void gXGrid::paint(gGraph & w,int left,int top, int width, int height)
{
int x,y;
gVertexBuffer * stippled, * lines;
EventDataType miny,maxy;
if (w.zoomY()==0 && PROFILE.appearance->allowYAxisScaling()) {
miny=w.physMinY();
maxy=w.physMaxY();
} else {
miny=w.min_y;
maxy=w.max_y;
if (miny<0) { // even it up if it's starts negative
miny=-MAX(fabs(miny),fabs(maxy));
}
}
w.roundY(miny,maxy);
//EventDataType dy=maxy-miny;
if (height<0) return;
static QString fd="0";
GetTextExtent(fd,x,y);
double max_yticks=round(height / (y+14.0)); // plus spacing between lines
//double yt=1/max_yticks;
double mxy=MAX(fabs(maxy),fabs(miny));
double mny=miny;
if (miny<0) {
mny=-mxy;
}
double rxy=mxy-mny;
int myt;
bool fnd=false;
for (myt=max_yticks;myt>=1;myt--) {
float v=rxy/float(myt);
if (float(v)==int(v)) {
fnd=true;
break;
}
}
if (fnd) max_yticks=myt;
else {
max_yticks=2;
}
double yt=1/max_yticks;
double ymult=height/rxy;
double min_ytick=rxy*yt;
float ty,h;
if (min_ytick<=0) {
qDebug() << "min_ytick error in gXGrid::paint() in" << w.title();
return;
}
if (min_ytick>=1000000) {
min_ytick=100;
}
stippled=w.backlines();
lines=w.backlines();
for (double i=miny; i<=maxy+min_ytick-0.00001; i+=min_ytick) {
ty=(i - miny) * ymult;
h=top+height-ty;
if (m_show_major_lines && (i > miny)) {
stippled->add(left,h,left+width,h,m_major_color.rgba());
}
double z=(min_ytick/4)*ymult;
double g=h;
for (int i=0;i<3;i++) {
g+=z;
if (g>top+height) break;
//if (vertcnt>=maxverts) {
// qWarning() << "vertarray bounds exceeded in gYAxis for " << w.title() << "graph" << "MinY =" <<miny << "MaxY =" << maxy << "min_ytick=" <<min_ytick;
// break;
// }
if (m_show_minor_lines) {// && (i > miny)) {
stippled->add(left,g,left+width,g,m_minor_color.rgba());
}
if (stippled->full()) {
break;
}
}
if (lines->full() || stippled->full()) {
qWarning() << "vertarray bounds exceeded in gYAxis for " << w.title() << "graph" << "MinY =" <<miny << "MaxY =" << maxy << "min_ytick=" <<min_ytick;
break;
}
}
}
void gYAxis::paint(gGraph & w,int left,int top, int width, int height)
{
int x,y;//,yh=0;
//Todo: clean this up as there is a lot of duplicate code between the sections
if (0) {//w.graphView()->usePixmapCache()) {
/* if (w.invalidate_yAxisImage) {
if (!m_image.isNull()) {
w.graphView()->deleteTexture(m_textureID);
m_image=QImage();
}
if (height<0) return;
if (height>2000) return;
int labelW=0;
EventDataType miny=w.min_y;
EventDataType maxy=w.max_y;
if (miny<0) { // even it up if it's starts negative
miny=-MAX(fabs(miny),fabs(maxy));
}
w.roundY(miny,maxy);
EventDataType dy=maxy-miny;
static QString fd="0";
GetTextExtent(fd,x,y);
yh=y;
m_image=QImage(width,height+y+4,QImage::Format_ARGB32_Premultiplied);
m_image.fill(Qt::transparent);
QPainter paint(&m_image);
double max_yticks=round(height / (y+14.0)); // plus spacing between lines
double mxy=MAX(fabs(maxy),fabs(miny));
double mny=miny;
if (miny<0) {
mny=-mxy;
}
double rxy=mxy-mny;
int myt;
bool fnd=false;
for (myt=max_yticks;myt>2;myt--) {
float v=rxy/float(myt);
if (v==int(v)) {
fnd=true;
break;
}
}
if (fnd) max_yticks=myt;
double yt=1/max_yticks;
double ymult=height/rxy;
double min_ytick=rxy*yt;
float ty,h;
if (min_ytick<=0) {
qDebug() << "min_ytick error in gYAxis::paint() in" << w.title();
return;
}
if (min_ytick>=1000000) {
min_ytick=100;
}
//lines=w.backlines();
for (double i=miny; i<=maxy+min_ytick-0.00001; i+=min_ytick) {
ty=(i - miny) * ymult;
if (dy<5) {
fd=Format(i*m_yaxis_scale,2);
} else {
fd=Format(i*m_yaxis_scale,1);
}
GetTextExtent(fd,x,y);
if (x>labelW) labelW=x;
h=(height-2)-ty;
h+=yh;
#ifndef Q_OS_MAC
// stupid pixel alignment rubbish, I really should be using floats..
h+=1;
#endif
if (h<0)
continue;
paint.setBrush(Qt::black);
paint.drawText(width-8-x,h+y/2,fd);
paint.setPen(m_line_color);
paint.drawLine(width-4,h,width,h);
double z=(min_ytick/4)*ymult;
double g=h;
for (int i=0;i<3;i++) {
g+=z;
if (g>height+yh) break;
paint.drawLine(width-3,g,width,g);
}
}
paint.end();
m_image=QGLWidget::convertToGLFormat(m_image);
m_textureID=w.graphView()->bindTexture(m_image,GL_TEXTURE_2D,GL_RGBA,QGLContext::NoBindOption);
w.invalidate_yAxisImage=false;
}
if (!m_image.isNull()) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_TEXTURE_2D);
w.graphView()->drawTexture(QPoint(left,(top+height)-m_image.height()+5),m_textureID);
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
}
*/
} else {
if (height<0) return;
if (height>2000) return;
int labelW=0;
EventDataType miny;
EventDataType maxy;
if (w.zoomY()==0 && PROFILE.appearance->allowYAxisScaling()) {
miny=w.physMinY();
maxy=w.physMaxY();
} else {
miny=w.min_y;
maxy=w.max_y;
if (miny<0) { // even it up if it's starts negative
miny=-MAX(fabs(miny),fabs(maxy));
}
}
w.roundY(miny,maxy);
EventDataType dy=maxy-miny;
static QString fd="0";
GetTextExtent(fd,x,y);
double max_yticks=round(height / (y+14.0)); // plus spacing between lines
double mxy=MAX(fabs(maxy),fabs(miny));
double mny=miny;
if (miny<0) {
mny=-mxy;
}
double rxy=mxy-mny;
int myt;
bool fnd=false;
for (myt=max_yticks;myt>2;myt--) {
float v=rxy/float(myt);
if (v==int(v)) {
fnd=true;
break;
}
}
if (fnd) max_yticks=myt;
double yt=1/max_yticks;
double ymult=height/rxy;
double min_ytick=rxy*yt;
//if (dy>5) {
// min_ytick=round(min_ytick);
//} else {
//}
float ty,h;
if (min_ytick<=0) {
qDebug() << "min_ytick error in gYAxis::paint() in" << w.title();
return;
}
if (min_ytick>=1000000) {
min_ytick=100;
}
lines=w.backlines();
GLuint line_color=m_line_color.rgba();
for (double i=miny; i<=maxy+min_ytick-0.00001; i+=min_ytick) {
ty=(i - miny) * ymult;
if (dy<5) {
fd=Format(i*m_yaxis_scale,2);
} else {
fd=Format(i*m_yaxis_scale,1);
}
GetTextExtent(fd,x,y); // performance bottleneck..
if (x>labelW) labelW=x;
h=top+height-ty;
if (h<top) continue;
w.renderText(fd,left+width-8-x,(h+(y/2.0)),0,m_text_color,defaultfont);
lines->add(left+width-4,h,left+width,h,line_color);
double z=(min_ytick/4)*ymult;
double g=h;
for (int i=0;i<3;i++) {
g+=z;
if (g>top+height) break;
lines->add(left+width-3,g,left+width,g,line_color);
if (lines->full()) {
qWarning() << "vertarray bounds exceeded in gYAxis for " << w.title() << "graph" << "MinY =" <<miny << "MaxY =" << maxy << "min_ytick=" <<min_ytick;
break;
}
}
if (lines->full()) {
qWarning() << "vertarray bounds exceeded in gYAxis for " << w.title() << "graph" << "MinY =" <<miny << "MaxY =" << maxy << "min_ytick=" <<min_ytick;
break;
}
}
}
}