1 files changed, 65 insertions, 0 deletions
diff --git a/src/utils/ios/SkImageDecoder_iOS.mm b/src/utils/ios/SkImageDecoder_iOS.mm
new file mode 100755
index 0000000000..fc4316a56e
--- /dev/null
+++ b/src/utils/ios/SkImageDecoder_iOS.mm
@@ -0,0 +1,65 @@
+/*
+    Copyright 2010, Tetrark Inc.
+*/
+
+#import <CoreGraphics/CoreGraphics.h>
+#include <CoreGraphics/CGColorSpace.h>
+#import <UIKit/UIKit.h>
+
+#include "SkImageDecoder.h"
+#include "SkImageEncoder.h"
+#include "SkMovie.h"
+#include "SkStream_NSData.h"
+
+class SkImageDecoder_iOS : public SkImageDecoder {
+protected:
+    virtual bool onDecode(SkStream* stream, SkBitmap* bm, Mode);
+};
+
+#define BITMAP_INFO (kCGBitmapByteOrder32Big | kCGImageAlphaPremultipliedLast)
+
+bool SkImageDecoder_iOS::onDecode(SkStream* stream, SkBitmap* bm, Mode mode) {
+
+    NSData* data = NSData_dataWithStream(stream);
+
+    UIImage* uimage = [UIImage imageWithData:data];
+    
+    const int width = uimage.size.width;
+    const int height = uimage.size.height;
+    bm->setConfig(SkBitmap::kARGB_8888_Config, width, height);
+    if (SkImageDecoder::kDecodeBounds_Mode == mode) {
+        return true;
+    }
+    
+    if (!this->allocPixelRef(bm, NULL)) {
+        return false;
+    }
+    
+    bm->lockPixels();
+    bm->eraseColor(0);
+    
+    CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
+    CGContextRef cg = CGBitmapContextCreate(bm->getPixels(), width, height,
+                                            8, bm->rowBytes(), cs, BITMAP_INFO);
+    CGContextDrawImage(cg, CGRectMake(0, 0, width, height), uimage.CGImage);
+    CGContextRelease(cg);
+    CGColorSpaceRelease(cs);
+    
+    bm->unlockPixels();
+    return true;
+}
+
+/////////////////////////////////////////////////////////////////////////
+
+SkImageDecoder* SkImageDecoder::Factory(SkStream* stream) {
+    return new SkImageDecoder_iOS;
+}
+
+SkMovie* SkMovie::DecodeStream(SkStream* stream) {
+    return NULL;
+}
+
+SkImageEncoder* SkImageEncoder::Create(Type t) {
+    return NULL;
+}
+