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)#include "base/basictypes.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/canvas.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/canvas_skia_paint.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/rect.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)namespace gfx { 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)CanvasSkiaPaint::CanvasSkiaPaint(HWND hwnd, HDC dc, const PAINTSTRUCT& ps) 14a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) : hwnd_(hwnd), 15a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) paint_dc_(dc) { 16a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) memset(&ps_, 0, sizeof(ps_)); 17a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ps_.rcPaint.left = ps.rcPaint.left; 18a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ps_.rcPaint.right = ps.rcPaint.right; 19a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ps_.rcPaint.top = ps.rcPaint.top; 20a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ps_.rcPaint.bottom = ps.rcPaint.bottom; 21a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) Init(true); 22a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 24a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)CanvasSkiaPaint::CanvasSkiaPaint(HDC dc, bool opaque, int x, int y, 25a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) int w, int h) 26a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) : hwnd_(NULL), 27a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) paint_dc_(dc) { 28a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) memset(&ps_, 0, sizeof(ps_)); 29a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ps_.rcPaint.left = x; 30a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ps_.rcPaint.right = x + w; 31a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ps_.rcPaint.top = y; 32a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ps_.rcPaint.bottom = y + h; 33a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) Init(opaque); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 36a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)CanvasSkiaPaint::~CanvasSkiaPaint() { 37a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (!is_empty()) { 38a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) skia::PlatformCanvas* canvas = platform_canvas(); 39a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) canvas->restoreToCount(1); 40a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // Commit the drawing to the screen 41a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) skia::DrawToNativeContext(canvas, paint_dc_, ps_.rcPaint.left, 42a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ps_.rcPaint.top, NULL); 43a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 46a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)gfx::Rect CanvasSkiaPaint::GetInvalidRect() const { 47a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return gfx::Rect(paint_struct().rcPaint); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 50a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)void CanvasSkiaPaint::Init(bool opaque) { 51a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // FIXME(brettw) for ClearType, we probably want to expand the bounds of 52a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // painting by one pixel so that the boundaries will be correct (ClearType 53a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // text can depend on the adjacent pixel). Then we would paint just the 54a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // inset pixels to the screen. 55a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) const int width = ps_.rcPaint.right - ps_.rcPaint.left; 56a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) const int height = ps_.rcPaint.bottom - ps_.rcPaint.top; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 58a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) RecreateBackingCanvas(gfx::Size(width, height), 5968043e1e95eeb07d5cae7aca370b26518b0867d6Torne (Richard Coles) gfx::win::GetDeviceScaleFactor(), 60a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) opaque); 61a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) skia::PlatformCanvas* canvas = platform_canvas(); 62a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 63a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) canvas->clear(SkColorSetARGB(0, 0, 0, 0)); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 65a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // This will bring the canvas into the screen coordinate system for the 66a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // dirty rect 67a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) canvas->translate( 6858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) -ps_.rcPaint.left / gfx::win::GetDeviceScaleFactor(), 6958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) -ps_.rcPaint.top / gfx::win::GetDeviceScaleFactor()); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gfx 73