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go-opengl-pixel
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add Text.SetMatrix and Text.SetColorMask

This commit is contained in:
faiface 2017-05-03 21:48:05 +02:00
parent 6a7500959f
commit 3b1e0eaa21
1 changed files with 14 additions and 1 deletions
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15
text/text.go
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@ -50,6 +50,7 @@ type Text struct {
glyph pixel.TrianglesData glyph pixel.TrianglesData
tris pixel.TrianglesData tris pixel.TrianglesData
d pixel.Drawer d pixel.Drawer
trans *pixel.Batch
} }
func New(face font.Face, runeSets ...[]rune) *Text { func New(face font.Face, runeSets ...[]rune) *Text {
@ -69,12 +70,21 @@ func New(face font.Face, runeSets ...[]rune) *Text {
txt.glyph.SetLen(6) txt.glyph.SetLen(6)
txt.d.Picture = txt.atlas.pic txt.d.Picture = txt.atlas.pic
txt.d.Triangles = &txt.tris txt.d.Triangles = &txt.tris
txt.trans = pixel.NewBatch(&pixel.TrianglesData{}, atlas.pic)
txt.Clear() txt.Clear()
return txt return txt
} }
func (txt *Text) SetMatrix(m pixel.Matrix) {
txt.trans.SetMatrix(m)
}
func (txt *Text) SetColorMask(c color.Color) {
txt.trans.SetColorMask(c)
}
func (txt *Text) Color(c color.Color) { func (txt *Text) Color(c color.Color) {
txt.color = pixel.ToRGBA(c) txt.color = pixel.ToRGBA(c)
} }
@ -118,6 +128,7 @@ func (txt *Text) Write(p []byte) (n int, err error) {
txt.Dot = txt.Dot.WithX(txt.Orig.X()) txt.Dot = txt.Dot.WithX(txt.Orig.X())
continue continue
case '\t': case '\t':
//TODO: properly align tab
txt.Dot += pixel.X(txt.tabWidth) txt.Dot += pixel.X(txt.tabWidth)
continue continue
} }
@ -153,7 +164,9 @@ func (txt *Text) Write(p []byte) (n int, err error) {
} }
func (txt *Text) Draw(t pixel.Target) { func (txt *Text) Draw(t pixel.Target) {
txt.d.Draw(t) txt.trans.Clear()
txt.d.Draw(txt.trans)
txt.trans.Draw(t)
} }
type atlas struct { type atlas struct {