1 /* 2 * This file is part of the internal font implementation. It should not be included by anyone other than 3 * FontMac.cpp, FontWin.cpp and Font.cpp. 4 * 5 * Copyright (C) 2006, 2007, 2008 Apple Inc. 6 * Copyright (C) 2008 Brent Fulgham 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 * 23 */ 24 25 #include "config.h" 26 #include "FontPlatformData.h" 27 28 #include "PlatformString.h" 29 #include <wtf/HashMap.h> 30 #include <wtf/RetainPtr.h> 31 #include <wtf/Vector.h> 32 #include <wtf/text/StringHash.h> 33 34 using std::min; 35 36 namespace WebCore { 37 38 FontPlatformData::FontPlatformData(HFONT font, float size, bool bold, bool oblique, bool useGDI) 39 : m_font(RefCountedGDIHandle<HFONT>::create(font)) 40 , m_size(size) 41 , m_orientation(Horizontal) 42 , m_textOrientation(TextOrientationVerticalRight) 43 , m_widthVariant(RegularWidth) 44 #if USE(CG) 45 , m_cgFont(0) 46 #elif USE(CAIRO) 47 , m_scaledFont(0) 48 #endif 49 , m_isColorBitmapFont(false) 50 , m_syntheticBold(bold) 51 , m_syntheticOblique(oblique) 52 , m_useGDI(useGDI) 53 { 54 HDC hdc = GetDC(0); 55 SaveDC(hdc); 56 57 SelectObject(hdc, font); 58 UINT bufferSize = GetOutlineTextMetrics(hdc, 0, NULL); 59 60 ASSERT_WITH_MESSAGE(bufferSize, "Bitmap fonts not supported with CoreGraphics."); 61 62 if (bufferSize) { 63 OUTLINETEXTMETRICW* metrics = (OUTLINETEXTMETRICW*)malloc(bufferSize); 64 65 GetOutlineTextMetricsW(hdc, bufferSize, metrics); 66 WCHAR* faceName = (WCHAR*)((uintptr_t)metrics + (uintptr_t)metrics->otmpFaceName); 67 68 platformDataInit(font, size, hdc, faceName); 69 70 free(metrics); 71 } 72 73 RestoreDC(hdc, -1); 74 ReleaseDC(0, hdc); 75 } 76 77 #ifndef NDEBUG 78 String FontPlatformData::description() const 79 { 80 return String(); 81 } 82 #endif 83 84 } 85