org::scilab::modules::renderer::utils::MarkDrawing::CircleMarkDrawer Class Reference

Inheritance diagram for org::scilab::modules::renderer::utils::MarkDrawing::CircleMarkDrawer:

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Collaboration diagram for org::scilab::modules::renderer::utils::MarkDrawing::CircleMarkDrawer:

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Public Member Functions
	CircleMarkDrawer ()
void	drawMark (GL gl, double[] backColor, double[] frontColor)
Static Private Attributes
static final int	NB_SLICES = 64

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Detailed Description

Class specialized in drawing circle marks

Author:

Jean-Baptiste Silvy

Definition at line 23 of file CircleMarkDrawer.java.

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Constructor & Destructor Documentation

org::scilab::modules::renderer::utils::MarkDrawing::CircleMarkDrawer::CircleMarkDrawer

(

)

[inline]

Default constructor

Definition at line 31 of file CircleMarkDrawer.java.

                                  {
                super();
        }

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Member Function Documentation

void org::scilab::modules::renderer::utils::MarkDrawing::CircleMarkDrawer::drawMark	(	GL	gl,
		double[]	backColor,
		double[]	frontColor
	)			[inline, virtual]

Draw a circle

Parameters:

	gl	OpenGL pipeline to use
	backColor	RGB color of mark background
	frontColor	RGB color of mark foreground

Implements org::scilab::modules::renderer::utils::MarkDrawing::MarkDrawingStrategy.

Reimplemented in org::scilab::modules::renderer::utils::MarkDrawing::StarMarkDrawer.

Definition at line 41 of file CircleMarkDrawer.java.

References i, and NB_SLICES.

                                                                             {
                // disk
                gl.glColor3d(backColor[0], backColor[1], backColor[2]);
                GLU glu = new GLU();
                glu.gluDisk(glu.gluNewQuadric(), 0.0, 1.0, NB_SLICES, 1);
                
                
                // circle
                gl.glColor3d(frontColor[0], frontColor[1], frontColor[2]);
                gl.glBegin(GL.GL_LINE_LOOP);
                for (int i = 0; i < NB_SLICES; i++) {
                        double angle = 2.0 * Math.PI * i / NB_SLICES;
                        gl.glVertex3d(Math.cos(angle), Math.sin(angle), 0.0);
                }
                gl.glEnd();
                

        }

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Field Documentation

final int org::scilab::modules::renderer::utils::MarkDrawing::CircleMarkDrawer::NB_SLICES = 64 [static, private]

number of slice for the circle

Definition at line 26 of file CircleMarkDrawer.java.

Referenced by drawMark().

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The documentation for this class was generated from the following file:

• /home/scilab/compilation_chain/sci_checkOut/scilab/modules/renderer/src/java/org/scilab/modules/renderer/utils/MarkDrawing/CircleMarkDrawer.java