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2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/CryFont/GlyphCache.h
+++ b/CryFont/GlyphCache.h
@@ -0,0 +1,117 @@
+//-------------------------------------------------------------------------------------------------
+// Author: M<>rcio Martins
+//
+// Purpose:
+//  - Manage and cache glyphs, retrieving them from the renderer as needed
+//
+// History:
+//  - [6/6/2003] created the file
+//
+//-------------------------------------------------------------------------------------------------
+#pragma once
+
+
+
+#ifdef WIN64
+// Workaround for Amd64 compiler
+#include <map>
+#define hash_map map
+#else
+#if defined(LINUX)
+#include <ext/hash_map>
+#else
+#include <hash_map>
+#endif
+#endif
+
+#include <vector>
+#include "GlyphBitmap.h"
+#include "FontRenderer.h"
+
+
+
+typedef struct CCacheSlot
+{
+	unsigned int	dwUsage;
+	int				iCacheSlot;
+	wchar_t			cCurrentChar;
+
+	int				iCharWidth;
+	int				iCharHeight;
+    
+	CGlyphBitmap	pGlyphBitmap;
+
+	void			Reset()
+	{
+		dwUsage = 0;
+		cCurrentChar = -1;
+
+		iCharWidth = 0;
+		iCharHeight = 0;
+
+		pGlyphBitmap.Clear();
+	}
+
+} CCacheSlot;
+
+
+typedef std::hash_map<wchar_t, CCacheSlot *>			CCacheTable;
+typedef std::hash_map<wchar_t, CCacheSlot *>::iterator	CCacheTableItor;
+
+typedef std::vector<CCacheSlot *>						CCacheSlotList;
+typedef std::vector<CCacheSlot *>::iterator				CCacheSlotListItor;
+
+
+#ifdef WIN64
+#undef GetCharWidth
+#undef GetCharHeight
+#endif
+
+class CGlyphCache
+{
+public:
+	CGlyphCache();
+	~CGlyphCache();
+
+	int Create(int iChacheSize, int iGlyphBitmapWidth, int iGlyphBitmapHeight, int iSmoothMethod, int iSmoothAmount, float fSizeRatio = 0.8f);
+	int Release();
+
+	int LoadFontFromFile(const string &szFileName);
+	int LoadFontFromMemory(unsigned char *pFileBuffer, int iDataSize);
+	int ReleaseFont();
+
+	int SetEncoding(FT_Encoding pEncoding) { return m_pFontRenderer.SetEncoding(pEncoding); };
+	FT_Encoding GetEncoding() { return m_pFontRenderer.GetEncoding(); };
+
+	int	GetGlyphBitmapSize(int *pWidth, int *pHeight);
+
+	int PreCacheGlyph(wchar_t cChar);
+	int UnCacheGlyph(wchar_t cChar);
+	int GlyphCached(wchar_t cChar);
+
+	CCacheSlot *GetLRUSlot();
+	CCacheSlot *GetMRUSlot();
+
+	int GetGlyph(CGlyphBitmap **pGlyph, int *piWidth, int *piHeight, wchar_t cChar);
+
+private:
+
+	int				CreateSlotList(int iListSize);
+	int				ReleaseSlotList();
+
+	CCacheSlotList	m_pSlotList;
+	CCacheTable		m_pCacheTable;
+
+	int				m_iGlyphBitmapWidth;
+	int				m_iGlyphBitmapHeight;
+	float			m_fSizeRatio;
+
+	int				m_iSmoothMethod;
+	int				m_iSmoothAmount;
+
+	CGlyphBitmap	*m_pScaleBitmap;
+
+	CFontRenderer	m_pFontRenderer;
+
+	unsigned int	m_dwUsage;
+};