try to copy whole design from python gameshell launcher

sysgo/UI/label.go

@@ -0,0 +1,91 @@
+package UI
+
+import (
+	
+	"github.com/veandco/go-sdl2/ttf"
+
+	"github.com/cuu/gogame/color"
+	"github.com/cuu/gogame/font"
+)
+
+type LabelInterface interface {
+	Init( text string, font_obj *ttf.Font,col *color.Color )
+	Coord() (int,int)
+	Size() (int,int)
+	NewCoord(x,y int)
+	SetColor(col *color.Color )
+	GetText() string
+	SetText(text string)
+	Draw()
+}
+
+type Label struct {
+	PosX int
+	PosY int
+	Width int
+	Height int
+	Text string
+	FontObj *ttf.Font
+	Color  *color.Color
+	CanvasHWND *sdl.Surface
+//	TextSurf *sdl.Surface
+}
+
+func NewLabel() *Label() {
+	l := &Label{}
+	l.Color = &color.Color{83,83,83,255}
+	return l
+}
+
+func (self *Label) Init(text string, font_obj *ttf.Font,col *color.Color ) {
+	if col != nil {
+		self.Color = col
+	}
+
+	self.Text = text
+
+	self.FontObj = font_obj
+
+	self.Width,self.Height = font.Size(self.FontObj, self.Text)
+	
+}
+
+func (self *Label) Coord() (int,int) {
+	return self.PosX,self.PosY
+}
+
+func (self *Label) Size() (int,int) {
+	return self.Width,self.Height
+}
+
+func (self *Label) NewCoord(x,y int) {
+	self.PosX = x
+	self.PosY = y
+	
+}
+
+func (self *Label) SetColor(col *color.Color){
+	if col != nil {
+		self.Color = col
+	}
+}
+
+func (self *Label) GetText() string {
+	return self.Text
+}
+
+
+func (self *Label) SetText(text string) {
+	self.Text = text
+	self.Width,self.Height = font.Size(self.FontObj, self.Text)
+}
+
+func (self *Label) Draw() {
+	font.SetBold(self.FontObj,false) // avoing same font tangling set_bold to others
+	my_text := font.Render(self.FontObj,self.Text, true, self.Color, nil)
+
+	rect_ := &rect.Rect{self.PosX,self.PosY,self.Width,self.Height}
+	
+	surface.Blit(self.CanvasHWND,my_text,rect_,nil)
+	
+}