pig: remove vestigial helpers

These came from my game boilerplate I bootstrapped pig from.

If pig becomes more interactive with the need for things like
mapping mouse movement and clicks into NDC space these can be
restored.

2 files changed, 1 insertions, 108 deletions

diff --git a/src/pig.c b/src/pig.c
index fa6c706..d547e8f 100644
--- a/src/pig.c
+++ b/src/pig.c
@@ -45,104 +45,6 @@ static inline float randf(void)
 }
 
 
-void pig_canvas_size(pig_t *pig, int *res_width, int *res_height)
-{
-	assert(pig);
-	assert(res_width);
-	assert(res_height);
-
-	SDL_GL_GetDrawableSize(pig->window, res_width, res_height);
-}
-
-
-void pig_canvas_to_ndc(pig_t *pig, int x, int y, float *res_x, float *res_y)
-{
-	int	w, h;
-
-	assert(pig);
-	assert(res_x);
-	assert(res_y);
-
-	pig_canvas_size(pig, &w, &h);
-
-	*res_x = (float)x / (float)w * 2.f - 1.f;
-	*res_y = (1.f - (float)y / (float)h) * 2.f - 1.f;
-}
-
-
-void pig_canvas_from_ndc(pig_t *pig, float x, float y, int *res_x, int *res_y)
-{
-	int	w, h;
-
-	assert(pig);
-	assert(res_x);
-	assert(res_y);
-
-	pig_canvas_size(pig, &w, &h);
-
-	*res_x = roundf(x * (float)w * .5f + .5f * (float)w);
-	*res_y = roundf(y * (float)h * .5f + .5f * (float)h);
-}
-
-
-void pig_viewport_size(pig_t *pig, int *res_width, int *res_height)
-{
-	assert(pig);
-	assert(res_width);
-	assert(res_height);
-
-	SDL_GetWindowSize(pig->window, res_width, res_height);
-}
-
-
-void pig_viewport_to_ndc(pig_t *pig, int x, int y, float *res_x, float *res_y)
-{
-	int	w, h;
-
-	assert(pig);
-	assert(res_x);
-	assert(res_y);
-
-	pig_viewport_size(pig, &w, &h);
-
-	*res_x = (float)x / (float)w * 2.f - 1.f;
-	*res_y = (1.f - (float)y / (float)h) * 2.f - 1.f;
-}
-
-
-void pig_viewport_from_ndc(pig_t *pig, float x, float y, int *res_x, int *res_y)
-{
-	int	w, h;
-
-	assert(pig);
-	assert(res_x);
-	assert(res_y);
-
-	pig_viewport_size(pig, &w, &h);
-
-	*res_x = roundf(x * (float)w * .5f + .5f * (float)w);
-	*res_y = roundf(y * (float)h * .5f + .5f * (float)h);
-}
-
-
-uint32_t pig_viewport_id(pig_t *pig)
-{
-	return SDL_GetWindowID(pig->window);
-}
-
-
-void pig_toggle_fullscreen(pig_t *pig)
-{
-	if (pig->windowed) {
-		if (!SDL_SetWindowFullscreen(pig->window, SDL_WINDOW_FULLSCREEN_DESKTOP))
-			pig->windowed = 0;
-	} else {
-		if (!SDL_SetWindowFullscreen(pig->window, 0))
-			pig->windowed = 1;
-	}
-}
-
-
 static void randomize_color(v3f_t *color)
 {
 	color->x = randf();
@@ -359,7 +261,7 @@ static void pig_dispatch(play_t *play, void *context, SDL_Event *event)
 		/* on highdpi the window size and pixels are decoupled, so ignore what
 		 * the event contains and query the canvas size.
 		 */
-		pig_canvas_size(pig, &w, &h);
+		SDL_GL_GetDrawableSize(pig->window, &w, &h);
 		glViewport(0, 0, w, h);
 		stage_dirty(pig->stage);
 	}
diff --git a/src/pig.h b/src/pig.h
index 7042a3f..3f0a24c 100644
--- a/src/pig.h
+++ b/src/pig.h
@@ -35,13 +35,4 @@ typedef struct pig_t {
 	v3f_t		color;
 } pig_t;
 
-void pig_canvas_size(pig_t *pig, int *res_width, int *res_height);
-void pig_canvas_to_ndc(pig_t *pig, int x, int y, float *res_x, float *res_y);
-void pig_canvas_from_ndc(pig_t *pig, float x, float y, int *res_x, int *res_y);
-void pig_viewport_size(pig_t *pig, int *res_width, int *res_height);
-void pig_viewport_to_ndc(pig_t *pig, int x, int y, float *res_x, float *res_y);
-void pig_viewport_from_ndc(pig_t *pig, float x, float y, int *res_x, int *res_y);
-uint32_t pig_viewport_id(pig_t *pig);
-void pig_toggle_fullscreen(pig_t *pig);
-
 #endif