Scaller

src/scaller.c

@@ -0,0 +1,15 @@
+#include "renderer.h"
+#include <SDL2/SDL_surface.h>
+#include "scaller.h"
+
+void scaller(SDL_Surface * surface, float scale, float * width, float * height) {
+    MonitorSize_t size = renderer_getMonitorSize();
+    *width = (float)surface->w / size.width * scale;
+    *height = (float)surface->h / size.height * scale;
+}
+
+void placer(SDL_Surface * surface, float scale, float * x, float * y) {
+    MonitorSize_t size = renderer_getMonitorSize();
+    *x = *x - scale * surface->w / (2.f * (float)size.width);
+    *y = *y - scale * surface->h / (2.f * (float)size.height);
+}