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#pragma once
#include "ComResource.hpp"
#include "Resource.hpp"
#include "cru/platform/graph/TextLayout.hpp"
#include <limits>
#include <memory>
namespace cru::platform::graph::win::direct {
class DWriteFont;
class DWriteTextLayout : public DirectGraphResource,
public virtual ITextLayout,
public virtual IComResource<IDWriteTextLayout> {
public:
DWriteTextLayout(DirectGraphFactory* factory, std::shared_ptr<IFont> font,
std::u16string text);
CRU_DELETE_COPY(DWriteTextLayout)
CRU_DELETE_MOVE(DWriteTextLayout)
~DWriteTextLayout() override;
public:
IDWriteTextLayout* GetComInterface() const override {
return text_layout_.Get();
}
public:
std::u16string GetText() override;
std::u16string_view GetTextView() override;
void SetText(std::u16string 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;
Rect GetTextBounds() override;
// Return empty vector if text_range.count is 0. Text range could be in
// reverse direction, it should be normalized first in implementation.
std::vector<Rect> TextRangeRect(const TextRange& text_range) override;
Point TextSinglePoint(Index position, bool trailing) override;
TextHitTestResult HitTest(const Point& point) override;
private:
std::u16string text_;
std::shared_ptr<DWriteFont> font_;
float max_width_ = std::numeric_limits<float>::max();
float max_height_ = std::numeric_limits<float>::max();
Microsoft::WRL::ComPtr<IDWriteTextLayout> text_layout_;
};
} // namespace cru::platform::graph::win::direct
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