/// <summary>
/// Create an auto-layout image.
/// </summary>
/// <param name="filePath">file path of the image to display. The path should be relative to current dir or absolute.</param>
public static void Image(string filePath)
{
GUIContext g = GetCurrentContext();
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return;
}
var id = window.GetID(filePath);
// style
var style = GUIStyle.Basic;
style.PushBorder(1.0);
// rect
var texture = TextureUtil.GetTexture(filePath);
Size size = style.CalcSize(texture, GUIState.Normal);
var rect = window.GetRect(id);
// render
DrawList d = window.DrawList;
style.PushBorderColor(Color.Black);//+4
d.DrawBoxModel(rect, texture, style);
style.PopStyle(4 + 4);
}
/// <summary>
/// Create an image.
/// </summary>
/// <param name="rect">position and size</param>
/// <param name="filePath">file path of the image. The path should be relative to current dir or absolute.</param>
public static void Image(Rect rect, string filePath)
{
GUIContext g = GetCurrentContext();
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return;
}
// style apply
var style = GUIStyle.Basic;
style.PushBorder(1.0);//+4
// rect
rect = window.GetRect(rect);
// render
var texture = TextureUtil.GetTexture(filePath);
DrawList d = window.DrawList;
style.PushBorderColor(Color.Black);//+4
d.DrawBoxModel(rect, texture, style);
style.PopStyle(4 + 4);
}
public static bool ImageButton(string filePath, Size size, Point uv0, Point uv1)
{
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return(false);
}
var id = window.GetID(filePath);
// style
var style = GUIStyle.Basic;
style.Save();
style.ApplySkin(GUIControlName.Button);
// rect
var texture = TextureUtil.GetTexture(filePath);
if (size == Size.Empty)
{
size = style.CalcSize(texture, GUIState.Normal);
}
var rect = window.GetRect(id);
if (rect == Layout.StackLayout.DummyRect)
{
style.Restore();
return(false);
}
// interact
bool hovered, held;
bool pressed = GUIBehavior.ButtonBehavior(rect, id, out hovered, out held, 0);
// render
style.PushUV(uv0, uv1);
var d = window.DrawList;
var state = (hovered && held) ? GUIState.Active : hovered ? GUIState.Hover : GUIState.Normal;
d.DrawBoxModel(rect, texture, style, state);
style.Restore();
return(pressed);
}
public static bool ImageButton(string filePath, Size size, Vector offset)
{
var window = GetCurrentWindow();
if (window.SkipItems)
{
return(false);
}
//get or create the root node
var id = window.GetID(filePath);
var container = window.RenderTree.CurrentContainer;
var node = container.GetNodeById(id);
if (node == null)
{
//create node
node = new Node(id, $"Button<{filePath}>");
node.UseBoxModel = true;
node.RuleSet.Replace(GUISkin.Current[GUIControlName.Button]);
node.RuleSet.ObjectPosition = (offset.X, offset.Y);
node.AttachLayoutEntry(size);
}
container.AppendChild(node);
node.ActiveSelf = true;
// rect
node.Rect = window.GetRect(id);
// interact
var pressed = GUIBehavior.ButtonBehavior(node.Rect, node.Id, out var hovered, out var held);
node.State = (hovered && held) ? GUIState.Active : hovered ? GUIState.Hover : GUIState.Normal;
// last item state
window.TempData.LastItemState = node.State;
// draw
using (var dc = node.RenderOpen())
{
var texture = TextureUtil.GetTexture(filePath);
dc.DrawBoxModel(texture, node.RuleSet, node.Rect);
}
return(pressed);
}
public static bool ImageButton(string filePath)
{
var texture = TextureUtil.GetTexture(filePath);
return(ImageButton(filePath, texture.Size, Vector.Zero));
}
