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gdi32/tests: Add tests for GdiAlphaBlend with source alpha.

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This commit is contained in:
Alexandre Julliard 2011-10-11 12:03:18 +02:00
parent d36b7a7f24
commit 2adcb2b94a
2 changed files with 111 additions and 29 deletions
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4
dlls/gdi32/bitblt.c
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@ -292,7 +292,7 @@ BOOL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
src_dev = GET_DC_PHYSDEV( dc_src, pGetImage );
err = src_dev->funcs->pGetImage( src_dev, 0, src_info, &bits, src );
release_dc_ptr( dc_src );
if (err) return FALSE;
if (err) goto done;
dst_dev = GET_DC_PHYSDEV( dc_dst, pBlendImage );
memcpy( dst_info, src_info, FIELD_OFFSET( BITMAPINFO, bmiColors[256] ));
@ -326,6 +326,8 @@ BOOL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
}
if (bits.free) bits.free( &bits );
done:
if (err) SetLastError( err );
return !err;
}

136
dlls/gdi32/tests/bitmap.c
View file

@ -35,8 +35,6 @@
static BOOL (WINAPI *pGdiAlphaBlend)(HDC,int,int,int,int,HDC,int,int,int,int,BLENDFUNCTION);
static DWORD (WINAPI *pSetLayout)(HDC hdc, DWORD layout);
#define expect_eq(expr, value, type, format) { type ret = (expr); ok((value) == ret, #expr " expected " format " got " format "\n", value, ret); }
static inline int get_bitmap_stride( int width, int bpp )
{
return ((width * bpp + 15) >> 3) & ~1;
@ -3232,19 +3230,16 @@ static void test_StretchDIBits(void)
static void test_GdiAlphaBlend(void)
{
/* test out-of-bound parameters for GdiAlphaBlend */
HDC hdcNull;
HDC hdcDst;
HBITMAP bmpDst;
HBITMAP oldDst;
BITMAPINFO bmi;
BITMAPINFO *bmi;
HDC hdcSrc;
HBITMAP bmpSrc;
HBITMAP oldSrc;
LPVOID bits;
BOOL ret;
BLENDFUNCTION blend;
if (!pGdiAlphaBlend)
@ -3258,14 +3253,14 @@ static void test_GdiAlphaBlend(void)
bmpDst = CreateCompatibleBitmap(hdcNull, 100, 100);
hdcSrc = CreateCompatibleDC(hdcNull);
memset(&bmi, 0, sizeof(bmi)); /* as of Wine 0.9.44 we require the src to be a DIB section */
bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);
bmi.bmiHeader.biHeight = 20;
bmi.bmiHeader.biWidth = 20;
bmi.bmiHeader.biBitCount = 32;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biCompression = BI_RGB;
bmpSrc = CreateDIBSection(hdcDst, &bmi, DIB_RGB_COLORS, &bits, NULL, 0);
bmi = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, FIELD_OFFSET( BITMAPINFO, bmiColors[3] ));
bmi->bmiHeader.biSize = sizeof(bmi->bmiHeader);
bmi->bmiHeader.biHeight = 20;
bmi->bmiHeader.biWidth = 20;
bmi->bmiHeader.biBitCount = 32;
bmi->bmiHeader.biPlanes = 1;
bmi->bmiHeader.biCompression = BI_RGB;
bmpSrc = CreateDIBSection(hdcDst, bmi, DIB_RGB_COLORS, &bits, NULL, 0);
ok(bmpSrc != NULL, "Couldn't create source bitmap\n");
oldDst = SelectObject(hdcDst, bmpDst);
@ -3276,26 +3271,111 @@ static void test_GdiAlphaBlend(void)
blend.SourceConstantAlpha = 128;
blend.AlphaFormat = 0;
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, 0, 20, 20, blend), TRUE, BOOL, "%d");
SetLastError(0xdeadbeef);
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, -1, 0, 10, 10, blend), FALSE, BOOL, "%d");
expect_eq(GetLastError(), ERROR_INVALID_PARAMETER, int, "%d");
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, -1, 10, 10, blend), FALSE, BOOL, "%d");
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 15, 0, 10, 10, blend), FALSE, BOOL, "%d");
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 10, 10, -2, 3, blend), FALSE, BOOL, "%d");
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 10, 10, -2, 3, blend), FALSE, BOOL, "%d");
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, 0, 20, 20, blend);
ok( ret, "GdiAlphaBlend failed err %u\n", GetLastError() );
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, -1, 0, 10, 10, blend);
ok( !ret, "GdiAlphaBlend succeeded\n" );
ok( GetLastError() == ERROR_INVALID_PARAMETER, "wrong error %u\n", GetLastError() );
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, -1, 10, 10, blend);
ok( !ret, "GdiAlphaBlend succeeded\n" );
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 15, 0, 10, 10, blend);
ok( !ret, "GdiAlphaBlend succeeded\n" );
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 10, 10, -2, 3, blend);
ok( !ret, "GdiAlphaBlend succeeded\n" );
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 10, 10, -2, 3, blend);
ok( !ret, "GdiAlphaBlend succeeded\n" );
SetWindowOrgEx(hdcSrc, -10, -10, NULL);
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, -1, 0, 10, 10, blend), TRUE, BOOL, "%d");
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, -1, 10, 10, blend), TRUE, BOOL, "%d");
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, -1, 0, 10, 10, blend);
ok( ret, "GdiAlphaBlend failed err %u\n", GetLastError() );
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, -1, 10, 10, blend);
ok( ret, "GdiAlphaBlend failed err %u\n", GetLastError() );
SetMapMode(hdcSrc, MM_ANISOTROPIC);
ScaleWindowExtEx(hdcSrc, 10, 1, 10, 1, NULL);
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, -1, 0, 30, 30, blend), TRUE, BOOL, "%d");
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, -1, 30, 30, blend), TRUE, BOOL, "%d");
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, -1, 0, 30, 30, blend);
ok( ret, "GdiAlphaBlend failed err %u\n", GetLastError() );
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, -1, 30, 30, blend);
ok( ret, "GdiAlphaBlend failed err %u\n", GetLastError() );
SetLastError(0xdeadbeef);
expect_eq(pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, NULL, 0, 0, 20, 20, blend), FALSE, BOOL, "%d");
expect_eq(GetLastError(), 0xdeadbeef, int, "%d");
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, NULL, 0, 0, 20, 20, blend);
ok( !ret, "GdiAlphaBlend succeeded\n" );
ok( GetLastError() == 0xdeadbeef, "wrong error %u\n", GetLastError() );
/* AC_SRC_ALPHA requires 32-bpp BI_RGB format */
blend.AlphaFormat = AC_SRC_ALPHA;
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, 0, 20, 20, blend);
ok( ret, "GdiAlphaBlend failed err %u\n", GetLastError() );
bmi->bmiHeader.biCompression = BI_BITFIELDS;
((DWORD *)bmi->bmiColors)[0] = 0xff0000;
((DWORD *)bmi->bmiColors)[1] = 0x00ff00;
((DWORD *)bmi->bmiColors)[2] = 0x0000ff;
bmpSrc = CreateDIBSection(hdcDst, bmi, DIB_RGB_COLORS, &bits, NULL, 0);
ok(bmpSrc != NULL, "Couldn't create source bitmap\n");
oldSrc = SelectObject(hdcSrc, bmpSrc);
DeleteObject( oldSrc );
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, 0, 20, 20, blend);
ok( ret, "GdiAlphaBlend failed err %u\n", GetLastError() );
bmi->bmiHeader.biCompression = BI_BITFIELDS;
((DWORD *)bmi->bmiColors)[0] = 0x0000ff;
((DWORD *)bmi->bmiColors)[1] = 0x00ff00;
((DWORD *)bmi->bmiColors)[2] = 0xff0000;
bmpSrc = CreateDIBSection(hdcDst, bmi, DIB_RGB_COLORS, &bits, NULL, 0);
ok(bmpSrc != NULL, "Couldn't create source bitmap\n");
oldSrc = SelectObject(hdcSrc, bmpSrc);
DeleteObject( oldSrc );
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, 0, 20, 20, blend);
ok( !ret, "GdiAlphaBlend succeeded\n" );
ok( GetLastError() == ERROR_INVALID_PARAMETER, "wrong error %u\n", GetLastError() );
bmi->bmiHeader.biBitCount = 24;
bmi->bmiHeader.biCompression = BI_RGB;
bmpSrc = CreateDIBSection(hdcDst, bmi, DIB_RGB_COLORS, &bits, NULL, 0);
ok(bmpSrc != NULL, "Couldn't create source bitmap\n");
oldSrc = SelectObject(hdcSrc, bmpSrc);
DeleteObject( oldSrc );
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, 0, 20, 20, blend);
ok( !ret, "GdiAlphaBlend succeeded\n" );
ok( GetLastError() == ERROR_INVALID_PARAMETER, "wrong error %u\n", GetLastError() );
bmi->bmiHeader.biBitCount = 1;
bmpSrc = CreateDIBSection(hdcDst, bmi, DIB_RGB_COLORS, &bits, NULL, 0);
ok(bmpSrc != NULL, "Couldn't create source bitmap\n");
oldSrc = SelectObject(hdcSrc, bmpSrc);
DeleteObject( oldSrc );
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, 0, 20, 20, blend);
ok( !ret, "GdiAlphaBlend succeeded\n" );
ok( GetLastError() == ERROR_INVALID_PARAMETER, "wrong error %u\n", GetLastError() );
bmpSrc = CreateBitmap( 100, 100, 1, 1, NULL );
ok(bmpSrc != NULL, "Couldn't create source bitmap\n");
oldSrc = SelectObject(hdcSrc, bmpSrc);
DeleteObject( oldSrc );
SetLastError(0xdeadbeef);
ret = pGdiAlphaBlend(hdcDst, 0, 0, 20, 20, hdcSrc, 0, 0, 20, 20, blend);
ok( !ret, "GdiAlphaBlend succeeded\n" );
ok( GetLastError() == ERROR_INVALID_PARAMETER, "wrong error %u\n", GetLastError() );
SelectObject(hdcDst, oldDst);
SelectObject(hdcSrc, oldSrc);