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gdiplus: Add test for image resolution functions.

This commit is contained in:
Vincent Povirk 2009-12-26 20:25:01 -05:00 committed by Alexandre Julliard
parent c38d334266
commit f71cb580a4
1 changed files with 64 additions and 0 deletions
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64
dlls/gdiplus/tests/image.c
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@ -889,6 +889,69 @@ static void test_createfromwmf(void)
GdipDisposeImage(img);
}
static void test_resolution(void)
{
GpStatus stat;
GpBitmap *bitmap;
REAL res=-1.0;
HDC screendc;
int screenxres, screenyres;
/* create Bitmap */
stat = GdipCreateBitmapFromScan0(1, 1, 32, PixelFormat24bppRGB, NULL, &bitmap);
expect(Ok, stat);
/* test invalid values */
stat = GdipGetImageHorizontalResolution(NULL, &res);
expect(InvalidParameter, stat);
stat = GdipGetImageHorizontalResolution((GpImage*)bitmap, NULL);
expect(InvalidParameter, stat);
stat = GdipGetImageVerticalResolution(NULL, &res);
expect(InvalidParameter, stat);
stat = GdipGetImageVerticalResolution((GpImage*)bitmap, NULL);
expect(InvalidParameter, stat);
stat = GdipBitmapSetResolution(NULL, 96.0, 96.0);
todo_wine expect(InvalidParameter, stat);
stat = GdipBitmapSetResolution(bitmap, 0.0, 0.0);
todo_wine expect(InvalidParameter, stat);
/* defaults to screen resolution */
screendc = GetDC(0);
screenxres = GetDeviceCaps(screendc, LOGPIXELSX);
screenyres = GetDeviceCaps(screendc, LOGPIXELSY);
ReleaseDC(0, screendc);
stat = GdipGetImageHorizontalResolution((GpImage*)bitmap, &res);
todo_wine expect(Ok, stat);
todo_wine expectf((REAL)screenxres, res);
stat = GdipGetImageVerticalResolution((GpImage*)bitmap, &res);
todo_wine expect(Ok, stat);
todo_wine expectf((REAL)screenyres, res);
/* test changing the resolution */
stat = GdipBitmapSetResolution(bitmap, screenxres*2.0, screenyres*3.0);
todo_wine expect(Ok, stat);
stat = GdipGetImageHorizontalResolution((GpImage*)bitmap, &res);
todo_wine expect(Ok, stat);
todo_wine expectf(screenxres*2.0, res);
stat = GdipGetImageVerticalResolution((GpImage*)bitmap, &res);
todo_wine expect(Ok, stat);
todo_wine expectf(screenyres*3.0, res);
stat = GdipDisposeImage((GpImage*)bitmap);
expect(Ok, stat);
}
static void test_createhbitmap(void)
{
GpStatus stat;
@ -1465,6 +1528,7 @@ START_TEST(image)
test_getrawformat();
test_loadwmf();
test_createfromwmf();
test_resolution();
test_createhbitmap();
test_getsetpixel();
test_palette();