func (l *TextInstanceList) repackImage() (err error) {
var (
newImage *sprites.PackedSheet
instance *render.Instance
sprite *sprites.Sprite
)
if glog.V(1) {
glog.Info("Repacking image")
}
newImage = sprites.NewPackedSheet(
l.sheet.Width,
l.sheet.Height,
)
instance = l.Head()
for instance != nil {
if err = newImage.Copy(instance.Key, l.sheet); err != nil {
return
}
if sprite, err = newImage.Sheet.Sprite(instance.Key); err != nil {
return
}
instance.Frame = sprite.Index()
instance.MarkChanged()
instance = instance.Next()
}
l.sheet = newImage
if err = l.generateTexture(); err != nil {
return
}
if glog.V(1) {
glog.Info("Done repacking")
}
return
}
func NewTextInstanceList(cfg Config) *TextInstanceList {
return &TextInstanceList{
InstanceList: render.NewInstanceList(),
cfg: cfg,
sheet: sprites.NewPackedSheet(
cfg.TextureWidth,
cfg.TextureHeight,
),
}
}