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 "WebFontFamily.h" 36 #include "WebFontRenderStyle.h" 37 38 #include <string.h> 39 #include <unistd.h> 40 41 namespace blink { 42 43 class WebFontInfo { 44 public: 45 // Set a global preference describing whether renderStyleForStrike() should 46 // enable subpixel positioning or not. FontConfig doesn't currently provide 47 // a parameter for controlling this. 48 BLINK_EXPORT static void setSubpixelPositioning(bool); 49 50 // Return a font family which provides a glyph for the Unicode code point 51 // specified by character. 52 // character: a UTF-32 code point 53 // preferredLocale: preferred locale identifier for the |characters| 54 // (e.g. "en", "ja", "zh-CN") 55 // 56 // Returns: the font family or an empty string if the request could not be satisfied. 57 // Returns: the font family instance. The instance has an empty font name if the request could not be satisfied. 58 BLINK_EXPORT static void familyForChar(const WebUChar32 character, const char* preferredLocale, WebFontFamily*); 59 60 // Fill out the given WebFontRenderStyle with the user's preferences for 61 // rendering the given font at the given size (in pixels). 62 // family: i.e. "Times New Roman" 63 // sizeAndStyle: 64 // 3322222222221111111111 65 // 10987654321098765432109876543210 66 // +--------------------------------+ 67 // |..............Size............IB| 68 // +--------------------------------+ 69 // I: italic flag 70 // B: bold flag 71 BLINK_EXPORT static void renderStyleForStrike(const char* family, int sizeAndStyle, WebFontRenderStyle* result); 72 }; 73 74 } // namespace blink 75 76 #endif 77