Fixed a crash when Core Image was available.

[ITKit.git] / ITWindowEffect.m

diff --git a/ITWindowEffect.m b/ITWindowEffect.m
old mode 100755 (executable)
new mode 100644 (file)
index 5745bd7..3992252
--- a/ITWindowEffect.m
+++ b/ITWindowEffect.m
@@ -1,20 +1,35 @@
 #import "ITWindowEffect.h"
 #import "ITTransientStatusWindow.h"
-
+#import <OpenGL/gl.h>
+#import <OpenGL/glu.h>
+#import <OpenGL/glext.h>
 
 @implementation ITWindowEffect
 
 + (NSArray *)effectClasses
 {
-    NSArray *classes = [NSArray arrayWithObjects:
+    NSMutableArray *classes = [[NSArray arrayWithObjects:
         NSClassFromString(@"ITCutWindowEffect"),
         NSClassFromString(@"ITDissolveWindowEffect"),
         NSClassFromString(@"ITSlideHorizontallyWindowEffect"),
         NSClassFromString(@"ITSlideVerticallyWindowEffect"),
         NSClassFromString(@"ITPivotWindowEffect"),
-        nil];
-        
-    return classes;
+        NSClassFromString(@"ITZoomWindowEffect"),
+        NSClassFromString(@"ITSpinWindowEffect"),
+        NSClassFromString(@"ITSpinAndZoomWindowEffect"),
+        nil] mutableCopy];
+       
+       NSOpenGLView *view = [[NSOpenGLView alloc] initWithFrame:NSMakeRect(0, 0, 1, 1) pixelFormat:[NSOpenGLView defaultPixelFormat]];
+       if ([view openGLContext]) {
+               NSString *string = [NSString stringWithCString:glGetString(GL_EXTENSIONS)];
+               NSRange result = [string rangeOfString:@"ARB_fragment_program"];
+               if (result.location != NSNotFound) {
+                       [classes addObject:NSClassFromString(@"ITCoreImageWindowEffect")];
+               }
+       }
+       [view release];
+       
+    return [classes autorelease];
 }
 
 - (id)initWithWindow:(NSWindow *)window
@@ -27,7 +42,6 @@
         __idle                  = YES;
 
         if ( [window conformsToProtocol:@protocol(ITWindowPositioning)] ) {
-                                                           // Casts so the compiler won't gripe
             _verticalPosition   = (ITVerticalWindowPosition)[(ITTransientStatusWindow *)window verticalPosition];
             _horizontalPosition = (ITHorizontalWindowPosition)[(ITTransientStatusWindow *)window horizontalPosition];
         } else {