Levels: add convenience method for setting RGB levels together

Signed-off-by: Karl von Randow <[email protected]>
pheed · Oct 18, 2012 · 14843a8 · 14843a8
1 parent f2e48c3
commit 14843a8
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Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/framework/Source/GPUImageLevelsFilter.h b/framework/Source/GPUImageLevelsFilter.h
@@ -15,5 +15,8 @@
 - (void)setGreenMin:(CGFloat)min gamma:(CGFloat)mid max:(CGFloat)max;
 - (void)setBlueMin:(CGFloat)min gamma:(CGFloat)mid max:(CGFloat)max;
 
+- (void)setMin:(CGFloat)min gamma:(CGFloat)mid max:(CGFloat)max minOut:(CGFloat)minOut maxOut:(CGFloat)maxOut;
+- (void)setMin:(CGFloat)min gamma:(CGFloat)mid max:(CGFloat)max;
+
 @end
 
diff --git a/framework/Source/GPUImageLevelsFilter.m b/framework/Source/GPUImageLevelsFilter.m
@@ -60,6 +60,16 @@ - (id)init;
 #pragma mark -
 #pragma mark Accessors
 
+- (void)setMin:(CGFloat)min gamma:(CGFloat)mid max:(CGFloat)max minOut:(CGFloat)minOut maxOut:(CGFloat)maxOut {
+    [self setRedMin:min gamma:mid max:max minOut:minOut maxOut:maxOut];
+    [self setGreenMin:min gamma:mid max:max minOut:minOut maxOut:maxOut];
+    [self setBlueMin:min gamma:mid max:max minOut:minOut maxOut:maxOut];
+}
+
+- (void)setMin:(CGFloat)min gamma:(CGFloat)mid max:(CGFloat)max {
+    [self setMin:min gamma:mid max:max minOut:0.0 maxOut:1.0];
+}
+
 - (void)setRedMin:(CGFloat)min gamma:(CGFloat)mid max:(CGFloat)max minOut:(CGFloat)minOut maxOut:(CGFloat)maxOut {
     [self setFloat:min forUniform:redUniform program:filterProgram];
     [self setFloat:mid forUniform:redUniform + 1 program:filterProgram];