It is time.

ui/views/controls/menu/menu_image_util.cc

-// Copyright (c) 2012 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 "ui/views/controls/menu/menu_image_util.h"
-
-#include "base/i18n/rtl.h"
-#include "base/logging.h"
-#include "third_party/skia/include/effects/SkGradientShader.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/image/canvas_image_source.h"
-#include "ui/gfx/image/image.h"
-#include "ui/gfx/image/image_skia.h"
-#include "ui/gfx/image/image_skia_source.h"
-#include "ui/gfx/point.h"
-#include "ui/gfx/size.h"
-#include "ui/resources/grit/ui_resources.h"
-
-namespace {
-
-// Size of the radio button inciator.
-const int kSelectedIndicatorSize = 5;
-const int kIndicatorSize = 10;
-
-// Used for the radio indicator. See theme_draw for details.
-const double kGradientStop = .5;
-const SkColor kGradient0 = SkColorSetRGB(255, 255, 255);
-const SkColor kGradient1 = SkColorSetRGB(255, 255, 255);
-const SkColor kGradient2 = SkColorSetRGB(0xD8, 0xD8, 0xD8);
-const SkColor kBaseStroke = SkColorSetRGB(0x8F, 0x8F, 0x8F);
-const SkColor kRadioButtonIndicatorGradient0 = SkColorSetRGB(0, 0, 0);
-const SkColor kRadioButtonIndicatorGradient1 = SkColorSetRGB(0x83, 0x83, 0x83);
-const SkColor kIndicatorStroke = SkColorSetRGB(0, 0, 0);
-
-class RadioButtonImageSource : public gfx::CanvasImageSource {
- public:
-  explicit RadioButtonImageSource(bool selected)
-      : CanvasImageSource(gfx::Size(kIndicatorSize + 2, kIndicatorSize + 2),
-                          false),
-        selected_(selected) {
-  }
-  virtual ~RadioButtonImageSource() {}
-
-  virtual void Draw(gfx::Canvas* canvas) override {
-    canvas->Translate(gfx::Vector2d(1, 1));
-
-    SkPoint gradient_points[3];
-    gradient_points[0].iset(0, 0);
-    gradient_points[1].iset(0,
-                            static_cast<int>(kIndicatorSize * kGradientStop));
-    gradient_points[2].iset(0, kIndicatorSize);
-    SkColor gradient_colors[3] = { kGradient0, kGradient1, kGradient2 };
-    skia::RefPtr<SkShader> shader = skia::AdoptRef(
-        SkGradientShader::CreateLinear(
-            gradient_points, gradient_colors, NULL, arraysize(gradient_points),
-            SkShader::kClamp_TileMode));
-    SkPaint paint;
-    paint.setStyle(SkPaint::kFill_Style);
-    paint.setAntiAlias(true);
-    paint.setShader(shader.get());
-    int radius = kIndicatorSize / 2;
-    canvas->sk_canvas()->drawCircle(radius, radius, radius, paint);
-    paint.setStrokeWidth(SkIntToScalar(0));
-    paint.setShader(NULL);
-    paint.setStyle(SkPaint::kStroke_Style);
-    paint.setColor(kBaseStroke);
-    canvas->sk_canvas()->drawCircle(radius, radius, radius, paint);
-
-    if (selected_) {
-      SkPoint selected_gradient_points[2];
-      selected_gradient_points[0].iset(0, 0);
-      selected_gradient_points[1].iset(0, kSelectedIndicatorSize);
-      SkColor selected_gradient_colors[2] = { kRadioButtonIndicatorGradient0,
-                                              kRadioButtonIndicatorGradient1 };
-      shader = skia::AdoptRef(
-          SkGradientShader::CreateLinear(
-              selected_gradient_points, selected_gradient_colors, NULL,
-              arraysize(selected_gradient_points), SkShader::kClamp_TileMode));
-      paint.setShader(shader.get());
-      paint.setStyle(SkPaint::kFill_Style);
-      canvas->sk_canvas()->drawCircle(radius, radius,
-                                      kSelectedIndicatorSize / 2, paint);
-
-      paint.setStrokeWidth(SkIntToScalar(0));
-      paint.setShader(NULL);
-      paint.setStyle(SkPaint::kStroke_Style);
-      paint.setColor(kIndicatorStroke);
-      canvas->sk_canvas()->drawCircle(radius, radius,
-                                      kSelectedIndicatorSize / 2, paint);
-    }
-  }
-
- private:
-  bool selected_;
-
-  DISALLOW_COPY_AND_ASSIGN(RadioButtonImageSource);
-};
-
-class SubmenuArrowImageSource : public gfx::CanvasImageSource {
- public:
-  SubmenuArrowImageSource(int image_id)
-      : gfx::CanvasImageSource(ui::ResourceBundle::GetSharedInstance().
-            GetImageNamed(image_id).ToImageSkia()->size(), false),
-        image_id_(image_id) {}
-  virtual ~SubmenuArrowImageSource() {}
-
-  virtual void Draw(gfx::Canvas* canvas) override {
-    ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
-    const gfx::ImageSkia* r = rb.GetImageNamed(image_id_).ToImageSkia();
-    canvas->Scale(-1, 1);
-    canvas->DrawImageInt(*r, - r->width(), 0);
-  }
-
- private:
-  static gfx::Size GetSubmenuArrowSize() {
-    return ui::ResourceBundle::GetSharedInstance()
-        .GetImageNamed(IDR_MENU_HIERARCHY_ARROW).ToImageSkia()->size();
-  }
-
-  int image_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(SubmenuArrowImageSource);
-};
-
-gfx::ImageSkia GetRtlSubmenuArrowImage(bool rtl,
-                                       bool dark_background) {
-  int image_id = dark_background ? IDR_MENU_HIERARCHY_ARROW_DARK_BACKGROUND :
-                                   IDR_MENU_HIERARCHY_ARROW;
-
-  if (!rtl) {
-    return ui::ResourceBundle::GetSharedInstance().GetImageNamed(image_id).
-        AsImageSkia();
-  }
-
-  static gfx::ImageSkia* kRtlArrow = NULL;
-  static gfx::ImageSkia* kRtlArrowDarkBg = NULL;
-  gfx::ImageSkia** image = dark_background ? &kRtlArrowDarkBg : &kRtlArrow;
-
-  if (!*image) {
-    SubmenuArrowImageSource* source = new SubmenuArrowImageSource(image_id);
-    *image = new gfx::ImageSkia(source, source->size());
-  }
-
-  return **image;
-}
-
-}  // namespace
-
-namespace views {
-
-gfx::ImageSkia GetMenuCheckImage(bool dark_background) {
-  int image_id = dark_background ? IDR_MENU_CHECK_CHECKED_DARK_BACKGROUND :
-                                   IDR_MENU_CHECK_CHECKED;
-  return ui::ResourceBundle::GetSharedInstance().GetImageNamed(image_id).
-      AsImageSkia();
-}
-
-gfx::ImageSkia GetRadioButtonImage(bool selected) {
-  int image_id = selected ? IDR_MENU_RADIO_SELECTED : IDR_MENU_RADIO_EMPTY;
-  return ui::ResourceBundle::GetSharedInstance().GetImageNamed(image_id).
-      AsImageSkia();
-}
-
-gfx::ImageSkia GetSubmenuArrowImage(bool dark_background) {
-  return GetRtlSubmenuArrowImage(base::i18n::IsRTL(), dark_background);
-}
-
-}  // namespace views