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#pragma once
#include "../TextLayout.h"
#include "CairoResource.h"
#include "PangoFont.h"
#include <pango/pango.h>
namespace cru::platform::graphics::cairo {
class PangoTextLayout : public CairoResource, public virtual ITextLayout {
public:
PangoTextLayout(CairoGraphicsFactory* factory, std::shared_ptr<IFont> font);
~PangoTextLayout() override;
public:
String GetText() override;
void SetText(String new_text) override;
std::shared_ptr<IFont> GetFont() override;
void SetFont(std::shared_ptr<IFont> font) override;
void SetMaxWidth(float max_width) override;
void SetMaxHeight(float max_height) override;
bool IsEditMode() override;
void SetEditMode(bool enable) override;
Index GetLineIndexFromCharIndex(Index char_index) override;
Index GetLineCount() override;
float GetLineHeight(Index line_index) override;
Rect GetTextBounds(bool includingTrailingSpace = false) override;
std::vector<Rect> TextRangeRect(const TextRange& text_range) override;
// Width is always 0, height is line height.
Rect TextSinglePoint(Index position, bool trailing) override;
TextHitTestResult HitTest(const Point& point) override;
private:
Index FromUtf8IndexToUtf16Index(Index index);
Index FromUtf16IndexToUtf8Index(Index index);
private:
String text_;
std::string utf8_text_;
bool edit_mode_ = false;
std::shared_ptr<PangoFont> font_;
PangoLayout* pango_layout_;
};
} // namespace cru::platform::graphics::cairo
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