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struct ISkinBackend;
struct ISkinElement;
struct SkinRenderParams
{
HDC hdc;
RECT rc;
};
struct ISkinDataSource
{
virtual LPCTSTR GetText(const TCHAR *key) = 0;
virtual HICON GetIcon(const TCHAR *key) = 0;
virtual HBITMAP GetBitmap(const TCHAR *key) = 0;
virtual ISkinBackend *GetObject(const TCHAR *key) = 0;
};
struct ISkinElement
{
// general manadgement
virtual void SetParent(ISkinElement *parent) = 0;
virtual void LoadFromXml(HXML hXml) = 0;
virtual void SetId(const TCHAR *id) = 0;
virtual void SetDataSource(ISkinDataSource *ds) = 0;
virtual void Destroy() = 0;
// rendering and layouting
virtual void Measure(SkinRenderParams *params) = 0;
virtual void Layout(SkinRenderParams *params) = 0;
virtual void Paint(SkinRenderParams *params) = 0;
// element tree
virtual bool IsComplexObject() = 0;
virtual ISkinElement *GetParent() = 0;
virtual int GetChildCount() = 0;
virtual ISkinElement *GetChild(int index) = 0;
virtual bool AppendChild(ISkinElement *child) = 0;
virtual bool InsertChild(ISkinElement *child, int index) = 0;
virtual void RemoveChild(ISkinElement *child) = 0;
// element properties
virtual void SetPropText(const TCHAR *key, const TCHAR *value) = 0;
virtual const TCHAR *GetPropText(const TCHAR *key, const TCHAR *value) = 0;
virtual void SetPropInt(const TCHAR *key, int value) = 0;
virtual void SetPropIntText(const TCHAR *key, const TCHAR *value) = 0;
virtual int GetPropInt(const TCHAR *key) = 0;
};
struct ISkinBackend
{
virtual LPCTSTR GetText(const TCHAR *key) = 0;
virtual HICON GetIcon(const TCHAR *key) = 0;
virtual HBITMAP GetBitmap(const TCHAR *key) = 0;
virtual ISkinBackend *GetObject(const TCHAR *key) = 0;
};
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