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

Module: wine Branch: master Commit: bf0f8c970fa8e068d187a162de2ce75fee94fa3e URL: http://source.winehq.org/git/wine.git/?a=commit;h=bf0f8c970fa8e068d187a162d… Author: Dmitry Timoshkov &lt;dmitry(a)baikal.ru&gt; Date: Fri Aug 31 16:20:26 2012 +0900 gdiplus: Add a test for scaling an image with world transform. --- dlls/gdiplus/tests/image.c | 91 ++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 91 insertions(+), 0 deletions(-) diff --git a/dlls/gdiplus/tests/image.c b/dlls/gdiplus/tests/image.c index 4e65b5e..45ac01f 100644 --- a/dlls/gdiplus/tests/image.c +++ b/dlls/gdiplus/tests/image.c @@ -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) { struct GdiplusStartupInput gdiplusStartupInput; @@ -3802,6 +3892,7 @@ START_TEST(image) GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL); + test_DrawImage_scale(); test_image_format(); test_DrawImage(); test_GdipDrawImagePointRect();