diff options
Diffstat (limited to 'tools/globalcode/utility/overlaymarquee.cpp')
| -rw-r--r-- | tools/globalcode/utility/overlaymarquee.cpp | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/tools/globalcode/utility/overlaymarquee.cpp b/tools/globalcode/utility/overlaymarquee.cpp new file mode 100644 index 0000000..7d97b77 --- /dev/null +++ b/tools/globalcode/utility/overlaymarquee.cpp @@ -0,0 +1,222 @@ +//----------------------------------------------------------------------------- +// Copyright (C) 2001 Radical Entertainment Ltd. All rights reserved. +// +// marquee.cpp +// +// Description: +// +// Modification History: +// + Created Jun 14, 2001 -- bkusy +//----------------------------------------------------------------------------- + +//---------------------------------------- +// System Includes +//---------------------------------------- +#include <windows.h> +#include <assert.h> + +#include <GL/gl.h> +#include <GL/glu.h> +#include <GL/glaux.h> + +//---------------------------------------- +// Project Includes +//---------------------------------------- +#include "overlaymarquee.h" + +//---------------------------------------- +// Forward References +//---------------------------------------- + +//---------------------------------------- +// Define Owning Namespace +//---------------------------------------- +namespace GLObj { + +//---------------------------------------- +// Constants, Typedefs and Statics +//---------------------------------------- + +//----------------------------------------------------------------------------- +// M a r q u e e +// +// Synopsis: Constructor +// +// Parameters: NONE +// +// Returns: NOTHING +// +// Constraints: NONE +// +//----------------------------------------------------------------------------- +OverlayMarquee::OverlayMarquee() : + m_xStart( 0 ), + m_yStart( 0 ), + m_xEnd( 0 ), + m_yEnd( 0 ) +{ +} + +//----------------------------------------------------------------------------- +// ~ M a r q u e e +// +// Synopsis: Destructor +// +// Parameters: NONE +// +// Returns: NOTHING +// +// Constraints: NONE +// +//----------------------------------------------------------------------------- +OverlayMarquee::~OverlayMarquee() +{ +} + +//----------------------------------------------------------------------------- +// B e g i n +// +// Synopsis: +// +// Parameters: NONE +// +// Returns: NOTHING +// +// Constraints: NONE +// +//----------------------------------------------------------------------------- +void OverlayMarquee::Begin( M3dView& view, short xStart, short yStart ) +{ + m_View = view; + m_xStart = xStart; + m_yStart = yStart; + m_View.beginGL(); + m_View.beginOverlayDrawing(); +} + +//----------------------------------------------------------------------------- +// D r a w +// +// Synopsis: Draw a marquee with the given coordinates. +// +// Parameters: NONE +// +// Returns: NOTHING +// +// Constraints: NONE +// +//----------------------------------------------------------------------------- +void OverlayMarquee::Draw( short xEnd, short yEnd ) +{ + glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT ); + m_xEnd = xEnd; + m_yEnd = yEnd; + + // + // Clearing the overlay plane doesn't seem to work, but swapping buffers does + // so we'll use that instead. You've gotta luv Maya bugs -- embrace them + // don't squash them. + // + m_View.clearOverlayPlane(); + SwapBuffers( m_View.deviceContext() ); + + // + // Setup the orthographic projection matrix. + // + glMatrixMode( GL_PROJECTION ); + glLoadIdentity(); + gluOrtho2D( 0.0, (GLdouble)m_View.portWidth(), 0.0, (GLdouble)m_View.portHeight() ); + glMatrixMode( GL_MODELVIEW ); + glLoadIdentity(); + glTranslatef( 0.375, 0.375, 0.0 ); + + // + // Retrieve GL State. + // + float lineWidth; + unsigned char lineSmoothedFlag; + glGetFloatv( GL_LINE_WIDTH, &lineWidth ); + glGetBooleanv( GL_LINE_SMOOTH, &lineSmoothedFlag ); + + // + // Set line style. + // + glLineStipple( 1, 0x5555 ); + glLineWidth( 1.0 ); + glEnable( GL_LINE_STIPPLE ); + glEnable( GL_LINE_SMOOTH ); + glIndexi( 2 ); + + // + // Draw marquee. + // + glBegin( GL_LINES ); + + glVertex2i( m_xStart, m_yEnd ); // Left Side. + glVertex2i( m_xStart, m_yStart ); + + glVertex2i( m_xStart, m_yStart );// Top + glVertex2i( m_xEnd, m_yStart ); + + glVertex2i( m_xEnd, m_yStart ); // Right Side. + glVertex2i( m_xEnd, m_yEnd ); + + glVertex2i( m_xEnd, m_yEnd ); // Bottom. + glVertex2i( m_xStart, m_yEnd ); + + glEnd(); + + // + // Don't swap the display buffers. A bug in Maya causes the display to be + // cleared -- making the flicker worse. + // + //SwapBuffers( m_View.deviceContext() ); + + // + // Instead just flush the GL buffers. + // + glFlush(); + + + // + // Restore GL state. + glLineWidth( lineWidth ); + if ( !lineSmoothedFlag ) glDisable( GL_LINE_SMOOTH ); + glDisable( GL_LINE_STIPPLE ); + + glPopAttrib(); +} + +//----------------------------------------------------------------------------- +// R e d r a w +// +// Synopsis: Draw a marquee with the last given coordinates. +// +// Parameters: NONE +// +// Returns: NOTHING +// +// Constraints: NONE +// +//----------------------------------------------------------------------------- +void OverlayMarquee::Redraw() +{ + Draw( m_xEnd, m_yEnd ); +} + +void OverlayMarquee::End() +{ + m_View.endOverlayDrawing(); + m_View.endGL(); + + // + // Use the Maya bug to get rid of any drawing we have done. + // + SwapBuffers( m_View.deviceContext() ); +} + +} // namespace GLObj + + + + |