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gdiplus: Test writes with conversion and without a user buffer.
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1 changed files with 18 additions and 0 deletions
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@ -517,6 +517,7 @@ static void test_LockBits(void)
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BitmapData bd;
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const INT WIDTH = 10, HEIGHT = 20;
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ARGB color;
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int y;
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bm = NULL;
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stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm);
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@ -645,6 +646,7 @@ static void test_LockBits(void)
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if (stat == Ok) {
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expect(0xff, ((BYTE*)bd.Scan0)[2]);
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((BYTE*)bd.Scan0)[1] = 0x88;
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if (0)
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/* Areas outside the rectangle appear to be uninitialized */
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ok(0xc3 != ((BYTE*)bd.Scan0)[2 + bd.Stride * 5], "original image bits are readable\n");
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@ -653,6 +655,10 @@ static void test_LockBits(void)
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expect(Ok, stat);
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}
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stat = GdipBitmapGetPixel(bm, 2, 3, &color);
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expect(Ok, stat);
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todo_wine expect(0xffff8800, color);
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/* write, conversion */
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stat = GdipBitmapLockBits(bm, &rect, ImageLockModeWrite, PixelFormat32bppARGB, &bd);
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expect(Ok, stat);
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@ -665,10 +671,22 @@ static void test_LockBits(void)
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ok(0xc3 != ((BYTE*)bd.Scan0)[2 + bd.Stride * 5], "original image bits are readable\n");
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}
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/* Initialize the buffer so the unlock doesn't access undefined memory */
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for (y=0; y<5; y++)
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memset(((BYTE*)bd.Scan0) + bd.Stride * y, 0, 12);
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((BYTE*)bd.Scan0)[0] = 0x12;
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((BYTE*)bd.Scan0)[1] = 0x34;
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((BYTE*)bd.Scan0)[2] = 0x56;
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stat = GdipBitmapUnlockBits(bm, &bd);
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expect(Ok, stat);
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}
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stat = GdipBitmapGetPixel(bm, 2, 3, &color);
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expect(Ok, stat);
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expect(0xff563412, color);
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stat = GdipDisposeImage((GpImage*)bm);
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expect(Ok, stat);
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stat = GdipCreateBitmapFromScan0(WIDTH, HEIGHT, 0, PixelFormat24bppRGB, NULL, &bm);
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