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/*
* Copyright (C) 2006-2007 Novell, Inc (http://www.novell.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
* NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Sebastien Pouliot <sebastien@ximian.com>
*/
/*
* NOTE: This is a private header files and everything is subject to changes.
*/
#ifndef __REGION_BITMAP_H__
#define __REGION_BITMAP_H__
#include "gdiplus-private.h"
#include "bitmap-private.h"
/*
* REGION_MAX_BITMAP_SIZE defines the size limit of the region bitmap we keep
* in memory. The current value is 2 megabits which should be enough for any
* on-screen region. Before changing this value remember that a "real", but
* temporary, ARGB32 bitmap (32 times bigger, i.e. 8MB) may be allocated when
* converting the path into the region bitmap.
*/
#define REGION_MAX_BITMAP_SIZE (2 * 1024 * 1024 >> 3)
#define SHAPE_SIZE(shape) (((shape)->Width * (shape)->Height) >> 3)
typedef struct {
int X;
int Y;
int Width;
int Height;
unsigned char *Mask;
BOOL reduced;
} GpRegionBitmap;
void gdip_region_bitmap_ensure (GpRegion *region) GDIP_INTERNAL;
GpRegionBitmap* gdip_region_bitmap_from_path (GpPath *path) GDIP_INTERNAL;
GpRegionBitmap* gdip_region_bitmap_clone (GpRegionBitmap *bitmap) GDIP_INTERNAL;
void gdip_region_bitmap_free (GpRegionBitmap *bitmap) GDIP_INTERNAL;
void gdip_region_bitmap_invalidate (GpRegion *region) GDIP_INTERNAL;
BOOL gdip_region_bitmap_compare (GpRegionBitmap *shape1, GpRegionBitmap *shape2) GDIP_INTERNAL;
BOOL gdip_region_bitmap_is_point_visible (GpRegionBitmap *bitmap, int x, int y) GDIP_INTERNAL;
BOOL gdip_region_bitmap_is_rect_visible (GpRegionBitmap *bitmap, GpRect *rect) GDIP_INTERNAL;
int gdip_region_bitmap_get_scans (GpRegionBitmap *bitmap, GpRectF *rect, int count) GDIP_INTERNAL;
void gdip_region_bitmap_get_smallest_rect (GpRegionBitmap *bitmap, GpRect *rect) GDIP_INTERNAL;
void gdip_region_bitmap_shrink (GpRegionBitmap *bitmap, BOOL always_shrink) GDIP_INTERNAL;
void gdip_region_bitmap_apply_alpha (GpBitmap *bitmap, GpRegionBitmap *alpha) GDIP_INTERNAL;
GpRegionBitmap* gdip_region_bitmap_combine (GpRegionBitmap *bitmap1, GpRegionBitmap* bitmap2, CombineMode combineMode) GDIP_INTERNAL;
#endif
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