doc: Refactoring

_docs/gen.go

@@ -131,29 +131,17 @@ func safeHTML(text string) template.HTML {
 }
 
 type example struct {
-	Name string
-}
-
-func (e *example) ThumbWidth() int {
-	if e.Name == "blocks" {
-		return 256
-	}
-	return 320
-}
-
-func (e *example) ThumbHeight() int {
-	if e.Name == "blocks" {
-		return 240
-	}
-	return 240
+	Name        string
+	ThumbWidth  int
+	ThumbHeight int
 }
 
 func (e *example) Width() int {
-	return e.ThumbWidth() * 2
+	return e.ThumbWidth * 2
 }
 
 func (e *example) Height() int {
-	return e.ThumbHeight() * 2
+	return e.ThumbHeight * 2
 }
 
 const commentForBlocks = `// Please read examples/blocks/main.go and examples/blocks/blocks/*.go
@@ -179,22 +167,22 @@ func versions() string {
 }
 
 var examples = []example{
-	{Name: "alphablending"},
-	{Name: "audio"},
-	{Name: "font"},
-	{Name: "hsv"},
-	{Name: "hue"},
-	{Name: "gamepad"},
-	{Name: "keyboard"},
-	{Name: "masking"},
-	{Name: "mosaic"},
-	{Name: "noise"},
-	{Name: "paint"},
-	{Name: "perspective"},
-	{Name: "piano"},
-	{Name: "rotate"},
-	{Name: "sprites"},
-	{Name: "blocks"},
+	{"alphablending", 320, 240},
+	{"audio", 320, 240},
+	{"font", 320, 240},
+	{"hsv", 320, 240},
+	{"hue", 320, 240},
+	{"gamepad", 320, 240},
+	{"keyboard", 320, 240},
+	{"masking", 320, 240},
+	{"mosaic", 320, 240},
+	{"noise", 320, 240},
+	{"paint", 320, 240},
+	{"perspective", 320, 240},
+	{"piano", 320, 240},
+	{"rotate", 320, 240},
+	{"sprites", 320, 240},
+	{"blocks", 256, 240},
 }
 
 func clear() error {