public void resize()
{
if (isCongruent())
{
int width = glControl_.Width;
int height = glControl_.Height;
projection_ = Matrix4.CreateOrthographic(width, height, DrawOptions.zNear, DrawOptions.zFar);
// Update drawing constants
DrawOptions.update(glControl_.Width, glControl_.Height);
// Coordinate system position
coordinateSystemOrigin_.X *= (float)width / prevControlWidth_;
coordinateSystemOrigin_.Y *= (float)height / prevControlHeight_;
coordinateSystemScaleTranslation_ = Matrix4.CreateScale(DrawOptions.defaultScale, DrawOptions.defaultScale, 1.0f) * Matrix4.CreateTranslation(coordinateSystemOrigin_);
prevControlWidth_ = glControl_.Width;
prevControlHeight_ = glControl_.Height;
}
}
public void initializeGL()
{
GL.ClearColor(Color4.White);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit | ClearBufferMask.StencilBufferBit);
// Blending
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
// Z-buffer
GL.ClearDepth(1.0f);
GL.DepthMask(true);
GL.DepthFunc(DepthFunction.Lequal);
GL.Enable(EnableCap.DepthTest);
// Stencil
GL.ClearStencil(0);
GL.Enable(EnableCap.StencilTest);
GL.StencilOp(StencilOp.Keep, StencilOp.Keep, StencilOp.Replace);
// Smoothing
GL.Enable(EnableCap.PolygonSmooth);
GL.Enable(EnableCap.LineSmooth);
GL.Hint(HintTarget.PolygonSmoothHint, HintMode.Nicest);
GL.Hint(HintTarget.LineSmoothHint, HintMode.Nicest);
GL.Hint(HintTarget.PointSmoothHint, HintMode.Nicest);
// Sizes
GL.PointSize(DrawOptions.pointSize);
GL.LineWidth(DrawOptions.lineWidth);
// Defining all the colors for further selection
availableColors_ = new List <Color4>()
{
Color4.Blue, Color4.Green, Color4.DarkOrange,
Color4.Red, Color4.SaddleBrown, Color4.Purple,
Color4.DarkBlue, Color4.DarkCyan, Color4.Chocolate
};
selection_ = new Dictionary <string, List <uint> >();
sequenceSelection_ = new List <string>();
selectionColor_ = Color4.HotPink;
// Update drawing constants
DrawOptions.update(glControl_.Width, glControl_.Height);
// Transformations
location_ = Vector3.Zero;
modelTranslation_ = Matrix4.Identity;
modelScale_ = Matrix4.CreateScale(DrawOptions.defaultScale, DrawOptions.defaultScale, 1.0f);
modelRotation_ = Matrix4.Identity;
view_ = Matrix4.Identity;
projection_ = Matrix4.CreateOrthographic(glControl_.Width, glControl_.Height, DrawOptions.zNear, DrawOptions.zFar);
// Markers
isShowNodeMarkers = true;
// Fonts
isShowNodeNames = false;
fontDrawing_ = new QFontDrawing();
var builderConfig = new QFontBuilderConfiguration(true)
{
TextGenerationRenderHint = TextGenerationRenderHint.ClearTypeGridFit,
Characters = CharacterSet.General | CharacterSet.Japanese | CharacterSet.Thai | CharacterSet.Cyrillic
};
font_ = new QFont("Optima", 8, builderConfig);
fontRenderOptions_ = new QFontRenderOptions()
{
Colour = Color.Black,
DropShadowActive = false,
CharacterSpacing = 0.1f
};
// Compiling the shader
shader_ = new Shader(shaderPath_ + "shaders/shader.vert", shaderPath_ + "shaders/shader.frag");
// Lighting
isLighting = true;
shader_.SetVector3("light.ambient", LightingOptions.lightAmbient);
shader_.SetVector3("light.diffuse", LightingOptions.lightDiffuse);
shader_.SetVector3("light.specular", LightingOptions.lightSpecular);
// Light attenuation constants
shader_.SetFloat("light.constant", LightingOptions.lightConstant);
shader_.SetFloat("light.linear", LightingOptions.lightLinear);
shader_.SetFloat("light.quadratic", LightingOptions.lightQuadratic);
// Material
shader_.SetVector3("material.ambient", LightingOptions.materialAmbient);
shader_.SetVector3("material.diffuse", LightingOptions.materialDiffuse);
shader_.SetVector3("material.specular", LightingOptions.materialSpecular);
shader_.SetFloat("material.shininess", LightingOptions.materialShininess);
// Coordinate system
coordinateSystem_ = new CoordinateSystem();
coordinateSystem_.font = font_;
coordinateSystem_.shader = shader_;
coordinateSystemOrigin_ = new Vector3(DrawOptions.originSystemX, DrawOptions.originSystemY, DrawOptions.originSystemZ);
coordinateSystemScaleTranslation_ = Matrix4.CreateScale(DrawOptions.defaultScale, DrawOptions.defaultScale, 1.0f) * Matrix4.CreateTranslation(coordinateSystemOrigin_);
// Viewport
prevControlWidth_ = glControl_.Width;
prevControlHeight_ = glControl_.Height;
}
