15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_BACKING_STORE_H__ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_BACKING_STORE_H__ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <vector> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/skia/include/core/SkBitmap.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/size.h" 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/gfx/vector2d.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SkCanvas; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class TransportDIB; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gfx { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Canvas; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Point; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Rect; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The BrowserPluginBackingStore is a wrapper around an SkBitmap that is used 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in the software rendering path of the browser plugin. The backing store has 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// two write operations: 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1. PaintToBackingStore copies pixel regions to the bitmap. 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 2. ScrollBackingStore scrolls a region of the bitmap by dx, and dy. 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// These are called in response to changes in the guest relayed via 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// BrowserPluginMsg_UpdateRect. See BrowserPlugin::UpdateRect. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class BrowserPluginBackingStore { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserPluginBackingStore(const gfx::Size& size, float scale_factor); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~BrowserPluginBackingStore(); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void PaintToBackingStore( 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Rect& bitmap_rect, 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::vector<gfx::Rect>& copy_rects, 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void* bitmap); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void ScrollBackingStore(const gfx::Vector2d& delta, 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Rect& clip_rect, 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& view_size); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Clear(SkColor clear_color); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Size& GetSize() const { return size_; } 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const SkBitmap& GetBitmap() const { return bitmap_; } 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float GetScaleFactor() const { return scale_factor_; } 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Size size_; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkBitmap bitmap_; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<SkCanvas> canvas_; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) float scale_factor_; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(BrowserPluginBackingStore); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_BACKING_STORE_H__ 67