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text/v2: avoid creating an option struct when the given option is nil

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Hajime Hoshi 2024-04-07 22:27:26 +09:00
parent 2b9e307ec2
commit c9a3ef28eb
1 changed files with 7 additions and 5 deletions
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12
text/v2/layout.go
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@ -101,15 +101,17 @@ type LayoutOptions struct {
// If the vertical alignment is center, the rendering region's middle Y comes to the origin.
// If the vertical alignment is bottom, the rendering region's bottom Y comes to the origin.
func Draw(dst *ebiten.Image, text string, face Face, options *DrawOptions) {
if options == nil {
options = &DrawOptions{}
var layoutOp LayoutOptions
var drawOp ebiten.DrawImageOptions
if options != nil {
layoutOp = options.LayoutOptions
drawOp = options.DrawImageOptions
}
// Copy the options to avoid modifying the original options (#2954).
drawOp := options.DrawImageOptions
geoM := drawOp.GeoM
for _, g := range AppendGlyphs(nil, text, face, &options.LayoutOptions) {
for _, g := range AppendGlyphs(nil, text, face, &layoutOp) {
if g.Image == nil {
continue
}