mirror of https://github.com/axmolengine/axmol.git
Fix comment typo and do clang-format [skip ci]
This commit is contained in:
halx99
parent
0e2ade1350
commit
beb593a22a
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@ -13,6 +13,8 @@ IndentWidth: 4
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# Keep lines under 120 columns long.
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ColumnLimit: 120
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SortIncludes: false
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# Always break before braces
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BreakBeforeBraces: Custom
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BraceWrapping:
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@ -3,7 +3,7 @@ Copyright (c) 2013 Zynga Inc.
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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Copyright (c) 2021 Bytedance Inc.
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https://adxe.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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@ -40,29 +40,38 @@ THE SOFTWARE.
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NS_CC_BEGIN
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FT_Library FontFreeType::_FTlibrary;
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bool FontFreeType::_FTInitialized = false;
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bool FontFreeType::_streamParsingEnabled = false;
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bool FontFreeType::_doNativeBytecodeHinting = true;
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const int FontFreeType::DistanceMapSpread = 3;
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bool FontFreeType::_FTInitialized = false;
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bool FontFreeType::_streamParsingEnabled = false;
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bool FontFreeType::_doNativeBytecodeHinting = true;
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const int FontFreeType::DistanceMapSpread = 3;
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const char* FontFreeType::_glyphASCII = "\"!#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþ ";
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const char* FontFreeType::_glyphNEHE = "!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ ";
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const char* FontFreeType::_glyphASCII =
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"\"!#$%&'()*+,-./"
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"0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~"
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"¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþ ";
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const char* FontFreeType::_glyphNEHE =
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"!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ ";
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typedef struct _DataRef
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{
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Data data;
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unsigned int referenceCount;
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}DataRef;
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} DataRef;
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static std::unordered_map<std::string, DataRef> s_cacheFontData;
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// ------ freetype2 stream parsing support ---
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static unsigned long ft_stream_read_callback(FT_Stream stream, unsigned long offset, unsigned char* buf, unsigned long size) {
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static unsigned long ft_stream_read_callback(FT_Stream stream,
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unsigned long offset,
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unsigned char* buf,
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unsigned long size)
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{
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auto fd = (FileStream*)stream->descriptor.pointer;
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if (!fd) return 1;
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if (!size && offset >= stream->size) return 1;
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if (!fd)
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return 1;
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if (!size && offset >= stream->size)
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return 1;
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if (stream->pos != offset)
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fd->seek(offset, SEEK_SET);
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@ -73,22 +82,28 @@ static unsigned long ft_stream_read_callback(FT_Stream stream, unsigned long off
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return 0;
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}
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static void ft_stream_close_callback(FT_Stream stream) {
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static void ft_stream_close_callback(FT_Stream stream)
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{
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const auto* fd = (FileStream*)stream->descriptor.pointer;
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delete fd;
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stream->size = 0;
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stream->size = 0;
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stream->descriptor.pointer = nullptr;
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}
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FontFreeType * FontFreeType::create(const std::string &fontName, float fontSize, GlyphCollection glyphs, const char *customGlyphs,bool distanceFieldEnabled /* = false */,float outline /* = 0 */)
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FontFreeType* FontFreeType::create(const std::string& fontName,
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float fontSize,
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GlyphCollection glyphs,
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const char* customGlyphs,
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bool distanceFieldEnabled /* = false */,
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float outline /* = 0 */)
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{
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FontFreeType *tempFont = new (std::nothrow) FontFreeType(distanceFieldEnabled,outline);
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FontFreeType* tempFont = new (std::nothrow) FontFreeType(distanceFieldEnabled, outline);
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if (!tempFont)
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return nullptr;
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tempFont->setGlyphCollection(glyphs, customGlyphs);
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if (!tempFont->createFontObject(fontName, fontSize))
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{
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delete tempFont;
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@ -103,13 +118,13 @@ bool FontFreeType::initFreeType()
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if (_FTInitialized == false)
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{
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// begin freetype
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if (FT_Init_FreeType( &_FTlibrary ))
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if (FT_Init_FreeType(&_FTlibrary))
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return false;
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_FTInitialized = true;
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}
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return _FTInitialized;
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return _FTInitialized;
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}
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void FontFreeType::shutdownFreeType()
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@ -154,13 +169,14 @@ FontFreeType::FontFreeType(bool distanceFieldEnabled /* = false */, float outlin
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}
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// clang-format on
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bool FontFreeType::createFontObject(const std::string &fontName, float fontSize)
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bool FontFreeType::createFontObject(const std::string& fontName, float fontSize)
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{
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FT_Face face;
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// save font name locally
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_fontName = fontName;
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if (!_streamParsingEnabled) {
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if (!_streamParsingEnabled)
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{
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auto it = s_cacheFontData.find(fontName);
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if (it != s_cacheFontData.end())
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{
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@ -169,7 +185,7 @@ bool FontFreeType::createFontObject(const std::string &fontName, float fontSize)
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else
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{
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s_cacheFontData[fontName].referenceCount = 1;
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s_cacheFontData[fontName].data = FileUtils::getInstance()->getDataFromFile(fontName);
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s_cacheFontData[fontName].data = FileUtils::getInstance()->getDataFromFile(fontName);
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if (s_cacheFontData[fontName].data.isNull())
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{
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@ -177,12 +193,15 @@ bool FontFreeType::createFontObject(const std::string &fontName, float fontSize)
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}
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}
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if (FT_New_Memory_Face(getFTLibrary(), s_cacheFontData[fontName].data.getBytes(), s_cacheFontData[fontName].data.getSize(), 0, &face))
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if (FT_New_Memory_Face(getFTLibrary(), s_cacheFontData[fontName].data.getBytes(),
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s_cacheFontData[fontName].data.getSize(), 0, &face))
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return false;
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}
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else {
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else
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{
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auto fullPath = FileUtils::getInstance()->fullPathForFilename(fontName);
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if (fullPath.empty()) return false;
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if (fullPath.empty())
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return false;
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auto fs = FileUtils::getInstance()->openFileStream(fullPath, FileStream::Mode::READ).release();
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if (!fs)
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@ -191,14 +210,14 @@ bool FontFreeType::createFontObject(const std::string &fontName, float fontSize)
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}
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std::unique_ptr<FT_StreamRec> fts(new FT_StreamRec());
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fts->read = ft_stream_read_callback;
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fts->close = ft_stream_close_callback;
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fts->size = fs->size();
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fts->read = ft_stream_read_callback;
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fts->close = ft_stream_close_callback;
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fts->size = fs->size();
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fts->descriptor.pointer = fs;
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FT_Open_Args args = { 0 };
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args.flags = FT_OPEN_STREAM;
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args.stream = fts.get();
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FT_Open_Args args = {0};
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args.flags = FT_OPEN_STREAM;
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args.stream = fts.get();
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if (FT_Open_Face(getFTLibrary(), &args, 0, &face))
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return false;
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@ -231,18 +250,18 @@ bool FontFreeType::createFontObject(const std::string &fontName, float fontSize)
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}
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// set the requested font size
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int dpi = 72;
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int dpi = 72;
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int fontSizePoints = (int)(64.f * fontSize * CC_CONTENT_SCALE_FACTOR());
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if (FT_Set_Char_Size(face, fontSizePoints, fontSizePoints, dpi, dpi))
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return false;
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// store the face globally
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_fontRef = face;
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// Notes:
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// a. Since freetype 2.8.1 the tt matrics not sync to size_matrics, see the function 'tt_size_request' in truetype/ttdriver.c
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// b. The TT spec always asks for ROUND, not FLOOR or CEIL, see also the function 'tt_size_reset' in
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// truetype/ttobjs.c
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// a. Since freetype 2.8.1 the TT matrics isn't sync to size_matrics, see the function 'tt_size_request' in
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// truetype/ttdriver.c b. The TT spec always asks for ROUND, not FLOOR or CEIL, see also the function
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// 'tt_size_reset' in truetype/ttobjs.c
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// ** Please see description of FT_Size_Metrics_ in freetype.h about this solution
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auto& size_metrics = _fontRef->size->metrics;
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if (_doNativeBytecodeHinting && !strcmp(FT_Get_Font_Format(face), "TrueType"))
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@ -256,7 +275,7 @@ bool FontFreeType::createFontObject(const std::string &fontName, float fontSize)
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_descender = size_metrics.descender;
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}
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_lineHeight = (_ascender - _descender) >> 6;
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_lineHeight = (_ascender - _descender) >> 6;
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// done and good
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return true;
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@ -287,7 +306,7 @@ FontFreeType::~FontFreeType()
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}
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}
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FontAtlas * FontFreeType::createFontAtlas()
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FontAtlas* FontFreeType::createFontAtlas()
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{
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if (_fontAtlas == nullptr)
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{
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@ -300,58 +319,58 @@ FontAtlas * FontFreeType::createFontAtlas()
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_fontAtlas->prepareLetterDefinitions(utf32);
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}
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}
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// this->autorelease();
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// this->autorelease();
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}
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return _fontAtlas;
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}
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int * FontFreeType::getHorizontalKerningForTextUTF32(const std::u32string& text, int &outNumLetters) const
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int* FontFreeType::getHorizontalKerningForTextUTF32(const std::u32string& text, int& outNumLetters) const
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{
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if (!_fontRef)
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return nullptr;
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outNumLetters = static_cast<int>(text.length());
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if (!outNumLetters)
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return nullptr;
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int *sizes = new (std::nothrow) int[outNumLetters];
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int* sizes = new (std::nothrow) int[outNumLetters];
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if (!sizes)
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return nullptr;
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memset(sizes,0,outNumLetters * sizeof(int));
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memset(sizes, 0, outNumLetters * sizeof(int));
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bool hasKerning = FT_HAS_KERNING( _fontRef ) != 0;
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bool hasKerning = FT_HAS_KERNING(_fontRef) != 0;
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if (hasKerning)
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{
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for (int c = 1; c < outNumLetters; ++c)
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{
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sizes[c] = getHorizontalKerningForChars(text[c-1], text[c]);
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sizes[c] = getHorizontalKerningForChars(text[c - 1], text[c]);
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}
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}
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return sizes;
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}
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int FontFreeType::getHorizontalKerningForChars(uint64_t firstChar, uint64_t secondChar) const
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int FontFreeType::getHorizontalKerningForChars(uint64_t firstChar, uint64_t secondChar) const
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{
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// get the ID to the char we need
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int glyphIndex1 = FT_Get_Char_Index(_fontRef, static_cast<FT_ULong>(firstChar));
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if (!glyphIndex1)
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return 0;
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// get the ID to the char we need
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int glyphIndex2 = FT_Get_Char_Index(_fontRef, static_cast<FT_ULong>(secondChar));
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if (!glyphIndex2)
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return 0;
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FT_Vector kerning;
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if (FT_Get_Kerning( _fontRef, glyphIndex1, glyphIndex2, FT_KERNING_DEFAULT, &kerning))
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if (FT_Get_Kerning(_fontRef, glyphIndex1, glyphIndex2, FT_KERNING_DEFAULT, &kerning))
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return 0;
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return (static_cast<int>(kerning.x >> 6));
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}
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@ -368,9 +387,13 @@ const char* FontFreeType::getFontFamily() const
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return _fontRef->family_name;
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}
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unsigned char* FontFreeType::getGlyphBitmap(uint64_t theChar, long &outWidth, long &outHeight, Rect &outRect,int &xAdvance)
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unsigned char* FontFreeType::getGlyphBitmap(uint64_t theChar,
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long& outWidth,
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long& outHeight,
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Rect& outRect,
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int& xAdvance)
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{
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bool invalidChar = true;
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bool invalidChar = true;
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unsigned char* ret = nullptr;
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do
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@ -378,47 +401,50 @@ unsigned char* FontFreeType::getGlyphBitmap(uint64_t theChar, long &outWidth, lo
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if (_fontRef == nullptr)
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break;
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// @remark: glyph_index=0 means
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// @remark: glyph_index=0 means
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auto glyph_index = FT_Get_Char_Index(_fontRef, static_cast<FT_ULong>(theChar));
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if (FT_Load_Glyph(_fontRef, glyph_index, _distanceFieldEnabled ?
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(FT_LOAD_RENDER | FT_LOAD_NO_HINTING | FT_LOAD_NO_AUTOHINT) :
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(FT_LOAD_RENDER | FT_LOAD_NO_AUTOHINT)))
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if (FT_Load_Glyph(_fontRef, glyph_index,
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_distanceFieldEnabled ? (FT_LOAD_RENDER | FT_LOAD_NO_HINTING | FT_LOAD_NO_AUTOHINT)
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: (FT_LOAD_RENDER | FT_LOAD_NO_AUTOHINT)))
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break;
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#if defined(_DEBUG)
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if (glyph_index == 0) {
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if (glyph_index == 0)
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{
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std::u32string charUTF32(1, theChar);
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std::string charUTF8;
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cocos2d::StringUtils::UTF32ToUTF8(charUTF32, charUTF8);
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if (charUTF8 == "\n") charUTF8 = "\\n";
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cocos2d::log("The font face: %s doesn't contains char: <%s>", _fontRef->charmap->face->family_name, charUTF8.c_str());
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if (charUTF8 == "\n")
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charUTF8 = "\\n";
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cocos2d::log("The font face: %s doesn't contains char: <%s>", _fontRef->charmap->face->family_name,
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charUTF8.c_str());
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}
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#endif
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auto& metrics = _fontRef->glyph->metrics;
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outRect.origin.x = static_cast<float>(metrics.horiBearingX >> 6);
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outRect.origin.y = static_cast<float>(-(metrics.horiBearingY >> 6));
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outRect.size.width = static_cast<float>((metrics.width >> 6));
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auto& metrics = _fontRef->glyph->metrics;
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outRect.origin.x = static_cast<float>(metrics.horiBearingX >> 6);
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outRect.origin.y = static_cast<float>(-(metrics.horiBearingY >> 6));
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outRect.size.width = static_cast<float>((metrics.width >> 6));
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outRect.size.height = static_cast<float>((metrics.height >> 6));
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xAdvance = (static_cast<int>(_fontRef->glyph->metrics.horiAdvance >> 6));
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outWidth = _fontRef->glyph->bitmap.width;
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outHeight = _fontRef->glyph->bitmap.rows;
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ret = _fontRef->glyph->bitmap.buffer;
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ret = _fontRef->glyph->bitmap.buffer;
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if (_outlineSize > 0 && outWidth > 0 && outHeight > 0)
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{
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auto copyBitmap = new (std::nothrow) unsigned char[outWidth * outHeight];
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memcpy(copyBitmap,ret,outWidth * outHeight * sizeof(unsigned char));
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memcpy(copyBitmap, ret, outWidth * outHeight * sizeof(unsigned char));
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FT_BBox bbox;
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auto outlineBitmap = getGlyphBitmapWithOutline(theChar,bbox);
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if(outlineBitmap == nullptr)
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auto outlineBitmap = getGlyphBitmapWithOutline(theChar, bbox);
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if (outlineBitmap == nullptr)
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{
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ret = nullptr;
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delete [] copyBitmap;
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delete[] copyBitmap;
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break;
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}
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@ -427,27 +453,27 @@ unsigned char* FontFreeType::getGlyphBitmap(uint64_t theChar, long &outWidth, lo
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int glyphMinY = (int)(-outHeight - outRect.origin.y);
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int glyphMaxY = (int)-outRect.origin.y;
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auto outlineMinX = bbox.xMin >> 6;
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auto outlineMaxX = bbox.xMax >> 6;
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auto outlineMinY = bbox.yMin >> 6;
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auto outlineMaxY = bbox.yMax >> 6;
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auto outlineWidth = outlineMaxX - outlineMinX;
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auto outlineMinX = bbox.xMin >> 6;
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auto outlineMaxX = bbox.xMax >> 6;
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auto outlineMinY = bbox.yMin >> 6;
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auto outlineMaxY = bbox.yMax >> 6;
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auto outlineWidth = outlineMaxX - outlineMinX;
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auto outlineHeight = outlineMaxY - outlineMinY;
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auto blendImageMinX = MIN(outlineMinX, glyphMinX);
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auto blendImageMaxY = MAX(outlineMaxY, glyphMaxY);
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auto blendWidth = MAX(outlineMaxX, glyphMaxX) - blendImageMinX;
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auto blendHeight = blendImageMaxY - MIN(outlineMinY, glyphMinY);
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auto blendWidth = MAX(outlineMaxX, glyphMaxX) - blendImageMinX;
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auto blendHeight = blendImageMaxY - MIN(outlineMinY, glyphMinY);
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outRect.origin.x = (float)blendImageMinX;
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outRect.origin.y = -blendImageMaxY + _outlineSize;
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unsigned char *blendImage = nullptr;
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unsigned char* blendImage = nullptr;
|
||||
if (blendWidth > 0 && blendHeight > 0)
|
||||
{
|
||||
FT_Pos index, index2;
|
||||
auto imageSize = blendWidth * blendHeight * 2;
|
||||
blendImage = new (std::nothrow) unsigned char[imageSize];
|
||||
blendImage = new (std::nothrow) unsigned char[imageSize];
|
||||
memset(blendImage, 0, imageSize);
|
||||
|
||||
auto px = outlineMinX - blendImageMinX;
|
||||
|
|
@ -456,8 +482,8 @@ unsigned char* FontFreeType::getGlyphBitmap(uint64_t theChar, long &outWidth, lo
|
|||
{
|
||||
for (int y = 0; y < outlineHeight; ++y)
|
||||
{
|
||||
index = px + x + ((py + y) * blendWidth);
|
||||
index2 = x + (y * outlineWidth);
|
||||
index = px + x + ((py + y) * blendWidth);
|
||||
index2 = x + (y * outlineWidth);
|
||||
blendImage[2 * index] = outlineBitmap[index2];
|
||||
}
|
||||
}
|
||||
|
|
@ -468,8 +494,8 @@ unsigned char* FontFreeType::getGlyphBitmap(uint64_t theChar, long &outWidth, lo
|
|||
{
|
||||
for (int y = 0; y < outHeight; ++y)
|
||||
{
|
||||
index = px + x + ((y + py) * blendWidth);
|
||||
index2 = x + (y * outWidth);
|
||||
index = px + x + ((y + py) * blendWidth);
|
||||
index2 = x + (y * outWidth);
|
||||
blendImage[2 * index + 1] = copyBitmap[index2];
|
||||
}
|
||||
}
|
||||
|
|
@ -477,11 +503,11 @@ unsigned char* FontFreeType::getGlyphBitmap(uint64_t theChar, long &outWidth, lo
|
|||
|
||||
outRect.size.width = (float)blendWidth;
|
||||
outRect.size.height = (float)blendHeight;
|
||||
outWidth = blendWidth;
|
||||
outHeight = blendHeight;
|
||||
outWidth = blendWidth;
|
||||
outHeight = blendHeight;
|
||||
|
||||
delete [] outlineBitmap;
|
||||
delete [] copyBitmap;
|
||||
delete[] outlineBitmap;
|
||||
delete[] copyBitmap;
|
||||
ret = blendImage;
|
||||
}
|
||||
|
||||
|
|
@ -492,18 +518,18 @@ unsigned char* FontFreeType::getGlyphBitmap(uint64_t theChar, long &outWidth, lo
|
|||
{
|
||||
outRect.size.width = 0;
|
||||
outRect.size.height = 0;
|
||||
xAdvance = 0;
|
||||
xAdvance = 0;
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
else
|
||||
{
|
||||
return ret;
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
||||
unsigned char * FontFreeType::getGlyphBitmapWithOutline(uint64_t theChar, FT_BBox &bbox)
|
||||
{
|
||||
unsigned char* FontFreeType::getGlyphBitmapWithOutline(uint64_t theChar, FT_BBox& bbox)
|
||||
{
|
||||
unsigned char* ret = nullptr;
|
||||
if (FT_Load_Char(_fontRef, static_cast<FT_ULong>(theChar), FT_LOAD_NO_BITMAP) == 0)
|
||||
{
|
||||
|
|
@ -515,26 +541,26 @@ unsigned char * FontFreeType::getGlyphBitmapWithOutline(uint64_t theChar, FT_BBo
|
|||
FT_Glyph_StrokeBorder(&glyph, _stroker, 0, 1);
|
||||
if (glyph->format == FT_GLYPH_FORMAT_OUTLINE)
|
||||
{
|
||||
FT_Outline *outline = &reinterpret_cast<FT_OutlineGlyph>(glyph)->outline;
|
||||
FT_Glyph_Get_CBox(glyph,FT_GLYPH_BBOX_GRIDFIT,&bbox);
|
||||
long width = (bbox.xMax - bbox.xMin)>>6;
|
||||
long rows = (bbox.yMax - bbox.yMin)>>6;
|
||||
FT_Outline* outline = &reinterpret_cast<FT_OutlineGlyph>(glyph)->outline;
|
||||
FT_Glyph_Get_CBox(glyph, FT_GLYPH_BBOX_GRIDFIT, &bbox);
|
||||
long width = (bbox.xMax - bbox.xMin) >> 6;
|
||||
long rows = (bbox.yMax - bbox.yMin) >> 6;
|
||||
|
||||
FT_Bitmap bmp;
|
||||
bmp.buffer = new (std::nothrow) unsigned char[width * rows];
|
||||
memset(bmp.buffer, 0, width * rows);
|
||||
bmp.width = (int)width;
|
||||
bmp.rows = (int)rows;
|
||||
bmp.pitch = (int)width;
|
||||
bmp.width = (int)width;
|
||||
bmp.rows = (int)rows;
|
||||
bmp.pitch = (int)width;
|
||||
bmp.pixel_mode = FT_PIXEL_MODE_GRAY;
|
||||
bmp.num_grays = 256;
|
||||
bmp.num_grays = 256;
|
||||
|
||||
FT_Raster_Params params;
|
||||
memset(¶ms, 0, sizeof (params));
|
||||
memset(¶ms, 0, sizeof(params));
|
||||
params.source = outline;
|
||||
params.target = &bmp;
|
||||
params.flags = FT_RASTER_FLAG_AA;
|
||||
FT_Outline_Translate(outline,-bbox.xMin,-bbox.yMin);
|
||||
params.flags = FT_RASTER_FLAG_AA;
|
||||
FT_Outline_Translate(outline, -bbox.xMin, -bbox.yMin);
|
||||
FT_Outline_Render(_FTlibrary, outline, ¶ms);
|
||||
|
||||
ret = bmp.buffer;
|
||||
|
|
@ -547,18 +573,18 @@ unsigned char * FontFreeType::getGlyphBitmapWithOutline(uint64_t theChar, FT_BBo
|
|||
return ret;
|
||||
}
|
||||
|
||||
unsigned char * makeDistanceMap( unsigned char *img, long width, long height)
|
||||
unsigned char* makeDistanceMap(unsigned char* img, long width, long height)
|
||||
{
|
||||
long pixelAmount = (width + 2 * FontFreeType::DistanceMapSpread) * (height + 2 * FontFreeType::DistanceMapSpread);
|
||||
|
||||
short * xdist = (short *) malloc( pixelAmount * sizeof(short) );
|
||||
short * ydist = (short *) malloc( pixelAmount * sizeof(short) );
|
||||
double * gx = (double *) calloc( pixelAmount, sizeof(double) );
|
||||
double * gy = (double *) calloc( pixelAmount, sizeof(double) );
|
||||
double * data = (double *) calloc( pixelAmount, sizeof(double) );
|
||||
double * outside = (double *) calloc( pixelAmount, sizeof(double) );
|
||||
double * inside = (double *) calloc( pixelAmount, sizeof(double) );
|
||||
long i,j;
|
||||
short* xdist = (short*)malloc(pixelAmount * sizeof(short));
|
||||
short* ydist = (short*)malloc(pixelAmount * sizeof(short));
|
||||
double* gx = (double*)calloc(pixelAmount, sizeof(double));
|
||||
double* gy = (double*)calloc(pixelAmount, sizeof(double));
|
||||
double* data = (double*)calloc(pixelAmount, sizeof(double));
|
||||
double* outside = (double*)calloc(pixelAmount, sizeof(double));
|
||||
double* inside = (double*)calloc(pixelAmount, sizeof(double));
|
||||
long i, j;
|
||||
|
||||
// Convert img into double (data) rescale image levels between 0 and 1
|
||||
long outWidth = width + 2 * FontFreeType::DistanceMapSpread;
|
||||
|
|
@ -573,36 +599,38 @@ unsigned char * makeDistanceMap( unsigned char *img, long width, long height)
|
|||
width += 2 * FontFreeType::DistanceMapSpread;
|
||||
height += 2 * FontFreeType::DistanceMapSpread;
|
||||
|
||||
// Transform background (outside contour, in areas of 0's)
|
||||
computegradient( data, (int)width, (int)height, gx, gy);
|
||||
// Transform background (outside contour, in areas of 0's)
|
||||
computegradient(data, (int)width, (int)height, gx, gy);
|
||||
edtaa3(data, gx, gy, (int)width, (int)height, xdist, ydist, outside);
|
||||
for( i=0; i< pixelAmount; i++)
|
||||
if( outside[i] < 0.0 )
|
||||
for (i = 0; i < pixelAmount; i++)
|
||||
if (outside[i] < 0.0)
|
||||
outside[i] = 0.0;
|
||||
|
||||
// Transform foreground (inside contour, in areas of 1's)
|
||||
for( i=0; i< pixelAmount; i++)
|
||||
// Transform foreground (inside contour, in areas of 1's)
|
||||
for (i = 0; i < pixelAmount; i++)
|
||||
data[i] = 1 - data[i];
|
||||
computegradient( data, (int)width, (int)height, gx, gy);
|
||||
computegradient(data, (int)width, (int)height, gx, gy);
|
||||
edtaa3(data, gx, gy, (int)width, (int)height, xdist, ydist, inside);
|
||||
for( i=0; i< pixelAmount; i++)
|
||||
if( inside[i] < 0.0 )
|
||||
for (i = 0; i < pixelAmount; i++)
|
||||
if (inside[i] < 0.0)
|
||||
inside[i] = 0.0;
|
||||
|
||||
// The bipolar distance field is now outside-inside
|
||||
double dist;
|
||||
/* Single channel 8-bit output (bad precision and range, but simple) */
|
||||
unsigned char *out = (unsigned char *) malloc( pixelAmount * sizeof(unsigned char) );
|
||||
for( i=0; i < pixelAmount; i++)
|
||||
/* Single channel 8-bit output (bad precision and range, but simple) */
|
||||
unsigned char* out = (unsigned char*)malloc(pixelAmount * sizeof(unsigned char));
|
||||
for (i = 0; i < pixelAmount; i++)
|
||||
{
|
||||
dist = outside[i] - inside[i];
|
||||
dist = 128.0 - dist*16;
|
||||
if( dist < 0 ) dist = 0;
|
||||
if( dist > 255 ) dist = 255;
|
||||
out[i] = (unsigned char) dist;
|
||||
dist = 128.0 - dist * 16;
|
||||
if (dist < 0)
|
||||
dist = 0;
|
||||
if (dist > 255)
|
||||
dist = 255;
|
||||
out[i] = (unsigned char)dist;
|
||||
}
|
||||
/* Dual channel 16-bit output (more complicated, but good precision and range) */
|
||||
/*unsigned char *out = (unsigned char *) malloc( pixelAmount * 3 * sizeof(unsigned char) );
|
||||
/*unsigned char *out = (unsigned char *) malloc( pixelAmount * 3 * sizeof(unsigned char) );
|
||||
for( i=0; i< pixelAmount; i++)
|
||||
{
|
||||
dist = outside[i] - inside[i];
|
||||
|
|
@ -614,28 +642,33 @@ unsigned char * makeDistanceMap( unsigned char *img, long width, long height)
|
|||
// G channel is fraction
|
||||
out[3*i + 1] = (unsigned char) ( 256 - (dist - floor(dist)* 256.0 ));
|
||||
// B channel is truncated integer part
|
||||
out[3*i + 2] = (unsigned char)dist;
|
||||
out[3*i + 2] = (unsigned char)dist;
|
||||
}*/
|
||||
|
||||
free( xdist );
|
||||
free( ydist );
|
||||
free( gx );
|
||||
free( gy );
|
||||
free( data );
|
||||
free( outside );
|
||||
free( inside );
|
||||
|
||||
free(xdist);
|
||||
free(ydist);
|
||||
free(gx);
|
||||
free(gy);
|
||||
free(data);
|
||||
free(outside);
|
||||
free(inside);
|
||||
|
||||
return out;
|
||||
}
|
||||
|
||||
void FontFreeType::renderCharAt(unsigned char *dest,int posX, int posY, unsigned char* bitmap,long bitmapWidth,long bitmapHeight)
|
||||
void FontFreeType::renderCharAt(unsigned char* dest,
|
||||
int posX,
|
||||
int posY,
|
||||
unsigned char* bitmap,
|
||||
long bitmapWidth,
|
||||
long bitmapHeight)
|
||||
{
|
||||
int iX = posX;
|
||||
int iY = posY;
|
||||
|
||||
if (_distanceFieldEnabled)
|
||||
{
|
||||
auto distanceMap = makeDistanceMap(bitmap,bitmapWidth,bitmapHeight);
|
||||
auto distanceMap = makeDistanceMap(bitmap, bitmapWidth, bitmapHeight);
|
||||
|
||||
bitmapWidth += 2 * DistanceMapSpread;
|
||||
bitmapHeight += 2 * DistanceMapSpread;
|
||||
|
|
@ -645,26 +678,26 @@ void FontFreeType::renderCharAt(unsigned char *dest,int posX, int posY, unsigned
|
|||
long bitmap_y = y * bitmapWidth;
|
||||
|
||||
for (long x = 0; x < bitmapWidth; ++x)
|
||||
{
|
||||
{
|
||||
/* Dual channel 16-bit output (more complicated, but good precision and range) */
|
||||
/*int index = (iX + ( iY * destSize )) * 3;
|
||||
/*int index = (iX + ( iY * destSize )) * 3;
|
||||
int index2 = (bitmap_y + x)*3;
|
||||
dest[index] = out[index2];
|
||||
dest[index + 1] = out[index2 + 1];
|
||||
dest[index + 2] = out[index2 + 2];*/
|
||||
|
||||
//Single channel 8-bit output
|
||||
dest[iX + ( iY * FontAtlas::CacheTextureWidth )] = distanceMap[bitmap_y + x];
|
||||
// Single channel 8-bit output
|
||||
dest[iX + (iY * FontAtlas::CacheTextureWidth)] = distanceMap[bitmap_y + x];
|
||||
|
||||
iX += 1;
|
||||
}
|
||||
|
||||
iX = posX;
|
||||
iX = posX;
|
||||
iY += 1;
|
||||
}
|
||||
free(distanceMap);
|
||||
}
|
||||
else if(_outlineSize > 0)
|
||||
else if (_outlineSize > 0)
|
||||
{
|
||||
unsigned char tempChar;
|
||||
for (long y = 0; y < bitmapHeight; ++y)
|
||||
|
|
@ -673,18 +706,18 @@ void FontFreeType::renderCharAt(unsigned char *dest,int posX, int posY, unsigned
|
|||
|
||||
for (int x = 0; x < bitmapWidth; ++x)
|
||||
{
|
||||
tempChar = bitmap[(bitmap_y + x) * 2];
|
||||
dest[(iX + ( iY * FontAtlas::CacheTextureWidth ) ) * 2] = tempChar;
|
||||
tempChar = bitmap[(bitmap_y + x) * 2 + 1];
|
||||
dest[(iX + ( iY * FontAtlas::CacheTextureWidth ) ) * 2 + 1] = tempChar;
|
||||
tempChar = bitmap[(bitmap_y + x) * 2];
|
||||
dest[(iX + (iY * FontAtlas::CacheTextureWidth)) * 2] = tempChar;
|
||||
tempChar = bitmap[(bitmap_y + x) * 2 + 1];
|
||||
dest[(iX + (iY * FontAtlas::CacheTextureWidth)) * 2 + 1] = tempChar;
|
||||
|
||||
iX += 1;
|
||||
}
|
||||
|
||||
iX = posX;
|
||||
iX = posX;
|
||||
iY += 1;
|
||||
}
|
||||
delete [] bitmap;
|
||||
delete[] bitmap;
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
@ -697,15 +730,15 @@ void FontFreeType::renderCharAt(unsigned char *dest,int posX, int posY, unsigned
|
|||
unsigned char cTemp = bitmap[bitmap_y + x];
|
||||
|
||||
// the final pixel
|
||||
dest[(iX + ( iY * FontAtlas::CacheTextureWidth ) )] = cTemp;
|
||||
dest[(iX + (iY * FontAtlas::CacheTextureWidth))] = cTemp;
|
||||
|
||||
iX += 1;
|
||||
}
|
||||
|
||||
iX = posX;
|
||||
iX = posX;
|
||||
iY += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void FontFreeType::setGlyphCollection(GlyphCollection glyphs, const char* customGlyphs /* = nullptr */)
|
||||
|
|
@ -722,25 +755,25 @@ const char* FontFreeType::getGlyphCollection() const
|
|||
const char* glyphCollection = nullptr;
|
||||
switch (_usedGlyphs)
|
||||
{
|
||||
case cocos2d::GlyphCollection::DYNAMIC:
|
||||
break;
|
||||
case cocos2d::GlyphCollection::NEHE:
|
||||
glyphCollection = _glyphNEHE;
|
||||
break;
|
||||
case cocos2d::GlyphCollection::ASCII:
|
||||
glyphCollection = _glyphASCII;
|
||||
break;
|
||||
case cocos2d::GlyphCollection::CUSTOM:
|
||||
glyphCollection = _customGlyphs.c_str();
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
case cocos2d::GlyphCollection::DYNAMIC:
|
||||
break;
|
||||
case cocos2d::GlyphCollection::NEHE:
|
||||
glyphCollection = _glyphNEHE;
|
||||
break;
|
||||
case cocos2d::GlyphCollection::ASCII:
|
||||
glyphCollection = _glyphASCII;
|
||||
break;
|
||||
case cocos2d::GlyphCollection::CUSTOM:
|
||||
glyphCollection = _customGlyphs.c_str();
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return glyphCollection;
|
||||
}
|
||||
|
||||
void FontFreeType::releaseFont(const std::string &fontName)
|
||||
void FontFreeType::releaseFont(const std::string& fontName)
|
||||
{
|
||||
auto item = s_cacheFontData.begin();
|
||||
while (s_cacheFontData.end() != item)
|
||||
|
|
|
|||
|
|
@ -71,7 +71,7 @@ public:
|
|||
* dimensions. The application has to cater for this, especially if it
|
||||
* wants to rely on a TTF's vertical data (for example, to properly align
|
||||
* box characters vertically).
|
||||
* - since freetype-2.8.1 TureType acender,decender not sync to size_matrics
|
||||
* - Since freetype-2.8.1 TureType matrics isn't sync to size_matrics
|
||||
* - By default it's enabled for compatible with cocos2d-x-4.0 or older with freetype-2.5.5
|
||||
* - Please see freetype.h
|
||||
* */
|
||||
|
|
|
|||
Loading…
Reference in New Issue