reactos/wine
1
0
Fork 0
mirror of https://github.com/reactos/wine.git synced 2025-02-19 20:31:35 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

gdiplus: Implement GdipTransformPoints.

Browse Source
This commit is contained in:
Vincent Povirk 2009-03-23 16:34:12 -05:00 committed by Alexandre Julliard
parent 2bec5b14d2
commit 2af29ed916
2 changed files with 145 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
dlls/gdiplus/graphics.c
View File

@ -3592,15 +3592,71 @@ GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
GpCoordinateSpace src_space, GpPointF *points, INT count)
{
GpMatrix *matrix;
GpStatus stat;
REAL unitscale;
if(!graphics || !points || count <= 0)
return InvalidParameter;
if(graphics->busy)
return ObjectBusy;
FIXME("(%p, %d, %d, %p, %d): stub\n", graphics, dst_space, src_space, points, count);
TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
return NotImplemented;
if (src_space == dst_space) return Ok;
stat = GdipCreateMatrix(&matrix);
if (stat == Ok)
{
unitscale = convert_unit(graphics->hdc, graphics->unit);
if(graphics->unit != UnitDisplay)
unitscale *= graphics->scale;
/* transform from src_space to CoordinateSpacePage */
switch (src_space)
{
case CoordinateSpaceWorld:
GdipMultiplyMatrix(matrix, graphics->worldtrans, MatrixOrderAppend);
break;
case CoordinateSpacePage:
break;
case CoordinateSpaceDevice:
GdipScaleMatrix(matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
break;
}
/* transform from CoordinateSpacePage to dst_space */
switch (dst_space)
{
case CoordinateSpaceWorld:
{
GpMatrix *inverted_transform;
stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
if (stat == Ok)
{
stat = GdipInvertMatrix(inverted_transform);
if (stat == Ok)
GdipMultiplyMatrix(matrix, inverted_transform, MatrixOrderAppend);
GdipDeleteMatrix(inverted_transform);
}
break;
}
case CoordinateSpacePage:
break;
case CoordinateSpaceDevice:
GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
break;
}
if (stat == Ok)
stat = GdipTransformMatrixPoints(matrix, points, count);
GdipDeleteMatrix(matrix);
}
return stat;
}
GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,

94
dlls/gdiplus/tests/graphics.c
View File

@ -22,8 +22,10 @@
#include "gdiplus.h"
#include "wingdi.h"
#include "wine/test.h"
#include <math.h>
#define expect(expected, got) ok(got == expected, "Expected %.8x, got %.8x\n", expected, got)
#define expectf(expected, got) ok(fabs(expected - got) < 0.0001, "Expected %.2f, got %.2f\n", expected, got)
#define TABLE_LEN (23)
static void test_constructor_destructor(void)
@ -767,17 +769,11 @@ static void test_transformpoints(void)
GpStatus status;
GpGraphics *graphics = NULL;
HDC hdc = GetDC(0);
GpPointF ptf[5];
INT i;
GpPointF ptf[2];
status = GdipCreateFromHDC(hdc, &graphics);
expect(Ok, status);
for(i = 0; i < 5; i++){
ptf[i].X = 200.0 + i * 50.0 * (i % 2);
ptf[i].Y = 200.0 + i * 50.0 * !(i % 2);
}
/* NULL arguments */
status = GdipTransformPoints(NULL, CoordinateSpacePage, CoordinateSpaceWorld, NULL, 0);
expect(InvalidParameter, status);
@ -788,6 +784,90 @@ static void test_transformpoints(void)
status = GdipTransformPoints(graphics, CoordinateSpacePage, CoordinateSpaceWorld, ptf, -1);
expect(InvalidParameter, status);
ptf[0].X = 1.0;
ptf[0].Y = 0.0;
ptf[1].X = 0.0;
ptf[1].Y = 1.0;
status = GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, ptf, 2);
expect(Ok, status);
expectf(1.0, ptf[0].X);
expectf(0.0, ptf[0].Y);
expectf(0.0, ptf[1].X);
expectf(1.0, ptf[1].Y);
status = GdipTranslateWorldTransform(graphics, 5.0, 5.0, MatrixOrderAppend);
expect(Ok, status);
status = GdipSetPageUnit(graphics, UnitPixel);
expect(Ok, status);
status = GdipSetPageScale(graphics, 3.0);
expect(Ok, status);
ptf[0].X = 1.0;
ptf[0].Y = 0.0;
ptf[1].X = 0.0;
ptf[1].Y = 1.0;
status = GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, ptf, 2);
expect(Ok, status);
expectf(18.0, ptf[0].X);
expectf(15.0, ptf[0].Y);
expectf(15.0, ptf[1].X);
expectf(18.0, ptf[1].Y);
ptf[0].X = 1.0;
ptf[0].Y = 0.0;
ptf[1].X = 0.0;
ptf[1].Y = 1.0;
status = GdipTransformPoints(graphics, CoordinateSpacePage, CoordinateSpaceWorld, ptf, 2);
expect(Ok, status);
expectf(6.0, ptf[0].X);
expectf(5.0, ptf[0].Y);
expectf(5.0, ptf[1].X);
expectf(6.0, ptf[1].Y);
ptf[0].X = 1.0;
ptf[0].Y = 0.0;
ptf[1].X = 0.0;
ptf[1].Y = 1.0;
status = GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpacePage, ptf, 2);
expect(Ok, status);
expectf(3.0, ptf[0].X);
expectf(0.0, ptf[0].Y);
expectf(0.0, ptf[1].X);
expectf(3.0, ptf[1].Y);
ptf[0].X = 18.0;
ptf[0].Y = 15.0;
ptf[1].X = 15.0;
ptf[1].Y = 18.0;
status = GdipTransformPoints(graphics, CoordinateSpaceWorld, CoordinateSpaceDevice, ptf, 2);
expect(Ok, status);
expectf(1.0, ptf[0].X);
expectf(0.0, ptf[0].Y);
expectf(0.0, ptf[1].X);
expectf(1.0, ptf[1].Y);
ptf[0].X = 6.0;
ptf[0].Y = 5.0;
ptf[1].X = 5.0;
ptf[1].Y = 6.0;
status = GdipTransformPoints(graphics, CoordinateSpaceWorld, CoordinateSpacePage, ptf, 2);
expect(Ok, status);
expectf(1.0, ptf[0].X);
expectf(0.0, ptf[0].Y);
expectf(0.0, ptf[1].X);
expectf(1.0, ptf[1].Y);
ptf[0].X = 3.0;
ptf[0].Y = 0.0;
ptf[1].X = 0.0;
ptf[1].Y = 3.0;
status = GdipTransformPoints(graphics, CoordinateSpacePage, CoordinateSpaceDevice, ptf, 2);
expect(Ok, status);
expectf(1.0, ptf[0].X);
expectf(0.0, ptf[0].Y);
expectf(0.0, ptf[1].X);
expectf(1.0, ptf[1].Y);
GdipDeleteGraphics(graphics);
ReleaseDC(0, hdc);
}