1 /* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WebFontInfo_h 32 #define WebFontInfo_h 33 34 #include "../WebCString.h" 35 #include "WebFallbackFont.h" 36 #include "WebFontFamily.h" 37 #include "WebFontRenderStyle.h" 38 39 #include <string.h> 40 #include <unistd.h> 41 42 namespace blink { 43 44 class WebFontInfo { 45 public: 46 // Set a global preference describing whether renderStyleForStrike() should 47 // enable subpixel positioning or not. FontConfig doesn't currently provide 48 // a parameter for controlling this. 49 BLINK_EXPORT static void setSubpixelPositioning(bool); 50 51 // Return a font family which provides a glyph for the Unicode code point 52 // specified by character. 53 // character: a UTF-32 code point 54 // preferredLocale: preferred locale identifier for the |characters| 55 // (e.g. "en", "ja", "zh-CN") 56 // 57 // Returns: the font family or an empty string if the request could not be satisfied. 58 // Returns: the font family instance. The instance has an empty font name if the request could not be satisfied. 59 BLINK_EXPORT static void fallbackFontForChar(const WebUChar32 character, const char* preferredLocale, WebFallbackFont*); 60 61 // Fill out the given WebFontRenderStyle with the user's preferences for 62 // rendering the given font at the given size (in pixels). 63 // family: i.e. "Times New Roman" 64 // sizeAndStyle: 65 // 3322222222221111111111 66 // 10987654321098765432109876543210 67 // +--------------------------------+ 68 // |..............Size............IB| 69 // +--------------------------------+ 70 // I: italic flag 71 // B: bold flag 72 BLINK_EXPORT static void renderStyleForStrike(const char* family, int sizeAndStyle, WebFontRenderStyle* result); 73 }; 74 75 } // namespace blink 76 77 #endif 78