15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 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 <stdio.h> 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/completion_callback.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/graphics_2d.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/image_data.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/instance.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/module.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/rect.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/size.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/cpp/trusted/browser_font_trusted.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void DummyCompletionCallback(void* /*user_data*/, int32_t /*result*/) { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MyInstance : public pp::Instance { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MyInstance(PP_Instance instance) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : pp::Instance(instance) { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void DidChangeView(const pp::Rect& position, const pp::Rect& clip) { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (position.size() == last_size_) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_size_ = position.size(); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::ImageData image(this, PP_IMAGEDATAFORMAT_BGRA_PREMUL, last_size_, true); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Graphics2D graphics(this, last_size_, false); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BindGraphics(graphics); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFontDescription desc; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) desc.set_family(PP_BROWSERFONT_TRUSTED_FAMILY_SANSSERIF); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) desc.set_size(100); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFont_Trusted font(this, desc); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Draw some large, alpha blended text, including Arabic shaping. 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Rect text_clip(position.size()); // Use entire bounds for clip. 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) font.DrawTextAt(&image, 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFontTextRun( 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "\xD9\x85\xD8\xB1\xD8\xAD\xD8\xA8\xD8\xA7\xE2\x80\x8E", true, true), 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Point(20, 100), 0x80008000, clip, false); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Draw the default font names and sizes. 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int y = 160; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFontDescription desc; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFont_Trusted default_font(this, desc); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default_font.DrawSimpleText( 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &image, DescribeFont(default_font, "Default font"), 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Point(10, y), 0xFF000000); 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) y += 20; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFontDescription desc; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) desc.set_family(PP_BROWSERFONT_TRUSTED_FAMILY_SERIF); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFont_Trusted serif_font(this, desc); 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) serif_font.DrawSimpleText( 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &image, DescribeFont(serif_font, "Serif font"), 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Point(10, y), 0xFF000000); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) y += 20; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFontDescription desc; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) desc.set_family(PP_BROWSERFONT_TRUSTED_FAMILY_SANSSERIF); 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFont_Trusted sans_serif_font(this, desc); 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sans_serif_font.DrawSimpleText( 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &image, DescribeFont(sans_serif_font, "Sans serif font"), 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Point(10, y), 0xFF000000); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) y += 20; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFontDescription desc; 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) desc.set_family(PP_BROWSERFONT_TRUSTED_FAMILY_MONOSPACE); 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFont_Trusted monospace_font(this, desc); 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) monospace_font.DrawSimpleText( 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &image, DescribeFont(monospace_font, "Monospace font"), 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Point(10, y), 0xFF000000); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) y += 20; 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) graphics.PaintImageData(image, pp::Point(0, 0)); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) graphics.Flush(pp::CompletionCallback(&DummyCompletionCallback, NULL)); 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns a string describing the given font, using the given title. 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string DescribeFont(const pp::BrowserFont_Trusted& font, 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const char* title) { 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::BrowserFontDescription desc; 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PP_BrowserFont_Trusted_Metrics metrics; 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) font.Describe(&desc, &metrics); 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) char buf[256]; 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sprintf(buf, "%s = %s %dpt", 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) title, desc.face().AsString().c_str(), desc.size()); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return std::string(buf); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pp::Size last_size_; 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class MyModule : public pp::Module { 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual pp::Instance* CreateInstance(PP_Instance instance) { 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new MyInstance(instance); 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace pp { 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Factory function for your specialization of the Module object. 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Module* CreateModule() { 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return new MyModule(); 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace pp 120