third_party/WebKit/public/platform/linux/WebFontRenderStyle.h

   1 /*
   2  * Copyright (C) 2010 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 WebFontRenderStyle_h
  32 #define WebFontRenderStyle_h
  33
  34 #include "../WebCommon.h"
  35
  36 namespace blink {
  37
  38 struct FontRenderStyle;
  39
  40 struct BLINK_EXPORT WebFontRenderStyle {
  41     // Each of the use* members below can take one of three values:
  42     //   0: off
  43     //   1: on
  44     //   2: no preference expressed
  45     char useBitmaps; // use embedded bitmap strike if possible
  46     char useAutoHint; // use 'auto' hinting (FreeType specific)
  47     char useHinting; // hint glyphs to the pixel grid
  48     char hintStyle; // level of hinting, 0..3
  49     char useAntiAlias; // antialias glyph shapes
  50     char useSubpixelRendering; // use subpixel rendering (partially-filled pixels)
  51     char useSubpixelPositioning; // use subpixel positioning (fractional X positions for glyphs)
  52
  53 #if BLINK_IMPLEMENTATION || BLINK_PLATFORM_IMPLEMENTATION
  54     // Translates the members of this struct to a FontRenderStyle
  55     void toFontRenderStyle(FontRenderStyle*);
  56 #endif
  57
  58     void setDefaults();
  59 };
  60
  61 } // namespace blink
  62
  63 #endif // WebFontRenderStyle_h