Changeset 81087 in webkit

Timestamp:

Mar 14, 2011, 5:48:45 PM (14 years ago)

Author:

alice.liu@apple.com

Message:

Provide API for creating WKImage from CGImageRef
​https://bugs.webkit.org/show_bug.cgi?id=56159

Reviewed by Sam Weinig.

Add function for creating a WKImage from CGImage data.

• Shared/API/c/cg/WKImageCG.cpp:

(WKImageCreateFromCGImage): Added. Creates a graphics context for the bitmap-backed image and draws into it.

• Shared/API/c/cg/WKImageCG.h:

Location:

trunk/Source/WebKit2

Files:

• ChangeLog (modified) (1 diff)
• Shared/API/c/cg/WKImageCG.cpp (modified) (1 diff)
• Shared/API/c/cg/WKImageCG.h (modified) (2 diffs)

trunk/Source/WebKit2/ChangeLog

@@ +1 @@
+2011-03-14  Alice Liu  <alice.liu@apple.com>
+
+        Reviewed by Sam Weinig.
+
+        Provide API for creating WKImage from CGImageRef
+        https://bugs.webkit.org/show_bug.cgi?id=56159
+
+        Add function for creating a WKImage from CGImage data.
+        * Shared/API/c/cg/WKImageCG.cpp:
+        (WKImageCreateFromCGImage): Added. Creates a graphics context for the bitmap-backed image and draws into it. 
+        * Shared/API/c/cg/WKImageCG.h:
+
 2011-03-14  Balazs Kelemen  <kbalazs@webkit.org>
 

trunk/Source/WebKit2/Shared/API/c/cg/WKImageCG.cpp

@@ -40 +40 @@
     return CGBitmapContextCreateImage(sourceContext->platformContext());
 }
+
+WKImageRef WKImageCreateFromCGImage(CGImageRef imageRef, WKImageOptions options)
+{
+    IntSize imageSize(CGImageGetWidth(imageRef), CGImageGetHeight(imageRef));
+    RefPtr<WebImage> webImage = WebImage::create(imageSize, toImageOptions(options));
+    OwnPtr<GraphicsContext> graphicsContext = webImage->bitmap()->createGraphicsContext();
+    CGContextDrawImage(graphicsContext->platformContext(), CGRectMake(0, 0, imageSize.width(), imageSize.height()), imageRef);
+    return toAPI(webImage.release().leakRef());
+}

trunk/Source/WebKit2/Shared/API/c/cg/WKImageCG.h

@@ -29 +29 @@
 #include <CoreGraphics/CGImage.h>
 #include <WebKit2/WKBase.h>
+#include <WebKit2/WKImage.h>
 
 #ifdef __cplusplus
@@ -36 +37 @@
 WK_EXPORT CGImageRef WKImageCreateCGImage(WKImageRef image);
 
+WK_EXPORT WKImageRef WKImageCreateFromCGImage(CGImageRef imageRef, WKImageOptions options);
+
 #ifdef __cplusplus
 }