initial commit. This is icculus version 5542b94cae02a6333845854bbbd1abe0a259f1a4

2025-08-14 10:30:08 +00:00 · 2011-08-03 22:05:33 +02:00 · 2011-08-03 22:05:33 +02:00 · 3096eaf5e2
commit 3096eaf5e2
2519 changed files with 816064 additions and 0 deletions
--- a/ExternalLibs/FTGL/src/FTFace.cpp
+++ b/ExternalLibs/FTGL/src/FTFace.cpp
@ -0,0 +1,145 @@
+#include "FTFace.h"
+#include "FTLibrary.h"
+
+#include FT_TRUETYPE_TABLES_H
+
+FTFace::FTFace( const char* fontFilePath)
+:   numGlyphs(0),
+    fontEncodingList(0),
+    err(0)
+{
+    const FT_Long DEFAULT_FACE_INDEX = 0;
+    ftFace = new FT_Face;
+
+    err = FT_New_Face( *FTLibrary::Instance().GetLibrary(), fontFilePath, DEFAULT_FACE_INDEX, ftFace);
+
+    if( err)
+    {
+        delete ftFace;
+        ftFace = 0;
+    }
+    else
+    {
+        numGlyphs = (*ftFace)->num_glyphs;
+        hasKerningTable = FT_HAS_KERNING((*ftFace));
+    }
+}
+
+
+FTFace::FTFace( const unsigned char *pBufferBytes, size_t bufferSizeInBytes)
+:   numGlyphs(0),
+    err(0)
+{
+    const FT_Long DEFAULT_FACE_INDEX = 0;
+    ftFace = new FT_Face;
+
+    err = FT_New_Memory_Face( *FTLibrary::Instance().GetLibrary(), (FT_Byte *)pBufferBytes, bufferSizeInBytes, DEFAULT_FACE_INDEX, ftFace);
+
+    if( err)
+    {
+        delete ftFace;
+        ftFace = 0;
+    }
+    else
+    {
+        numGlyphs = (*ftFace)->num_glyphs;
+        hasKerningTable = FT_HAS_KERNING((*ftFace));
+    }
+}
+
+
+FTFace::~FTFace()
+{
+    if( ftFace)
+    {
+        FT_Done_Face( *ftFace);
+        delete ftFace;
+        ftFace = 0;
+    }
+}
+
+
+bool FTFace::Attach( const char* fontFilePath)
+{
+    err = FT_Attach_File( *ftFace, fontFilePath);
+    return !err;
+}
+
+
+bool FTFace::Attach( const unsigned char *pBufferBytes, size_t bufferSizeInBytes)
+{
+    FT_Open_Args open;
+
+    open.flags = FT_OPEN_MEMORY;
+    open.memory_base = (FT_Byte *)pBufferBytes;
+    open.memory_size = bufferSizeInBytes;
+
+    err = FT_Attach_Stream( *ftFace, &open);
+    return !err;
+}
+
+
+const FTSize& FTFace::Size( const unsigned int size, const unsigned int res)
+{
+    charSize.CharSize( ftFace, size, res, res);
+    err = charSize.Error();
+
+    return charSize;
+}
+
+
+unsigned int FTFace::CharMapCount()
+{
+    return (*ftFace)->num_charmaps;
+}
+
+
+FT_Encoding* FTFace::CharMapList()
+{
+    if( 0 == fontEncodingList)
+    {
+        fontEncodingList = new FT_Encoding[CharMapCount()];
+        for( size_t encodingIndex = 0; encodingIndex < CharMapCount(); ++encodingIndex)
+        {
+            fontEncodingList[encodingIndex] = (*ftFace)->charmaps[encodingIndex]->encoding;
+        }
+    }
+    
+    return fontEncodingList;
+}
+
+
+FTPoint FTFace::KernAdvance( unsigned int index1, unsigned int index2)
+{
+    float x, y;
+    x = y = 0.0f;
+
+    if( hasKerningTable && index1 && index2)
+    {
+        FT_Vector kernAdvance;
+        kernAdvance.x = kernAdvance.y = 0;
+
+        err = FT_Get_Kerning( *ftFace, index1, index2, ft_kerning_unfitted, &kernAdvance);
+        if( !err)
+        {   
+            x = static_cast<float>( kernAdvance.x) / 64.0f;
+            y = static_cast<float>( kernAdvance.y) / 64.0f;
+        }
+    }
+    
+    return FTPoint( x, y, 0.0);
+}
+
+
+FT_GlyphSlot FTFace::Glyph( unsigned int index, FT_Int load_flags)
+{
+    err = FT_Load_Glyph( *ftFace, index, load_flags);
+    if( err)
+    {
+        return NULL;
+    }
+
+    return (*ftFace)->glyph;
+}
+
+