Move convolver, image_operations, and skia_utils from base/gfx to skia/ext....

base/gfx/skia_utils_mac.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/gfx/skia_utils_mac.h"
-
-#include "base/logging.h"
-#include "SkMatrix.h"
-#include "SkRect.h"
-
-namespace gfx {
-
-CGAffineTransform SkMatrixToCGAffineTransform(const SkMatrix& matrix) {
-  // CGAffineTransforms don't support perspective transforms, so make sure
-  // we don't get those.
-  DCHECK(matrix[SkMatrix::kMPersp0] == 0.0f);
-  DCHECK(matrix[SkMatrix::kMPersp1] == 0.0f);
-  DCHECK(matrix[SkMatrix::kMPersp2] == 1.0f);
-  
-  return CGAffineTransformMake(matrix[SkMatrix::kMScaleX],
-                               matrix[SkMatrix::kMSkewY],
-                               matrix[SkMatrix::kMSkewX],
-                               matrix[SkMatrix::kMScaleY],
-                               matrix[SkMatrix::kMTransX],
-                               matrix[SkMatrix::kMTransY]);
-}
-  
-SkIRect CGRectToSkIRect(const CGRect& rect) {
-  SkIRect sk_rect = {
-    SkScalarRound(rect.origin.x),
-    SkScalarRound(rect.origin.y),
-    SkScalarRound(rect.origin.x + rect.size.width),
-    SkScalarRound(rect.origin.y + rect.size.height)
-  };
-  return sk_rect;
-}
-
-SkRect CGRectToSkRect(const CGRect& rect) {
-  SkRect sk_rect = {
-    rect.origin.x,
-    rect.origin.y,
-    rect.origin.x + rect.size.width,
-    rect.origin.y + rect.size.height,
-  };
-  return sk_rect;
-}
-  
-CGRect SkIRectToCGRect(const SkIRect& rect) {
-  CGRect cg_rect = {
-    { rect.fLeft, rect.fTop },
-    { rect.fRight - rect.fLeft, rect.fBottom - rect.fTop }
-  };
-  return cg_rect;
-} 
-
-CGRect SkRectToCGRect(const SkRect& rect) {
-  CGRect cg_rect = {
-    { rect.fLeft, rect.fTop },
-    { rect.fRight - rect.fLeft, rect.fBottom - rect.fTop }
-  };
-  return cg_rect;
-}
-
-// Converts CGColorRef to the ARGB layout Skia expects.
-SkColor CGColorRefToSkColor(CGColorRef color) {
-  DCHECK(CGColorGetNumberOfComponents(color) == 4);
-  const CGFloat *components = CGColorGetComponents(color);
-  return SkColorSetARGB(SkScalarRound(255.0 * components[3]), // alpha
-                        SkScalarRound(255.0 * components[0]), // red
-                        SkScalarRound(255.0 * components[1]), // green
-                        SkScalarRound(255.0 * components[2])); // blue
-}
-
-// Converts ARGB to CGColorRef.
-CGColorRef SkColorToCGColorRef(SkColor color) {
-  return CGColorCreateGenericRGB(SkColorGetR(color) / 255.0,
-                                 SkColorGetG(color) / 255.0,
-                                 SkColorGetB(color) / 255.0,
-                                 SkColorGetA(color) / 255.0);
-}
-
-}  // namespace gfx
-