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gdi32: Always store a copy of the bitmap bits for pattern brushes.

This commit is contained in:
Alexandre Julliard 2012-05-23 21:12:04 +02:00
parent 8a86f6c993
commit a196ad8fc1
4 changed files with 22 additions and 95 deletions
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98
dlls/gdi32/brush.c
View File

@ -55,88 +55,37 @@ static const struct gdi_obj_funcs brush_funcs =
};
/* fetch the contents of the brush bitmap and cache them in the brush pattern */
void cache_pattern_bits( PHYSDEV physdev, struct brush_pattern *pattern )
static BOOL copy_bitmap( struct brush_pattern *brush, HBITMAP bitmap )
{
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256])];
BITMAPINFO *info = (BITMAPINFO *)buffer;
struct gdi_image_bits bits;
struct bitblt_coords src;
BITMAPINFO *info;
BITMAPOBJ *bmp;
BITMAPOBJ *bmp = GDI_GetObjPtr( bitmap, OBJ_BITMAP );
if (pattern->info) return; /* already cached */
if (!(bmp = GDI_GetObjPtr( pattern->bitmap, OBJ_BITMAP ))) return;
/* we don't need to cache if we are selecting into the same type of DC */
if (physdev && bmp->funcs == physdev->funcs) goto done;
if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto done;
if (!bmp) return FALSE;
src.visrect.left = src.x = 0;
src.visrect.top = src.y = 0;
src.visrect.right = src.width = bmp->dib.dsBm.bmWidth;
src.visrect.bottom = src.height = bmp->dib.dsBm.bmHeight;
if (bmp->funcs->pGetImage( NULL, pattern->bitmap, info, &bits, &src ))
if (bmp->funcs->pGetImage( NULL, bitmap, info, &bits, &src )) goto done;
brush->bits = bits;
if (!bits.free)
{
HeapFree( GetProcessHeap(), 0, info );
if (!(brush->bits.ptr = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
memcpy( brush->bits.ptr, bits.ptr, info->bmiHeader.biSizeImage );
brush->bits.free = free_heap_bits;
}
if (!(brush->info = HeapAlloc( GetProcessHeap(), 0, get_dib_info_size( info, DIB_RGB_COLORS ))))
{
if (brush->bits.free) brush->bits.free( &brush->bits );
goto done;
}
/* release the unneeded space */
HeapReAlloc( GetProcessHeap(), HEAP_REALLOC_IN_PLACE_ONLY, info,
get_dib_info_size( info, DIB_RGB_COLORS ));
pattern->info = info;
pattern->bits = bits;
pattern->usage = DIB_RGB_COLORS;
done:
GDI_ReleaseObj( pattern->bitmap );
}
static BOOL copy_bitmap( struct brush_pattern *brush, HBITMAP bitmap )
{
BITMAPINFO *info;
BITMAPOBJ *bmp = GDI_GetObjPtr( bitmap, OBJ_BITMAP );
if (!bmp) return FALSE;
if (!is_bitmapobj_dib( bmp ))
{
if ((brush->bitmap = CreateBitmap( bmp->dib.dsBm.bmWidth, bmp->dib.dsBm.bmHeight,
bmp->dib.dsBm.bmPlanes, bmp->dib.dsBm.bmBitsPixel, NULL )))
{
if (bmp->funcs->pCopyBitmap( bitmap, brush->bitmap ))
{
BITMAPOBJ *copy = GDI_GetObjPtr( brush->bitmap, OBJ_BITMAP );
copy->funcs = bmp->funcs;
GDI_ReleaseObj( copy );
}
else
{
DeleteObject( brush->bitmap );
brush->bitmap = 0;
}
}
GDI_ReleaseObj( bitmap );
return brush->bitmap != 0;
}
info = HeapAlloc( GetProcessHeap(), 0,
get_dib_info_size( (BITMAPINFO *)&bmp->dib.dsBmih, DIB_RGB_COLORS ));
if (!info) goto done;
info->bmiHeader = bmp->dib.dsBmih;
if (info->bmiHeader.biCompression == BI_BITFIELDS)
memcpy( &info->bmiHeader + 1, bmp->dib.dsBitfields, sizeof(bmp->dib.dsBitfields) );
else if (info->bmiHeader.biClrUsed)
memcpy( &info->bmiHeader + 1, bmp->color_table, info->bmiHeader.biClrUsed * sizeof(RGBQUAD) );
if (!(brush->bits.ptr = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage )))
{
HeapFree( GetProcessHeap(), 0, info );
goto done;
}
memcpy( brush->bits.ptr, bmp->dib.dsBm.bmBits, info->bmiHeader.biSizeImage );
brush->bits.is_copy = TRUE;
brush->bits.free = free_heap_bits;
brush->info = info;
memcpy( brush->info, info, get_dib_info_size( info, DIB_RGB_COLORS ));
brush->bits.is_copy = FALSE; /* the bits can't be modified */
brush->usage = DIB_RGB_COLORS;
done:
@ -200,7 +149,6 @@ BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern )
void free_brush_pattern( struct brush_pattern *pattern )
{
if (pattern->bits.free) pattern->bits.free( &pattern->bits );
if (pattern->bitmap) DeleteObject( pattern->bitmap );
HeapFree( GetProcessHeap(), 0, pattern->info );
}
@ -211,8 +159,6 @@ BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *
if (!(brush = GDI_GetObjPtr( handle, OBJ_BRUSH ))) return FALSE;
if (!brush->pattern.info) cache_pattern_bits( NULL, &brush->pattern );
if (brush->pattern.info)
{
memcpy( info, brush->pattern.info, get_dib_info_size( brush->pattern.info, brush->pattern.usage ));
@ -495,11 +441,7 @@ static HGDIOBJ BRUSH_SelectObject( HGDIOBJ handle, HDC hdc )
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSelectBrush );
struct brush_pattern *pattern = &brush->pattern;
if (!pattern->info)
{
if (pattern->bitmap) cache_pattern_bits( physdev, pattern );
else pattern = NULL;
}
if (!pattern->info) pattern = NULL;
GDI_inc_ref_count( handle );
GDI_ReleaseObj( handle );

12
dlls/gdi32/dibdrv/objects.c
View File

@ -1873,17 +1873,7 @@ static BOOL select_pattern_brush( dibdrv_physdev *pdev, dib_brush *brush, BOOL *
if (pattern.bit_count == 1 && !pattern.color_table)
dither = FALSE; /* monochrome DDB pattern brushes don't get dithered */
if (!brush->pattern.info)
{
BITMAPOBJ *bmp = GDI_GetObjPtr( brush->pattern.bitmap, OBJ_BITMAP );
BOOL ret;
if (!bmp) return FALSE;
ret = init_dib_info_from_bitmapobj( &pattern, bmp );
GDI_ReleaseObj( brush->pattern.bitmap );
if (!ret) return FALSE;
}
else if (brush->pattern.info->bmiHeader.biClrUsed && brush->pattern.usage == DIB_PAL_COLORS)
if (brush->pattern.info->bmiHeader.biClrUsed && brush->pattern.usage == DIB_PAL_COLORS)
{
copy_bitmapinfo( info, brush->pattern.info );
fill_color_table_from_pal_colors( info, pdev->dev.hdc );

1
dlls/gdi32/gdi_private.h
View File

@ -221,7 +221,6 @@ extern DWORD stretch_bits( const BITMAPINFO *src_info, struct bitblt_coords *src
struct gdi_image_bits *bits, int mode ) DECLSPEC_HIDDEN;
/* brush.c */
extern void cache_pattern_bits( PHYSDEV physdev, struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
extern BOOL store_brush_pattern( LOGBRUSH *brush, struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
extern void free_brush_pattern( struct brush_pattern *pattern ) DECLSPEC_HIDDEN;
extern BOOL get_brush_bitmap_info( HBRUSH handle, BITMAPINFO *info, void **bits, UINT *usage ) DECLSPEC_HIDDEN;

6
dlls/gdi32/pen.c
View File

@ -243,11 +243,7 @@ static HGDIOBJ PEN_SelectObject( HGDIOBJ handle, HDC hdc )
break;
case OBJ_EXTPEN:
pattern = &pen->pattern;
if (!pattern->info)
{
if (pattern->bitmap) cache_pattern_bits( physdev, pattern );
else pattern = NULL;
}
if (!pattern->info) pattern = NULL;
break;
default:
GDI_ReleaseObj( handle );