fxengine/include/render/bitmap.h

#include <stdint.h>
#include <stdbool.h>

/**
 * @brief  bitmap rich type
 *    transparency is in the layout
 * @warning Monochrome only !
 */
struct bitmap_rich
{
    uint32_t size_px_x;
    uint32_t size_px_y;
    uint32_t size_o_y;

    uint32_t * color;
    uint32_t * layout;
};
typedef struct bitmap_rich bitmap_rich;


/**
 * @brief      get the color of pixel from rich bitmap
 *
 * @param[in]  bmp   The bitmap
 * @param[in]  x     The bitmap x coordinate (in pixels)
 * @param[in]  y     The bitmap y coordinate (in pixels)
 *
 * @return the color coded in a unsigned char :
 *  if (color >> 1)
 *      switch (color%2)
 *      {
 *      case 0:
 *          // WHITE
 *          break;
 *      case 1:
 *          // BLACK
 *      }
 *  else
 */
inline uint8_t bitmap_get_pixel_r(const bitmap_rich * bmp, uint32_t x, uint32_t y);


/**
 * @brief      display a specific rich bitmap pixel on the screen
 *
 * @param[in]  bmp    The bitmap
 * @param[in]  bmp_x  The bitmap x coordinate (in pixels)
 * @param[in]  bmp_y  The bitmap y coordinate (in pixels)
 * @param[in]  x      screen : x coordinate
 * @param[in]  y      screen : y coordinate
 */
void bitmap_display_pixel_r(const bitmap_rich * bmp, uint32_t bmp_x, uint32_t bmp_y, uint32_t x, uint32_t y);