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kaklik |
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#include "crossWidget.hh" |
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using namespace mimas; |
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CrossWidget::CrossWidget( QWidget *parent, Qt::WFlags f ): |
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VideoWidget( parent, f ), hasPoint(false), pointX( 0 ), pointY( 0 ) |
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{ |
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} |
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void CrossWidget::setCross( const Vector &v ) |
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{ |
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hasPoint = true; |
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pointX = (int)v[0]; |
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pointY = (int)v[1]; |
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update(); |
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} |
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void CrossWidget::clearCross(void) |
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{ |
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hasPoint = false; |
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update(); |
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} |
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void CrossWidget::paintGL(void) |
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{ |
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VideoWidget::paintGL(); |
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if ( hasPoint ) { |
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glColor3ub( 255, 0, 0 ); |
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glPushMatrix(); |
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glScalef( zoom, zoom, 1.0 ); |
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glTranslatef( pointX, pointY, 0 ); |
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glBegin( GL_LINES ); |
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glVertex2i( -5, -5 ); |
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glVertex2i( +5, +5 ); |
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glVertex2i( -5, +5 ); |
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glVertex2i( +5, -5 ); |
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glEnd(); |
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glPopMatrix(); |
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}; |
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}; |
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