1 /* Copyright (c) 2010, Google Inc. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above 10 * copyright notice, this list of conditions and the following disclaimer 11 * in the documentation and/or other materials provided with the 12 * distribution. 13 * * Neither the name of Google Inc. nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef FontRenderStyle_h 31 #define FontRenderStyle_h 32 33 namespace WebCore { 34 35 // FontRenderStyle describes the user's preferences for rendering a font at a 36 // given size. 37 struct FontRenderStyle { 38 enum { 39 NoPreference = 2, 40 }; 41 42 FontRenderStyle() 43 : useBitmaps(0), 44 useAutoHint(0), 45 useHinting(0), 46 hintStyle(0), 47 useAntiAlias(0), 48 useSubpixel(0) { } 49 50 bool operator==(const FontRenderStyle& a) const 51 { 52 return useBitmaps == a.useBitmaps 53 && useAutoHint == a.useAutoHint 54 && useHinting == a.useHinting 55 && hintStyle == a.hintStyle 56 && useAntiAlias == a.useAntiAlias 57 && useSubpixel == a.useSubpixel; 58 } 59 60 // Each of the use* members below can take one of three values: 61 // 0: off 62 // 1: on 63 // NoPreference: no preference expressed 64 char useBitmaps; // use embedded bitmap strike if possible 65 char useAutoHint; // use 'auto' hinting (FreeType specific) 66 char useHinting; // hint glyphs to the pixel grid 67 char hintStyle; // level of hinting, 0..3 68 char useAntiAlias; // antialias glyph shapes 69 char useSubpixel; // use subpixel antialias 70 }; 71 72 } 73 74 #endif // FontRenderStyle_h 75