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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_GRAPHICS_PAINT_H_
#define ANDROID_GRAPHICS_PAINT_H_
#include "Typeface.h"
#include <cutils/compiler.h>
#include <SkPaint.h>
#include <string>
#include <minikin/FontFamily.h>
namespace android {
class ANDROID_API Paint : public SkPaint {
public:
// Default values for underlined and strikethrough text,
// as defined by Skia in SkTextFormatParams.h.
constexpr static float kStdStrikeThru_Offset = (-6.0f / 21.0f);
constexpr static float kStdUnderline_Offset = (1.0f / 9.0f);
constexpr static float kStdUnderline_Thickness = (1.0f / 18.0f);
constexpr static float kStdUnderline_Top =
kStdUnderline_Offset - 0.5f * kStdUnderline_Thickness;
constexpr static float kStdStrikeThru_Thickness = kStdUnderline_Thickness;
constexpr static float kStdStrikeThru_Top =
kStdStrikeThru_Offset - 0.5f * kStdStrikeThru_Thickness;
Paint();
Paint(const Paint& paint);
Paint(const SkPaint& paint); // NOLINT(implicit)
~Paint();
Paint& operator=(const Paint& other);
friend bool operator==(const Paint& a, const Paint& b);
friend bool operator!=(const Paint& a, const Paint& b) { return !(a == b); }
void setLetterSpacing(float letterSpacing) { mLetterSpacing = letterSpacing; }
float getLetterSpacing() const { return mLetterSpacing; }
void setWordSpacing(float wordSpacing) { mWordSpacing = wordSpacing; }
float getWordSpacing() const { return mWordSpacing; }
void setFontFeatureSettings(const std::string& fontFeatureSettings) {
mFontFeatureSettings = fontFeatureSettings;
}
std::string getFontFeatureSettings() const { return mFontFeatureSettings; }
void setMinikinLocaleListId(uint32_t minikinLocaleListId) {
mMinikinLocaleListId = minikinLocaleListId;
}
uint32_t getMinikinLocaleListId() const { return mMinikinLocaleListId; }
void setFamilyVariant(minikin::FontFamily::Variant variant) { mFamilyVariant = variant; }
minikin::FontFamily::Variant getFamilyVariant() const { return mFamilyVariant; }
void setHyphenEdit(uint32_t hyphen) { mHyphenEdit = hyphen; }
uint32_t getHyphenEdit() const { return mHyphenEdit; }
void setAndroidTypeface(Typeface* typeface) { mTypeface = typeface; }
const Typeface* getAndroidTypeface() const { return mTypeface; }
private:
float mLetterSpacing = 0;
float mWordSpacing = 0;
std::string mFontFeatureSettings;
uint32_t mMinikinLocaleListId;
minikin::FontFamily::Variant mFamilyVariant;
uint32_t mHyphenEdit = 0;
// The native Typeface object has the same lifetime of the Java Typeface
// object. The Java Paint object holds a strong reference to the Java Typeface
// object. Thus, following pointer can never be a dangling pointer. Note that
// nullptr is valid: it means the default typeface.
const Typeface* mTypeface = nullptr;
};
} // namespace android
#endif // ANDROID_GRAPHICS_PAINT_H_
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