Added the option for image to take its original size

ImageWidgets.go

@@ -15,6 +15,8 @@ import (
 var _ Widget = &ImageWidget{}
 
 // ImageWidget adds an image.
+// The default size is the size of the image,
+// to set a specific size, use .Size(width, height).
 // NOTE: ImageWidget is going to be deprecated. ImageWithRGBAWidget
 // should be used instead, however, because it is a native
 // imgui's solution it is still there.
@@ -31,8 +33,8 @@ type ImageWidget struct {
 func Image(texture *Texture) *ImageWidget {
 	return &ImageWidget{
 		texture:     texture,
-		width:       100,
-		height:      100,
+		width:       0,
+		height:      0,
 		uv0:         imgui.Vec2{X: 0, Y: 0},
 		uv1:         imgui.Vec2{X: 1, Y: 1},
 		tintColor:   color.RGBA{255, 255, 255, 255},
@@ -74,14 +76,23 @@ func (i *ImageWidget) Size(width, height float32) *ImageWidget {
 
 // Build implements Widget interface.
 func (i *ImageWidget) Build() {
+	if i.width == 0 && i.height == 0 {
+		if i.texture != nil {
+			i.width, i.height = float32(i.texture.tex.Width), float32(i.texture.tex.Height)
+		} else {
+			i.width, i.height = 100, 100
+		}
+	}
+
 	size := imgui.Vec2{X: i.width, Y: i.height}
-	rect := imgui.ContentRegionAvail()
 
 	if size.X == -1 {
+		rect := imgui.ContentRegionAvail()
 		size.X = rect.X
 	}
 
 	if size.Y == -1 {
+		rect := imgui.ContentRegionAvail()
 		size.Y = rect.Y
 	}
 
@@ -134,6 +145,8 @@ type ImageWithRgbaWidget struct {
 }
 
 // ImageWithRgba creates ImageWithRgbaWidget.
+// The default size is the size of the image,
+// to set a specific size, use .Size(width, height).
 func ImageWithRgba(rgba image.Image) *ImageWithRgbaWidget {
 	return &ImageWithRgbaWidget{
 		id:   GenAutoID("ImageWithRgba"),
@@ -193,6 +206,8 @@ type ImageWithFileWidget struct {
 }
 
 // ImageWithFile constructs a new ImageWithFileWidget.
+// The default size is the size of the image,
+// to set a specific size, use .Size(width, height).
 func ImageWithFile(imgPath string) *ImageWithFileWidget {
 	return &ImageWithFileWidget{
 		id:      fmt.Sprintf("ImageWithFile_%s", imgPath),
@@ -255,6 +270,8 @@ type ImageWithURLWidget struct {
 }
 
 // ImageWithURL creates ImageWithURLWidget.
+// The default size is the size of the image,
+// to set a specific size, use .Size(width, height).
 func ImageWithURL(url string) *ImageWithURLWidget {
 	return &ImageWithURLWidget{
 		id:              fmt.Sprintf("ImageWithURL_%s", url),
@@ -374,6 +391,8 @@ func (i *ImageWithURLWidget) Build() {
 		}()
 	}
 
+	imgState = GetState[imageState](Context, i.id)
+
 	switch {
 	case imgState.failure:
 		i.whenFailure.Build()