101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/*
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* File : image.h
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* This file is part of RT-Thread GUI Engine
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* COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2009-10-16 Bernard first version
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*/
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#ifndef __RTGUI_IMAGE_H__
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#define __RTGUI_IMAGE_H__
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#include <rtgui/dc.h>
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#include <rtgui/filerw.h>
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#include <rtgui/region.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct rtgui_image;
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struct rtgui_image_engine
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{
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const char *name;
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struct rtgui_list_node list;
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/* image engine function */
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rt_bool_t (*image_check)(struct rtgui_filerw *file);
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rt_bool_t (*image_load)(struct rtgui_image *image, struct rtgui_filerw *file, rt_bool_t load);
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void (*image_unload)(struct rtgui_image *image);
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void (*image_blit)(struct rtgui_image *image, struct rtgui_dc *dc, struct rtgui_rect *rect);
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};
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struct rtgui_image_palette
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{
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rtgui_color_t *colors;
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rt_uint32_t ncolors;
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};
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typedef struct rtgui_image_palette rtgui_image_palette_t;
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struct rtgui_image
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{
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/* image metrics */
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rt_uint16_t w, h;
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/* image engine */
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const struct rtgui_image_engine *engine;
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/* image palette */
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rtgui_image_palette_t *palette;
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/* image private data */
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void *data;
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};
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typedef struct rtgui_image rtgui_image_t;
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/* init rtgui image system */
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void rtgui_system_image_init(void);
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#if defined(RTGUI_USING_DFS_FILERW)
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struct rtgui_image_engine *rtgui_image_get_engine_by_filename(const char *fn);
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struct rtgui_image *rtgui_image_create_from_file(const char *type, const char *filename, rt_bool_t load);
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struct rtgui_image *rtgui_image_create(const char *filename, rt_bool_t load);
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#endif
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struct rtgui_image *rtgui_image_create_from_mem(const char *type, const rt_uint8_t *data, rt_size_t length, rt_bool_t load);
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void rtgui_image_destroy(struct rtgui_image *image);
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/* get image's rect */
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void rtgui_image_get_rect(struct rtgui_image *image, struct rtgui_rect *rect);
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/* register an image engine */
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void rtgui_image_register_engine(struct rtgui_image_engine *engine);
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/* blit an image on DC */
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void rtgui_image_blit(struct rtgui_image *image, struct rtgui_dc *dc, struct rtgui_rect *rect);
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struct rtgui_image_palette *rtgui_image_palette_create(rt_uint32_t ncolors);
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#ifdef __cplusplus
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}
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#endif
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#endif
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