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Commit d18fd2c1 authored by Bartosz Kosiorek's avatar Bartosz Kosiorek Committed by Alexandre Julliard
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gdiplus/tests: Add tests of InterpolationMode Bilinear for GdipDrawImagePointsRect.

parent 54b875c0
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Showing with 78 additions and 34 deletions
dlls/gdiplus/tests/image.c
View file @ d18fd2c1
......@@ -4797,6 +4797,23 @@ static void test_image_format(void)
}
}
INT compare_with_precision(const BYTE *ptr1, const BYTE *ptr2, size_t num, INT precision)
{
if (ptr1 == NULL || ptr2 == NULL)
return ptr1 < ptr2 ? -1 : 1;
for (size_t i = 0; i < num; i++)
{
INT byte1 = ptr1[i];
INT byte2 = ptr2[i];
if ((byte1 < byte2 - precision) || (byte1 > byte2 + precision))
return byte1 < byte2 ? -1 : 1;
}
return 0;
}
static void test_DrawImage_scale(void)
{
static const BYTE back_8x1[24] = { 0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40,
......@@ -4825,45 +4842,71 @@ static void test_DrawImage_scale(void)
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 BYTE image_bil_080[24] = { 0x40,0x40,0x40, 0x93,0x93,0x93, 0x86,0x86,0x86, 0x40,0x40,0x40,
0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40 };
static const BYTE image_bil_120[24] = { 0x40,0x40,0x40, 0x40,0x40,0x40, 0xb2,0xb2,0xb2, 0x87,0x87,0x87,
0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40 };
static const BYTE image_bil_150[24] = { 0x40,0x40,0x40, 0x40,0x40,0x40, 0x99,0x99,0x99, 0xcc,0xcc,0xcc,
0x6f,0x6f,0x6f, 0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40 };
static const BYTE image_bil_180[24] = { 0x40,0x40,0x40, 0x40,0x40,0x40, 0x88,0x88,0x88, 0xb2,0xb2,0xb2,
0xad,0xad,0xad, 0x5f,0x5f,0x5f, 0x40,0x40,0x40, 0x40,0x40,0x40 };
static const BYTE image_bil_200[24] = { 0x40,0x40,0x40, 0x40,0x40,0x40, 0x80,0x80,0x80, 0xa6,0xa6,0xa6,
0xcc,0xcc,0xcc, 0x86,0x86,0x86, 0x40,0x40,0x40, 0x40,0x40,0x40 };
static const BYTE image_bil_250[24] = { 0x40,0x40,0x40, 0x40,0x40,0x40, 0x40,0x40,0x40, 0x8f,0x8f,0x8f,
0xad,0xad,0xad, 0xcc,0xcc,0xcc, 0x95,0x95,0x95, 0x5c,0x5c,0x5c };
static const struct test_data
{
REAL scale_x;
InterpolationMode interpolation_mode;
PixelOffsetMode pixel_offset_mode;
const BYTE *image;
INT precision;
BOOL todo;
} td[] =
{
{ 0.8, PixelOffsetModeNone, image_080 }, /* 0 */
{ 1.0, PixelOffsetModeNone, image_100 },
{ 1.2, PixelOffsetModeNone, image_120 },
{ 1.5, PixelOffsetModeNone, image_150 },
{ 1.8, PixelOffsetModeNone, image_180 },
{ 2.0, PixelOffsetModeNone, image_200 },
{ 2.5, PixelOffsetModeNone, image_250 },
{ 0.8, PixelOffsetModeHighSpeed, image_080 }, /* 7 */
{ 1.0, PixelOffsetModeHighSpeed, image_100 },
{ 1.2, PixelOffsetModeHighSpeed, image_120 },
{ 1.5, PixelOffsetModeHighSpeed, image_150 },
{ 1.8, PixelOffsetModeHighSpeed, image_180 },
{ 2.0, PixelOffsetModeHighSpeed, image_200 },
{ 2.5, PixelOffsetModeHighSpeed, image_250 },
{ 0.8, PixelOffsetModeHalf, image_080 }, /* 14 */
{ 1.0, PixelOffsetModeHalf, image_100 },
{ 1.2, PixelOffsetModeHalf, image_120_half, TRUE },
{ 1.5, PixelOffsetModeHalf, image_150_half, TRUE },
{ 1.8, PixelOffsetModeHalf, image_180_half, TRUE },
{ 2.0, PixelOffsetModeHalf, image_200_half, TRUE },
{ 2.5, PixelOffsetModeHalf, image_250_half, TRUE },
{ 0.8, PixelOffsetModeHighQuality, image_080 }, /* 21 */
{ 1.0, PixelOffsetModeHighQuality, image_100 },
{ 1.2, PixelOffsetModeHighQuality, image_120_half, TRUE },
{ 1.5, PixelOffsetModeHighQuality, image_150_half, TRUE },
{ 1.8, PixelOffsetModeHighQuality, image_180_half, TRUE },
{ 2.0, PixelOffsetModeHighQuality, image_200_half, TRUE },
{ 2.5, PixelOffsetModeHighQuality, image_250_half, TRUE },
{ 0.8, InterpolationModeNearestNeighbor, PixelOffsetModeNone, image_080 }, /* 0 */
{ 1.0, InterpolationModeNearestNeighbor, PixelOffsetModeNone, image_100 },
{ 1.2, InterpolationModeNearestNeighbor, PixelOffsetModeNone, image_120 },
{ 1.5, InterpolationModeNearestNeighbor, PixelOffsetModeNone, image_150 },
{ 1.8, InterpolationModeNearestNeighbor, PixelOffsetModeNone, image_180 },
{ 2.0, InterpolationModeNearestNeighbor, PixelOffsetModeNone, image_200 },
{ 2.5, InterpolationModeNearestNeighbor, PixelOffsetModeNone, image_250 },
{ 0.8, InterpolationModeNearestNeighbor, PixelOffsetModeHighSpeed, image_080 }, /* 7 */
{ 1.0, InterpolationModeNearestNeighbor, PixelOffsetModeHighSpeed, image_100 },
{ 1.2, InterpolationModeNearestNeighbor, PixelOffsetModeHighSpeed, image_120 },
{ 1.5, InterpolationModeNearestNeighbor, PixelOffsetModeHighSpeed, image_150 },
{ 1.8, InterpolationModeNearestNeighbor, PixelOffsetModeHighSpeed, image_180 },
{ 2.0, InterpolationModeNearestNeighbor, PixelOffsetModeHighSpeed, image_200 },
{ 2.5, InterpolationModeNearestNeighbor, PixelOffsetModeHighSpeed, image_250 },
/* TODO There are missing left pixel column of image*/
{ 0.8, InterpolationModeNearestNeighbor, PixelOffsetModeHalf, image_080 }, /* 14 */
{ 1.0, InterpolationModeNearestNeighbor, PixelOffsetModeHalf, image_100 },
{ 1.2, InterpolationModeNearestNeighbor, PixelOffsetModeHalf, image_120_half, 0, TRUE },
{ 1.5, InterpolationModeNearestNeighbor, PixelOffsetModeHalf, image_150_half, 0, TRUE },
{ 1.8, InterpolationModeNearestNeighbor, PixelOffsetModeHalf, image_180_half, 0, TRUE },
{ 2.0, InterpolationModeNearestNeighbor, PixelOffsetModeHalf, image_200_half, 0, TRUE },
{ 2.5, InterpolationModeNearestNeighbor, PixelOffsetModeHalf, image_250_half, 0, TRUE },
{ 0.8, InterpolationModeNearestNeighbor, PixelOffsetModeHighQuality, image_080 }, /* 21 */
{ 1.0, InterpolationModeNearestNeighbor, PixelOffsetModeHighQuality, image_100 },
{ 1.2, InterpolationModeNearestNeighbor, PixelOffsetModeHighQuality, image_120_half, 0, TRUE },
{ 1.5, InterpolationModeNearestNeighbor, PixelOffsetModeHighQuality, image_150_half, 0, TRUE },
{ 1.8, InterpolationModeNearestNeighbor, PixelOffsetModeHighQuality, image_180_half, 0, TRUE },
{ 2.0, InterpolationModeNearestNeighbor, PixelOffsetModeHighQuality, image_200_half, 0, TRUE },
{ 2.5, InterpolationModeNearestNeighbor, PixelOffsetModeHighQuality, image_250_half, 0, TRUE },
/* The bilinear interpolation results are little bit different than on Windows */
/* TODO In two cases, there are missing right pixel column of image */
{ 0.8, InterpolationModeBilinear, PixelOffsetModeNone, image_bil_080, 1, TRUE }, /* 28 */
{ 1.0, InterpolationModeBilinear, PixelOffsetModeNone, image_100 },
{ 1.2, InterpolationModeBilinear, PixelOffsetModeNone, image_bil_120, 2 },
{ 1.5, InterpolationModeBilinear, PixelOffsetModeNone, image_bil_150, 1 },
{ 1.8, InterpolationModeBilinear, PixelOffsetModeNone, image_bil_180, 1, TRUE },
{ 2.0, InterpolationModeBilinear, PixelOffsetModeNone, image_bil_200, 1 },
{ 2.5, InterpolationModeBilinear, PixelOffsetModeNone, image_bil_250, 1 },
};
BYTE src_2x1[6] = { 0x80,0x80,0x80, 0xcc,0xcc,0xcc };
BYTE dst_8x1[24];
......@@ -4888,11 +4931,12 @@ static void test_DrawImage_scale(void)
expect(Ok, status);
status = GdipGetImageGraphicsContext(u2.image, &graphics);
expect(Ok, status);
status = GdipSetInterpolationMode(graphics, InterpolationModeNearestNeighbor);
expect(Ok, status);
for (i = 0; i < ARRAY_SIZE(td); i++)
{
status = GdipSetInterpolationMode(graphics, td[i].interpolation_mode);
expect(Ok, status);
status = GdipSetPixelOffsetMode(graphics, td[i].pixel_offset_mode);
expect(Ok, status);
......@@ -4906,7 +4950,7 @@ static void test_DrawImage_scale(void)
status = GdipDrawImageI(graphics, u1.image, 1, 0);
expect(Ok, status);
match = memcmp(dst_8x1, td[i].image, sizeof(dst_8x1)) == 0;
match = compare_with_precision(dst_8x1, td[i].image, sizeof(dst_8x1), td[i].precision) == 0;
todo_wine_if (!match && td[i].todo)
ok(match, "%d: data should match\n", i);
if (!match)
......
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