public void Display(GLRect rect, bool draw)
{
if (Window == null)
{
Window = new GraphWindow();
}
var xyratio = Window.DataWidth / Window.DataHeight;
var newRatio = rect.Width / rect.Height;
Window.DataOrigin = rect.Location;
Window.DataWidth = rect.Width;
Window.DataHeight = rect.Height;
Window.WindowWidth = _glcontrol.Width;
Window.WindowHeight = _glcontrol.Height;
if (Window.WindowWidth == 0)
{
throw new Exception(ZeroError);
}
if (Window.WindowHeight == 0)
{
throw new Exception(ZeroError);
}
if (Math.Abs(newRatio - xyratio) > 0.01)
{
_displayChanged = true;
}
if (draw)
{
Draw();
}
}
public static GLPoint GetMagnitude(Point p, GraphWindow w) {
var xscale = (w.Finish - w.Start) / w.WindowWidth;
var yscale = (w.Top - w.Bottom) / w.WindowHeight;
const double xoffset = 0; //window x start
const double yoffset = 0; //window y start
return new GLPoint((p.X - xoffset) * xscale,
(p.Y - yoffset) * yscale);
}
public static GLPoint GetMagnitude(Point p, GraphWindow w)
{
var xscale = (w.Finish - w.Start) / w.WindowWidth;
var yscale = (w.Top - w.Bottom) / w.WindowHeight;
const double xoffset = 0; //window x start
const double yoffset = 0; //window y start
return(new GLPoint((p.X - xoffset) * xscale,
(p.Y - yoffset) * yscale));
}
public void Draw()
{
if (Window == null)
{
Window = new GraphWindow {
DataOrigin = new GLPoint(0, 0),
DataHeight = 100,
DataWidth = 100,
WindowHeight = Control.Height,
WindowWidth = Control.Width
};
}
if (Window.WindowWidth == 0 || Window.WindowHeight == 0)
{
return;
}
_glcontrol.MakeCurrent();
if (_displayChanged)
{
_displayChanged = false;
LoadDisplayLists();
}
GL.ClearColor(1.0f, 1.0f, 1.0f, 1.0f);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.LoadIdentity();
SetupProjection();
ConfigureLeftTickBar();
ConfigureBottomTickBar();
_leftTickBar.DrawCrossLines();
_bottomTickBar.DrawCrossLines();
DrawDataAndMarkers();
if (TextEnabled)
{
_leftTickBar.DrawTicks();
_bottomTickBar.DrawTicks();
}
DrawDeadSpace();
_glcontrol.SwapBuffers();
}
public void Draw(GraphWindow window, GLPoint location) {
GL.Color3(1.0, 1.0, 1.0);
GL.BindTexture(TextureTarget.Texture2D, _texture);
var height = GetMagnitude(new Point(0, _bitmap.Height),window).Y;
var width = GetMagnitude(new Point(_bitmap.Width, 0), window).X;
var ox = location.X - (width / 2.0);
var oy = location.Y - (height / 2.0);
GL.Begin(BeginMode.Quads);
GL.TexCoord2(0f, 0f); GL.Vertex2(ox, oy + height);
GL.TexCoord2(1f, 0f); GL.Vertex2(ox + width, oy + height);
GL.TexCoord2(1f, 1f); GL.Vertex2(ox + width, oy);
GL.TexCoord2(0f, 1f); GL.Vertex2(ox, oy);
GL.End();
GL.BindTexture(TextureTarget.Texture2D, 0);
}
public void Draw(GraphWindow window, GLPoint location)
{
if (_disposed)
{
throw new ObjectDisposedException("PersistentTexture");
}
GL.Color3(1.0, 1.0, 1.0);
GL.BindTexture(TextureTarget.Texture2D, _texture);
var height = GetMagnitude(new Point(0, _bitmap.Height), window).Y;
var width = GetMagnitude(new Point(_bitmap.Width, 0), window).X;
var ox = location.X - (width / 2.0);
var oy = location.Y - (height / 2.0);
GL.Begin(BeginMode.Quads);
GL.TexCoord2(0f, 0f); GL.Vertex2(ox, oy + height);
GL.TexCoord2(1f, 0f); GL.Vertex2(ox + width, oy + height);
GL.TexCoord2(1f, 1f); GL.Vertex2(ox + width, oy);
GL.TexCoord2(0f, 1f); GL.Vertex2(ox, oy);
GL.End();
GL.BindTexture(TextureTarget.Texture2D, 0);
}
public void Draw(GraphWindow window) {
Draw();
}
public void Draw(GraphWindow window)
{
Draw();
}
public void Display(GLRect rect, bool draw) {
if (Window == null) {
Window = new GraphWindow();
}
var xyratio = Window.DataWidth / Window.DataHeight;
var newRatio = rect.Width / rect.Height;
Window.DataOrigin = rect.Location;
Window.DataWidth = rect.Width;
Window.DataHeight = rect.Height;
Window.WindowWidth = _glcontrol.Width;
Window.WindowHeight = _glcontrol.Height;
if (Window.WindowWidth == 0) throw new Exception(ZeroError);
if (Window.WindowHeight == 0) throw new Exception(ZeroError);
if (Math.Abs(newRatio - xyratio) > 0.01) {
_displayChanged = true;
}
if (draw) {
Draw();
}
}
public void Draw() {
if (Window == null) {
Window = new GraphWindow {
DataOrigin = new GLPoint(0, 0),
DataHeight = 100,
DataWidth = 100,
WindowHeight = Control.Height,
WindowWidth = Control.Width
};
}
if (Window.WindowWidth == 0 || Window.WindowHeight == 0) return;
_glcontrol.MakeCurrent();
if (_displayChanged) {
_displayChanged = false;
LoadDisplayLists();
}
GL.ClearColor(1.0f, 1.0f, 1.0f, 1.0f);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.LoadIdentity();
SetupProjection();
ConfigureLeftTickBar();
ConfigureBottomTickBar();
_leftTickBar.DrawCrossLines();
_bottomTickBar.DrawCrossLines();
DrawDataAndMarkers();
if (TextEnabled) {
_leftTickBar.DrawTicks();
_bottomTickBar.DrawTicks();
}
DrawDeadSpace();
_glcontrol.SwapBuffers();
}
public void Display(GLRect rect, bool draw) {
if (Window == null) {
Window = new GraphWindow();
}
Window.DataOrigin = rect.Location;
Window.DataWidth = rect.Width;
Window.DataHeight = rect.Height;
Window.WindowWidth = _glcontrol.Width;
Window.WindowHeight = _glcontrol.Height;
if (Window.WindowWidth == 0) throw new Exception(ZeroError);
if (Window.WindowHeight == 0) throw new Exception(ZeroError);
_glcontrol.MakeCurrent();
LoadDisplayLists();
if (draw) {
Draw();
}
}