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 "ppapi/cpp/graphics_2d.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/image_data.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/instance.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/logging.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/module.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/private/flash.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/rect.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/size.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/utility/completion_callback_factory.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int32_t kTimerInterval = 200; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MyInstance : public pp::Instance { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit MyInstance(PP_Instance instance) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : pp::Instance(instance), 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) callback_factory_(this), 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_paint_(false), 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) waiting_for_flush_completion_(false) { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~MyInstance() { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool Init(uint32_t argc, const char* argn[], const char* argv[]) { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScheduleNextTimer(); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DidChangeView(const pp::Rect& position, const pp::Rect& clip) { 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (position.size() != size_) { 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_ = position.size(); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) device_context_ = pp::Graphics2D(this, size_, false); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!BindGraphics(device_context_)) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Paint(); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void ScheduleNextTimer() { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Module::Get()->core()->CallOnMainThread( 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kTimerInterval, 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) callback_factory_.NewCallback(&MyInstance::OnTimer), 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnTimer(int32_t) { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScheduleNextTimer(); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Paint(); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void DidFlush(int32_t result) { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) waiting_for_flush_completion_ = false; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_paint_) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Paint(); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Paint() { 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (waiting_for_flush_completion_) { 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_paint_ = true; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_paint_ = false; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size_.IsEmpty()) 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; // Nothing to do. 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::ImageData image = PaintImage(size_); 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!image.is_null()) { 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) device_context_.ReplaceContents(&image); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) waiting_for_flush_completion_ = true; 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) device_context_.Flush( 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) callback_factory_.NewCallback(&MyInstance::DidFlush)); 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::ImageData PaintImage(const pp::Size& size) { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::ImageData image(this, PP_IMAGEDATAFORMAT_BGRA_PREMUL, size, false); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (image.is_null()) 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return image; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Rect rect(size.width() / 8, size.height() / 4, 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3 * size.width() / 4, size.height() / 2); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32_t fill_color = pp::flash::Flash::IsRectTopmost(this, rect) ? 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 0xff00ff00 : 0xffff0000; 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int y = 0; y < size.height(); y++) { 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int x = 0; x < size.width(); x++) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *image.GetAddr32(pp::Point(x, y)) = fill_color; 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int x = rect.x(); x < rect.x() + rect.width(); x++) { 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *image.GetAddr32(pp::Point(x, rect.y())) = 0xff202020; 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *image.GetAddr32(pp::Point(x, rect.y() + rect.height() - 1)) = 0xff202020; 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int y = rect.y(); y < rect.y() + rect.height(); y++) { 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *image.GetAddr32(pp::Point(rect.x(), y)) = 0xff202020; 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *image.GetAddr32(pp::Point(rect.x() + rect.width() - 1, y)) = 0xff202020; 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return image; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::CompletionCallbackFactory<MyInstance> callback_factory_; 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Painting stuff. 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Size size_; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Graphics2D device_context_; 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool pending_paint_; 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool waiting_for_flush_completion_; 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MyModule : public pp::Module { 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual pp::Instance* CreateInstance(PP_Instance instance) { 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new MyInstance(instance); 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace pp { 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Factory function for your specialization of the Module object. 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Module* CreateModule() { 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new MyModule(); 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace pp 134