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e897fba434
Backed out changeset e0be4f5390fb (bug1321031) Backed out changeset ba071046f8ab (bug1321031) Backed out changeset 7cb4242dc636 (bug1321031) Backed out changeset bc58e479eb58 (bug1321031) Backed out changeset c551913ae892 (bug1321031) Backed out changeset f4ae57d5358f (bug1321031) CLOSED TREE
137 lines
3.4 KiB
C++
137 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ScaledFontWin.h"
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#include "AutoHelpersWin.h"
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#include "Logging.h"
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#include "nsString.h"
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#include "SFNTData.h"
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#ifdef USE_SKIA
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#include "skia/include/ports/SkTypeface_win.h"
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#endif
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#ifdef USE_CAIRO_SCALED_FONT
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#include "cairo-win32.h"
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#endif
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#include "HelpersWinFonts.h"
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namespace mozilla {
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namespace gfx {
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ScaledFontWin::ScaledFontWin(LOGFONT* aFont, Float aSize)
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: ScaledFontBase(aSize)
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, mLogFont(*aFont)
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{
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}
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bool
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ScaledFontWin::GetFontFileData(FontFileDataOutput aDataCallback, void *aBaton)
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{
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AutoDC dc;
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AutoSelectFont font(dc.GetDC(), &mLogFont);
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// Check for a font collection first.
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uint32_t table = 0x66637474; // 'ttcf'
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uint32_t tableSize = ::GetFontData(dc.GetDC(), table, 0, nullptr, 0);
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if (tableSize == GDI_ERROR) {
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// Try as if just a single font.
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table = 0;
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tableSize = ::GetFontData(dc.GetDC(), table, 0, nullptr, 0);
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if (tableSize == GDI_ERROR) {
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return false;
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}
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}
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UniquePtr<uint8_t[]> fontData(new uint8_t[tableSize]);
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uint32_t sizeGot =
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::GetFontData(dc.GetDC(), table, 0, fontData.get(), tableSize);
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if (sizeGot != tableSize) {
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return false;
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}
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// If it's a font collection then attempt to get the index.
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uint32_t index = 0;
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if (table != 0) {
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UniquePtr<SFNTData> sfntData = SFNTData::Create(fontData.get(),
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tableSize);
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if (!sfntData) {
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gfxWarning() << "Failed to create SFNTData for GetFontFileData.";
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return false;
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}
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// We cast here because for VS2015 char16_t != wchar_t, even though they are
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// both 16 bit.
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if (!sfntData->GetIndexForU16Name(
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reinterpret_cast<char16_t*>(mLogFont.lfFaceName), &index, LF_FACESIZE - 1)) {
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gfxWarning() << "Failed to get index for face name.";
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gfxDevCrash(LogReason::GetFontFileDataFailed) <<
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"Failed to get index for face name |" <<
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NS_ConvertUTF16toUTF8(mLogFont.lfFaceName).get() << "|.";
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return false;
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}
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}
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aDataCallback(fontData.get(), tableSize, index, mSize, aBaton);
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return true;
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}
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bool
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ScaledFontWin::GetFontDescriptor(FontDescriptorOutput aCb, void* aBaton)
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{
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aCb(reinterpret_cast<uint8_t*>(&mLogFont), sizeof(mLogFont), mSize, aBaton);
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return true;
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}
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already_AddRefed<ScaledFont>
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ScaledFontWin::CreateFromFontDescriptor(const uint8_t* aData, uint32_t aDataLength, Float aSize)
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{
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NativeFont nativeFont;
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nativeFont.mType = NativeFontType::GDI_FONT_FACE;
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nativeFont.mFont = (void*)aData;
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RefPtr<ScaledFont> font =
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Factory::CreateScaledFontForNativeFont(nativeFont, aSize);
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#ifdef USE_CAIRO_SCALED_FONT
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static_cast<ScaledFontBase*>(font.get())->PopulateCairoScaledFont();
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#endif
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return font.forget();
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}
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AntialiasMode
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ScaledFontWin::GetDefaultAAMode()
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{
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return GetSystemDefaultAAMode();
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}
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#ifdef USE_SKIA
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SkTypeface* ScaledFontWin::GetSkTypeface()
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{
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if (!mTypeface) {
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mTypeface = SkCreateTypefaceFromLOGFONT(mLogFont);
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}
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return mTypeface;
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}
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#endif
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#ifdef USE_CAIRO_SCALED_FONT
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cairo_font_face_t*
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ScaledFontWin::GetCairoFontFace()
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{
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if (mLogFont.lfFaceName[0] == 0) {
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return nullptr;
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}
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return cairo_win32_font_face_create_for_logfontw(&mLogFont);
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}
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#endif
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}
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}
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