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gdiplus/tests: Add a test for loading PNG grayscale images. 

Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Dmitry Timoshkov 2017-08-21 11:12:30 -05:00 committed by Alexandre Julliard
parent adf53a9cdb
commit ae65558ba1
1 changed files with 59 additions and 1 deletions
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60
dlls/gdiplus/tests/image.c
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@ -2,7 +2,7 @@
* Unit test suite for images
*
* Copyright (C) 2007 Google (Evan Stade)
* Copyright (C) 2012 Dmitry Timoshkov
* Copyright (C) 2012, 2016 Dmitry Timoshkov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -4966,6 +4966,63 @@ static void test_imageabort(void)
GdipDisposeImage((GpImage*)bm);
}
/* RGB 24 bpp 1x1 pixel PNG image */
static const char png_1x1_data[] = {
0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a,
0x00,0x00,0x00,0x0d,'I','H','D','R',0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x08,0x02,0x00,0x00,0x00,0x90,0x77,0x53,0xde,
0x00,0x00,0x00,0x0c,'I','D','A','T',0x08,0xd7,0x63,0xf8,0xff,0xff,0x3f,0x00,0x05,0xfe,0x02,0xfe,0xdc,0xcc,0x59,0xe7,
0x00,0x00,0x00,0x00,'I','E','N','D',0xae,0x42,0x60,0x82
};
static void test_png_color_formats(void)
{
static const struct
{
char bit_depth, color_type;
PixelFormat format;
} td[] =
{
/* 2 - PNG_COLOR_TYPE_RGB */
{ 8, 2, PixelFormat24bppRGB },
/* 0 - PNG_COLOR_TYPE_GRAY */
{ 1, 0, PixelFormat1bppIndexed },
{ 2, 0, PixelFormat32bppARGB },
{ 4, 0, PixelFormat32bppARGB },
{ 8, 0, PixelFormat32bppARGB },
{ 16, 0, PixelFormat32bppARGB },
};
BYTE buf[sizeof(png_1x1_data)];
GpStatus status;
GpImage *image;
ImageType type;
PixelFormat format;
int i;
for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
{
memcpy(buf, png_1x1_data, sizeof(png_1x1_data));
buf[24] = td[i].bit_depth;
buf[25] = td[i].color_type;
image = load_image(buf, sizeof(buf));
ok(image != NULL, "%d: failed to load image data\n", i);
if (!image) continue;
status = GdipGetImageType(image, &type);
ok(status == Ok, "%u: GdipGetImageType error %d\n", i, status);
ok(type == ImageTypeBitmap, "%d: wrong image type %d\n", i, type);
status = GdipGetImagePixelFormat(image, &format);
expect(Ok, status);
todo_wine_if(td[i].bit_depth == 8 && td[i].color_type == 0)
ok(format == td[i].format ||
broken(td[i].bit_depth == 1 && td[i].color_type == 0 && format == PixelFormat32bppARGB), /* XP */
"%d: expected %#x, got %#x\n", i, td[i].format, format);
GdipDisposeImage(image);
}
}
START_TEST(image)
{
HMODULE mod = GetModuleHandleA("gdiplus.dll");
@ -4990,6 +5047,7 @@ START_TEST(image)
pGdipBitmapGetHistogram = (void*)GetProcAddress(mod, "GdipBitmapGetHistogram");
pGdipImageSetAbort = (void*)GetProcAddress(mod, "GdipImageSetAbort");
test_png_color_formats();
test_supported_encoders();
test_CloneBitmapArea();
test_ARGB_conversion();