Refactor SkImageFilter into its own .cpp file.

Review URL:  https://codereview.appspot.com/6465073/



git-svn-id: http://skia.googlecode.com/svn/trunk@5188 2bbb7eff-a529-9590-31e7-b0007b416f81

gyp/core.gypi

@@ -86,6 +86,7 @@
         '<(skia_src_path)/core/SkGlyphCache.h',
         '<(skia_src_path)/core/SkGraphics.cpp',
         '<(skia_src_path)/core/SkInstCnt.cpp',
+        '<(skia_src_path)/core/SkImageFilter.cpp',
         '<(skia_src_path)/core/SkLineClipper.cpp',
         '<(skia_src_path)/core/SkMallocPixelRef.cpp',
         '<(skia_src_path)/core/SkMask.cpp',
@@ -191,6 +192,7 @@
         '<(skia_include_path)/core/SkFontHost.h',
         '<(skia_include_path)/core/SkGeometry.h',
         '<(skia_include_path)/core/SkGraphics.h',
+        '<(skia_include_path)/core/SkImageFilter.h',
         '<(skia_include_path)/core/SkInstCnt.h',
         '<(skia_include_path)/core/SkMallocPixelRef.h',
         '<(skia_include_path)/core/SkMask.h',

include/core/SkImageFilter.h

@@ -9,14 +9,12 @@
 #define SkImageFilter_DEFINED
 
 #include "SkFlattenable.h"
-#include "SkSize.h"
 
 class SkBitmap;
 class SkDevice;
 class SkMatrix;
 struct SkIPoint;
 struct SkIRect;
-struct SkPoint;
 struct SkRect;
 class GrCustomStage;
 class GrTexture;

include/effects/SkBlurImageFilter.h

@@ -10,6 +10,7 @@
 #define SkBlurImageFilter_DEFINED
 
 #include "SkSingleInputImageFilter.h"
+#include "SkSize.h"
 
 class SK_API SkBlurImageFilter : public SkSingleInputImageFilter {
 public:

include/effects/SkMorphologyImageFilter.h

@@ -10,6 +10,7 @@
 #define SkMorphologyImageFilter_DEFINED
 
 #include "SkSingleInputImageFilter.h"
+#include "SkSize.h"
 
 class SK_API SkMorphologyImageFilter : public SkSingleInputImageFilter {
 public:

src/core/SkImageFilter.cpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2012 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkImageFilter.h"
+#include "SkRect.h"
+
+SK_DEFINE_INST_COUNT(SkImageFilter)
+
+bool SkImageFilter::filterImage(Proxy* proxy, const SkBitmap& src,
+                                const SkMatrix& ctm,
+                                SkBitmap* result, SkIPoint* loc) {
+    SkASSERT(result);
+    SkASSERT(loc);
+    /*
+     *  Give the proxy first shot at the filter. If it returns false, ask
+     *  the filter to do it.
+     */
+    return (proxy && proxy->filterImage(this, src, ctm, result, loc)) ||
+           this->onFilterImage(proxy, src, ctm, result, loc);
+}
+
+bool SkImageFilter::filterBounds(const SkIRect& src, const SkMatrix& ctm,
+                                 SkIRect* dst) {
+    SkASSERT(&src);
+    SkASSERT(dst);
+    return this->onFilterBounds(src, ctm, dst);
+}
+
+bool SkImageFilter::onFilterImage(Proxy*, const SkBitmap&, const SkMatrix&,
+                                  SkBitmap*, SkIPoint*) {
+    return false;
+}
+
+bool SkImageFilter::canFilterImageGPU() const {
+    return false;
+}
+
+GrTexture* SkImageFilter::onFilterImageGPU(GrTexture* texture, const SkRect& rect) {
+    return NULL;
+}
+
+bool SkImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
+                                   SkIRect* dst) {
+    *dst = src;
+    return true;
+}
+
+bool SkImageFilter::asNewCustomStage(GrCustomStage**, GrTexture*) const {
+    return false;
+}

src/core/SkPaint.cpp

@@ -2304,53 +2304,6 @@ bool SkPaint::nothingToDraw() const {
 
 //////////// Move these to their own file soon.
 
-SK_DEFINE_INST_COUNT(SkImageFilter)
-
-bool SkImageFilter::filterImage(Proxy* proxy, const SkBitmap& src,
-                                const SkMatrix& ctm,
-                                SkBitmap* result, SkIPoint* loc) {
-    SkASSERT(result);
-    SkASSERT(loc);
-    /*
-     *  Give the proxy first shot at the filter. If it returns false, ask
-     *  the filter to do it.
-     */
-    return (proxy && proxy->filterImage(this, src, ctm, result, loc)) ||
-           this->onFilterImage(proxy, src, ctm, result, loc);
-}
-
-bool SkImageFilter::filterBounds(const SkIRect& src, const SkMatrix& ctm,
-                                 SkIRect* dst) {
-    SkASSERT(&src);
-    SkASSERT(dst);
-    return this->onFilterBounds(src, ctm, dst);
-}
-
-bool SkImageFilter::onFilterImage(Proxy*, const SkBitmap&, const SkMatrix&,
-                                  SkBitmap*, SkIPoint*) {
-    return false;
-}
-
-bool SkImageFilter::canFilterImageGPU() const {
-    return false;
-}
-
-GrTexture* SkImageFilter::onFilterImageGPU(GrTexture* texture, const SkRect& rect) {
-    return NULL;
-}
-
-bool SkImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
-                                   SkIRect* dst) {
-    *dst = src;
-    return true;
-}
-
-bool SkImageFilter::asNewCustomStage(GrCustomStage**, GrTexture*) const {
-    return false;
-}
-
-////////////////////
-
 SK_DEFINE_INST_COUNT(SkDrawLooper)
 
 bool SkDrawLooper::canComputeFastBounds(const SkPaint& paint) {