Initial commit

app/fyne_demo/data/icons.go

@@ -0,0 +1,43 @@
+package data
+
+//go:generate fyne bundle -package data -o bundled.go assets
+
+import (
+	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/theme"
+)
+
+// ThemedResource is a resource wrapper that will return an appropriate resource
+// for the currently selected theme.
+type ThemedResource struct {
+	dark, light fyne.Resource
+}
+
+func isLight() bool {
+	r, g, b, _ := theme.ForegroundColor().RGBA()
+	return r < 0xaaaa && g < 0xaaaa && b < 0xaaaa
+}
+
+// Name returns the underlying resource name (used for caching)
+func (res *ThemedResource) Name() string {
+	if isLight() {
+		return res.light.Name()
+	}
+	return res.dark.Name()
+}
+
+// Content returns the underlying content of the correct resource for the current theme
+func (res *ThemedResource) Content() []byte {
+	if isLight() {
+		return res.light.Content()
+	}
+	return res.dark.Content()
+}
+
+// NewThemedResource creates a resource that adapts to the current theme setting.
+func NewThemedResource(dark, light fyne.Resource) *ThemedResource {
+	return &ThemedResource{dark, light}
+}
+
+// FyneScene contains the full fyne logo with background design
+var FyneScene = NewThemedResource(resourceFynescenedarkPng, resourceFynescenelightPng)