src/ui/cursor.h

   1 #ifndef CURSOR_H_
   2 #define CURSOR_H_
   3
   4 #include <SDL.h>
   5
   6 #define CURSOR_ICON_WIDTH 32
   7 #define CURSOR_ICON_HEIGHT 32
   8
   9 typedef enum {
  10     CURSOR_STYLE_POINTER = 0,
  11     CURSOR_STYLE_RESIZE_VERT,
  12     CURSOR_STYLE_RESIZE_HORIS,
  13     CURSOR_STYLE_RESIZE_DIAG1,
  14     CURSOR_STYLE_RESIZE_DIAG2,
  15
  16     CURSOR_STYLE_N
  17 } Cursor_Style;
  18
  19 static const char * const cursor_style_tex_files[CURSOR_STYLE_N] = {
  20     "./assets/images/cursor.bmp",
  21     "./assets/images/cursor-resize-vert.bmp",
  22     "./assets/images/cursor-resize-horis.bmp",
  23     "./assets/images/cursor-resize-diag1.bmp",
  24     "./assets/images/cursor-resize-diag2.bmp"
  25 };
  26
  27 static const int cursor_style_tex_pivots[CURSOR_STYLE_N][2] = {
  28     {0, 0},
  29     {CURSOR_ICON_WIDTH / 2, CURSOR_ICON_HEIGHT / 2},
  30     {CURSOR_ICON_WIDTH / 2, CURSOR_ICON_HEIGHT / 2},
  31     {CURSOR_ICON_WIDTH / 2, CURSOR_ICON_HEIGHT / 2},
  32     {CURSOR_ICON_WIDTH / 2, CURSOR_ICON_HEIGHT / 2}
  33 };
  34
  35 typedef struct {
  36     SDL_Texture *texs[CURSOR_STYLE_N];
  37     Cursor_Style style;
  38 } Cursor;
  39
  40 int cursor_render(const Cursor *cursor, SDL_Renderer *renderer);
  41
  42 #endif  // CURSOR_H_