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#ifndef IMV_TEXTURE_H
#define IMV_TEXTURE_H
/* Copyright (c) 2015 imv authors
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <SDL2/SDL.h>
#include <FreeImage.h>
struct imv_texture {
int width; /* width of the texture overall */
int height; /* height of the texture overall */
int num_chunks; /* number of chunks allocated */
SDL_Texture **chunks; /* array of chunks */
int num_chunks_wide; /* number of chunks per row of the image */
int num_chunks_tall; /* number of chunks per column of the image */
int chunk_width; /* chunk width */
int chunk_height; /* chunk height */
int last_chunk_width; /* width of rightmost chunk */
int last_chunk_height; /* height of bottommost chunk */
SDL_Renderer *renderer; /* SDL renderer to draw to */
};
/* Initialises an instance of imv_texture */
void imv_init_texture(struct imv_texture *tex, SDL_Renderer *r);
/* Cleans up all resources owned by a imv_texture instance */
void imv_destroy_texture(struct imv_texture *tex);
/* Updates the texture to contain the data in the image parameter */
int imv_texture_set_image(struct imv_texture *tex, FIBITMAP *image);
/* Draw the texture at the given position with the given scale */
void imv_texture_draw(struct imv_texture *tex, int x, int y, double scale);
#endif
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