tree widget

1 files changed, 0 insertions, 78 deletions

diff --git a/gui/widget/text.go b/gui/widget/text.go
deleted file mode 100644
index 1b40096..0000000
--- a/gui/widget/text.go
+++ /dev/null
@@ -1,78 +0,0 @@
-package widget
-
-import (
-	"log"
-	"sync"
-
-	"image"
-	"image/color"
-	"image/draw"
-
-	"golang.org/x/image/font"
-	"golang.org/x/image/font/gofont/goregular"
-	"golang.org/x/image/font/opentype"
-	"golang.org/x/image/math/fixed"
-)
-
-var (
-	FONT      = goregular.TTF
-	FONT_SIZE = 15
-	DPI       = 72
-	PAD       = 3
-)
-
-var face *concurrentFace
-
-func init() {
-	fnt, err := opentype.Parse(FONT)
-	if err != nil {
-		log.Fatal(err)
-	}
-	fce, err := opentype.NewFace(fnt, &opentype.FaceOptions{
-		Size: float64(FONT_SIZE),
-		DPI:  float64(DPI),
-	})
-	if err != nil {
-		log.Fatal(err)
-	}
-	face = &concurrentFace{sync.Mutex{}, fce}
-}
-
-func TextSize(text string) image.Point {
-	bounds := textBounds([]byte(text), font.Drawer{Face: face})
-	return image.Point{bounds.Max.X - bounds.Min.X + 2*PAD, bounds.Max.Y - bounds.Min.Y + 2*PAD}
-}
-
-func drawText(text []byte, dst draw.Image, r image.Rectangle, fg, bg color.Color) {
-	drawer := font.Drawer{
-		Src:  &image.Uniform{fg},
-		Face: face,
-		Dot:  fixed.P(0, 0),
-	}
-
-	// background
-	draw.Draw(dst, r, &image.Uniform{bg}, image.ZP, draw.Src)
-
-	// text image
-	bounds := textBounds(text, drawer)
-	textImg := image.NewRGBA(bounds)
-	draw.Draw(textImg, bounds, &image.Uniform{bg}, image.ZP, draw.Src)
-	drawer.Dst = textImg
-	drawer.DrawBytes(text)
-
-	// draw text image over background
-	leftCentre := image.Pt(bounds.Min.X, (bounds.Min.Y+bounds.Max.Y)/2)
-	target := image.Pt(r.Max.X-bounds.Max.X-PAD, (r.Min.Y+r.Max.Y)/2)
-	delta := target.Sub(leftCentre)
-	draw.Draw(dst, bounds.Add(delta).Intersect(r), drawer.Dst, bounds.Min, draw.Src)
-}
-
-func textBounds(text []byte, drawer font.Drawer) image.Rectangle {
-	b, _ := drawer.BoundBytes(text)
-	return image.Rect(
-		b.Min.X.Floor(),
-		b.Min.Y.Floor(),
-		b.Max.X.Ceil(),
-		b.Max.Y.Ceil(),
-	)
-}