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uxtheme: Fix buffer bitmap leak. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2017-04-21 23:09:16 +03:00 committed by Alexandre Julliard
parent a86af72270
commit e015928a85
1 changed files with 7 additions and 5 deletions
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12
dlls/uxtheme/buffer.c
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@ -39,12 +39,14 @@ struct paintbuffer
{
HDC targetdc;
HDC memorydc;
HBITMAP bitmap;
RECT rect;
void *bits;
};
static void free_paintbuffer(struct paintbuffer *buffer)
{
DeleteObject(buffer->bitmap);
DeleteDC(buffer->memorydc);
HeapFree(GetProcessHeap(), 0, buffer);
}
@ -83,7 +85,6 @@ HPAINTBUFFER WINAPI BeginBufferedPaint(HDC targetdc, const RECT *rect,
char bmibuf[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
BITMAPINFO *bmi = (BITMAPINFO *)bmibuf;
struct paintbuffer *buffer;
HBITMAP hbm;
TRACE("(%p %s %d %p %p)\n", targetdc, wine_dbgstr_rect(rect), format,
params, retdc);
@ -105,7 +106,7 @@ HPAINTBUFFER WINAPI BeginBufferedPaint(HDC targetdc, const RECT *rect,
switch (format)
{
case BPBF_COMPATIBLEBITMAP:
hbm = CreateCompatibleBitmap(targetdc, rect->right - rect->left, rect->bottom - rect->top);
buffer->bitmap = CreateCompatibleBitmap(targetdc, rect->right - rect->left, rect->bottom - rect->top);
buffer->bits = NULL;
break;
case BPBF_DIB:
@ -120,22 +121,23 @@ HPAINTBUFFER WINAPI BeginBufferedPaint(HDC targetdc, const RECT *rect,
bmi->bmiHeader.biBitCount = format == BPBF_TOPDOWNMONODIB ? 1 : 32;
bmi->bmiHeader.biPlanes = 1;
bmi->bmiHeader.biCompression = BI_RGB;
hbm = CreateDIBSection(buffer->memorydc, bmi, DIB_RGB_COLORS, &buffer->bits, NULL, 0);
buffer->bitmap = CreateDIBSection(buffer->memorydc, bmi, DIB_RGB_COLORS, &buffer->bits, NULL, 0);
break;
default:
WARN("Unknown buffer format %d\n", format);
buffer->bitmap = NULL;
free_paintbuffer(buffer);
return NULL;
}
if (!hbm)
if (!buffer->bitmap)
{
WARN("Failed to create buffer bitmap\n");
free_paintbuffer(buffer);
return NULL;
}
DeleteObject(SelectObject(buffer->memorydc, hbm));
DeleteObject(SelectObject(buffer->memorydc, buffer->bitmap));
*retdc = buffer->memorydc;