From 3d3cbd6027061b90e7963af3788e1fba48b7346b Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Thu, 4 May 2017 22:30:18 +0200
Subject: [PATCH] fix Text.Color
---
text/text.go | 32 +++++++++++++++++---------------
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/text/text.go b/text/text.go
index af090c1..7411fcc 100644
--- a/text/text.go
+++ b/text/text.go
@@ -2,6 +2,7 @@ package text
import (
"image/color"
+ "math"
"unicode"
"unicode/utf8"
@@ -39,7 +40,6 @@ type Text struct {
atlas *Atlas
- color pixel.RGBA
lineHeight float64
tabWidth float64
@@ -60,11 +60,16 @@ func New(face font.Face, runeSets ...[]rune) *Text {
txt := &Text{
atlas: atlas,
- color: pixel.Alpha(1),
lineHeight: atlas.LineHeight(),
tabWidth: atlas.Glyph(' ').Advance * 4,
}
+
txt.glyph.SetLen(6)
+ for i := range txt.glyph {
+ txt.glyph[i].Color = pixel.Alpha(1)
+ txt.glyph[i].Intensity = 1
+ }
+
txt.d.Picture = txt.atlas.pic
txt.d.Triangles = &txt.tris
txt.trans = pixel.NewBatch(&pixel.TrianglesData{}, atlas.pic)
@@ -87,7 +92,10 @@ func (txt *Text) SetColorMask(c color.Color) {
}
func (txt *Text) Color(c color.Color) {
- txt.color = pixel.ToRGBA(c)
+ rgba := pixel.ToRGBA(c)
+ for i := range txt.glyph {
+ txt.glyph[i].Color = rgba
+ }
}
func (txt *Text) LineHeight(scale float64) {
@@ -111,11 +119,6 @@ func (txt *Text) Write(p []byte) (n int, err error) {
return
}
- for i := range txt.glyph {
- txt.glyph[i].Color = txt.color
- txt.glyph[i].Intensity = 1
- }
-
for len(p) > 0 {
r, size := utf8.DecodeRune(p)
p = p[size:]
@@ -130,11 +133,6 @@ func (txt *Text) WriteString(s string) (n int, err error) {
return
}
- for i := range txt.glyph {
- txt.glyph[i].Color = txt.color
- txt.glyph[i].Intensity = 1
- }
-
for _, r := range s {
txt.WriteRune(r)
}
@@ -159,8 +157,12 @@ func (txt *Text) WriteRune(r rune) (n int, err error) {
txt.Dot = txt.Dot.WithX(txt.Orig.X())
return
case '\t':
- //TODO: properly align tab
- txt.Dot += pixel.X(txt.tabWidth)
+ rem := math.Mod(txt.Dot.X()-txt.Orig.X(), txt.tabWidth)
+ rem = math.Mod(rem, rem+txt.tabWidth)
+ if rem == 0 {
+ rem = txt.tabWidth
+ }
+ txt.Dot += pixel.X(rem)
return
}
--
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