/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "ScaledFontWin.h" #include "AutoHelpersWin.h" #include "Logging.h" #include "nsString.h" #ifdef USE_SKIA #include "skia/include/ports/SkTypeface_win.h" #endif #ifdef USE_CAIRO_SCALED_FONT #include "cairo-win32.h" #endif #include "HelpersWinFonts.h" namespace mozilla { namespace gfx { ScaledFontWin::ScaledFontWin(const LOGFONT* aFont, Float aSize) : ScaledFontBase(aSize) , mLogFont(*aFont) { } bool ScaledFontWin::GetFontFileData(FontFileDataOutput aDataCallback, void *aBaton) { AutoDC dc; AutoSelectFont font(dc.GetDC(), &mLogFont); // Check for a font collection first. uint32_t table = 0x66637474; // 'ttcf' uint32_t tableSize = ::GetFontData(dc.GetDC(), table, 0, nullptr, 0); if (tableSize == GDI_ERROR) { // Try as if just a single font. table = 0; tableSize = ::GetFontData(dc.GetDC(), table, 0, nullptr, 0); if (tableSize == GDI_ERROR) { return false; } } UniquePtr<uint8_t[]> fontData(new uint8_t[tableSize]); uint32_t sizeGot = ::GetFontData(dc.GetDC(), table, 0, fontData.get(), tableSize); if (sizeGot != tableSize) { return false; } aDataCallback(fontData.get(), tableSize, 0, mSize, aBaton); return true; } bool ScaledFontWin::GetFontInstanceData(FontInstanceDataOutput aCb, void* aBaton) { aCb(reinterpret_cast<uint8_t*>(&mLogFont), sizeof(mLogFont), aBaton); return true; } bool ScaledFontWin::GetFontDescriptor(FontDescriptorOutput aCb, void* aBaton) { aCb(reinterpret_cast<uint8_t*>(&mLogFont), sizeof(mLogFont), mSize, aBaton); return true; } AntialiasMode ScaledFontWin::GetDefaultAAMode() { return GetSystemDefaultAAMode(); } #ifdef USE_SKIA SkTypeface* ScaledFontWin::GetSkTypeface() { if (!mTypeface) { mTypeface = SkCreateTypefaceFromLOGFONT(mLogFont); } return mTypeface; } #endif #ifdef USE_CAIRO_SCALED_FONT cairo_font_face_t* ScaledFontWin::GetCairoFontFace() { if (mLogFont.lfFaceName[0] == 0) { return nullptr; } return cairo_win32_font_face_create_for_logfontw(&mLogFont); } #endif } }