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
36namespace blink {
37
38struct FontRenderStyle;
39
40struct 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
64