org::scilab::modules::renderer::textDrawing::CenteredTextDrawerGL Class Reference

Inheritance diagram for org::scilab::modules::renderer::textDrawing::CenteredTextDrawerGL:

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Collaboration diagram for org::scilab::modules::renderer::textDrawing::CenteredTextDrawerGL:

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Public Member Functions
	CenteredTextDrawerGL ()
void	setFilledBoxSize (double boxWidth, double boxHeight)
Vector3D[]	placeBoundingBox (Vector3D[] bbox, Vector3D textCenter, double rotationAngle)
TextGrid	placeTextGrid (TextGrid stringPositions, Vector3D textCenterPix, double rotationAngle)
Private Attributes
double	halfCenteredBoxWidth
double	halfCenteredBoxHeight

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Detailed Description

Class drawing text with tex_box_mode set to centered.

Author:

Jean-Baptiste Silvy

Definition at line 25 of file CenteredTextDrawerGL.java.

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Constructor & Destructor Documentation

org::scilab::modules::renderer::textDrawing::CenteredTextDrawerGL::CenteredTextDrawerGL

(

)

[inline]

Default constructor

Definition at line 33 of file CenteredTextDrawerGL.java.

References halfCenteredBoxHeight, and halfCenteredBoxWidth.

                                      {
                super();
                halfCenteredBoxWidth = 0.0;
                halfCenteredBoxHeight = 0.0;
        }

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Member Function Documentation

void org::scilab::modules::renderer::textDrawing::CenteredTextDrawerGL::setFilledBoxSize	(	double	boxWidth,
		double	boxHeight
	)			[inline]

Set the size of the box which the text will fill.

Parameters:

	boxWidth	width of the box.
	boxHeight	height of the box.

Definition at line 44 of file CenteredTextDrawerGL.java.

References halfCenteredBoxHeight, and halfCenteredBoxWidth.

                                                                        {
                halfCenteredBoxWidth = (boxWidth / 2.0);
                halfCenteredBoxHeight = (boxHeight / 2.0);
        }

Vector3D [] org::scilab::modules::renderer::textDrawing::CenteredTextDrawerGL::placeBoundingBox	(	Vector3D[]	bbox,
		Vector3D	textCenter,
		double	rotationAngle
	)			[inline, virtual]

Move the bounding box to the right position.

Parameters:

	bbox	intial bounding box centered at the origin.
	textCenter	text center
	rotationAngle	rotation angle around the text center

Returns:

new bouding box turned

Implements org::scilab::modules::renderer::textDrawing::TextContentDrawerGL.

Definition at line 56 of file CenteredTextDrawerGL.java.

References org::scilab::modules::renderer::utils::geom3D::Vector3D::add(), org::scilab::modules::renderer::utils::geom3D::Vector3D::getX(), org::scilab::modules::renderer::utils::geom3D::Vector3D::getY(), halfCenteredBoxHeight, halfCenteredBoxWidth, i, and org::scilab::modules::renderer::utils::geom3D::Vector3D::rotate().

                                                                                                       {
                // text center refer here to the bottom left corner.
                // So we need to add half of the box size.
                double halfBoxWidth = (bbox[2].getX() - bbox[1].getX()) / 2.0;
                double halfBoxHeight = (bbox[0].getY() - bbox[1].getY()) / 2.0;
                
                Vector3D rotationAxis = new Vector3D(0.0, 0.0, 1.0);
                for (int i = 0; i < bbox.length; i++) {
                        
                        // translate to textCenter
                        bbox[i] = bbox[i].add(textCenter);
                        bbox[i] = bbox[i].add(new Vector3D(halfCenteredBoxWidth - halfBoxWidth, halfCenteredBoxHeight - halfBoxHeight, 0.0));
                        
//                       rotate around textCenter
                        bbox[i] = bbox[i].rotate(textCenter, rotationAxis, rotationAngle);
                }
                return bbox;
        }

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TextGrid org::scilab::modules::renderer::textDrawing::CenteredTextDrawerGL::placeTextGrid	(	TextGrid	stringPositions,
		Vector3D	textCenterPix,
		double	rotationAngle
	)			[inline, virtual]

Put the text grid at the right position

Parameters:

	stringPositions	Initial position of strings, centered on (0,0).
	textCenterPix	position of the center in pixel coordinates
	rotationAngle	angle in radian.

Returns:

the new text grid ut at the right position.

Implements org::scilab::modules::renderer::textDrawing::TextContentDrawerGL.

Definition at line 82 of file CenteredTextDrawerGL.java.

References org::scilab::modules::renderer::textDrawing::TextGrid::getExtremBounds(), org::scilab::modules::renderer::ObjectGL::getGL(), org::scilab::modules::renderer::utils::geom3D::Vector3D::getX(), org::scilab::modules::renderer::utils::geom3D::Vector3D::getY(), org::scilab::modules::renderer::utils::geom3D::Vector3D::getZ(), halfCenteredBoxHeight, and halfCenteredBoxWidth.

                                                                                                              {
                //               text center refer here to the bottom left corner.
                // So we need to add half of the box size.
                Vector3D[] bbox = stringPositions.getExtremBounds();
                double halfBoxWidth = (bbox[2].getX() - bbox[1].getX()) / 2.0;
                double halfBoxHeight = (bbox[0].getY() - bbox[1].getY()) / 2.0;
                
                GL gl = getGL();
                gl.glTranslated(textCenterPix.getX(), textCenterPix.getY(), textCenterPix.getZ());
                gl.glRotated(Math.toDegrees(rotationAngle), 0.0, 0.0, 1.0);
                gl.glTranslated(halfCenteredBoxWidth - halfBoxWidth, halfCenteredBoxHeight - halfBoxHeight, 0.0);
                return stringPositions;
        }

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Field Documentation

double org::scilab::modules::renderer::textDrawing::CenteredTextDrawerGL::halfCenteredBoxWidth [private]

Definition at line 27 of file CenteredTextDrawerGL.java.

Referenced by CenteredTextDrawerGL(), placeBoundingBox(), placeTextGrid(), and setFilledBoxSize().

double org::scilab::modules::renderer::textDrawing::CenteredTextDrawerGL::halfCenteredBoxHeight [private]

Definition at line 28 of file CenteredTextDrawerGL.java.

Referenced by CenteredTextDrawerGL(), placeBoundingBox(), placeTextGrid(), and setFilledBoxSize().

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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/textDrawing/CenteredTextDrawerGL.java