1 files changed, 114 insertions, 0 deletions
diff --git a/macosx/PictureGLView.mm b/macosx/PictureGLView.mm
new file mode 100644
index 000000000..72e564141
--- /dev/null
+++ b/macosx/PictureGLView.mm
@@ -0,0 +1,114 @@
+#include <OpenGL/gl.h>
+
+#include "PictureGLView.h"
+
+@implementation PictureGLView
+
+- (void) SetManager: (HBManager*) manager
+{
+    fManager = manager;
+}
+
+- (void) SetTitle: (HBTitle*) title
+{
+    fTitle = title;
+ 
+    /* This is needed as the view's size may have changed */
+    [self clearGLContext];
+    [self openGLContext];
+}
+
+- (void) ShowPicture: (int) index
+{
+    /* Get the picture */
+    uint8_t * tmp = fManager->GetPreview( fTitle, index );
+
+    /* Make it be upside-down */
+    if( fPicture ) free( fPicture );
+    fPicture = (uint8_t*) malloc( 4 * ( fTitle->fOutWidthMax + 2 ) *
+                                  ( fTitle->fOutHeightMax + 2 ) );
+    for( uint32_t i = 0; i < fTitle->fOutHeightMax + 2; i++ )
+    {
+        memcpy( fPicture + 4 * ( fTitle->fOutWidthMax + 2 ) * i,
+                tmp + 4 * ( fTitle->fOutWidthMax + 2 ) *
+                    ( fTitle->fOutHeightMax + 1 - i ),
+                4 * ( fTitle->fOutWidthMax + 2 ) );
+    }
+    free( tmp );
+
+    /* Grrr - should find a way to give ARGB to OpenGL */
+    uint8_t r, g, b, a;
+    for( uint32_t i = 0; i < fTitle->fOutHeightMax + 2; i++ )
+    {
+        for( uint32_t j = 0; j < fTitle->fOutWidthMax + 2; j++ )
+        {
+            a = fPicture[4*(i*(fTitle->fOutWidthMax+2)+j)];
+            r = fPicture[4*(i*(fTitle->fOutWidthMax+2)+j)+1];
+            g = fPicture[4*(i*(fTitle->fOutWidthMax+2)+j)+2];
+            b = fPicture[4*(i*(fTitle->fOutWidthMax+2)+j)+3];
+
+            fPicture[4*(i*(fTitle->fOutWidthMax+2)+j)]   = r;
+            fPicture[4*(i*(fTitle->fOutWidthMax+2)+j)+1] = g;
+            fPicture[4*(i*(fTitle->fOutWidthMax+2)+j)+2] = b;
+            fPicture[4*(i*(fTitle->fOutWidthMax+2)+j)+3] = a;
+        }
+    }
+
+    [self setNeedsDisplay: YES];
+}
+
+/* Override NSView's initWithFrame: to specify our pixel format */
+- (id) initWithFrame: (NSRect) frame
+{
+    fManager = NULL;
+    fTitle   = NULL;
+    fPicture = NULL;
+
+    GLuint attribs[] =
+    {
+        NSOpenGLPFANoRecovery,
+        NSOpenGLPFAWindow,
+        NSOpenGLPFAAccelerated,
+        NSOpenGLPFADoubleBuffer,
+        NSOpenGLPFAColorSize, 24,
+        NSOpenGLPFAAlphaSize, 8,
+        NSOpenGLPFADepthSize, 24,
+        NSOpenGLPFAStencilSize, 8,
+        NSOpenGLPFAAccumSize, 0,
+        0
+    };
+
+    NSOpenGLPixelFormat * fmt = [[NSOpenGLPixelFormat alloc]
+        initWithAttributes: (NSOpenGLPixelFormatAttribute*) attribs];
+
+    if( !fmt )
+    {
+        fprintf( stderr, "Sarass\n" );
+    }
+
+    return self = [super initWithFrame:frame pixelFormat:
+                      [fmt autorelease]];
+}
+
+/* Override the view's drawRect: to draw our GL content */
+- (void) drawRect: (NSRect) rect
+{
+    glViewport( 0, 0, (GLsizei) rect.size.width,
+                (GLsizei) rect.size.height );
+
+    /* Black background */
+    glClearColor( 0, 0, 0, 0 );
+    glClear( GL_COLOR_BUFFER_BIT );
+
+    /* Show it */
+    if( fPicture )
+    {
+        glDrawPixels( fTitle->fOutWidthMax + 2,
+                      fTitle->fOutHeightMax + 2, GL_RGBA,
+                      GL_UNSIGNED_BYTE, fPicture );
+    }
+
+    [[self openGLContext] flushBuffer];
+}
+
+@end