void glutBitmapString( void* fontID, const unsigned char *string )
{
int c;
int numchar = strlen( string );
SFG_Font* font = fghFontByID( fontID );
float raster_position[ 4 ];
glGetFloatv ( GL_CURRENT_RASTER_POSITION, raster_position );
glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT );
glPixelStorei( GL_UNPACK_SWAP_BYTES, GL_FALSE );
glPixelStorei( GL_UNPACK_LSB_FIRST, GL_FALSE );
glPixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
glPixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
glPixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
/*
* Step through the string, drawing each character.
* A newline will simply translate the next character's insertion
* point back to the start of the line and down one line.
*/
for( c = 0; c < numchar; c++ )
if( string[c] == '\n' )
{
raster_position[ 1 ] -= ( float )font->Height;
glRasterPos4fv( raster_position );
}
else /* Not an EOL, draw the bitmap character */
{
const GLubyte* face = font->Characters[ string[ c ] - 1 ];
glBitmap(
face[ 0 ], font->Height, /* Bitmap's width and height */
font->xorig, font->yorig, /* The origin in the font glyph */
( float )( face[ 0 ] ), 0.0, /* The raster advance; inc. x,y */
( face + 1 ) /* The packed bitmap data... */
);
}
glPopClientAttrib( );
}
M(void, glRasterPos4fv, jobject v) {
glRasterPos4fv(BUFF(GLfloat, v));
}
/** Render the volume onto currently selected drawBuffer.
Viewport size in world coordinates is -1.0 .. +1.0 in both x and y direction
*/
void vvStingray::renderVolumeGL()
{
GLint viewPort[4];
GLfloat glsRasterPos[4]; // current raster position (glRasterPos)
vvVector3 size;
static vvStopwatch* sw = new vvStopwatch(); // stop watch for performance measurements
static int imgSize[2] = // width and height of Stingray window
{
0,0
};
unsigned char* image=NULL;
vvDebugMsg::msg(3, "vvStingray::renderVolumeGL()");
cerr << "vvStingray::renderVolumeGL() called" << endl;
sw->start();
// Draw boundary lines (must be done before setGLenvironment()):
size = vd->getSize();
if (_renderState._boundaries)
{
drawBoundingBox(&size, &vd->pos, boundColor);
}
if (_renderState.getParameter(VV_CLIP_MODE))
{
drawPlanePerimeter(&size, &vd->pos, &_renderState._clipPoint,
&_renderState._clipNormal, _renderState._clipColor);
}
setGLenvironment();
// Update image size:
glGetIntegerv(GL_VIEWPORT, viewPort);
if (viewPort[2]!=imgSize[0] || viewPort[3]!=imgSize[1] || !image)
{
imgSize[0] = viewPort[2];
imgSize[1] = viewPort[3];
//delete[] image;
//image = new unsigned char[imgSize[0] * imgSize[1] * 4];
_stingRay->setImageSize(imgSize[0], imgSize[1]);
cerr << "New image size: " << imgSize[0] << " x " << imgSize[1] << endl;
}
image = _stingRay->renderVolume();
// Save and set viewing matrix states:
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(-1.0f, 1.0f, -1.0f, 1.0f, 1.0f, -1.0f);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
// Store raster position:
glGetFloatv(GL_CURRENT_RASTER_POSITION, glsRasterPos);
// Draw stingray image:
glRasterPos2f(-1.0f,-1.0f); // pixmap origin is bottom left corner of output window
glDrawPixels(viewPort[2], viewPort[3], GL_RGBA, GL_UNSIGNED_BYTE, (GLvoid*)image);
// Restore raster position:
glRasterPos4fv(glsRasterPos);
// Restore matrix states:
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
/**************************************************************************
* This function can be used with a definition of
* setBoundingBox( const double boxWidth, boxHeight, boxDepth )
**************************************************************************/
// _stingRay->setBoundingBox()
/**************************************************************************
* This function can be used with a definition of
* setInterpolationType( teInterpolationType eInterpolationType )
* either F_LINEAR of F_NEAREST_NEIGHBOR
**************************************************************************/
// _stingRay->setInterpolationType( fvStingRayCaveRenderer::F_LINEAR )
vvRenderer::renderVolumeGL();
_lastRenderTime = sw->getTime();
unsetGLenvironment();
}
void __glXDisp_RasterPos4fv(GLbyte *pc)
{
glRasterPos4fv(
(GLfloat *)(pc + 0)
);
}
