diff options
Diffstat (limited to 'Godeps/_workspace/src/code.google.com/p/freetype-go/example/truetype/main.go')
-rw-r--r-- | Godeps/_workspace/src/code.google.com/p/freetype-go/example/truetype/main.go | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/freetype-go/example/truetype/main.go b/Godeps/_workspace/src/code.google.com/p/freetype-go/example/truetype/main.go new file mode 100644 index 000000000..747694b61 --- /dev/null +++ b/Godeps/_workspace/src/code.google.com/p/freetype-go/example/truetype/main.go @@ -0,0 +1,73 @@ +// Copyright 2010 The Freetype-Go Authors. All rights reserved. +// Use of this source code is governed by your choice of either the +// FreeType License or the GNU General Public License version 2 (or +// any later version), both of which can be found in the LICENSE file. + +package main + +import ( + "flag" + "fmt" + "io/ioutil" + "log" + + "code.google.com/p/freetype-go/freetype/truetype" +) + +var fontfile = flag.String("fontfile", "../../testdata/luxisr.ttf", "filename of the ttf font") + +func printBounds(b truetype.Bounds) { + fmt.Printf("XMin:%d YMin:%d XMax:%d YMax:%d\n", b.XMin, b.YMin, b.XMax, b.YMax) +} + +func printGlyph(g *truetype.GlyphBuf) { + printBounds(g.B) + fmt.Print("Points:\n---\n") + e := 0 + for i, p := range g.Point { + fmt.Printf("%4d, %4d", p.X, p.Y) + if p.Flags&0x01 != 0 { + fmt.Print(" on\n") + } else { + fmt.Print(" off\n") + } + if i+1 == int(g.End[e]) { + fmt.Print("---\n") + e++ + } + } +} + +func main() { + flag.Parse() + fmt.Printf("Loading fontfile %q\n", *fontfile) + b, err := ioutil.ReadFile(*fontfile) + if err != nil { + log.Println(err) + return + } + font, err := truetype.Parse(b) + if err != nil { + log.Println(err) + return + } + fupe := font.FUnitsPerEm() + printBounds(font.Bounds(fupe)) + fmt.Printf("FUnitsPerEm:%d\n\n", fupe) + + c0, c1 := 'A', 'V' + + i0 := font.Index(c0) + hm := font.HMetric(fupe, i0) + g := truetype.NewGlyphBuf() + err = g.Load(font, fupe, i0, truetype.NoHinting) + if err != nil { + log.Println(err) + return + } + fmt.Printf("'%c' glyph\n", c0) + fmt.Printf("AdvanceWidth:%d LeftSideBearing:%d\n", hm.AdvanceWidth, hm.LeftSideBearing) + printGlyph(g) + i1 := font.Index(c1) + fmt.Printf("\n'%c', '%c' Kerning:%d\n", c0, c1, font.Kerning(fupe, i0, i1)) +} |