/* ========================================================================= */
#if defined(USE_TOUCH_INPUT_OVERLAY)
+static void DrawTouchInputOverlay_ShowGrid(int alpha)
+{
+ SDL_Rect rect;
+ int grid_xsize = 18;
+ int grid_ysize = 11;
+ int x, y;
+
+ SDL_SetRenderDrawColor(sdl_renderer, 255, 255, 255, alpha);
+ SDL_SetRenderDrawBlendMode(sdl_renderer, SDL_BLENDMODE_BLEND);
+
+ for (x = 0; x < grid_xsize; x++)
+ {
+ rect.x = (x + 0) * video.screen_width / grid_xsize;
+ rect.w = (x + 1) * video.screen_width / grid_xsize - rect.x;
+
+ for (y = 0; y < grid_ysize; y++)
+ {
+ rect.y = (y + 0) * video.screen_height / grid_ysize;
+ rect.h = (y + 1) * video.screen_height / grid_ysize - rect.y;
+
+ SDL_RenderDrawRect(sdl_renderer, &rect);
+ }
+ }
+
+ SDL_SetRenderDrawColor(sdl_renderer, 0, 0, 0, 255);
+}
+
static void DrawTouchInputOverlay()
{
static SDL_Texture *texture = NULL;
static boolean initialized = FALSE;
static boolean deactivated = TRUE;
+ static boolean show_grid = FALSE;
static int width = 0, height = 0;
static int alpha_max = SDL_ALPHA_OPAQUE / 2;
static int alpha_step = 5;
deactivated = TRUE;
}
+ if (overlay.show_grid)
+ show_grid = TRUE;
+ else if (deactivated)
+ show_grid = FALSE;
+
+ if (show_grid)
+ {
+ DrawTouchInputOverlay_ShowGrid(alpha);
+
+ return;
+ }
+
if (!initialized)
{
char *basename = "overlay/VirtualButtons.png";