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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkFontDescriptor_DEFINED
#define SkFontDescriptor_DEFINED
#include "include/core/SkStream.h"
#include "include/core/SkString.h"
#include "include/core/SkTypeface.h"
#include "include/private/base/SkFixed.h"
#include "include/private/base/SkNoncopyable.h"
#include "include/private/base/SkTemplates.h"
class SkFontData {
public:
/** Makes a copy of the data in 'axis'. */
SkFontData(std::unique_ptr<SkStreamAsset> stream, int index, int paletteIndex,
const SkFixed* axis, int axisCount,
const SkFontArguments::Palette::Override* paletteOverrides, int paletteOverrideCount)
: fStream(std::move(stream))
, fIndex(index)
, fPaletteIndex(paletteIndex)
, fAxisCount(axisCount)
, fPaletteOverrideCount(paletteOverrideCount)
, fAxis(fAxisCount)
, fPaletteOverrides(fPaletteOverrideCount)
{
for (int i = 0; i < fAxisCount; ++i) {
fAxis[i] = axis[i];
}
for (int i = 0; i < fPaletteOverrideCount; ++i) {
fPaletteOverrides[i] = paletteOverrides[i];
}
}
SkFontData(const SkFontData& that)
: fStream(that.fStream->duplicate())
, fIndex(that.fIndex)
, fPaletteIndex(that.fPaletteIndex)
, fAxisCount(that.fAxisCount)
, fPaletteOverrideCount(that.fPaletteOverrideCount)
, fAxis(fAxisCount)
, fPaletteOverrides(fPaletteOverrideCount)
{
for (int i = 0; i < fAxisCount; ++i) {
fAxis[i] = that.fAxis[i];
}
for (int i = 0; i < fPaletteOverrideCount; ++i) {
fPaletteOverrides[i] = that.fPaletteOverrides[i];
}
}
bool hasStream() const { return fStream != nullptr; }
std::unique_ptr<SkStreamAsset> detachStream() { return std::move(fStream); }
SkStreamAsset* getStream() { return fStream.get(); }
SkStreamAsset const* getStream() const { return fStream.get(); }
int getIndex() const { return fIndex; }
int getAxisCount() const { return fAxisCount; }
const SkFixed* getAxis() const { return fAxis.get(); }
int getPaletteIndex() const { return fPaletteIndex; }
int getPaletteOverrideCount() const { return fPaletteOverrideCount; }
const SkFontArguments::Palette::Override* getPaletteOverrides() const {
return fPaletteOverrides.get();
}
private:
std::unique_ptr<SkStreamAsset> fStream;
int fIndex;
int fPaletteIndex;
int fAxisCount;
int fPaletteOverrideCount;
skia_private::AutoSTMalloc<4, SkFixed> fAxis;
skia_private::AutoSTMalloc<4, SkFontArguments::Palette::Override> fPaletteOverrides;
};
class SkFontDescriptor : SkNoncopyable {
public:
SkFontDescriptor();
// Does not affect ownership of SkStream.
static bool Deserialize(SkStream*, SkFontDescriptor* result);
void serialize(SkWStream*) const;
SkFontStyle getStyle() const { return fStyle; }
void setStyle(SkFontStyle style) { fStyle = style; }
const char* getFamilyName() const { return fFamilyName.c_str(); }
const char* getFullName() const { return fFullName.c_str(); }
const char* getPostscriptName() const { return fPostscriptName.c_str(); }
void setFamilyName(const char* name) { fFamilyName.set(name); }
void setFullName(const char* name) { fFullName.set(name); }
void setPostscriptName(const char* name) { fPostscriptName.set(name); }
bool hasStream() const { return bool(fStream); }
std::unique_ptr<SkStreamAsset> dupStream() const { return fStream->duplicate(); }
int getCollectionIndex() const { return fCollectionIndex; }
int getPaletteIndex() const { return fPaletteIndex; }
int getVariationCoordinateCount() const { return fCoordinateCount; }
const SkFontArguments::VariationPosition::Coordinate* getVariation() const {
return fVariation.get();
}
int getPaletteEntryOverrideCount() const { return fPaletteEntryOverrideCount; }
const SkFontArguments::Palette::Override* getPaletteEntryOverrides() const {
return fPaletteEntryOverrides.get();
}
SkTypeface::FactoryId getFactoryId() {
return fFactoryId;
}
std::unique_ptr<SkStreamAsset> detachStream() { return std::move(fStream); }
void setStream(std::unique_ptr<SkStreamAsset> stream) { fStream = std::move(stream); }
void setCollectionIndex(int collectionIndex) { fCollectionIndex = collectionIndex; }
void setPaletteIndex(int paletteIndex) { fPaletteIndex = paletteIndex; }
SkFontArguments::VariationPosition::Coordinate* setVariationCoordinates(int coordinateCount) {
fCoordinateCount = coordinateCount;
return fVariation.reset(coordinateCount);
}
SkFontArguments::Palette::Override* setPaletteEntryOverrides(int paletteEntryOverrideCount) {
fPaletteEntryOverrideCount = paletteEntryOverrideCount;
return fPaletteEntryOverrides.reset(paletteEntryOverrideCount);
}
void setFactoryId(SkTypeface::FactoryId factoryId) {
fFactoryId = factoryId;
}
SkFontArguments getFontArguments() const {
return SkFontArguments()
.setCollectionIndex(this->getCollectionIndex())
.setVariationDesignPosition({this->getVariation(),this->getVariationCoordinateCount()})
.setPalette({this->getPaletteIndex(),
this->getPaletteEntryOverrides(),
this->getPaletteEntryOverrideCount()});
}
static SkFontStyle::Width SkFontStyleWidthForWidthAxisValue(SkScalar width);
private:
SkString fFamilyName;
SkString fFullName;
SkString fPostscriptName;
SkFontStyle fStyle;
std::unique_ptr<SkStreamAsset> fStream;
int fCollectionIndex = 0;
using Coordinates =
skia_private::AutoSTMalloc<4, SkFontArguments::VariationPosition::Coordinate>;
int fCoordinateCount = 0;
Coordinates fVariation;
int fPaletteIndex = 0;
int fPaletteEntryOverrideCount = 0;
skia_private::AutoTMalloc<SkFontArguments::Palette::Override> fPaletteEntryOverrides;
SkTypeface::FactoryId fFactoryId = 0;
};
#endif // SkFontDescriptor_DEFINED
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