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gdiplus: Add a test for scaling an image with world transform.

This commit is contained in:
Dmitry Timoshkov 2012-08-31 16:20:26 +09:00 committed by Alexandre Julliard
parent 182bd9dac4
commit bf0f8c970f
1 changed files with 91 additions and 0 deletions
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91
dlls/gdiplus/tests/image.c
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@ -3790,6 +3790,96 @@ static void test_image_format(void)
} }
} }
static void test_DrawImage_scale(void)
{
static const BYTE back_8x1[24] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
static const BYTE image_080[24] = { 0x40,0x40,0x40,0x80,0x80,0x80,0x40,0x40,0x40,0x40,0x40,0x40,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
static const BYTE image_100[24] = { 0x40,0x40,0x40,0x80,0x80,0x80,0x80,0x80,0x80,0x40,0x40,0x40,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
static const BYTE image_120[24] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x80,0x80,0x80,0x40,0x40,0x40,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
static const BYTE image_150[24] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x80,0x80,0x80,0x80,0x80,0x80,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
static const BYTE image_180[24] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
static const BYTE image_200[24] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
static const BYTE image_250[24] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x80,0x80,0x80,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x40,0x40,0x40 };
static const struct test_data
{
REAL scale_x;
const BYTE *image;
} td[] =
{
{ 0.8, image_080 },
{ 1.0, image_100 },
{ 1.2, image_120 },
{ 1.5, image_150 },
{ 1.8, image_180 },
{ 2.0, image_200 },
{ 2.5, image_250 }
};
BYTE src_2x1[6] = { 0x80,0x80,0x80,0x80,0x80,0x80 };
BYTE dst_8x1[24];
GpStatus status;
union
{
GpBitmap *bitmap;
GpImage *image;
} u1, u2;
GpGraphics *graphics;
GpMatrix *matrix;
int i, match;
status = GdipCreateBitmapFromScan0(2, 1, 4, PixelFormat24bppRGB, src_2x1, &u1.bitmap);
expect(Ok, status);
status = GdipBitmapSetResolution(u1.bitmap, 100.0, 100.0);
expect(Ok, status);
status = GdipCreateBitmapFromScan0(8, 1, 24, PixelFormat24bppRGB, dst_8x1, &u2.bitmap);
expect(Ok, status);
status = GdipBitmapSetResolution(u2.bitmap, 100.0, 100.0);
expect(Ok, status);
status = GdipGetImageGraphicsContext(u2.image, &graphics);
expect(Ok, status);
status = GdipSetInterpolationMode(graphics, InterpolationModeNearestNeighbor);
expect(Ok, status);
for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
{
status = GdipCreateMatrix2(td[i].scale_x, 0.0, 0.0, 1.0, 0.0, 0.0, &matrix);
expect(Ok, status);
status = GdipSetWorldTransform(graphics, matrix);
expect(Ok, status);
GdipDeleteMatrix(matrix);
memcpy(dst_8x1, back_8x1, sizeof(dst_8x1));
status = GdipDrawImageI(graphics, u1.image, 1, 0);
expect(Ok, status);
match = memcmp(dst_8x1, td[i].image, sizeof(dst_8x1)) == 0;
ok(match, "%d: data should match\n", i);
if (!match)
{
UINT i, size = sizeof(dst_8x1);
const BYTE *bits = dst_8x1;
for (i = 0; i < size; i++)
printf(" %02x", bits[i]);
printf("\n");
}
}
status = GdipDeleteGraphics(graphics);
expect(Ok, status);
status = GdipDisposeImage(u1.image);
expect(Ok, status);
status = GdipDisposeImage(u2.image);
expect(Ok, status);
}
START_TEST(image) START_TEST(image)
{ {
struct GdiplusStartupInput gdiplusStartupInput; struct GdiplusStartupInput gdiplusStartupInput;
@ -3802,6 +3892,7 @@ START_TEST(image)
GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL); GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
test_DrawImage_scale();
test_image_format(); test_image_format();
test_DrawImage(); test_DrawImage();
test_GdipDrawImagePointRect(); test_GdipDrawImagePointRect();