skia2/modules/skparagraph/include/ParagraphStyle.h
Ben Wagner b985b4b67f Remove use of ICU C++ API from SkParagraph.
This is mostly about consolidating and removing use of
icu::UnicodeString. It was used mostly as an intermediary for
conversion, and the new conversions should make one fewer copy of the
data.

Change-Id: I1d0e5f0dc21c47ed7c80f456b9129c4c9a36b09a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/292718
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Julia Lavrova <jlavrova@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
2020-05-28 22:07:40 +00:00

129 lines
4.3 KiB
C++

// Copyright 2019 Google LLC.
#ifndef ParagraphStyle_DEFINED
#define ParagraphStyle_DEFINED
#include "include/core/SkFontStyle.h"
#include "include/core/SkScalar.h"
#include "include/core/SkString.h"
#include "modules/skparagraph/include/DartTypes.h"
#include "modules/skparagraph/include/TextStyle.h"
#include <stddef.h>
#include <algorithm>
#include <limits>
#include <string>
#include <utility>
#include <vector>
namespace skia {
namespace textlayout {
struct StrutStyle {
StrutStyle();
const std::vector<SkString>& getFontFamilies() const { return fFontFamilies; }
void setFontFamilies(std::vector<SkString> families) { fFontFamilies = std::move(families); }
SkFontStyle getFontStyle() const { return fFontStyle; }
void setFontStyle(SkFontStyle fontStyle) { fFontStyle = fontStyle; }
SkScalar getFontSize() const { return fFontSize; }
void setFontSize(SkScalar size) { fFontSize = size; }
void setHeight(SkScalar height) { fHeight = height; }
SkScalar getHeight() const { return fHeight; }
void setLeading(SkScalar Leading) { fLeading = Leading; }
SkScalar getLeading() const { return fLeading; }
bool getStrutEnabled() const { return fEnabled; }
void setStrutEnabled(bool v) { fEnabled = v; }
bool getForceStrutHeight() const { return fForceHeight; }
void setForceStrutHeight(bool v) { fForceHeight = v; }
bool getHeightOverride() const { return fHeightOverride; }
void setHeightOverride(bool v) { fHeightOverride = v; }
bool operator==(const StrutStyle& rhs) const {
return this->fEnabled == rhs.fEnabled &&
this->fHeightOverride == rhs.fHeightOverride &&
this->fForceHeight == rhs.fForceHeight &&
nearlyEqual(this->fLeading, rhs.fLeading) &&
nearlyEqual(this->fHeight, rhs.fHeight) &&
nearlyEqual(this->fFontSize, rhs.fFontSize) &&
this->fFontStyle == rhs.fFontStyle &&
this->fFontFamilies == rhs.fFontFamilies;
}
private:
std::vector<SkString> fFontFamilies;
SkFontStyle fFontStyle;
SkScalar fFontSize;
SkScalar fHeight;
SkScalar fLeading;
bool fForceHeight;
bool fEnabled;
bool fHeightOverride;
};
struct ParagraphStyle {
ParagraphStyle();
bool operator==(const ParagraphStyle& rhs) const {
return this->fHeight == rhs.fHeight && this->fEllipsis == rhs.fEllipsis &&
this->fTextDirection == rhs.fTextDirection && this->fTextAlign == rhs.fTextAlign &&
this->fDefaultTextStyle == rhs.fDefaultTextStyle;
}
const StrutStyle& getStrutStyle() const { return fStrutStyle; }
void setStrutStyle(StrutStyle strutStyle) { fStrutStyle = std::move(strutStyle); }
const TextStyle& getTextStyle() const { return fDefaultTextStyle; }
void setTextStyle(const TextStyle& textStyle) { fDefaultTextStyle = textStyle; }
TextDirection getTextDirection() const { return fTextDirection; }
void setTextDirection(TextDirection direction) { fTextDirection = direction; }
TextAlign getTextAlign() const { return fTextAlign; }
void setTextAlign(TextAlign align) { fTextAlign = align; }
size_t getMaxLines() const { return fLinesLimit; }
void setMaxLines(size_t maxLines) { fLinesLimit = maxLines; }
const SkString& getEllipsis() const { return fEllipsis; }
void setEllipsis(const std::u16string& ellipsis);
void setEllipsis(const SkString& ellipsis) { fEllipsis = ellipsis; }
SkScalar getHeight() const { return fHeight; }
void setHeight(SkScalar height) { fHeight = height; }
TextHeightBehavior getTextHeightBehavior() const { return fTextHeightBehavior; }
void setTextHeightBehavior(TextHeightBehavior v) { fTextHeightBehavior = v; }
bool unlimited_lines() const {
return fLinesLimit == std::numeric_limits<size_t>::max();
}
bool ellipsized() const { return fEllipsis.size() != 0; }
TextAlign effective_align() const;
bool hintingIsOn() const { return fHintingIsOn; }
void turnHintingOff() { fHintingIsOn = false; }
private:
StrutStyle fStrutStyle;
TextStyle fDefaultTextStyle;
TextAlign fTextAlign;
TextDirection fTextDirection;
size_t fLinesLimit;
SkString fEllipsis;
SkScalar fHeight;
TextHeightBehavior fTextHeightBehavior;
bool fHintingIsOn;
};
} // namespace textlayout
} // namespace skia
#endif // ParagraphStyle_DEFINED