func loadImageDirectory(ctx *nanovgo.Context, dir string) []nanogui.Image {
var images []nanogui.Image
files, err := ioutil.ReadDir(dir)
if err != nil {
panic(fmt.Sprintf("loadImageDirectory: read error %v\n", err))
}
for _, file := range files {
if file.IsDir() {
continue
}
ext := path.Ext(file.Name())
if ext != ".png" {
continue
}
fullPath := path.Join(dir, file.Name())
img := ctx.CreateImage(fullPath, 0)
if img == 0 {
panic("Could not open image data!")
}
images = append(images, nanogui.Image{
ImageID: img,
Name: fullPath[:len(fullPath)-4],
})
}
return images
}
func LoadDemo(ctx *nanovgo.Context) *demo.DemoData {
d := &demo.DemoData{}
for i := 0; i < 12; i++ {
path := fmt.Sprintf("images/image%d.jpg", i+1)
d.Images = append(d.Images, ctx.CreateImage(path, 0))
if d.Images[i] == 0 {
log.Fatalf("Could not load %s", path)
}
}
d.FontIcons = ctx.CreateFont("icons", "entypo.ttf")
if d.FontIcons == -1 {
log.Fatalln("Could not add font icons.")
}
d.FontNormal = ctx.CreateFont("sans", "Roboto-Regular.ttf")
if d.FontNormal == -1 {
log.Fatalln("Could not add font italic.")
}
d.FontBold = ctx.CreateFont("sans-bold", "Roboto-Bold.ttf")
if d.FontBold == -1 {
log.Fatalln("Could not add font bold.")
}
return d
}