Home | History | Annotate | Download | only in chromium
      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