void tglDraw(const TVectorRenderData &rd, const TStroke *s)
{
assert(s);
if (!s)
return;
const TStroke &stroke = *s;
// initialize information for aaliasing
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glEnable(GL_LINE_SMOOTH);
// it's necessary to do line function of pixel size ?
glLineWidth((float)1.0);
assert(rd.m_palette);
TStrokeProp *prop = stroke.getProp(/*rd.m_palette*/);
/////questo codice stava dentro tstroke::getprop/////////
TColorStyle *style = rd.m_palette->getStyle(stroke->getStyle() /*m_imp->m_styleId*/);
if (!style->isStrokeStyle() || style->isEnabled() == false) {
prop = 0;
} else {
if (!prop || style != prop->getColorStyle()) {
stroke->setProp(style->makeStrokeProp(stroke));
prop = stroke->getProp();
}
}
///
//---------------------
if (prop)
prop->draw(rd);
//---------------------
tglColor(TPixel32::White);
glDisable(GL_BLEND);
glDisable(GL_LINE_SMOOTH);
}
void tglDraw(const TVectorRenderData &rd, const TStroke *s, bool pushAttribs) {
assert(s);
if (!s) return;
TStrokeProp *prop = 0;
bool pushedAttribs = false;
try {
TColorStyleP style;
TStroke *stroke = const_cast<TStroke *>(s);
if (rd.m_inkCheckEnabled && s->getStyle() == rd.m_colorCheckIndex) {
static TSolidColorStyle *redColor = new TSolidColorStyle();
redColor->addRef();
redColor->setMainColor(TPixel::Red);
style = redColor;
} else if (rd.m_tcheckEnabled) {
static TSolidColorStyle *color = new TSolidColorStyle();
color->addRef();
color->setMainColor(rd.m_tCheckInk);
style = color;
} else
style = rd.m_palette->getStyle(stroke->getStyle());
if (!rd.m_show0ThickStrokes && isOThick(s) &&
dynamic_cast<TSolidColorStyle *>(
style.getPointer()) // This is probably to exclude
// TCenterlineStrokeStyle-like styles
&& !rd.m_tcheckEnabled) // I wonder why this?
return;
// const TStroke& stroke = *s; //serve???
assert(rd.m_palette);
prop = s->getProp(/*rd.m_palette*/);
/////questo codice stava dentro tstroke::getprop/////////
if (prop) prop->getMutex()->lock();
if (!style->isStrokeStyle() || style->isEnabled() == false) {
if (prop) prop->getMutex()->unlock();
prop = 0;
} else {
// Warning: the following pointers check is conceptually wrong - we
// keep it because the props maintain SMART POINTER-like reference to
// the associated style. This prevents the style from being destroyed
// while still referenced by the prop.
if (!prop || style.getPointer() != prop->getColorStyle()) {
if (prop) prop->getMutex()->unlock();
stroke->setProp(style->makeStrokeProp(stroke));
prop = stroke->getProp();
if (prop) prop->getMutex()->lock();
}
}
//--------- draw ------------
if (!prop) return;
if (pushAttribs) glPushAttrib(GL_ALL_ATTRIB_BITS), pushedAttribs = true;
bool alphaChannel = rd.m_alphaChannel, antialias = rd.m_antiAliasing;
TVectorImagePatternStrokeProp *aux =
dynamic_cast<TVectorImagePatternStrokeProp *>(prop);
if (aux) // gli image pattern vettoriali tornano in questa funzione....non
// facendo il corpo dell'else'si evita di disegnarli due volte!
prop->draw(rd);
else {
if (antialias)
tglEnableLineSmooth(true);
else
tglEnableLineSmooth(false);
if (alphaChannel) {
GLboolean red, green, blue, alpha;
tglGetColorMask(red, green, blue, alpha);
// Draw RGB channels
tglEnableBlending(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColorMask(red, green, blue, GL_FALSE);
prop->draw(rd);
// Draw Matte channel
tglEnableBlending(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, alpha);
prop->draw(rd);
glColorMask(red, green, blue, alpha);
} else {
tglEnableBlending(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
prop->draw(rd);
}
}
if (pushAttribs) glPopAttrib(), pushedAttribs = false;
prop->getMutex()->unlock();
//---------------------
} catch (...) {
if (prop) prop->getMutex()->unlock();
if (pushedAttribs) glPopAttrib();
}
}