github publish

DDLReader/IWStringEffect.h

@@ -0,0 +1,36 @@
+#if !defined(AFX_IWSTRINGEFFECT_H__863ADE82_7789_4E54_BE7D_B8F0740FD81B__INCLUDED_)
+#define AFX_IWSTRINGEFFECT_H__863ADE82_7789_4E54_BE7D_B8F0740FD81B__INCLUDED_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000
+
+#include <wchar.h>
+
+class IWStringEffect
+{
+public:
+  ///function returns extra size that effect needs
+  /**
+  @param curSize size of string that enters to the effect
+  @return count of extra characters needs to effects;
+  */
+  virtual unsigned long GetEffectExtraSize(unsigned long curSize) {return 0;}
+
+  ///function renders begin of string. 
+  /** Function returns number of characters rendered, and must be <= then size returned by GetEffectExtraSize()
+  @param renderPtr pointer to render buffer
+  @param curSize size of string that enters to the effect
+  @return number of characters rendered. Entered string will be rendered behind.
+  */
+  virtual unsigned long PreRenderString(wchar_t *renderPtr,unsigned long curSize) {return 0;}
+
+  ///function renders effect. 
+  /** 
+  @param renderPtr pointer to begin of render buffer.
+  @param rendered number of characters rendered by previous effect. Value doesn't point to the end
+  of buffer, function must add result of PreRenderString */
+  virtual void RenderString(wchar_t *renderPtr, unsigned long rendered)=0;
+};
+
+#endif