/*
* Copyright (c) 2021 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libmemgfx
* @{
*/
/**
* @file GFX memory backend structure
*
*/
#ifndef _MEMGFX_PRIVATE_MEMGC_H
#define _MEMGFX_PRIVATE_MEMGC_H
#include <gfx/bitmap.h>
#include <gfx/context.h>
#include <gfx/coord.h>
#include <io/pixel.h>
/** Actual structure of memory GC. */
struct mem_gc {
/** Base graphic context */
gfx_context_t *gc;
/** Bounding rectangle */
gfx_rect_t rect;
/** Clipping rectangle */
gfx_rect_t clip_rect;
/** Allocation info */
gfx_bitmap_alloc_t alloc;
/** Callbacks */
mem_gc_cb_t *cb;
/** Argument to callbacks */
void *cb_arg;
/** Current drawing color */
pixel_t color;
};
/** Bitmap in memory GC */
typedef struct {
/** Containing memory GC */
struct mem_gc *mgc;
/** Allocation info */
gfx_bitmap_alloc_t alloc;
/** @c true if we allocated the bitmap, @c false if allocated by caller */
bool myalloc;
/** Rectangle covered by bitmap */
gfx_rect_t rect;
/** Bitmap flags */
gfx_bitmap_flags_t flags;
/** Key color */
pixel_t key_color;
} mem_gc_bitmap_t;
#endif
/** @}
*/