mth/ebiten
1
0
Fork 0
mirror of https://github.com/hajimehoshi/ebiten.git synced 2024-11-10 04:57:26 +01:00
Code Issues Packages Projects Releases Wiki Activity

examples/blend: use text/v2

Browse Source 
Updates #2454
This commit is contained in:
Hajime Hoshi 2023-11-16 22:18:49 +09:00
parent cec8017ebe
commit a749f6fbc3
1 changed files with 11 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
examples/blend/main.go
View File

@ -22,13 +22,11 @@ import (
_ "image/png"
"log"
"golang.org/x/image/font"
"golang.org/x/image/font/inconsolata"
"golang.org/x/image/math/fixed"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/examples/resources/images/blend"
"github.com/hajimehoshi/ebiten/v2/text"
"github.com/hajimehoshi/ebiten/v2/text/v2"
)
const (
@ -36,6 +34,10 @@ const (
screenHeight = 800
)
var (
inconsolataFace = text.NewStdFace(inconsolata.Bold8x16)
)
// mode is a blend mode with description.
type mode struct {
blend ebiten.Blend
@ -176,17 +178,14 @@ func maxSide(a, b *ebiten.Image) int {
)
}
func fixed26_6ToFloat64(x fixed.Int26_6) float64 {
return float64(x>>6) + float64(x&((1<<6)-1))/float64(1<<6)
}
// drawCenteredText is a util function for drawing blend mode description.
func drawCenteredText(screen *ebiten.Image, cx, cy float64, s string) {
advance := font.MeasureString(inconsolata.Bold8x16, s)
m := inconsolata.Bold8x16.Metrics()
height := m.Ascent + m.Descent
x, y := int(cx-fixed26_6ToFloat64(advance)/2), int(cy-fixed26_6ToFloat64(height)/2+fixed26_6ToFloat64(m.Ascent))
text.Draw(screen, s, inconsolata.Bold8x16, x, y, color.Black)
op := &text.DrawOptions{}
op.GeoM.Translate(cx, cy)
op.ColorScale.ScaleWithColor(color.Black)
op.PrimaryAlign = text.AlignCenter
op.SecondaryAlign = text.AlignCenter
text.Draw(screen, s, inconsolataFace, op)
}
func main() {