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/* -*- 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
}
}
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