YiBitmapTextSceneNode.h

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// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_BITMAP_TEXT_SCENE_NODE_H_
#define _YI_BITMAP_TEXT_SCENE_NODE_H_

#include "scenetree/YiTextSceneNode.h"

class CYIBitmapTextSceneNode : public CYITextSceneNode
{
public:
    CYIBitmapTextSceneNode();
    virtual ~CYIBitmapTextSceneNode();
    
    void SetTextureFilteringMode(const CYIAssetTextureBase::YI_MIN_MAG_FILTER minFilter, const CYIAssetTextureBase::YI_MIN_MAG_FILTER magFilter);

    virtual void SetSize(const glm::vec3 &vSize, bool bDirtyLayout = true) override;

private:
    void CalculateTextLayoutInfo(const CYITextLayout *pTextLayout, const YI_TEXT_RENDER_INFO &rTextRenderInfo, YI_FLOAT_RECT *pTextExtents, glm::vec2 *pvRenderedSize, float *pfVerticalOffset, YI_FLOAT_RECT_REL *pGlyphBox) const;

    virtual void        PrepareToDraw() override;
    void CreateTextMesh(const YI_FLOAT_RECT_REL &rGlyphBox, const YI_FLOAT_RECT &rTextExtents, const glm::vec2 &rvRenderedSize, float fVerticalOffset);
    std::unique_ptr<CYIBitmap> GenerateTextBuffer(const CYITextLayout *pTextLayout, const YI_TEXT_RENDER_INFO &rTextRenderInfo, const YI_FLOAT_RECT &rTextExtents) const;
    static void SetTextBuffer(std::unique_ptr<CYIBitmap> pBuffer, const std::shared_ptr<CYIAssetTexture> &pTexture);

    std::shared_ptr<CYIAssetTexture> m_pDestBufferAsset;

    CYIAssetTextureBase::YI_MIN_MAG_FILTER m_textureMinFilter;
    CYIAssetTextureBase::YI_MIN_MAG_FILTER m_textureMagFilter;

    YI_TYPE_BASES(CYIBitmapTextSceneNode, CYITextSceneNode)
};

#endif // _YI_BITMAP_TEXT_SCENE_NODE_H_