Ability to get the scale factor between the theme's aspect ratio and screen's aspect ratio. Useful for placing actors in the same screen location regardless of aspect ratio.

2006-09-06 19:06:41 +00:00
parent 143c693a87
commit af1412c3d8
2 changed files with 5 additions and 1 deletions
@@ -23,7 +23,6 @@ static ThemeMetric<float> THEME_SCREEN_HEIGHT("Common","ScreenHeight");
 * aspect ratio of the physical display); we don't care about the PAR (pixel
 * aspect ratio: the aspect ratio of a pixel).
 */
-#define THEME_NATIVE_ASPECT (THEME_SCREEN_WIDTH/THEME_SCREEN_HEIGHT)

 float ScreenDimensions::GetThemeAspectRatio()
 {
@@ -64,6 +63,8 @@ void ScreenDimensions::ReloadScreenDimensions()
 	LUA->SetGlobal( "SCREEN_BOTTOM", (int) SCREEN_BOTTOM );
 	LUA->SetGlobal( "SCREEN_CENTER_X", (int) SCREEN_CENTER_X );
 	LUA->SetGlobal( "SCREEN_CENTER_Y", (int) SCREEN_CENTER_Y );
+
+	LUA->SetGlobal( "ASPECT_SCALE_FACTOR", (int) ASPECT_SCALE_FACTOR );
 }

 LuaFunction( GetScreenAspectRatio,	PREFSMAN->m_fDisplayAspectRatio );
@@ -22,6 +22,9 @@ namespace ScreenDimensions
 #define	SCREEN_CENTER_X	(SCREEN_LEFT + (SCREEN_RIGHT - SCREEN_LEFT)/2.0f)
 #define	SCREEN_CENTER_Y	(SCREEN_TOP + (SCREEN_BOTTOM - SCREEN_TOP)/2.0f)

+#define THEME_NATIVE_ASPECT (THEME_SCREEN_WIDTH/THEME_SCREEN_HEIGHT)
+#define ASPECT_SCALE_FACTOR ((SCREEN_WIDTH/SCREEN_HEIGHT)/THEME_NATIVE_ASPECT)
+
 #define FullScreenRectF RectF(SCREEN_LEFT,SCREEN_TOP,SCREEN_RIGHT,SCREEN_BOTTOM)

 #define	ARROW_SIZE	(64)