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--- functions:widescreen [2016/10/05 02:05] – created korshun
+++ functions:widescreen [2017/01/02 23:35] – [GetAspectRatio] korshun
@@ Line 1: / Line 1: @@
 ====== Widescreen support functions ======
-==== GetAspectRatio ====
+===== GetAspectRatio =====
 ''int GetAspectRatio()''
-Returns the aspect ratio that ZDoom is currently using for HudMessages.
+Returns the aspect ratio that ZDoom is currently using for [[zdoom>HudMessage|HudMessages]].
   * ''ASPECT_4_3''
@@ Line 11: / Line 11: @@
   * ''ASPECT_17_10''
   * ''ASPECT_5_4''
+Every aspect ratio constant is a fixed-point number equal to the corresponding ratio, for example, ''ASPECT_4_3'' is equal to ''1.333333333333333''.
+===== Hud boundaries =====
+''fixed HudLeftFor  (fixed width)''
+''fixed HudRightFor (fixed width)''
+''fixed HudTopFor   (fixed height)''
+''fixed HudBottomFor(fixed height)''
+Return the boundaries of the screen for the given virtual width or height, accounting for current aspect ratio. Equivalent to adding or subtracting a hud border manually.
+===== Hud borders =====
+''fixed HudBorderXFor(fixed width)''
+''fixed HudBorderYFor(fixed width)''
+Return hud borders for the given virtual width or height.
+===== See also =====
+Variants of the same functions operating on currently set size, instead of receiving it every time, are available in [[.hudlib|hudlib]] and have the same name, except without the ''For'' prefix.

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