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Commit f0d2022b authored by Bartosz Kosiorek's avatar Bartosz Kosiorek Committed by Alexandre Julliard
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gdiplus/tests: Extend DrawImage scaling tests.

Changing the colour of the second pixel of the source bitmap clarifies the incorrect behaviour of PixelOffsetMode Half and HighQuality. This also provides better proof that PixelOffsetMode None and Fast are implemented correctly.
parent dedbbcd5
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Showing with 33 additions and 28 deletions
dlls/gdiplus/tests/image.c
View file @ f0d2022b
......@@ -4799,30 +4799,32 @@ 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 BYTE image_120_half[24] = { 0x40,0x40,0x40,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
static const BYTE image_150_half[24] = { 0x40,0x40,0x40,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 };
static const BYTE image_200_half[24] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x80,0x80,0x80,0x40,0x40,0x40,0x40,0x40,0x40 };
static const BYTE image_250_half[24] = { 0x40,0x40,0x40,0x40,0x40,0x40,0x80,0x80,0x80,0x80,0x80,0x80,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x40,0x40,0x40 };
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, 0xcc,0xcc,0xcc, 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, 0xcc,0xcc,0xcc, 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, 0xcc,0xcc,0xcc,
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, 0xcc,0xcc,0xcc,
0xcc,0xcc,0xcc, 0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40 };
static const BYTE image_200[24] = { 0x40,0x40,0x40, 0x40,0x40,0x40, 0x80,0x80,0x80, 0xcc,0xcc,0xcc,
0xcc,0xcc,0xcc, 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,
0xcc,0xcc,0xcc, 0xcc,0xcc,0xcc, 0xcc,0xcc,0xcc, 0x40,0x40,0x40 };
static const BYTE image_120_half[24] = { 0x40,0x40,0x40, 0x80,0x80,0x80, 0xcc,0xcc,0xcc, 0xcc,0xcc,0xcc,
0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40 };
static const BYTE image_150_half[24] = { 0x40,0x40,0x40, 0x80,0x80,0x80, 0x80,0x80,0x80, 0xcc,0xcc,0xcc,
0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40 };
static const BYTE image_180_half[24] = { 0x40,0x40,0x40, 0x40,0x40,0x40, 0x80,0x80,0x80, 0x80,0x80,0x80,
0xcc,0xcc,0xcc, 0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40 };
static const BYTE image_200_half[24] = { 0x40,0x40,0x40, 0x40,0x40,0x40, 0x80,0x80,0x80, 0x80,0x80,0x80,
0xcc,0xcc,0xcc, 0xcc,0xcc,0xcc, 0x40,0x40,0x40, 0x40,0x40,0x40 };
static const BYTE image_250_half[24] = { 0x40,0x40,0x40, 0x40,0x40,0x40, 0x80,0x80,0x80, 0x80,0x80,0x80,
0x80,0x80,0x80, 0xcc,0xcc,0xcc, 0xcc,0xcc,0xcc, 0x40,0x40,0x40 };
static const struct test_data
{
REAL scale_x;
......@@ -4851,7 +4853,7 @@ static void test_DrawImage_scale(void)
{ 1.0, PixelOffsetModeHalf, image_100 },
{ 1.2, PixelOffsetModeHalf, image_120_half, TRUE },
{ 1.5, PixelOffsetModeHalf, image_150_half, TRUE },
{ 1.8, PixelOffsetModeHalf, image_180 },
{ 1.8, PixelOffsetModeHalf, image_180_half, TRUE },
{ 2.0, PixelOffsetModeHalf, image_200_half, TRUE },
{ 2.5, PixelOffsetModeHalf, image_250_half, TRUE },
......@@ -4859,11 +4861,11 @@ static void test_DrawImage_scale(void)
{ 1.0, PixelOffsetModeHighQuality, image_100 },
{ 1.2, PixelOffsetModeHighQuality, image_120_half, TRUE },
{ 1.5, PixelOffsetModeHighQuality, image_150_half, TRUE },
{ 1.8, PixelOffsetModeHighQuality, image_180 },
{ 1.8, PixelOffsetModeHighQuality, image_180_half, TRUE },
{ 2.0, PixelOffsetModeHighQuality, image_200_half, TRUE },
{ 2.5, PixelOffsetModeHighQuality, image_250_half, TRUE },
};
BYTE src_2x1[6] = { 0x80,0x80,0x80,0x80,0x80,0x80 };
BYTE src_2x1[6] = { 0x80,0x80,0x80, 0xcc,0xcc,0xcc };
BYTE dst_8x1[24];
GpStatus status;
union
......@@ -4908,7 +4910,10 @@ static void test_DrawImage_scale(void)
todo_wine_if (!match && td[i].todo)
ok(match, "%d: data should match\n", i);
if (!match)
trace("%s\n", dbgstr_hexdata(dst_8x1, sizeof(dst_8x1)));
{
trace("Expected: %s\n", dbgstr_hexdata(td[i].image, sizeof(dst_8x1)));
trace("Got: %s\n", dbgstr_hexdata(dst_8x1, sizeof(dst_8x1)));
}
}
status = GdipDeleteGraphics(graphics);
......
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