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feat(渲染能力): 完善三维渲染、字体及版本保存
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xiaoqidun committed 2026-10-11 10:20:14 +08:00
1 parent 13dbacad15
commit f71000befd
45 files changed
+4383 -422
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ofdgo_font_resource_sfnt.go
+16 -11
View File
@@ -102,7 +102,11 @@ func sfntSubsettable(sfnt *sfntFont) bool {
return false
}
font, err := readType2Font(sfnt.Tables["CFF "])
return err == nil && len(font.chars) == int(sfnt.NumGlyphs()) || staticCFFPrograms(sfnt) != nil
if err == nil {
return len(font.chars) == int(sfnt.NumGlyphs())
}
cid, err := readCIDSubsetFont(sfnt.Tables["CFF "])
return err == nil && len(cid.fonts[0].chars) == int(sfnt.NumGlyphs())
}
return sfnt.IsTrueType && (sfnt.Tables["fvar"] == nil || variableSFNTSubsettable(sfnt))
}
@@ -166,13 +170,14 @@ func subsetSFNTFont(data []byte, glyphs []uint16, mapped bool) ([]byte, error) {
return bytes.Clone(data), nil
}
if sfnt.IsCFF {
if font, err := readType2Font(sfnt.Tables["CFF "]); err == nil {
if len(font.chars) != int(sfnt.NumGlyphs()) {
return nil, fmt.Errorf("CFF glyph count does not match maxp")
}
return subsetNamedCFFFont(sfnt, glyphs)
count, err := parseCFFAndCountGlyphs(sfnt.Tables["CFF "])
if err != nil {
return nil, err
}
return subsetStaticCFFFont(sfnt, glyphs)
if count != int(sfnt.NumGlyphs()) {
return nil, fmt.Errorf("CFF glyph count does not match maxp")
}
return subsetCFFFont(sfnt, glyphs, mapped)
}
if sfnt.Tables["fvar"] != nil {
return subsetVariableSFNTFont(sfnt, glyphs)
@@ -203,7 +208,7 @@ func subsetSFNTFont(data []byte, glyphs []uint16, mapped bool) ([]byte, error) {
return subsetCompactSFNTFont(sfnt, glyphs)
}
// subsetSourceSFNTFont 裁剪静态TrueType或非CID的CFF原有字体，保留字形编号、组合依赖、度量和提示指令
// subsetSourceSFNTFont 裁剪静态TrueType或CFF原有字体，保留字形编号、组合依赖、度量和提示指令
// 集合、字形替换、可变、彩色和未知表保持原样，不对不完整的引用或异常字体猜测修复
// 入参: data 字体数据, usage 全包用字记录
// 返回: []byte 更小的字体子集，无确定收益时为空
@@ -217,7 +222,7 @@ func subsetSourceSFNTFont(data []byte, usage *editorFontUsage) []byte {
}
for tag := range sfnt.Tables {
switch tag {
case "cmap", "head", "hhea", "hmtx", "maxp", "OS/2", "post", "name", "glyf", "loca", "CFF ", "cvt ", "fpgm", "prep", "gasp", "kern", "vhea", "vmtx", "hdmx", "LTSH", "VDMX", "GDEF", "GPOS", "DSIG", "FFTM":
case "cmap", "head", "hhea", "hmtx", "maxp", "OS/2", "post", "name", "glyf", "loca", "CFF ", "cvt ", "fpgm", "prep", "gasp", "kern", "vhea", "vmtx", "VORG", "hdmx", "LTSH", "VDMX", "GDEF", "GPOS", "DSIG", "FFTM":
default:
return nil
}
@@ -250,8 +255,8 @@ func subsetSourceSFNTFont(data []byte, usage *editorFontUsage) []byte {
}
}
if sfnt.IsCFF {
font, err := readType2Font(sfnt.Tables["CFF "])
if err != nil || len(font.chars) != int(sfnt.NumGlyphs()) {
count, err := parseCFFAndCountGlyphs(sfnt.Tables["CFF "])
if err != nil || count != int(sfnt.NumGlyphs()) {
return nil
}
cff, err := subsetCFFCharstrings(sfnt.Tables["CFF "], glyphs)