static void drawScaleValues(drawContext *ctx, PView *p, double xmin, double ymin,
double width, double height, double tic, int horizontal)
{
PViewOptions *opt = p->getOptions();
if(!opt->nbIso) return;
drawContext::global()->setFont(CTX::instance()->glFontEnum,
CTX::instance()->glFontSize);
double font_h = drawContext::global()->getStringHeight(); // total font height
double font_a = drawContext::global()->getStringHeight() -
drawContext::global()->getStringDescent(); // height above ref pt
char label[1024];
sprintf(label, opt->format.c_str(), -M_PI * 1.e-4);
double maxw = drawContext::global()->getStringWidth(label);
int nbv = opt->nbIso;
double f = (opt->intervalsType == PViewOptions::Discrete ||
opt->intervalsType == PViewOptions::Numeric ||
opt->intervalsType == PViewOptions::Continuous) ? 2 : 2.5;
if(horizontal && width < nbv * maxw){
if(width < f * maxw) nbv = 1;
else nbv = 2;
}
else if(!horizontal && height < nbv * font_h){
if(height < f * font_h) nbv = 1;
else nbv = 2;
}
double box = (horizontal ? width : height) / opt->nbIso;
double vbox = (horizontal ? width : height) / nbv;
glColor4ubv((GLubyte *) & CTX::instance()->color.text);
if(opt->intervalsType == PViewOptions::Discrete ||
opt->intervalsType == PViewOptions::Numeric ||
opt->intervalsType == PViewOptions::Continuous){
for(int i = 0; i < nbv + 1; i++) {
double v = opt->getScaleValue(i, nbv + 1, opt->tmpMin, opt->tmpMax);
sprintf(label, opt->format.c_str(), v);
if(horizontal){
glRasterPos2d(xmin + i * vbox, ymin + height + tic);
ctx->drawStringCenter(label);
}
else{
glRasterPos2d(xmin + width + tic, ymin + i * vbox - font_a / 3.);
ctx->drawString(label);
}
}
}
else{
if(opt->nbIso > 2 && (nbv == 1 || nbv == 2)){
vbox = (vbox * nbv - box) / nbv;
nbv++;
}
for(int i = 0; i < nbv; i++) {
double v = opt->getScaleValue(i, nbv, opt->tmpMin, opt->tmpMax);
sprintf(label, opt->format.c_str(), v);
if(horizontal){
glRasterPos2d(xmin + box / 2. + i * vbox, ymin + height + tic);
ctx->drawStringCenter(label);
}
else{
glRasterPos2d(xmin + width + tic, ymin + box / 2. + i * vbox - font_a / 3.);
ctx->drawString(label);
}
}
}
}
void drawContext::drawScale()
{
glPushMatrix();
glLoadIdentity();
double size = std::max(_right -_left, _top - _bottom);
double width = size / 3.5;
double height = size / 10.;
double dh = height / 5;
// Draw the scale bar
int nPview = 0;
for(int i=0; i<PView::list.size();i++){
PView *p = PView::list[i];
PViewOptions *opt = p->getOptions();
if(!opt->visible) continue;
PViewData *data = p->getData();
double box = width / (opt->nbIso ? opt->nbIso : 1);
double xmin = _left + (_right - _left - width)/2.;
double ymin = _bottom + 0.7 * height + height * nPview;
std::vector<GLfloat> vertex(opt->nbIso*3*4);
std::vector<GLubyte> color(opt->nbIso*4*4);
for(int i = 0; i < opt->nbIso; i++){
if(opt->intervalsType == PViewOptions::Discrete ||
opt->intervalsType == PViewOptions::Numeric){
unsigned int col = opt->getColor(i, opt->nbIso);
color[i*4*4+0] = color[i*4*4+4] = color[i*4*4+8] = color[i*4*4+12] =
(GLubyte)CTX::instance()->unpackRed(col);
color[i*4*4+1] = color[i*4*4+5] = color[i*4*4+9] = color[i*4*4+13] =
(GLubyte)CTX::instance()->unpackGreen(col);
color[i*4*4+2] = color[i*4*4+6] = color[i*4*4+10] = color[i*4*4+14] =
(GLubyte)CTX::instance()->unpackBlue(col);
color[i*4*4+3] = color[i*4*4+7] = color[i*4*4+11] = color[i*4*4+15] =
(GLubyte)CTX::instance()->unpackAlpha(col);
vertex[i*3*4+0] = xmin + i * box;
vertex[i*3*4+1] = ymin;
vertex[i*3*4+2] = 0.;
vertex[i*3*4+3] = xmin + i * box;
vertex[i*3*4+4] = ymin + dh;
vertex[i*3*4+5] = 0.;
vertex[i*3*4+6] = xmin + (i + 1) * box;
vertex[i*3*4+7] = ymin;
vertex[i*3*4+8] = 0.;
vertex[i*3*4+9] = xmin + (i + 1) * box;
vertex[i*3*4+10] = ymin + dh;
vertex[i*3*4+11] = 0.;
}
else if(opt->intervalsType == PViewOptions::Continuous){
double dv = (opt->tmpMax - opt->tmpMin) / (opt->nbIso ? opt->nbIso : 1);
double v1 = opt->tmpMin + i * dv;
unsigned int col1 = opt->getColor(v1, opt->tmpMin, opt->tmpMax, true);
color[i*4*4+0] = color[i*4*4+4] = (GLubyte)CTX::instance()->unpackRed(col1);
color[i*4*4+1] = color[i*4*4+5] = (GLubyte)CTX::instance()->unpackGreen(col1);
color[i*4*4+2] = color[i*4*4+6] = (GLubyte)CTX::instance()->unpackBlue(col1);
color[i*4*4+3] = color[i*4*4+7] = (GLubyte)CTX::instance()->unpackAlpha(col1);
vertex[i*3*4+0] = xmin + i * box;
vertex[i*3*4+1] = ymin;
vertex[i*3*4+2] = 0.;
vertex[i*3*4+3] = xmin + i * box;
vertex[i*3*4+4] = ymin + dh;
vertex[i*3*4+5] = 0.;
double v2 = opt->tmpMin + (i + 1) * dv;
unsigned int col2 = opt->getColor(v2, opt->tmpMin, opt->tmpMax, true);
color[i*4*4+8] = color[i*4*4+12] = (GLubyte)CTX::instance()->unpackRed(col2);
color[i*4*4+9] = color[i*4*4+13] = (GLubyte)CTX::instance()->unpackGreen(col2);
color[i*4*4+10] = color[i*4*4+14] = (GLubyte)CTX::instance()->unpackBlue(col2);
color[i*4*4+11] = color[i*4*4+15] = (GLubyte)CTX::instance()->unpackAlpha(col2);
vertex[i*3*4+6] = xmin + (i + 1) * box;
vertex[i*3*4+7] = ymin;
vertex[i*3*4+8] = 0.;
vertex[i*3*4+9] = xmin + (i + 1) * box;
vertex[i*3*4+10] = ymin + dh;
vertex[i*3*4+11] = 0.;
}
else{
unsigned int col = opt->getColor(i, opt->nbIso);
color[i*4*4+0] = color[i*4*4+4] = color[i*4*4+8] = color[i*4*4+12] =
(GLubyte)CTX::instance()->unpackRed(col);
color[i*4*4+1] = color[i*4*4+5] = color[i*4*4+9] = color[i*4*4+13] =
(GLubyte)CTX::instance()->unpackGreen(col);
color[i*4*4+2] = color[i*4*4+6] = color[i*4*4+10] = color[i*4*4+14] =
(GLubyte)CTX::instance()->unpackBlue(col);
color[i*4*4+3] = color[i*4*4+7] = color[i*4*4+11] = color[i*4*4+15] =
(GLubyte)CTX::instance()->unpackAlpha(col);
vertex[i*3*4+0] = xmin + i * box;
vertex[i*3*4+1] = ymin;
vertex[i*3*4+2] = 0.;
vertex[i*3*4+3] = xmin + i * box;
vertex[i*3*4+4] = ymin + dh;
vertex[i*3*4+5] = 0.;
vertex[i*3*4+6] = xmin + (i + 1) * box;
vertex[i*3*4+7] = ymin;
vertex[i*3*4+8] = 0.;
vertex[i*3*4+9] = xmin + (i + 1) * box;
vertex[i*3*4+10] = ymin + dh;
vertex[i*3*4+11] = 0.;
}
}
glVertexPointer(3, GL_FLOAT, 0, &vertex[0]);
glEnableClientState(GL_VERTEX_ARRAY);
glColorPointer(4, GL_UNSIGNED_BYTE, 0, &color[0]);
glEnableClientState(GL_COLOR_ARRAY);
if(opt->intervalsType == PViewOptions::Discrete ||
opt->intervalsType == PViewOptions::Numeric ||
opt->intervalsType == PViewOptions::Continuous)
glDrawArrays(GL_TRIANGLE_STRIP, 0, opt->nbIso*4);
else
glDrawArrays(GL_LINES, 0, opt->nbIso*4);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
char label[1024];
int nt = data->getNumTimeSteps();
if((opt->showTime == 1 && nt > 1) || opt->showTime == 2){
char tmp[256];
sprintf(tmp, opt->format.c_str(), data->getTime(opt->timeStep));
sprintf(label, "%s (%s)", data->getName().c_str(), tmp);
}
else if((opt->showTime == 3 && nt > 1) || opt->showTime == 4){
sprintf(label, "%s (%d/%d)", data->getName().c_str(), opt->timeStep,
data->getNumTimeSteps() - 1);
}
else{
sprintf(label, "%s", data->getName().c_str());
}
drawString lbl(label, 20 * _fontFactor);
lbl.draw(xmin + width / 2, ymin + 2.8 * dh, 0.,
_width/(_right-_left), _height/(_top-_bottom));
drawString val(data->getName().c_str(), 15 * _fontFactor);
for(int i = 0; i < 3; i++) {
double v = opt->getScaleValue(i, 3, opt->tmpMin, opt->tmpMax);
sprintf(label, opt->format.c_str(), v);
val.setText(label);
val.draw(xmin + i * width/ 2, ymin + 1.5 * dh, 0.,
_width/(_right-_left), _height/(_top-_bottom));
}
nPview++;
}
glPopMatrix();
}
static void drawScaleBar(PView *p, double xmin, double ymin, double width,
double height, double tic, int horizontal)
{
PViewOptions *opt = p->getOptions();
double box = (horizontal ? width : height) / (opt->nbIso ? opt->nbIso : 1);
for(int i = 0; i < opt->nbIso; i++) {
if(opt->intervalsType == PViewOptions::Discrete ||
opt->intervalsType == PViewOptions::Numeric){
unsigned int col = opt->getColor(i, opt->nbIso);
glColor4ubv((GLubyte *) &col);
glBegin(GL_QUADS);
if(horizontal){
glVertex2d(xmin + i * box, ymin);
glVertex2d(xmin + (i + 1) * box, ymin);
glVertex2d(xmin + (i + 1) * box, ymin + height);
glVertex2d(xmin + i * box, ymin + height);
}
else{
glVertex2d(xmin, ymin + i * box);
glVertex2d(xmin + width, ymin + i * box);
glVertex2d(xmin + width, ymin + (i + 1) * box);
glVertex2d(xmin, ymin + (i + 1) * box);
}
glEnd();
}
else if(opt->intervalsType == PViewOptions::Continuous){
glBegin(GL_QUADS);
double dv = (opt->tmpMax - opt->tmpMin) / (opt->nbIso ? opt->nbIso : 1);
double v1 = opt->tmpMin + i * dv;
unsigned int col1 = opt->getColor(v1, opt->tmpMin, opt->tmpMax, true);
glColor4ubv((GLubyte *) &col1);
if(horizontal){
glVertex2d(xmin + i * box, ymin + height);
glVertex2d(xmin + i * box, ymin);
}
else{
glVertex2d(xmin, ymin + i * box);
glVertex2d(xmin + width, ymin + i * box);
}
double v2 = opt->tmpMin + (i + 1) * dv;
unsigned int col2 = opt->getColor(v2, opt->tmpMin, opt->tmpMax, true);
glColor4ubv((GLubyte *) &col2);
if(horizontal){
glVertex2d(xmin + (i + 1) * box, ymin);
glVertex2d(xmin + (i + 1) * box, ymin + height);
}
else{
glVertex2d(xmin + width, ymin + (i + 1) * box);
glVertex2d(xmin, ymin + (i + 1) * box);
}
glEnd();
}
else{
unsigned int col = opt->getColor(i, opt->nbIso);
glColor4ubv((GLubyte *) &col);
glBegin(GL_LINES);
if(horizontal){
glVertex2d(xmin + box / 2. + i * box, ymin);
glVertex2d(xmin + box / 2. + i * box, ymin + height);
}
else{
glVertex2d(xmin, ymin + box / 2. + i * box);
glVertex2d(xmin + width, ymin + box / 2. + i * box);
}
glEnd();
}
}
}
