ozone: Plumb animated cursors from CursorLoaderOzone to CursorFactoryOzone

ui/base/cursor/cursor_util.cc

 // Copyright 2014 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/base/cursor/cursor_util.h"
 
 #include "base/logging.h"
 #include "skia/ext/image_operations.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/point_conversions.h"
 #include "ui/gfx/size_conversions.h"
 #include "ui/gfx/skbitmap_operations.h"
 #include "ui/gfx/skia_util.h"
 
 namespace ui {
 
 void ScaleAndRotateCursorBitmapAndHotpoint(float scale,
                                            gfx::Display::Rotation rotation,
                                            SkBitmap* bitmap,
@@ skipping 31 matching lines @@
       gfx::ScaleSize(gfx::Size(bitmap->width(), bitmap->height()), scale));
 
   *bitmap = skia::ImageOperations::Resize(
       *bitmap,
       skia::ImageOperations::RESIZE_BETTER,
       scaled_size.width(),
       scaled_size.height());
   *hotpoint = gfx::ToFlooredPoint(gfx::ScalePoint(*hotpoint, scale));
 }
 
+void GetImageCursorBitmap(int resource_id,
+                          float scale,
+                          gfx::Display::Rotation rotation,
+                          gfx::Point* hotspot,
+                          SkBitmap* bitmap) {
+  const gfx::ImageSkia* image =
+      ResourceBundle::GetSharedInstance().GetImageSkiaNamed(resource_id);
+  const gfx::ImageSkiaRep& image_rep = image->GetRepresentation(scale);
+  // TODO(oshima): The cursor should use resource scale factor when
+  // fractional scale factor is enabled. crbug.com/372212
+  (*bitmap) = image_rep.sk_bitmap();
+  ScaleAndRotateCursorBitmapAndHotpoint(
+      scale / image_rep.scale(), rotation, bitmap, hotspot);
+  // |image_rep| is owned by the resource bundle. So we do not need to free it.
+}
+
+void GetAnimatedCursorBitmaps(int resource_id,
+                              float scale,
+                              gfx::Display::Rotation rotation,
+                              gfx::Point* hotspot,
+                              std::vector<SkBitmap>* bitmaps) {
+  // TODO(oshima|tdanderson): Support rotation and fractional scale factor.
+  const gfx::ImageSkia* image =
+      ResourceBundle::GetSharedInstance().GetImageSkiaNamed(resource_id);
+  const gfx::ImageSkiaRep& image_rep = image->GetRepresentation(scale);
+  SkBitmap bitmap = image_rep.sk_bitmap();
+  int frame_width = bitmap.height();
+  int frame_height = frame_width;
+  int total_width = bitmap.width();
+  DCHECK_EQ(total_width % frame_width, 0);
+  int frame_count = total_width / frame_width;
+  DCHECK_GT(frame_count, 0);
+
+  bitmaps->resize(frame_count);
+
+  for (int frame = 0; frame < frame_count; ++frame) {
+    int x_offset = frame_width * frame;
+    DCHECK_LE(x_offset + frame_width, total_width);
+
+    SkBitmap cropped = SkBitmapOperations::CreateTiledBitmap(
+        bitmap, x_offset, 0, frame_width, frame_height);
+    DCHECK_EQ(frame_width, cropped.width());
+    DCHECK_EQ(frame_height, cropped.height());
+
+    (*bitmaps)[frame] = cropped;
+  }
+}
+
 }  // namespace ui