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gdiplus: Add some GdipTransformPoints tests for a device with different x/y resolutions.

This commit is contained in:
Dmitry Timoshkov 2012-07-25 14:52:46 +09:00 committed by Alexandre Julliard
parent e536a128f7
commit e6c69e9685
1 changed files with 100 additions and 1 deletions
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101
dlls/gdiplus/tests/graphics.c
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@ -26,7 +26,7 @@
#define expect(expected, got) ok((got) == (expected), "Expected %d, got %d\n", (INT)(expected), (INT)(got))
#define expectf_(expected, got, precision) ok(fabs((expected) - (got)) < (precision), "Expected %f, got %f\n", (expected), (got))
#define expectf(expected, got) expectf_((expected), (got), 0.0001)
#define expectf(expected, got) expectf_((expected), (got), 0.001)
#define TABLE_LEN (23)
static HWND hwnd;
@ -3398,6 +3398,104 @@ static void test_GdipMeasureString(void)
DeleteDC(hdc);
}
static GpGraphics *create_graphics(REAL res_x, REAL res_y, GpUnit unit, REAL scale)
{
GpStatus status;
union
{
GpBitmap *bitmap;
GpImage *image;
} u;
GpGraphics *graphics = NULL;
REAL res;
status = GdipCreateBitmapFromScan0(1, 1, 4, PixelFormat24bppRGB, NULL, &u.bitmap);
expect(Ok, status);
status = GdipBitmapSetResolution(u.bitmap, res_x, res_y);
expect(Ok, status);
status = GdipGetImageHorizontalResolution(u.image, &res);
expect(Ok, status);
expectf(res_x, res);
status = GdipGetImageVerticalResolution(u.image, &res);
expect(Ok, status);
expectf(res_y, res);
status = GdipGetImageGraphicsContext(u.image, &graphics);
expect(Ok, status);
status = GdipDisposeImage(u.image);
expect(Ok, status);
status = GdipGetDpiX(graphics, &res);
expect(Ok, status);
expectf(res_x, res);
status = GdipGetDpiY(graphics, &res);
expect(Ok, status);
expectf(res_y, res);
status = GdipSetPageUnit(graphics, unit);
expect(Ok, status);
status = GdipSetPageScale(graphics, scale);
expect(Ok, status);
return graphics;
}
static void test_transform(void)
{
static const struct test_data
{
REAL res_x, res_y, scale;
GpUnit unit;
GpPointF in[2], out[2];
} td[] =
{
{ 96.0, 96.0, 1.0, UnitPixel,
{ { 100.0, 0.0 }, { 0.0, 100.0 } }, { { 100.0, 0.0 }, { 0.0, 100.0 } } },
{ 96.0, 96.0, 1.0, UnitDisplay,
{ { 100.0, 0.0 }, { 0.0, 100.0 } }, { { 100.0, 0.0 }, { 0.0, 100.0 } } },
{ 96.0, 96.0, 1.0, UnitInch,
{ { 100.0, 0.0 }, { 0.0, 100.0 } }, { { 9600.0, 0.0 }, { 0.0, 9600.0 } } },
{ 123.0, 456.0, 1.0, UnitPoint,
{ { 100.0, 0.0 }, { 0.0, 100.0 } }, { { 170.833313, 0.0 }, { 0.0, 633.333252 } } },
{ 123.0, 456.0, 1.0, UnitDocument,
{ { 100.0, 0.0 }, { 0.0, 100.0 } }, { { 40.999996, 0.0 }, { 0.0, 151.999985 } } },
{ 123.0, 456.0, 2.0, UnitMillimeter,
{ { 100.0, 0.0 }, { 0.0, 100.0 } }, { { 968.503845, 0.0 }, { 0.0, 3590.550781 } } },
{ 196.0, 296.0, 1.0, UnitDisplay,
{ { 100.0, 0.0 }, { 0.0, 100.0 } }, { { 100.0, 0.0 }, { 0.0, 100.0 } } },
{ 196.0, 296.0, 1.0, UnitPixel,
{ { 100.0, 0.0 }, { 0.0, 100.0 } }, { { 100.0, 0.0 }, { 0.0, 100.0 } } },
};
GpStatus status;
GpGraphics *graphics;
GpPointF ptf[2];
UINT i;
for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
{
graphics = create_graphics(td[i].res_x, td[i].res_y, td[i].unit, td[i].scale);
ptf[0].X = td[i].in[0].X;
ptf[0].Y = td[i].in[0].Y;
ptf[1].X = td[i].in[1].X;
ptf[1].Y = td[i].in[1].Y;
status = GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, ptf, 2);
expect(Ok, status);
expectf(td[i].out[0].X, ptf[0].X);
expectf(td[i].out[0].Y, ptf[0].Y);
expectf(td[i].out[1].X, ptf[1].X);
expectf(td[i].out[1].Y, ptf[1].Y);
status = GdipTransformPoints(graphics, CoordinateSpaceWorld, CoordinateSpaceDevice, ptf, 2);
expect(Ok, status);
expectf(td[i].in[0].X, ptf[0].X);
expectf(td[i].in[0].Y, ptf[0].Y);
expectf(td[i].in[1].X, ptf[1].X);
expectf(td[i].in[1].Y, ptf[1].Y);
status = GdipDeleteGraphics(graphics);
expect(Ok, status);
}
}
START_TEST(graphics)
{
struct GdiplusStartupInput gdiplusStartupInput;
@ -3424,6 +3522,7 @@ START_TEST(graphics)
GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
test_transform();
test_GdipMeasureString();
test_constructor_destructor();
test_save_restore();