mirror of
https://gitlab.com/pholy/OSCAR-code.git
synced 2025-04-05 18:50:44 +00:00
added that yAxis ticker code back, but I made it selectable with usePixmapCache. It's much faster
This commit is contained in:
Mark Watkins
parent
f0a1e4c15a
commit
866b9151ab
@ -137,102 +137,226 @@ gYAxis::~gYAxis()
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}
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void gYAxis::paint(gGraph & w,int left,int top, int width, int height)
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{
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if (height<0) return;
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if (height>2000) return;
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int x,y;
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int labelW=0;
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int x,y,yh=0;
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EventDataType miny=w.min_y;
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EventDataType maxy=w.max_y;
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if (w.graphView()->usePixmapCache()) {
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if (w.invalidate_yAxisImage) {
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if (miny<0) { // even it up if it's starts negative
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miny=-MAX(fabs(miny),fabs(maxy));
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}
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w.roundY(miny,maxy);
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EventDataType dy=maxy-miny;
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static QString fd="0";
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GetTextExtent(fd,x,y);
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double max_yticks=round(height / (y+14.0)); // plus spacing between lines
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double mxy=MAX(fabs(maxy),fabs(miny));
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double mny=miny;
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if (miny<0) {
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mny=-mxy;
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}
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double rxy=mxy-mny;
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int myt;
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bool fnd=false;
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for (myt=max_yticks;myt>2;myt--) {
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float v=rxy/float(myt);
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if (v==int(v)) {
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fnd=true;
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break;
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}
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}
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if (fnd) max_yticks=myt;
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double yt=1/max_yticks;
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double ymult=height/rxy;
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double min_ytick=rxy*yt;
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if (!w.yAxisImage.isNull()) {
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w.graphView()->deleteTexture(w.yAxisImageTex);
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w.yAxisImage=QImage();
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}
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//if (dy>5) {
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// min_ytick=round(min_ytick);
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//} else {
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if (height<0) return;
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if (height>2000) return;
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//}
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int labelW=0;
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float ty,h;
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EventDataType miny=w.min_y;
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EventDataType maxy=w.max_y;
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if (min_ytick<=0) {
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qDebug() << "min_ytick error in gYAxis::paint() in" << w.title();
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return;
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}
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if (min_ytick>=1000000) {
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min_ytick=100;
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}
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lines=w.backlines();
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if (miny<0) { // even it up if it's starts negative
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miny=-MAX(fabs(miny),fabs(maxy));
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}
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GLuint line_color=m_line_color.rgba();
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for (double i=miny; i<=maxy+min_ytick-0.00001; i+=min_ytick) {
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ty=(i - miny) * ymult;
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if (dy<5) {
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fd=Format(i*m_yaxis_scale,2);
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} else {
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fd=Format(i*m_yaxis_scale,1);
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w.roundY(miny,maxy);
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EventDataType dy=maxy-miny;
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static QString fd="0";
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GetTextExtent(fd,x,y);
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yh=y;
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QPixmap pixmap(width,height+y+4);
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pixmap.fill(Qt::transparent);
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QPainter paint(&pixmap);
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double max_yticks=round(height / (y+14.0)); // plus spacing between lines
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double mxy=MAX(fabs(maxy),fabs(miny));
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double mny=miny;
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if (miny<0) {
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mny=-mxy;
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}
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double rxy=mxy-mny;
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int myt;
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bool fnd=false;
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for (myt=max_yticks;myt>2;myt--) {
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float v=rxy/float(myt);
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if (v==int(v)) {
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fnd=true;
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break;
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}
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}
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if (fnd) max_yticks=myt;
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double yt=1/max_yticks;
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double ymult=height/rxy;
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double min_ytick=rxy*yt;
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float ty,h;
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if (min_ytick<=0) {
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qDebug() << "min_ytick error in gYAxis::paint() in" << w.title();
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return;
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}
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if (min_ytick>=1000000) {
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min_ytick=100;
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}
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//lines=w.backlines();
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for (double i=miny; i<=maxy+min_ytick-0.00001; i+=min_ytick) {
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ty=(i - miny) * ymult;
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if (dy<5) {
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fd=Format(i*m_yaxis_scale,2);
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} else {
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fd=Format(i*m_yaxis_scale,1);
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}
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GetTextExtent(fd,x,y);
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if (x>labelW) labelW=x;
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h=(height-2)-ty;
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h+=yh;
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#ifndef Q_OS_MAC
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// stupid pixel alignment rubbish, I really should be using floats..
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h+=1;
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#endif
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if (h<0)
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continue;
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paint.setBrush(Qt::black);
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paint.drawText(width-8-x,h+y/2,fd);
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paint.setPen(m_line_color);
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paint.drawLine(width-4,h,width,h);
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double z=(min_ytick/4)*ymult;
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double g=h;
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for (int i=0;i<3;i++) {
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g+=z;
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if (g>height+yh) break;
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paint.drawLine(width-3,g,width,g);
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}
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}
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paint.end();
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w.yAxisImage=QGLWidget::convertToGLFormat(pixmap.toImage().mirrored(false,true));
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w.yAxisImageTex=w.graphView()->bindTexture(w.yAxisImage);
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w.invalidate_yAxisImage=false;
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}
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GetTextExtent(fd,x,y); // performance bottleneck..
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if (!w.yAxisImage.isNull()) {
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_TEXTURE_2D);
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w.graphView()->drawTexture(QPoint(left,(top+height)-w.yAxisImage.height()+5),w.yAxisImageTex);
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glDisable(GL_TEXTURE_2D);
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glDisable(GL_BLEND);
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}
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if (x>labelW) labelW=x;
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h=top+height-ty;
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if (h<top) continue;
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w.renderText(fd,left+width-8-x,(h+(y/2.0)),0,m_text_color);
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} else {
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if (height<0) return;
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if (height>2000) return;
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int labelW=0;
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lines->add(left+width-4,h,left+width,h,line_color);
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EventDataType miny=w.min_y;
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EventDataType maxy=w.max_y;
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double z=(min_ytick/4)*ymult;
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double g=h;
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for (int i=0;i<3;i++) {
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g+=z;
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if (g>top+height) break;
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lines->add(left+width-3,g,left+width,g,line_color);
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if (miny<0) { // even it up if it's starts negative
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miny=-MAX(fabs(miny),fabs(maxy));
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}
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w.roundY(miny,maxy);
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EventDataType dy=maxy-miny;
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static QString fd="0";
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GetTextExtent(fd,x,y);
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double max_yticks=round(height / (y+14.0)); // plus spacing between lines
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double mxy=MAX(fabs(maxy),fabs(miny));
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double mny=miny;
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if (miny<0) {
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mny=-mxy;
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}
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double rxy=mxy-mny;
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int myt;
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bool fnd=false;
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for (myt=max_yticks;myt>2;myt--) {
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float v=rxy/float(myt);
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if (v==int(v)) {
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fnd=true;
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break;
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}
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}
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if (fnd) max_yticks=myt;
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double yt=1/max_yticks;
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double ymult=height/rxy;
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double min_ytick=rxy*yt;
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//if (dy>5) {
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// min_ytick=round(min_ytick);
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//} else {
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//}
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float ty,h;
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if (min_ytick<=0) {
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qDebug() << "min_ytick error in gYAxis::paint() in" << w.title();
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return;
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}
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if (min_ytick>=1000000) {
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min_ytick=100;
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}
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lines=w.backlines();
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GLuint line_color=m_line_color.rgba();
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for (double i=miny; i<=maxy+min_ytick-0.00001; i+=min_ytick) {
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ty=(i - miny) * ymult;
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if (dy<5) {
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fd=Format(i*m_yaxis_scale,2);
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} else {
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fd=Format(i*m_yaxis_scale,1);
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}
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GetTextExtent(fd,x,y); // performance bottleneck..
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if (x>labelW) labelW=x;
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h=top+height-ty;
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if (h<top) continue;
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w.renderText(fd,left+width-8-x,(h+(y/2.0)),0,m_text_color);
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lines->add(left+width-4,h,left+width,h,line_color);
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double z=(min_ytick/4)*ymult;
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double g=h;
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for (int i=0;i<3;i++) {
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g+=z;
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if (g>top+height) break;
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lines->add(left+width-3,g,left+width,g,line_color);
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if (lines->full()) {
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qWarning() << "vertarray bounds exceeded in gYAxis for " << w.title() << "graph" << "MinY =" <<miny << "MaxY =" << maxy << "min_ytick=" <<min_ytick;
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break;
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}
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}
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if (lines->full()) {
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qWarning() << "vertarray bounds exceeded in gYAxis for " << w.title() << "graph" << "MinY =" <<miny << "MaxY =" << maxy << "min_ytick=" <<min_ytick;
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break;
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}
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}
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if (lines->full()) {
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qWarning() << "vertarray bounds exceeded in gYAxis for " << w.title() << "graph" << "MinY =" <<miny << "MaxY =" << maxy << "min_ytick=" <<min_ytick;
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break;
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}
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}
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}
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const QString gYAxis::Format(EventDataType v, int dp) {
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