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2452 lines
68 KiB
C
2452 lines
68 KiB
C
/*
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* Copyright (C) 2007 Google (Evan Stade)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <math.h>
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#include <limits.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "wingdi.h"
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#include "wine/unicode.h"
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#define COBJMACROS
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#include "objbase.h"
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#include "ocidl.h"
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#include "olectl.h"
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#include "ole2.h"
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#include "winreg.h"
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#include "shlwapi.h"
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#include "gdiplus.h"
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#include "gdiplus_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
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/* looks-right constants */
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#define TENSION_CONST (0.3)
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#define ANCHOR_WIDTH (2.0)
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#define MAX_ITERS (50)
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/* Converts angle (in degrees) to x/y coordinates */
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static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
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{
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REAL radAngle, hypotenuse;
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radAngle = deg2rad(angle);
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hypotenuse = 50.0; /* arbitrary */
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*x = x_0 + cos(radAngle) * hypotenuse;
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*y = y_0 + sin(radAngle) * hypotenuse;
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}
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/* Converts from gdiplus path point type to gdi path point type. */
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static BYTE convert_path_point_type(BYTE type)
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{
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BYTE ret;
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switch(type & PathPointTypePathTypeMask){
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case PathPointTypeBezier:
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ret = PT_BEZIERTO;
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break;
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case PathPointTypeLine:
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ret = PT_LINETO;
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break;
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case PathPointTypeStart:
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ret = PT_MOVETO;
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break;
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default:
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ERR("Bad point type\n");
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return 0;
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}
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if(type & PathPointTypeCloseSubpath)
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ret |= PT_CLOSEFIGURE;
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return ret;
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}
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static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
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{
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HPEN gdipen;
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REAL width;
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INT save_state = SaveDC(graphics->hdc), i, numdashes;
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GpPointF pt[2];
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DWORD dash_array[MAX_DASHLEN];
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EndPath(graphics->hdc);
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if(pen->unit == UnitPixel){
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width = pen->width;
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}
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else{
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/* Get an estimate for the amount the pen width is affected by the world
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* transform. (This is similar to what some of the wine drivers do.) */
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pt[0].X = 0.0;
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pt[0].Y = 0.0;
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pt[1].X = 1.0;
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pt[1].Y = 1.0;
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GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
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width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
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(pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
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width *= pen->width * convert_unit(graphics->hdc,
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pen->unit == UnitWorld ? graphics->unit : pen->unit);
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}
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if(pen->dash == DashStyleCustom){
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numdashes = min(pen->numdashes, MAX_DASHLEN);
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TRACE("dashes are: ");
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for(i = 0; i < numdashes; i++){
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dash_array[i] = roundr(width * pen->dashes[i]);
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TRACE("%d, ", dash_array[i]);
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}
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TRACE("\n and the pen style is %x\n", pen->style);
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gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb,
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numdashes, dash_array);
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}
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else
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gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
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SelectObject(graphics->hdc, gdipen);
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return save_state;
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}
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static void restore_dc(GpGraphics *graphics, INT state)
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{
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DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
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RestoreDC(graphics->hdc, state);
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}
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/* This helper applies all the changes that the points listed in ptf need in
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* order to be drawn on the device context. In the end, this should include at
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* least:
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* -scaling by page unit
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* -applying world transformation
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* -converting from float to int
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* Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
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* SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
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* gdi to draw, and these functions would irreparably mess with line widths.
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*/
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static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
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GpPointF *ptf, INT count)
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{
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REAL unitscale;
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GpMatrix *matrix;
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int i;
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unitscale = convert_unit(graphics->hdc, graphics->unit);
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/* apply page scale */
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if(graphics->unit != UnitDisplay)
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unitscale *= graphics->scale;
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GdipCloneMatrix(graphics->worldtrans, &matrix);
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GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
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GdipTransformMatrixPoints(matrix, ptf, count);
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GdipDeleteMatrix(matrix);
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for(i = 0; i < count; i++){
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pti[i].x = roundr(ptf[i].X);
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pti[i].y = roundr(ptf[i].Y);
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}
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}
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/* GdipDrawPie/GdipFillPie helper function */
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static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
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REAL height, REAL startAngle, REAL sweepAngle)
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{
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GpPointF ptf[4];
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POINT pti[4];
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ptf[0].X = x;
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ptf[0].Y = y;
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ptf[1].X = x + width;
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ptf[1].Y = y + height;
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deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
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deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
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transform_and_round_points(graphics, pti, ptf, 4);
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Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
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pti[2].y, pti[3].x, pti[3].y);
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}
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/* GdipDrawCurve helper function.
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* Calculates Bezier points from cardinal spline points. */
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static void calc_curve_bezier(CONST GpPointF *pts, REAL tension, REAL *x1,
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REAL *y1, REAL *x2, REAL *y2)
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{
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REAL xdiff, ydiff;
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/* calculate tangent */
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xdiff = pts[2].X - pts[0].X;
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ydiff = pts[2].Y - pts[0].Y;
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/* apply tangent to get control points */
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*x1 = pts[1].X - tension * xdiff;
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*y1 = pts[1].Y - tension * ydiff;
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*x2 = pts[1].X + tension * xdiff;
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*y2 = pts[1].Y + tension * ydiff;
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}
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/* GdipDrawCurve helper function.
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* Calculates Bezier points from cardinal spline endpoints. */
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static void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
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REAL tension, REAL *x, REAL *y)
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{
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/* tangent at endpoints is the line from the endpoint to the adjacent point */
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*x = roundr(tension * (xadj - xend) + xend);
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*y = roundr(tension * (yadj - yend) + yend);
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}
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/* Draws the linecap the specified color and size on the hdc. The linecap is in
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* direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
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* should not be called on an hdc that has a path you care about. */
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static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
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const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
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{
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HGDIOBJ oldbrush = NULL, oldpen = NULL;
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GpMatrix *matrix = NULL;
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HBRUSH brush = NULL;
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HPEN pen = NULL;
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PointF ptf[4], *custptf = NULL;
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POINT pt[4], *custpt = NULL;
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BYTE *tp = NULL;
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REAL theta, dsmall, dbig, dx, dy = 0.0;
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INT i, count;
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LOGBRUSH lb;
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BOOL customstroke;
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if((x1 == x2) && (y1 == y2))
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return;
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theta = gdiplus_atan2(y2 - y1, x2 - x1);
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customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
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if(!customstroke){
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brush = CreateSolidBrush(color);
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lb.lbStyle = BS_SOLID;
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lb.lbColor = color;
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lb.lbHatch = 0;
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pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
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PS_JOIN_MITER, 1, &lb, 0,
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NULL);
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oldbrush = SelectObject(graphics->hdc, brush);
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oldpen = SelectObject(graphics->hdc, pen);
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}
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switch(cap){
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case LineCapFlat:
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break;
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case LineCapSquare:
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case LineCapSquareAnchor:
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case LineCapDiamondAnchor:
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size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
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if(cap == LineCapDiamondAnchor){
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dsmall = cos(theta + M_PI_2) * size;
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dbig = sin(theta + M_PI_2) * size;
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}
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else{
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dsmall = cos(theta + M_PI_4) * size;
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dbig = sin(theta + M_PI_4) * size;
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}
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ptf[0].X = x2 - dsmall;
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ptf[1].X = x2 + dbig;
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ptf[0].Y = y2 - dbig;
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ptf[3].Y = y2 + dsmall;
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ptf[1].Y = y2 - dsmall;
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ptf[2].Y = y2 + dbig;
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ptf[3].X = x2 - dbig;
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ptf[2].X = x2 + dsmall;
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transform_and_round_points(graphics, pt, ptf, 4);
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Polygon(graphics->hdc, pt, 4);
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break;
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case LineCapArrowAnchor:
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size = size * 4.0 / sqrt(3.0);
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dx = cos(M_PI / 6.0 + theta) * size;
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dy = sin(M_PI / 6.0 + theta) * size;
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ptf[0].X = x2 - dx;
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ptf[0].Y = y2 - dy;
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dx = cos(- M_PI / 6.0 + theta) * size;
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dy = sin(- M_PI / 6.0 + theta) * size;
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ptf[1].X = x2 - dx;
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ptf[1].Y = y2 - dy;
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ptf[2].X = x2;
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ptf[2].Y = y2;
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transform_and_round_points(graphics, pt, ptf, 3);
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Polygon(graphics->hdc, pt, 3);
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break;
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case LineCapRoundAnchor:
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dx = dy = ANCHOR_WIDTH * size / 2.0;
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ptf[0].X = x2 - dx;
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ptf[0].Y = y2 - dy;
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ptf[1].X = x2 + dx;
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ptf[1].Y = y2 + dy;
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transform_and_round_points(graphics, pt, ptf, 2);
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Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
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break;
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case LineCapTriangle:
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size = size / 2.0;
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dx = cos(M_PI_2 + theta) * size;
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dy = sin(M_PI_2 + theta) * size;
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ptf[0].X = x2 - dx;
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ptf[0].Y = y2 - dy;
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ptf[1].X = x2 + dx;
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ptf[1].Y = y2 + dy;
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dx = cos(theta) * size;
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dy = sin(theta) * size;
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ptf[2].X = x2 + dx;
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ptf[2].Y = y2 + dy;
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transform_and_round_points(graphics, pt, ptf, 3);
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Polygon(graphics->hdc, pt, 3);
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break;
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case LineCapRound:
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dx = dy = size / 2.0;
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ptf[0].X = x2 - dx;
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ptf[0].Y = y2 - dy;
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ptf[1].X = x2 + dx;
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ptf[1].Y = y2 + dy;
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dx = -cos(M_PI_2 + theta) * size;
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dy = -sin(M_PI_2 + theta) * size;
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ptf[2].X = x2 - dx;
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ptf[2].Y = y2 - dy;
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ptf[3].X = x2 + dx;
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ptf[3].Y = y2 + dy;
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transform_and_round_points(graphics, pt, ptf, 4);
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Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
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pt[2].y, pt[3].x, pt[3].y);
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break;
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case LineCapCustom:
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if(!custom)
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break;
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count = custom->pathdata.Count;
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custptf = GdipAlloc(count * sizeof(PointF));
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custpt = GdipAlloc(count * sizeof(POINT));
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tp = GdipAlloc(count);
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if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
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goto custend;
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memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
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GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
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GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
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MatrixOrderAppend);
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GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
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GdipTransformMatrixPoints(matrix, custptf, count);
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transform_and_round_points(graphics, custpt, custptf, count);
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for(i = 0; i < count; i++)
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tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
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if(custom->fill){
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BeginPath(graphics->hdc);
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PolyDraw(graphics->hdc, custpt, tp, count);
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EndPath(graphics->hdc);
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StrokeAndFillPath(graphics->hdc);
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}
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else
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PolyDraw(graphics->hdc, custpt, tp, count);
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custend:
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GdipFree(custptf);
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GdipFree(custpt);
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GdipFree(tp);
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GdipDeleteMatrix(matrix);
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break;
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default:
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break;
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}
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if(!customstroke){
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SelectObject(graphics->hdc, oldbrush);
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SelectObject(graphics->hdc, oldpen);
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DeleteObject(brush);
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DeleteObject(pen);
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}
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}
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/* Shortens the line by the given percent by changing x2, y2.
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* If percent is > 1.0 then the line will change direction.
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* If percent is negative it can lengthen the line. */
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static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
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{
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REAL dist, theta, dx, dy;
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|
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if((y1 == *y2) && (x1 == *x2))
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return;
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dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
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theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
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dx = cos(theta) * dist;
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dy = sin(theta) * dist;
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*x2 = *x2 + dx;
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*y2 = *y2 + dy;
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}
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|
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/* Shortens the line by the given amount by changing x2, y2.
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* If the amount is greater than the distance, the line will become length 0.
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* If the amount is negative, it can lengthen the line. */
|
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static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
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|
{
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REAL dx, dy, percent;
|
|
|
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dx = *x2 - x1;
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dy = *y2 - y1;
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if(dx == 0 && dy == 0)
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return;
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|
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percent = amt / sqrt(dx * dx + dy * dy);
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if(percent >= 1.0){
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*x2 = x1;
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*y2 = y1;
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return;
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}
|
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|
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shorten_line_percent(x1, y1, x2, y2, percent);
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}
|
|
|
|
/* Draws lines between the given points, and if caps is true then draws an endcap
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* at the end of the last line. */
|
|
static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
|
|
GDIPCONST GpPointF * pt, INT count, BOOL caps)
|
|
{
|
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POINT *pti = NULL;
|
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GpPointF *ptcopy = NULL;
|
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GpStatus status = GenericError;
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|
|
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if(!count)
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return Ok;
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|
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pti = GdipAlloc(count * sizeof(POINT));
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ptcopy = GdipAlloc(count * sizeof(GpPointF));
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|
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if(!pti || !ptcopy){
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status = OutOfMemory;
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goto end;
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}
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|
|
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memcpy(ptcopy, pt, count * sizeof(GpPointF));
|
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|
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if(caps){
|
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if(pen->endcap == LineCapArrowAnchor)
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shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
|
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&ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
|
|
else if((pen->endcap == LineCapCustom) && pen->customend)
|
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shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
|
|
&ptcopy[count-1].X, &ptcopy[count-1].Y,
|
|
pen->customend->inset * pen->width);
|
|
|
|
if(pen->startcap == LineCapArrowAnchor)
|
|
shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
|
|
&ptcopy[0].X, &ptcopy[0].Y, pen->width);
|
|
else if((pen->startcap == LineCapCustom) && pen->customstart)
|
|
shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
|
|
&ptcopy[0].X, &ptcopy[0].Y,
|
|
pen->customstart->inset * pen->width);
|
|
|
|
draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
|
|
pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
|
|
draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
|
|
pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
|
|
}
|
|
|
|
transform_and_round_points(graphics, pti, ptcopy, count);
|
|
|
|
if(Polyline(graphics->hdc, pti, count))
|
|
status = Ok;
|
|
|
|
end:
|
|
GdipFree(pti);
|
|
GdipFree(ptcopy);
|
|
|
|
return status;
|
|
}
|
|
|
|
/* Conducts a linear search to find the bezier points that will back off
|
|
* the endpoint of the curve by a distance of amt. Linear search works
|
|
* better than binary in this case because there are multiple solutions,
|
|
* and binary searches often find a bad one. I don't think this is what
|
|
* Windows does but short of rendering the bezier without GDI's help it's
|
|
* the best we can do. If rev then work from the start of the passed points
|
|
* instead of the end. */
|
|
static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
|
|
{
|
|
GpPointF origpt[4];
|
|
REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
|
|
INT i, first = 0, second = 1, third = 2, fourth = 3;
|
|
|
|
if(rev){
|
|
first = 3;
|
|
second = 2;
|
|
third = 1;
|
|
fourth = 0;
|
|
}
|
|
|
|
origx = pt[fourth].X;
|
|
origy = pt[fourth].Y;
|
|
memcpy(origpt, pt, sizeof(GpPointF) * 4);
|
|
|
|
for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
|
|
/* reset bezier points to original values */
|
|
memcpy(pt, origpt, sizeof(GpPointF) * 4);
|
|
/* Perform magic on bezier points. Order is important here.*/
|
|
shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
|
|
shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
|
|
shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
|
|
shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
|
|
shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
|
|
shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
|
|
|
|
dx = pt[fourth].X - origx;
|
|
dy = pt[fourth].Y - origy;
|
|
|
|
diff = sqrt(dx * dx + dy * dy);
|
|
percent += 0.0005 * amt;
|
|
}
|
|
}
|
|
|
|
/* Draws bezier curves between given points, and if caps is true then draws an
|
|
* endcap at the end of the last line. */
|
|
static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
|
|
GDIPCONST GpPointF * pt, INT count, BOOL caps)
|
|
{
|
|
POINT *pti;
|
|
GpPointF *ptcopy;
|
|
GpStatus status = GenericError;
|
|
|
|
if(!count)
|
|
return Ok;
|
|
|
|
pti = GdipAlloc(count * sizeof(POINT));
|
|
ptcopy = GdipAlloc(count * sizeof(GpPointF));
|
|
|
|
if(!pti || !ptcopy){
|
|
status = OutOfMemory;
|
|
goto end;
|
|
}
|
|
|
|
memcpy(ptcopy, pt, count * sizeof(GpPointF));
|
|
|
|
if(caps){
|
|
if(pen->endcap == LineCapArrowAnchor)
|
|
shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
|
|
else if((pen->endcap == LineCapCustom) && pen->customend)
|
|
shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
|
|
FALSE);
|
|
|
|
if(pen->startcap == LineCapArrowAnchor)
|
|
shorten_bezier_amt(ptcopy, pen->width, TRUE);
|
|
else if((pen->startcap == LineCapCustom) && pen->customstart)
|
|
shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
|
|
|
|
/* the direction of the line cap is parallel to the direction at the
|
|
* end of the bezier (which, if it has been shortened, is not the same
|
|
* as the direction from pt[count-2] to pt[count-1]) */
|
|
draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
|
|
pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
|
|
pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
|
|
pt[count - 1].X, pt[count - 1].Y);
|
|
|
|
draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
|
|
pt[0].X - (ptcopy[0].X - ptcopy[1].X),
|
|
pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
|
|
}
|
|
|
|
transform_and_round_points(graphics, pti, ptcopy, count);
|
|
|
|
PolyBezier(graphics->hdc, pti, count);
|
|
|
|
status = Ok;
|
|
|
|
end:
|
|
GdipFree(pti);
|
|
GdipFree(ptcopy);
|
|
|
|
return status;
|
|
}
|
|
|
|
/* Draws a combination of bezier curves and lines between points. */
|
|
static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
|
|
GDIPCONST BYTE * types, INT count, BOOL caps)
|
|
{
|
|
POINT *pti = GdipAlloc(count * sizeof(POINT));
|
|
BYTE *tp = GdipAlloc(count);
|
|
GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
|
|
INT i, j;
|
|
GpStatus status = GenericError;
|
|
|
|
if(!count){
|
|
status = Ok;
|
|
goto end;
|
|
}
|
|
if(!pti || !tp || !ptcopy){
|
|
status = OutOfMemory;
|
|
goto end;
|
|
}
|
|
|
|
for(i = 1; i < count; i++){
|
|
if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
|
|
if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
|
|
|| !(types[i + 1] & PathPointTypeBezier)){
|
|
ERR("Bad bezier points\n");
|
|
goto end;
|
|
}
|
|
i += 2;
|
|
}
|
|
}
|
|
|
|
memcpy(ptcopy, pt, count * sizeof(GpPointF));
|
|
|
|
/* If we are drawing caps, go through the points and adjust them accordingly,
|
|
* and draw the caps. */
|
|
if(caps){
|
|
switch(types[count - 1] & PathPointTypePathTypeMask){
|
|
case PathPointTypeBezier:
|
|
if(pen->endcap == LineCapArrowAnchor)
|
|
shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
|
|
else if((pen->endcap == LineCapCustom) && pen->customend)
|
|
shorten_bezier_amt(&ptcopy[count - 4],
|
|
pen->width * pen->customend->inset, FALSE);
|
|
|
|
draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
|
|
pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
|
|
pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
|
|
pt[count - 1].X, pt[count - 1].Y);
|
|
|
|
break;
|
|
case PathPointTypeLine:
|
|
if(pen->endcap == LineCapArrowAnchor)
|
|
shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
|
|
&ptcopy[count - 1].X, &ptcopy[count - 1].Y,
|
|
pen->width);
|
|
else if((pen->endcap == LineCapCustom) && pen->customend)
|
|
shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
|
|
&ptcopy[count - 1].X, &ptcopy[count - 1].Y,
|
|
pen->customend->inset * pen->width);
|
|
|
|
draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
|
|
pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
|
|
pt[count - 1].Y);
|
|
|
|
break;
|
|
default:
|
|
ERR("Bad path last point\n");
|
|
goto end;
|
|
}
|
|
|
|
/* Find start of points */
|
|
for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
|
|
== PathPointTypeStart); j++);
|
|
|
|
switch(types[j] & PathPointTypePathTypeMask){
|
|
case PathPointTypeBezier:
|
|
if(pen->startcap == LineCapArrowAnchor)
|
|
shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
|
|
else if((pen->startcap == LineCapCustom) && pen->customstart)
|
|
shorten_bezier_amt(&ptcopy[j - 1],
|
|
pen->width * pen->customstart->inset, TRUE);
|
|
|
|
draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
|
|
pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
|
|
pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
|
|
pt[j - 1].X, pt[j - 1].Y);
|
|
|
|
break;
|
|
case PathPointTypeLine:
|
|
if(pen->startcap == LineCapArrowAnchor)
|
|
shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
|
|
&ptcopy[j - 1].X, &ptcopy[j - 1].Y,
|
|
pen->width);
|
|
else if((pen->startcap == LineCapCustom) && pen->customstart)
|
|
shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
|
|
&ptcopy[j - 1].X, &ptcopy[j - 1].Y,
|
|
pen->customstart->inset * pen->width);
|
|
|
|
draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
|
|
pt[j].X, pt[j].Y, pt[j - 1].X,
|
|
pt[j - 1].Y);
|
|
|
|
break;
|
|
default:
|
|
ERR("Bad path points\n");
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
transform_and_round_points(graphics, pti, ptcopy, count);
|
|
|
|
for(i = 0; i < count; i++){
|
|
tp[i] = convert_path_point_type(types[i]);
|
|
}
|
|
|
|
PolyDraw(graphics->hdc, pti, tp, count);
|
|
|
|
status = Ok;
|
|
|
|
end:
|
|
GdipFree(pti);
|
|
GdipFree(ptcopy);
|
|
GdipFree(tp);
|
|
|
|
return status;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
|
|
{
|
|
return GdipCreateFromHDC2(hdc, NULL, graphics);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
|
|
{
|
|
GpStatus retval;
|
|
|
|
if(hDevice != NULL) {
|
|
FIXME("Don't know how to hadle parameter hDevice\n");
|
|
return NotImplemented;
|
|
}
|
|
|
|
if(hdc == NULL)
|
|
return OutOfMemory;
|
|
|
|
if(graphics == NULL)
|
|
return InvalidParameter;
|
|
|
|
*graphics = GdipAlloc(sizeof(GpGraphics));
|
|
if(!*graphics) return OutOfMemory;
|
|
|
|
if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
|
|
GdipFree(*graphics);
|
|
return retval;
|
|
}
|
|
|
|
(*graphics)->hdc = hdc;
|
|
(*graphics)->hwnd = NULL;
|
|
(*graphics)->smoothing = SmoothingModeDefault;
|
|
(*graphics)->compqual = CompositingQualityDefault;
|
|
(*graphics)->interpolation = InterpolationModeDefault;
|
|
(*graphics)->pixeloffset = PixelOffsetModeDefault;
|
|
(*graphics)->compmode = CompositingModeSourceOver;
|
|
(*graphics)->unit = UnitDisplay;
|
|
(*graphics)->scale = 1.0;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
|
|
{
|
|
GpStatus ret;
|
|
|
|
if((ret = GdipCreateFromHDC(GetDC(hwnd), graphics)) != Ok)
|
|
return ret;
|
|
|
|
(*graphics)->hwnd = hwnd;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
/* FIXME: no icm handling */
|
|
GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
|
|
{
|
|
return GdipCreateFromHWND(hwnd, graphics);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
|
|
GpMetafile **metafile)
|
|
{
|
|
static int calls;
|
|
|
|
if(!hemf || !metafile)
|
|
return InvalidParameter;
|
|
|
|
if(!(calls++))
|
|
FIXME("not implemented\n");
|
|
|
|
return NotImplemented;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
|
|
GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
|
|
{
|
|
IStream *stream = NULL;
|
|
UINT read;
|
|
BYTE* copy;
|
|
HENHMETAFILE hemf;
|
|
GpStatus retval = GenericError;
|
|
|
|
if(!hwmf || !metafile || !placeable)
|
|
return InvalidParameter;
|
|
|
|
*metafile = NULL;
|
|
read = GetMetaFileBitsEx(hwmf, 0, NULL);
|
|
if(!read)
|
|
return GenericError;
|
|
copy = GdipAlloc(read);
|
|
GetMetaFileBitsEx(hwmf, read, copy);
|
|
|
|
hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
|
|
GdipFree(copy);
|
|
|
|
read = GetEnhMetaFileBits(hemf, 0, NULL);
|
|
copy = GdipAlloc(read);
|
|
GetEnhMetaFileBits(hemf, read, copy);
|
|
DeleteEnhMetaFile(hemf);
|
|
|
|
if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
|
|
ERR("could not make stream\n");
|
|
GdipFree(copy);
|
|
goto err;
|
|
}
|
|
|
|
*metafile = GdipAlloc(sizeof(GpMetafile));
|
|
if(!*metafile){
|
|
retval = OutOfMemory;
|
|
goto err;
|
|
}
|
|
|
|
if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
|
|
(LPVOID*) &((*metafile)->image.picture)) != S_OK)
|
|
goto err;
|
|
|
|
|
|
(*metafile)->image.type = ImageTypeMetafile;
|
|
(*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
|
|
(*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Right) / ((REAL) placeable->Inch);
|
|
(*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
|
|
- placeable->BoundingBox.Left)) / ((REAL) placeable->Inch);
|
|
(*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
|
|
- placeable->BoundingBox.Top)) / ((REAL) placeable->Inch);
|
|
(*metafile)->unit = UnitInch;
|
|
|
|
if(delete)
|
|
DeleteMetaFile(hwmf);
|
|
|
|
return Ok;
|
|
|
|
err:
|
|
GdipFree(*metafile);
|
|
IStream_Release(stream);
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
|
|
UINT access, IStream **stream)
|
|
{
|
|
DWORD dwMode;
|
|
HRESULT ret;
|
|
|
|
if(!stream || !filename)
|
|
return InvalidParameter;
|
|
|
|
if(access & GENERIC_WRITE)
|
|
dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
|
|
else if(access & GENERIC_READ)
|
|
dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
|
|
else
|
|
return InvalidParameter;
|
|
|
|
ret = SHCreateStreamOnFileW(filename, dwMode, stream);
|
|
|
|
return hresult_to_status(ret);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
|
|
{
|
|
if(!graphics) return InvalidParameter;
|
|
if(graphics->hwnd)
|
|
ReleaseDC(graphics->hwnd, graphics->hdc);
|
|
|
|
GdipDeleteMatrix(graphics->worldtrans);
|
|
HeapFree(GetProcessHeap(), 0, graphics);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
|
|
REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
|
|
{
|
|
INT save_state, num_pts;
|
|
GpPointF points[MAX_ARC_PTS];
|
|
GpStatus retval;
|
|
|
|
if(!graphics || !pen || width <= 0 || height <= 0)
|
|
return InvalidParameter;
|
|
|
|
num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
|
|
retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
|
|
INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
|
|
{
|
|
return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
|
|
REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
|
|
{
|
|
INT save_state;
|
|
GpPointF pt[4];
|
|
GpStatus retval;
|
|
|
|
if(!graphics || !pen)
|
|
return InvalidParameter;
|
|
|
|
pt[0].X = x1;
|
|
pt[0].Y = y1;
|
|
pt[1].X = x2;
|
|
pt[1].Y = y2;
|
|
pt[2].X = x3;
|
|
pt[2].Y = y3;
|
|
pt[3].X = x4;
|
|
pt[3].Y = y4;
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
|
|
retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
|
|
INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
|
|
{
|
|
INT save_state;
|
|
GpPointF pt[4];
|
|
GpStatus retval;
|
|
|
|
if(!graphics || !pen)
|
|
return InvalidParameter;
|
|
|
|
pt[0].X = x1;
|
|
pt[0].Y = y1;
|
|
pt[1].X = x2;
|
|
pt[1].Y = y2;
|
|
pt[2].X = x3;
|
|
pt[2].Y = y3;
|
|
pt[3].X = x4;
|
|
pt[3].Y = y4;
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
|
|
retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
|
|
GDIPCONST GpPointF *points, INT count)
|
|
{
|
|
return GdipDrawCurve2(graphics,pen,points,count,1.0);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
|
|
GDIPCONST GpPoint *points, INT count)
|
|
{
|
|
GpPointF *pointsF;
|
|
GpStatus ret;
|
|
INT i;
|
|
|
|
if(!points || count <= 0)
|
|
return InvalidParameter;
|
|
|
|
pointsF = GdipAlloc(sizeof(GpPointF)*count);
|
|
if(!pointsF)
|
|
return OutOfMemory;
|
|
|
|
for(i = 0; i < count; i++){
|
|
pointsF[i].X = (REAL)points[i].X;
|
|
pointsF[i].Y = (REAL)points[i].Y;
|
|
}
|
|
|
|
ret = GdipDrawCurve(graphics,pen,pointsF,count);
|
|
GdipFree(pointsF);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* Approximates cardinal spline with Bezier curves. */
|
|
GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
|
|
GDIPCONST GpPointF *points, INT count, REAL tension)
|
|
{
|
|
/* PolyBezier expects count*3-2 points. */
|
|
INT i, len_pt = count*3-2, save_state;
|
|
GpPointF *pt;
|
|
REAL x1, x2, y1, y2;
|
|
GpStatus retval;
|
|
|
|
if(!graphics || !pen)
|
|
return InvalidParameter;
|
|
|
|
pt = GdipAlloc(len_pt * sizeof(GpPointF));
|
|
tension = tension * TENSION_CONST;
|
|
|
|
calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
|
|
tension, &x1, &y1);
|
|
|
|
pt[0].X = points[0].X;
|
|
pt[0].Y = points[0].Y;
|
|
pt[1].X = x1;
|
|
pt[1].Y = y1;
|
|
|
|
for(i = 0; i < count-2; i++){
|
|
calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
|
|
|
|
pt[3*i+2].X = x1;
|
|
pt[3*i+2].Y = y1;
|
|
pt[3*i+3].X = points[i+1].X;
|
|
pt[3*i+3].Y = points[i+1].Y;
|
|
pt[3*i+4].X = x2;
|
|
pt[3*i+4].Y = y2;
|
|
}
|
|
|
|
calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
|
|
points[count-2].X, points[count-2].Y, tension, &x1, &y1);
|
|
|
|
pt[len_pt-2].X = x1;
|
|
pt[len_pt-2].Y = y1;
|
|
pt[len_pt-1].X = points[count-1].X;
|
|
pt[len_pt-1].Y = points[count-1].Y;
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
|
|
retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
|
|
|
|
GdipFree(pt);
|
|
restore_dc(graphics, save_state);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
|
|
GDIPCONST GpPoint *points, INT count, REAL tension)
|
|
{
|
|
GpPointF *pointsF;
|
|
GpStatus ret;
|
|
INT i;
|
|
|
|
if(!points || count <= 0)
|
|
return InvalidParameter;
|
|
|
|
pointsF = GdipAlloc(sizeof(GpPointF)*count);
|
|
if(!pointsF)
|
|
return OutOfMemory;
|
|
|
|
for(i = 0; i < count; i++){
|
|
pointsF[i].X = (REAL)points[i].X;
|
|
pointsF[i].Y = (REAL)points[i].Y;
|
|
}
|
|
|
|
ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
|
|
GdipFree(pointsF);
|
|
|
|
return ret;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
|
|
{
|
|
/* IPicture::Render uses LONG coords */
|
|
return GdipDrawImageI(graphics,image,roundr(x),roundr(y));
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
|
|
INT y)
|
|
{
|
|
UINT width, height, srcw, srch;
|
|
|
|
if(!graphics || !image)
|
|
return InvalidParameter;
|
|
|
|
GdipGetImageWidth(image, &width);
|
|
GdipGetImageHeight(image, &height);
|
|
|
|
srcw = width * (((REAL) INCH_HIMETRIC) /
|
|
((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX)));
|
|
srch = height * (((REAL) INCH_HIMETRIC) /
|
|
((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY)));
|
|
|
|
if(image->type != ImageTypeMetafile){
|
|
y += height;
|
|
height *= -1;
|
|
}
|
|
|
|
IPicture_Render(image->picture, graphics->hdc, x, y, width, height,
|
|
0, 0, srcw, srch, NULL);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
/* FIXME: partially implemented (only works for rectangular parallelograms) */
|
|
GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
|
|
GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
|
|
REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
|
|
DrawImageAbort callback, VOID * callbackData)
|
|
{
|
|
GpPointF ptf[3];
|
|
POINT pti[3];
|
|
REAL dx, dy;
|
|
|
|
TRACE("%p %p %p %d %f %f %f %f %d %p %p %p\n", graphics, image, points, count,
|
|
srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
|
|
callbackData);
|
|
|
|
if(!graphics || !image || !points || count != 3)
|
|
return InvalidParameter;
|
|
|
|
if(srcUnit == UnitInch)
|
|
dx = dy = (REAL) INCH_HIMETRIC;
|
|
else if(srcUnit == UnitPixel){
|
|
dx = ((REAL) INCH_HIMETRIC) /
|
|
((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
|
|
dy = ((REAL) INCH_HIMETRIC) /
|
|
((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
|
|
}
|
|
else
|
|
return NotImplemented;
|
|
|
|
memcpy(ptf, points, 3 * sizeof(GpPointF));
|
|
transform_and_round_points(graphics, pti, ptf, 3);
|
|
|
|
/* IPicture renders bitmaps with the y-axis reversed
|
|
* FIXME: flipping for unknown image type might not be correct. */
|
|
if(image->type != ImageTypeMetafile){
|
|
INT temp;
|
|
temp = pti[0].y;
|
|
pti[0].y = pti[2].y;
|
|
pti[2].y = temp;
|
|
}
|
|
|
|
if(IPicture_Render(image->picture, graphics->hdc,
|
|
pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
|
|
srcx * dx, srcy * dy,
|
|
srcwidth * dx, srcheight * dy,
|
|
NULL) != S_OK){
|
|
if(callback)
|
|
callback(callbackData);
|
|
return GenericError;
|
|
}
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
|
|
GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
|
|
INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
|
|
DrawImageAbort callback, VOID * callbackData)
|
|
{
|
|
GpPointF pointsF[3];
|
|
INT i;
|
|
|
|
if(!points || count!=3)
|
|
return InvalidParameter;
|
|
|
|
for(i = 0; i < count; i++){
|
|
pointsF[i].X = (REAL)points[i].X;
|
|
pointsF[i].Y = (REAL)points[i].Y;
|
|
}
|
|
|
|
return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
|
|
(REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
|
|
callback, callbackData);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
|
|
REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
|
|
REAL srcwidth, REAL srcheight, GpUnit srcUnit,
|
|
GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
|
|
VOID * callbackData)
|
|
{
|
|
GpPointF points[3];
|
|
|
|
points[0].X = dstx;
|
|
points[0].Y = dsty;
|
|
points[1].X = dstx + dstwidth;
|
|
points[1].Y = dsty;
|
|
points[2].X = dstx;
|
|
points[2].Y = dsty + dstheight;
|
|
|
|
return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
|
|
srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
|
|
INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
|
|
INT srcwidth, INT srcheight, GpUnit srcUnit,
|
|
GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
|
|
VOID * callbackData)
|
|
{
|
|
GpPointF points[3];
|
|
|
|
points[0].X = dstx;
|
|
points[0].Y = dsty;
|
|
points[1].X = dstx + dstwidth;
|
|
points[1].Y = dsty;
|
|
points[2].X = dstx;
|
|
points[2].Y = dsty + dstheight;
|
|
|
|
return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
|
|
srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
|
|
REAL x, REAL y, REAL width, REAL height)
|
|
{
|
|
RectF bounds;
|
|
GpUnit unit;
|
|
GpStatus ret;
|
|
|
|
if(!graphics || !image)
|
|
return InvalidParameter;
|
|
|
|
ret = GdipGetImageBounds(image, &bounds, &unit);
|
|
if(ret != Ok)
|
|
return ret;
|
|
|
|
return GdipDrawImageRectRect(graphics, image, x, y, width, height,
|
|
bounds.X, bounds.Y, bounds.Width, bounds.Height,
|
|
unit, NULL, NULL, NULL);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
|
|
INT x, INT y, INT width, INT height)
|
|
{
|
|
return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
|
|
REAL y1, REAL x2, REAL y2)
|
|
{
|
|
INT save_state;
|
|
GpPointF pt[2];
|
|
GpStatus retval;
|
|
|
|
if(!pen || !graphics)
|
|
return InvalidParameter;
|
|
|
|
pt[0].X = x1;
|
|
pt[0].Y = y1;
|
|
pt[1].X = x2;
|
|
pt[1].Y = y2;
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
|
|
retval = draw_polyline(graphics, pen, pt, 2, TRUE);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
|
|
INT y1, INT x2, INT y2)
|
|
{
|
|
INT save_state;
|
|
GpPointF pt[2];
|
|
GpStatus retval;
|
|
|
|
if(!pen || !graphics)
|
|
return InvalidParameter;
|
|
|
|
pt[0].X = (REAL)x1;
|
|
pt[0].Y = (REAL)y1;
|
|
pt[1].X = (REAL)x2;
|
|
pt[1].Y = (REAL)y2;
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
|
|
retval = draw_polyline(graphics, pen, pt, 2, TRUE);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
|
|
GpPointF *points, INT count)
|
|
{
|
|
INT save_state;
|
|
GpStatus retval;
|
|
|
|
if(!pen || !graphics || (count < 2))
|
|
return InvalidParameter;
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
|
|
retval = draw_polyline(graphics, pen, points, count, TRUE);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
|
|
GpPoint *points, INT count)
|
|
{
|
|
INT save_state;
|
|
GpStatus retval;
|
|
GpPointF *ptf = NULL;
|
|
int i;
|
|
|
|
if(!pen || !graphics || (count < 2))
|
|
return InvalidParameter;
|
|
|
|
ptf = GdipAlloc(count * sizeof(GpPointF));
|
|
if(!ptf) return OutOfMemory;
|
|
|
|
for(i = 0; i < count; i ++){
|
|
ptf[i].X = (REAL) points[i].X;
|
|
ptf[i].Y = (REAL) points[i].Y;
|
|
}
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
|
|
retval = draw_polyline(graphics, pen, ptf, count, TRUE);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
GdipFree(ptf);
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
|
|
{
|
|
INT save_state;
|
|
GpStatus retval;
|
|
|
|
if(!pen || !graphics)
|
|
return InvalidParameter;
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
|
|
retval = draw_poly(graphics, pen, path->pathdata.Points,
|
|
path->pathdata.Types, path->pathdata.Count, TRUE);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
|
|
REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
|
|
{
|
|
INT save_state;
|
|
|
|
if(!graphics || !pen)
|
|
return InvalidParameter;
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
|
|
|
|
draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
|
|
INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
|
|
{
|
|
return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
|
|
REAL y, REAL width, REAL height)
|
|
{
|
|
INT save_state;
|
|
GpPointF ptf[4];
|
|
POINT pti[4];
|
|
|
|
if(!pen || !graphics)
|
|
return InvalidParameter;
|
|
|
|
ptf[0].X = x;
|
|
ptf[0].Y = y;
|
|
ptf[1].X = x + width;
|
|
ptf[1].Y = y;
|
|
ptf[2].X = x + width;
|
|
ptf[2].Y = y + height;
|
|
ptf[3].X = x;
|
|
ptf[3].Y = y + height;
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
|
|
|
|
transform_and_round_points(graphics, pti, ptf, 4);
|
|
Polygon(graphics->hdc, pti, 4);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
|
|
INT y, INT width, INT height)
|
|
{
|
|
return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
|
|
GDIPCONST GpRectF* rects, INT count)
|
|
{
|
|
GpPointF *ptf;
|
|
POINT *pti;
|
|
INT save_state, i;
|
|
|
|
if(!graphics || !pen || !rects || count < 1)
|
|
return InvalidParameter;
|
|
|
|
ptf = GdipAlloc(4 * count * sizeof(GpPointF));
|
|
pti = GdipAlloc(4 * count * sizeof(POINT));
|
|
|
|
if(!ptf || !pti){
|
|
GdipFree(ptf);
|
|
GdipFree(pti);
|
|
return OutOfMemory;
|
|
}
|
|
|
|
for(i = 0; i < count; i++){
|
|
ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
|
|
ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
|
|
ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
|
|
ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
|
|
}
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
|
|
|
|
transform_and_round_points(graphics, pti, ptf, 4 * count);
|
|
|
|
for(i = 0; i < count; i++)
|
|
Polygon(graphics->hdc, &pti[4 * i], 4);
|
|
|
|
restore_dc(graphics, save_state);
|
|
|
|
GdipFree(ptf);
|
|
GdipFree(pti);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
|
|
GDIPCONST GpRect* rects, INT count)
|
|
{
|
|
GpRectF *rectsF;
|
|
GpStatus ret;
|
|
INT i;
|
|
|
|
if(!rects || count<=0)
|
|
return InvalidParameter;
|
|
|
|
rectsF = GdipAlloc(sizeof(GpRectF) * count);
|
|
if(!rectsF)
|
|
return OutOfMemory;
|
|
|
|
for(i = 0;i < count;i++){
|
|
rectsF[i].X = (REAL)rects[i].X;
|
|
rectsF[i].Y = (REAL)rects[i].Y;
|
|
rectsF[i].Width = (REAL)rects[i].Width;
|
|
rectsF[i].Height = (REAL)rects[i].Height;
|
|
}
|
|
|
|
ret = GdipDrawRectangles(graphics, pen, rectsF, count);
|
|
GdipFree(rectsF);
|
|
|
|
return ret;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
|
|
INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
|
|
GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
|
|
{
|
|
HRGN rgn = NULL;
|
|
HFONT gdifont;
|
|
LOGFONTW lfw;
|
|
TEXTMETRICW textmet;
|
|
GpPointF pt[2], rectcpy[4];
|
|
POINT corners[4];
|
|
WCHAR* stringdup;
|
|
REAL angle, ang_cos, ang_sin, rel_width, rel_height;
|
|
INT sum = 0, height = 0, fit, fitcpy, save_state, i, j, lret, nwidth,
|
|
nheight;
|
|
SIZE size;
|
|
RECT drawcoord;
|
|
|
|
if(!graphics || !string || !font || !brush || !rect)
|
|
return InvalidParameter;
|
|
|
|
if((brush->bt != BrushTypeSolidColor)){
|
|
FIXME("not implemented for given parameters\n");
|
|
return NotImplemented;
|
|
}
|
|
|
|
if(format)
|
|
TRACE("may be ignoring some format flags: attr %x\n", format->attr);
|
|
|
|
if(length == -1) length = lstrlenW(string);
|
|
|
|
stringdup = GdipAlloc(length * sizeof(WCHAR));
|
|
if(!stringdup) return OutOfMemory;
|
|
|
|
save_state = SaveDC(graphics->hdc);
|
|
SetBkMode(graphics->hdc, TRANSPARENT);
|
|
SetTextColor(graphics->hdc, brush->lb.lbColor);
|
|
|
|
rectcpy[3].X = rectcpy[0].X = rect->X;
|
|
rectcpy[1].Y = rectcpy[0].Y = rect->Y;
|
|
rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
|
|
rectcpy[3].Y = rectcpy[2].Y = rect->Y + rect->Height;
|
|
transform_and_round_points(graphics, corners, rectcpy, 4);
|
|
|
|
if(roundr(rect->Width) == 0 && roundr(rect->Height) == 0){
|
|
rel_width = rel_height = 1.0;
|
|
nwidth = nheight = INT_MAX;
|
|
}
|
|
else{
|
|
rel_width = sqrt((corners[1].x - corners[0].x) * (corners[1].x - corners[0].x) +
|
|
(corners[1].y - corners[0].y) * (corners[1].y - corners[0].y))
|
|
/ rect->Width;
|
|
rel_height = sqrt((corners[2].x - corners[1].x) * (corners[2].x - corners[1].x) +
|
|
(corners[2].y - corners[1].y) * (corners[2].y - corners[1].y))
|
|
/ rect->Height;
|
|
|
|
nwidth = roundr(rel_width * rect->Width);
|
|
nheight = roundr(rel_height * rect->Height);
|
|
rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
|
|
SelectClipRgn(graphics->hdc, rgn);
|
|
}
|
|
|
|
/* Use gdi to find the font, then perform transformations on it (height,
|
|
* width, angle). */
|
|
SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
|
|
GetTextMetricsW(graphics->hdc, &textmet);
|
|
lfw = font->lfw;
|
|
|
|
lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
|
|
lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
|
|
|
|
pt[0].X = 0.0;
|
|
pt[0].Y = 0.0;
|
|
pt[1].X = 1.0;
|
|
pt[1].Y = 0.0;
|
|
GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
|
|
angle = gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
|
|
ang_cos = cos(angle);
|
|
ang_sin = sin(angle);
|
|
lfw.lfEscapement = lfw.lfOrientation = -roundr((angle / M_PI) * 1800.0);
|
|
|
|
gdifont = CreateFontIndirectW(&lfw);
|
|
DeleteObject(SelectObject(graphics->hdc, CreateFontIndirectW(&lfw)));
|
|
|
|
for(i = 0, j = 0; i < length; i++){
|
|
if(!isprintW(string[i]) && (string[i] != '\n'))
|
|
continue;
|
|
|
|
stringdup[j] = string[i];
|
|
j++;
|
|
}
|
|
|
|
stringdup[j] = 0;
|
|
length = j;
|
|
|
|
while(sum < length){
|
|
drawcoord.left = corners[0].x + roundr(ang_sin * (REAL) height);
|
|
drawcoord.top = corners[0].y + roundr(ang_cos * (REAL) height);
|
|
|
|
GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
|
|
nwidth, &fit, NULL, &size);
|
|
fitcpy = fit;
|
|
|
|
if(fit == 0){
|
|
DrawTextW(graphics->hdc, stringdup + sum, 1, &drawcoord, DT_NOCLIP |
|
|
DT_EXPANDTABS);
|
|
break;
|
|
}
|
|
|
|
for(lret = 0; lret < fit; lret++)
|
|
if(*(stringdup + sum + lret) == '\n')
|
|
break;
|
|
|
|
/* Line break code (may look strange, but it imitates windows). */
|
|
if(lret < fit)
|
|
fit = lret; /* this is not an off-by-one error */
|
|
else if(fit < (length - sum)){
|
|
if(*(stringdup + sum + fit) == ' ')
|
|
while(*(stringdup + sum + fit) == ' ')
|
|
fit++;
|
|
else
|
|
while(*(stringdup + sum + fit - 1) != ' '){
|
|
fit--;
|
|
|
|
if(*(stringdup + sum + fit) == '\t')
|
|
break;
|
|
|
|
if(fit == 0){
|
|
fit = fitcpy;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
DrawTextW(graphics->hdc, stringdup + sum, min(length - sum, fit),
|
|
&drawcoord, DT_NOCLIP | DT_EXPANDTABS);
|
|
|
|
sum += fit + (lret < fitcpy ? 1 : 0);
|
|
height += size.cy;
|
|
|
|
if(height > nheight)
|
|
break;
|
|
|
|
/* Stop if this was a linewrap (but not if it was a linebreak). */
|
|
if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
|
|
break;
|
|
}
|
|
|
|
GdipFree(stringdup);
|
|
DeleteObject(rgn);
|
|
DeleteObject(gdifont);
|
|
|
|
RestoreDC(graphics->hdc, save_state);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
|
|
REAL y, REAL width, REAL height)
|
|
{
|
|
INT save_state;
|
|
GpPointF ptf[2];
|
|
POINT pti[2];
|
|
|
|
if(!graphics || !brush)
|
|
return InvalidParameter;
|
|
|
|
ptf[0].X = x;
|
|
ptf[0].Y = y;
|
|
ptf[1].X = x + width;
|
|
ptf[1].Y = y + height;
|
|
|
|
save_state = SaveDC(graphics->hdc);
|
|
EndPath(graphics->hdc);
|
|
SelectObject(graphics->hdc, brush->gdibrush);
|
|
SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
|
|
|
|
transform_and_round_points(graphics, pti, ptf, 2);
|
|
|
|
Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
|
|
|
|
RestoreDC(graphics->hdc, save_state);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
|
|
INT y, INT width, INT height)
|
|
{
|
|
return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
|
|
{
|
|
INT save_state;
|
|
GpStatus retval;
|
|
|
|
if(!brush || !graphics || !path)
|
|
return InvalidParameter;
|
|
|
|
save_state = SaveDC(graphics->hdc);
|
|
EndPath(graphics->hdc);
|
|
SelectObject(graphics->hdc, brush->gdibrush);
|
|
SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
|
|
: WINDING));
|
|
|
|
BeginPath(graphics->hdc);
|
|
retval = draw_poly(graphics, NULL, path->pathdata.Points,
|
|
path->pathdata.Types, path->pathdata.Count, FALSE);
|
|
|
|
if(retval != Ok)
|
|
goto end;
|
|
|
|
EndPath(graphics->hdc);
|
|
FillPath(graphics->hdc);
|
|
|
|
retval = Ok;
|
|
|
|
end:
|
|
RestoreDC(graphics->hdc, save_state);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
|
|
REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
|
|
{
|
|
INT save_state;
|
|
|
|
if(!graphics || !brush)
|
|
return InvalidParameter;
|
|
|
|
save_state = SaveDC(graphics->hdc);
|
|
EndPath(graphics->hdc);
|
|
SelectObject(graphics->hdc, brush->gdibrush);
|
|
SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
|
|
|
|
draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
|
|
|
|
RestoreDC(graphics->hdc, save_state);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
|
|
INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
|
|
{
|
|
return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
|
|
GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
|
|
{
|
|
INT save_state;
|
|
GpPointF *ptf = NULL;
|
|
POINT *pti = NULL;
|
|
GpStatus retval = Ok;
|
|
|
|
if(!graphics || !brush || !points || !count)
|
|
return InvalidParameter;
|
|
|
|
ptf = GdipAlloc(count * sizeof(GpPointF));
|
|
pti = GdipAlloc(count * sizeof(POINT));
|
|
if(!ptf || !pti){
|
|
retval = OutOfMemory;
|
|
goto end;
|
|
}
|
|
|
|
memcpy(ptf, points, count * sizeof(GpPointF));
|
|
|
|
save_state = SaveDC(graphics->hdc);
|
|
EndPath(graphics->hdc);
|
|
SelectObject(graphics->hdc, brush->gdibrush);
|
|
SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
|
|
SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
|
|
: WINDING));
|
|
|
|
transform_and_round_points(graphics, pti, ptf, count);
|
|
Polygon(graphics->hdc, pti, count);
|
|
|
|
RestoreDC(graphics->hdc, save_state);
|
|
|
|
end:
|
|
GdipFree(ptf);
|
|
GdipFree(pti);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
|
|
GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
|
|
{
|
|
INT save_state, i;
|
|
GpPointF *ptf = NULL;
|
|
POINT *pti = NULL;
|
|
GpStatus retval = Ok;
|
|
|
|
if(!graphics || !brush || !points || !count)
|
|
return InvalidParameter;
|
|
|
|
ptf = GdipAlloc(count * sizeof(GpPointF));
|
|
pti = GdipAlloc(count * sizeof(POINT));
|
|
if(!ptf || !pti){
|
|
retval = OutOfMemory;
|
|
goto end;
|
|
}
|
|
|
|
for(i = 0; i < count; i ++){
|
|
ptf[i].X = (REAL) points[i].X;
|
|
ptf[i].Y = (REAL) points[i].Y;
|
|
}
|
|
|
|
save_state = SaveDC(graphics->hdc);
|
|
EndPath(graphics->hdc);
|
|
SelectObject(graphics->hdc, brush->gdibrush);
|
|
SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
|
|
SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
|
|
: WINDING));
|
|
|
|
transform_and_round_points(graphics, pti, ptf, count);
|
|
Polygon(graphics->hdc, pti, count);
|
|
|
|
RestoreDC(graphics->hdc, save_state);
|
|
|
|
end:
|
|
GdipFree(ptf);
|
|
GdipFree(pti);
|
|
|
|
return retval;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
|
|
REAL x, REAL y, REAL width, REAL height)
|
|
{
|
|
INT save_state;
|
|
GpPointF ptf[4];
|
|
POINT pti[4];
|
|
|
|
if(!graphics || !brush)
|
|
return InvalidParameter;
|
|
|
|
ptf[0].X = x;
|
|
ptf[0].Y = y;
|
|
ptf[1].X = x + width;
|
|
ptf[1].Y = y;
|
|
ptf[2].X = x + width;
|
|
ptf[2].Y = y + height;
|
|
ptf[3].X = x;
|
|
ptf[3].Y = y + height;
|
|
|
|
save_state = SaveDC(graphics->hdc);
|
|
EndPath(graphics->hdc);
|
|
SelectObject(graphics->hdc, brush->gdibrush);
|
|
SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
|
|
|
|
transform_and_round_points(graphics, pti, ptf, 4);
|
|
|
|
Polygon(graphics->hdc, pti, 4);
|
|
|
|
RestoreDC(graphics->hdc, save_state);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
|
|
INT x, INT y, INT width, INT height)
|
|
{
|
|
INT save_state;
|
|
GpPointF ptf[4];
|
|
POINT pti[4];
|
|
|
|
if(!graphics || !brush)
|
|
return InvalidParameter;
|
|
|
|
ptf[0].X = x;
|
|
ptf[0].Y = y;
|
|
ptf[1].X = x + width;
|
|
ptf[1].Y = y;
|
|
ptf[2].X = x + width;
|
|
ptf[2].Y = y + height;
|
|
ptf[3].X = x;
|
|
ptf[3].Y = y + height;
|
|
|
|
save_state = SaveDC(graphics->hdc);
|
|
EndPath(graphics->hdc);
|
|
SelectObject(graphics->hdc, brush->gdibrush);
|
|
SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
|
|
|
|
transform_and_round_points(graphics, pti, ptf, 4);
|
|
|
|
Polygon(graphics->hdc, pti, 4);
|
|
|
|
RestoreDC(graphics->hdc, save_state);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
|
|
INT count)
|
|
{
|
|
GpStatus ret;
|
|
INT i;
|
|
|
|
if(!rects)
|
|
return InvalidParameter;
|
|
|
|
for(i = 0; i < count; i++){
|
|
ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
|
|
if(ret != Ok) return ret;
|
|
}
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
|
|
INT count)
|
|
{
|
|
GpRectF *rectsF;
|
|
GpStatus ret;
|
|
INT i;
|
|
|
|
if(!rects || count <= 0)
|
|
return InvalidParameter;
|
|
|
|
rectsF = GdipAlloc(sizeof(GpRectF)*count);
|
|
if(!rectsF)
|
|
return OutOfMemory;
|
|
|
|
for(i = 0; i < count; i++){
|
|
rectsF[i].X = (REAL)rects[i].X;
|
|
rectsF[i].Y = (REAL)rects[i].Y;
|
|
rectsF[i].X = (REAL)rects[i].Width;
|
|
rectsF[i].Height = (REAL)rects[i].Height;
|
|
}
|
|
|
|
ret = GdipFillRectangles(graphics,brush,rectsF,count);
|
|
GdipFree(rectsF);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* FIXME: Compositing mode is not used anywhere except the getter/setter. */
|
|
GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
|
|
CompositingMode *mode)
|
|
{
|
|
if(!graphics || !mode)
|
|
return InvalidParameter;
|
|
|
|
*mode = graphics->compmode;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
/* FIXME: Compositing quality is not used anywhere except the getter/setter. */
|
|
GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
|
|
CompositingQuality *quality)
|
|
{
|
|
if(!graphics || !quality)
|
|
return InvalidParameter;
|
|
|
|
*quality = graphics->compqual;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
/* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
|
|
GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
|
|
InterpolationMode *mode)
|
|
{
|
|
if(!graphics || !mode)
|
|
return InvalidParameter;
|
|
|
|
*mode = graphics->interpolation;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
|
|
{
|
|
if(!graphics || !scale)
|
|
return InvalidParameter;
|
|
|
|
*scale = graphics->scale;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
|
|
{
|
|
if(!graphics || !unit)
|
|
return InvalidParameter;
|
|
|
|
*unit = graphics->unit;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
/* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
|
|
GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
|
|
*mode)
|
|
{
|
|
if(!graphics || !mode)
|
|
return InvalidParameter;
|
|
|
|
*mode = graphics->pixeloffset;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
/* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
|
|
GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
|
|
{
|
|
if(!graphics || !mode)
|
|
return InvalidParameter;
|
|
|
|
*mode = graphics->smoothing;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
/* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
|
|
GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
|
|
TextRenderingHint *hint)
|
|
{
|
|
if(!graphics || !hint)
|
|
return InvalidParameter;
|
|
|
|
*hint = graphics->texthint;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
|
|
{
|
|
if(!graphics || !matrix)
|
|
return InvalidParameter;
|
|
|
|
*matrix = *graphics->worldtrans;
|
|
return Ok;
|
|
}
|
|
|
|
/* Find the smallest rectangle that bounds the text when it is printed in rect
|
|
* according to the format options listed in format. If rect has 0 width and
|
|
* height, then just find the smallest rectangle that bounds the text when it's
|
|
* printed at location (rect->X, rect-Y). */
|
|
GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
|
|
GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
|
|
GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
|
|
INT *codepointsfitted, INT *linesfilled)
|
|
{
|
|
HFONT oldfont;
|
|
WCHAR* stringdup;
|
|
INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth,
|
|
nheight;
|
|
SIZE size;
|
|
|
|
if(!graphics || !string || !font || !rect)
|
|
return InvalidParameter;
|
|
|
|
if(codepointsfitted || linesfilled){
|
|
FIXME("not implemented for given parameters\n");
|
|
return NotImplemented;
|
|
}
|
|
|
|
if(format)
|
|
TRACE("may be ignoring some format flags: attr %x\n", format->attr);
|
|
|
|
if(length == -1) length = lstrlenW(string);
|
|
|
|
stringdup = GdipAlloc(length * sizeof(WCHAR));
|
|
if(!stringdup) return OutOfMemory;
|
|
|
|
oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
|
|
nwidth = roundr(rect->Width);
|
|
nheight = roundr(rect->Height);
|
|
|
|
if((nwidth == 0) && (nheight == 0))
|
|
nwidth = nheight = INT_MAX;
|
|
|
|
for(i = 0, j = 0; i < length; i++){
|
|
if(!isprintW(string[i]) && (string[i] != '\n'))
|
|
continue;
|
|
|
|
stringdup[j] = string[i];
|
|
j++;
|
|
}
|
|
|
|
stringdup[j] = 0;
|
|
length = j;
|
|
|
|
while(sum < length){
|
|
GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
|
|
nwidth, &fit, NULL, &size);
|
|
fitcpy = fit;
|
|
|
|
if(fit == 0)
|
|
break;
|
|
|
|
for(lret = 0; lret < fit; lret++)
|
|
if(*(stringdup + sum + lret) == '\n')
|
|
break;
|
|
|
|
/* Line break code (may look strange, but it imitates windows). */
|
|
if(lret < fit)
|
|
fit = lret; /* this is not an off-by-one error */
|
|
else if(fit < (length - sum)){
|
|
if(*(stringdup + sum + fit) == ' ')
|
|
while(*(stringdup + sum + fit) == ' ')
|
|
fit++;
|
|
else
|
|
while(*(stringdup + sum + fit - 1) != ' '){
|
|
fit--;
|
|
|
|
if(*(stringdup + sum + fit) == '\t')
|
|
break;
|
|
|
|
if(fit == 0){
|
|
fit = fitcpy;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
GetTextExtentExPointW(graphics->hdc, stringdup + sum, fit,
|
|
nwidth, &j, NULL, &size);
|
|
|
|
sum += fit + (lret < fitcpy ? 1 : 0);
|
|
height += size.cy;
|
|
max_width = max(max_width, size.cx);
|
|
|
|
if(height > nheight)
|
|
break;
|
|
|
|
/* Stop if this was a linewrap (but not if it was a linebreak). */
|
|
if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
|
|
break;
|
|
}
|
|
|
|
bounds->X = rect->X;
|
|
bounds->Y = rect->Y;
|
|
bounds->Width = (REAL)max_width;
|
|
bounds->Height = (REAL) min(height, nheight);
|
|
|
|
GdipFree(stringdup);
|
|
DeleteObject(SelectObject(graphics->hdc, oldfont));
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
|
|
{
|
|
static int calls;
|
|
|
|
if(!graphics)
|
|
return InvalidParameter;
|
|
|
|
if(!(calls++))
|
|
FIXME("graphics state not implemented\n");
|
|
|
|
return NotImplemented;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
|
|
GpMatrixOrder order)
|
|
{
|
|
if(!graphics)
|
|
return InvalidParameter;
|
|
|
|
return GdipRotateMatrix(graphics->worldtrans, angle, order);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
|
|
{
|
|
static int calls;
|
|
|
|
if(!graphics || !state)
|
|
return InvalidParameter;
|
|
|
|
if(!(calls++))
|
|
FIXME("graphics state not implemented\n");
|
|
|
|
return NotImplemented;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
|
|
REAL sy, GpMatrixOrder order)
|
|
{
|
|
if(!graphics)
|
|
return InvalidParameter;
|
|
|
|
return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
|
|
CompositingMode mode)
|
|
{
|
|
if(!graphics)
|
|
return InvalidParameter;
|
|
|
|
graphics->compmode = mode;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
|
|
CompositingQuality quality)
|
|
{
|
|
if(!graphics)
|
|
return InvalidParameter;
|
|
|
|
graphics->compqual = quality;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
|
|
InterpolationMode mode)
|
|
{
|
|
if(!graphics)
|
|
return InvalidParameter;
|
|
|
|
graphics->interpolation = mode;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
|
|
{
|
|
if(!graphics || (scale <= 0.0))
|
|
return InvalidParameter;
|
|
|
|
graphics->scale = scale;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
|
|
{
|
|
if(!graphics || (unit == UnitWorld))
|
|
return InvalidParameter;
|
|
|
|
graphics->unit = unit;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
|
|
mode)
|
|
{
|
|
if(!graphics)
|
|
return InvalidParameter;
|
|
|
|
graphics->pixeloffset = mode;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
|
|
{
|
|
if(!graphics)
|
|
return InvalidParameter;
|
|
|
|
graphics->smoothing = mode;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
|
|
TextRenderingHint hint)
|
|
{
|
|
if(!graphics)
|
|
return InvalidParameter;
|
|
|
|
graphics->texthint = hint;
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
|
|
{
|
|
if(!graphics || !matrix)
|
|
return InvalidParameter;
|
|
|
|
GdipDeleteMatrix(graphics->worldtrans);
|
|
return GdipCloneMatrix(matrix, &graphics->worldtrans);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
|
|
REAL dy, GpMatrixOrder order)
|
|
{
|
|
if(!graphics)
|
|
return InvalidParameter;
|
|
|
|
return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
|
|
INT width, INT height,
|
|
CombineMode combineMode)
|
|
{
|
|
static int calls;
|
|
|
|
if(!(calls++))
|
|
FIXME("not implemented\n");
|
|
|
|
return NotImplemented;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
|
|
CombineMode combineMode)
|
|
{
|
|
static int calls;
|
|
|
|
if(!(calls++))
|
|
FIXME("not implemented\n");
|
|
|
|
return NotImplemented;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpGraphics *graphics,
|
|
UINT limitDpi)
|
|
{
|
|
static int calls;
|
|
|
|
if(!(calls++))
|
|
FIXME("not implemented\n");
|
|
|
|
return NotImplemented;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
|
|
INT count)
|
|
{
|
|
INT save_state;
|
|
POINT *pti;
|
|
|
|
if(!graphics || !pen || count<=0)
|
|
return InvalidParameter;
|
|
|
|
pti = GdipAlloc(sizeof(POINT) * count);
|
|
|
|
save_state = prepare_dc(graphics, pen);
|
|
SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
|
|
|
|
transform_and_round_points(graphics, pti, (GpPointF*)points, count);
|
|
Polygon(graphics->hdc, pti, count);
|
|
|
|
restore_dc(graphics, save_state);
|
|
GdipFree(pti);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
|
|
INT count)
|
|
{
|
|
GpStatus ret;
|
|
GpPointF *ptf;
|
|
INT i;
|
|
|
|
if(count<=0) return InvalidParameter;
|
|
ptf = GdipAlloc(sizeof(GpPointF) * count);
|
|
|
|
for(i = 0;i < count; i++){
|
|
ptf[i].X = (REAL)points[i].X;
|
|
ptf[i].Y = (REAL)points[i].Y;
|
|
}
|
|
|
|
ret = GdipDrawPolygon(graphics,pen,ptf,count);
|
|
GdipFree(ptf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
|
|
{
|
|
if(!graphics || !dpi)
|
|
return InvalidParameter;
|
|
|
|
*dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
|
|
{
|
|
if(!graphics || !dpi)
|
|
return InvalidParameter;
|
|
|
|
*dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
|
|
|
|
return Ok;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
|
|
GpMatrixOrder order)
|
|
{
|
|
GpMatrix m;
|
|
GpStatus ret;
|
|
|
|
if(!graphics || !matrix)
|
|
return InvalidParameter;
|
|
|
|
m = *(graphics->worldtrans);
|
|
|
|
ret = GdipMultiplyMatrix(&m, (GpMatrix*)matrix, order);
|
|
if(ret == Ok)
|
|
*(graphics->worldtrans) = m;
|
|
|
|
return ret;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
|
|
{
|
|
FIXME("(%p, %p): stub\n", graphics, hdc);
|
|
|
|
*hdc = NULL;
|
|
return NotImplemented;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
|
|
{
|
|
FIXME("(%p, %p): stub\n", graphics, hdc);
|
|
|
|
return NotImplemented;
|
|
}
|
|
|
|
GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
|
|
{
|
|
FIXME("(%p, %p): stub\n", graphics, region);
|
|
|
|
return NotImplemented;
|
|
}
|