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gdiplus: Test writes with conversion and without a user buffer.

This commit is contained in:
Vincent Povirk 2011-02-24 16:04:04 -06:00 committed by Alexandre Julliard
parent 188b3ae1b1
commit d086af1d36
1 changed files with 18 additions and 0 deletions
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18
dlls/gdiplus/tests/image.c
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@ -517,6 +517,7 @@ static void test_LockBits(void)
BitmapData bd;
const INT WIDTH = 10, HEIGHT = 20;
ARGB color;
int y;
bm = NULL;
stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm);
@ -645,6 +646,7 @@ static void test_LockBits(void)
if (stat == Ok) {
expect(0xff, ((BYTE*)bd.Scan0)[2]);
((BYTE*)bd.Scan0)[1] = 0x88;
if (0)
/* Areas outside the rectangle appear to be uninitialized */
ok(0xc3 != ((BYTE*)bd.Scan0)[2 + bd.Stride * 5], "original image bits are readable\n");
@ -653,6 +655,10 @@ static void test_LockBits(void)
expect(Ok, stat);
}
stat = GdipBitmapGetPixel(bm, 2, 3, &color);
expect(Ok, stat);
todo_wine expect(0xffff8800, color);
/* write, conversion */
stat = GdipBitmapLockBits(bm, &rect, ImageLockModeWrite, PixelFormat32bppARGB, &bd);
expect(Ok, stat);
@ -665,10 +671,22 @@ static void test_LockBits(void)
ok(0xc3 != ((BYTE*)bd.Scan0)[2 + bd.Stride * 5], "original image bits are readable\n");
}
/* Initialize the buffer so the unlock doesn't access undefined memory */
for (y=0; y<5; y++)
memset(((BYTE*)bd.Scan0) + bd.Stride * y, 0, 12);
((BYTE*)bd.Scan0)[0] = 0x12;
((BYTE*)bd.Scan0)[1] = 0x34;
((BYTE*)bd.Scan0)[2] = 0x56;
stat = GdipBitmapUnlockBits(bm, &bd);
expect(Ok, stat);
}
stat = GdipBitmapGetPixel(bm, 2, 3, &color);
expect(Ok, stat);
expect(0xff563412, color);
stat = GdipDisposeImage((GpImage*)bm);
expect(Ok, stat);
stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm);