| /* |
| * This file is part of the internal font implementation. It should not be included by anyone other than |
| * FontMac.cpp, FontWin.cpp and Font.cpp. |
| * |
| * Copyright (C) 2006-2008, 2016 Apple Inc. |
| * Copyright (C) 2007 Alp Toker |
| * Copyright (C) 2008, 2010, 2011 Brent Fulgham |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "FontPlatformData.h" |
| |
| #include <wtf/HashMap.h> |
| #include <wtf/RetainPtr.h> |
| #include <wtf/Vector.h> |
| #include <wtf/text/StringHash.h> |
| #include <wtf/text/WTFString.h> |
| |
| #include <cairo-win32.h> |
| |
| |
| namespace WebCore { |
| |
| void FontPlatformData::platformDataInit(HFONT font, float size, HDC hdc, WCHAR* faceName) |
| { |
| cairo_font_face_t* fontFace = cairo_win32_font_face_create_for_hfont(font); |
| |
| cairo_matrix_t sizeMatrix, ctm; |
| cairo_matrix_init_identity(&ctm); |
| cairo_matrix_init_scale(&sizeMatrix, size, size); |
| |
| static cairo_font_options_t* fontOptions = nullptr; |
| if (!fontOptions) { |
| fontOptions = cairo_font_options_create(); |
| cairo_font_options_set_antialias(fontOptions, CAIRO_ANTIALIAS_SUBPIXEL); |
| } |
| |
| m_scaledFont = adoptRef(cairo_scaled_font_create(fontFace, &sizeMatrix, &ctm, fontOptions)); |
| cairo_font_face_destroy(fontFace); |
| |
| if (!m_useGDI && m_size) |
| m_isSystemFont = !wcscmp(faceName, L"Lucida Grande"); |
| } |
| |
| FontPlatformData::FontPlatformData(GDIObject<HFONT> font, cairo_font_face_t* fontFace, float size, bool bold, bool oblique) |
| : m_font(SharedGDIObject<HFONT>::create(WTFMove(font))) |
| , m_size(size) |
| , m_syntheticOblique(oblique) |
| { |
| cairo_matrix_t fontMatrix; |
| cairo_matrix_init_scale(&fontMatrix, size, size); |
| cairo_matrix_t ctm; |
| cairo_matrix_init_identity(&ctm); |
| cairo_font_options_t* options = cairo_font_options_create(); |
| |
| // We force antialiasing and disable hinting to provide consistent |
| // typographic qualities for custom fonts on all platforms. |
| cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_NONE); |
| cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_BEST); |
| |
| if (syntheticOblique()) { |
| static const float syntheticObliqueSkew = -tanf(14 * acosf(0) / 90); |
| cairo_matrix_t skew = {1, 0, syntheticObliqueSkew, 1, 0, 0}; |
| cairo_matrix_multiply(&fontMatrix, &skew, &fontMatrix); |
| } |
| |
| m_scaledFont = adoptRef(cairo_scaled_font_create(fontFace, &fontMatrix, &ctm, options)); |
| cairo_font_options_destroy(options); |
| } |
| |
| unsigned FontPlatformData::hash() const |
| { |
| return PtrHash<cairo_scaled_font_t*>::hash(m_scaledFont.get()); |
| } |
| |
| bool FontPlatformData::platformIsEqual(const FontPlatformData& other) const |
| { |
| return m_font == other.m_font |
| && m_scaledFont == other.m_scaledFont |
| && m_useGDI == other.m_useGDI; |
| } |
| |
| } |