/// <summary>
/// 用OpenGL初始化和渲染一个模型。
/// <para>Initialize and render something with OpenGL.</para>
/// </summary>
/// <param name="anchor"></param>
public GLControl(GUIAnchorStyles anchor)
{
this.Id = idCounter++;
this.Children = new GLControlChildren(this);
this.Anchor = anchor;
}
/// <summary>
///
/// </summary>
/// <param name="capacity"></param>
/// <param name="anchor"></param>
public CtrlLabel(int capacity, GUIAnchorStyles anchor)
: base(anchor)
{
if (capacity < 0)
{
throw new ArgumentException("capacity");
}
this.Size = new GUISize(20, 20);
var model = new GlyphsModel(capacity);
this.labelModel = model;
var vs = new VertexShader(vert);
var fs = new FragmentShader(frag);
var codes = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add(inPosition, GlyphsModel.position);
map.Add(inSTR, GlyphsModel.STR);
var blend = new BlendSwitch(BlendingSourceFactor.SourceAlpha, BlendingDestinationFactor.OneMinusSourceAlpha);
var methodBuilder = new RenderMethodBuilder(codes, map, blend);
this.RenderUnit = new ModernRenderUnit(model, methodBuilder);
this.Initialize();
}
internal static void LayoutAfterAddChild(GLControl control, GLControl parent)
{
GUIAnchorStyles anchor = control.Anchor;
if ((anchor & leftRightAnchor) == leftRightAnchor)
{
control.Width = parent.width - control.left - control.right;
}
else if ((anchor & leftAnchor) == leftAnchor)
{
control.right = parent.width - control.left - control.width;
}
else if ((anchor & rightAnchor) == rightAnchor)
{
control.left = parent.width - control.width - control.right;
}
else // if ((anchor & noneAnchor) == nonAnchor)
{
int diff = parent.width - control.left - control.width - control.right;
int halfDiff = diff / 2;
int otherHalfDiff = diff - halfDiff;
control.left += halfDiff;
control.right += otherHalfDiff;
}
}
private static void LayoutAfterHeightChanged(GLControl parent, GLControlChildren glControlChildren)
{
foreach (var control in glControlChildren)
{
GUIAnchorStyles anchor = control.Anchor;
if ((anchor & bottomTopAnchor) == bottomTopAnchor)
{
control.Height = parent.height - control.bottom - control.top;
}
else if ((anchor & bottomAnchor) == bottomAnchor)
{
control.top = parent.height - control.bottom - control.height;
}
else if ((anchor & topAnchor) == topAnchor)
{
control.bottom = parent.height - control.top - control.height;
control.absBottom = parent.absBottom + control.bottom;
}
else // if ((anchor & noneAnchor) == noneAnchor)
{
int diff = parent.height - control.top - control.height - control.bottom;
int halfDiff = diff / 2;
int OtherHalfDiff = diff - halfDiff;
control.bottom += halfDiff;
control.absBottom = parent.absBottom + control.bottom;
control.top += OtherHalfDiff;
}
}
}
private static void LayoutAfterWidthChanged(GLControl parent, GLControlChildren glControlChildren)
{
foreach (var control in glControlChildren)
{
if (control.parent != parent)
{
throw new Exception("Parent info not matching!");
}
GUIAnchorStyles anchor = control.Anchor;
if ((anchor & leftRightAnchor) == leftRightAnchor)
{
control.Width = parent.width - control.left - control.right;
}
else if ((anchor & leftAnchor) == leftAnchor)
{
control.right = parent.width - control.left - control.width;
}
else if ((anchor & rightAnchor) == rightAnchor)
{
control.left = parent.width - control.right - control.width;
control.absLeft = parent.absLeft + control.left;
}
else // if ((anchor & noneAnchor) == noneAnchor)
{
int diff = parent.width - control.left - control.width - control.right;
int halfDiff = diff / 2;
int OtherHalfDiff = diff - halfDiff;
control.left += halfDiff;
control.absLeft = parent.absLeft + control.left;
control.right += OtherHalfDiff;
}
}
}
private static void LayoutAfterYChanged(GLControl parent, GLControl control)
{
GUIAnchorStyles anchor = control.Anchor;
if ((anchor & topAnchor) == topAnchor)
{
control.Height = parent.height - control.bottom - control.top;
}
else
{
control.top = parent.height - control.bottom - control.height;
}
}
private static void LayoutAfterXChanged(GLControl parent, GLControl control)
{
GUIAnchorStyles anchor = control.Anchor;
if ((anchor & rightAnchor) == rightAnchor)
{
control.Width = parent.width - control.left - control.right;
}
else
{
control.right = parent.width - control.left - control.width;
}
}
