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https://github.com/reactos/wine.git
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116 lines
2.9 KiB
C
116 lines
2.9 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 "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 "gdiplus.h"
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#include "gdiplus_private.h"
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#include "wine/debug.h"
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GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
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{
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if(hdc == NULL)
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return OutOfMemory;
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if(graphics == NULL)
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return InvalidParameter;
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*graphics = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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sizeof(GpGraphics));
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(*graphics)->hdc = hdc;
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(*graphics)->hwnd = NULL;
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return Ok;
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}
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GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
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{
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GpStatus ret;
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if((ret = GdipCreateFromHDC(GetDC(hwnd), graphics)) != Ok)
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return ret;
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(*graphics)->hwnd = hwnd;
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return Ok;
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}
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GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
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{
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if(!graphics) return InvalidParameter;
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if(graphics->hwnd)
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ReleaseDC(graphics->hwnd, graphics->hdc);
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HeapFree(GetProcessHeap(), 0, graphics);
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return Ok;
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}
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GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
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INT y1, INT x2, INT y2)
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{
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HGDIOBJ old_obj;
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if(!pen || !graphics)
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return InvalidParameter;
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old_obj = SelectObject(graphics->hdc, pen->gdipen);
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MoveToEx(graphics->hdc, x1, y1, NULL);
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LineTo(graphics->hdc, x2, y2);
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SelectObject(graphics->hdc, old_obj);
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return Ok;
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}
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GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
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INT y, INT width, INT height)
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{
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LOGBRUSH lb;
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HPEN hpen;
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HGDIOBJ old_obj;
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if(!pen || !graphics)
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return InvalidParameter;
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lb.lbStyle = BS_SOLID;
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lb.lbColor = pen->color;
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lb.lbHatch = 0;
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hpen = ExtCreatePen(PS_GEOMETRIC | PS_ENDCAP_SQUARE, (INT) pen->width,
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&lb, 0, NULL);
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old_obj = SelectObject(graphics->hdc, hpen);
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/* assume pen aligment centered */
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MoveToEx(graphics->hdc, x, y, NULL);
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LineTo(graphics->hdc, x+width, y);
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LineTo(graphics->hdc, x+width, y+height);
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LineTo(graphics->hdc, x, y+height);
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LineTo(graphics->hdc, x, y);
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SelectObject(graphics->hdc, old_obj);
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DeleteObject(hpen);
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return Ok;
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}
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