void CMeasuredGrid::CalLabels(Display::IDisplayPtr pDisplay, std::vector<stGridLabel>& vecVerticalLabel, std::vector<stGridLabel>& vecHorizontalLabel,
std::vector<std::pair<GEOMETRY::geom::Envelope, std::string>>& vecVerLabels, std::vector<std::pair<GEOMETRY::geom::Envelope, std::string>>& vecHorLabels,
double labelOffset, Display::CTextSymbol* pVerticalTextSym, Display::CTextSymbol* pHorizontalTextSym, double tickSpacePage)
{
int labelStep=1;
char labelText[100];
memset(labelText,0 , 100*sizeof(char));
DIS_RECT maxRect, textRect;
GEOMETRY::geom::Envelope maxEnv, textEnv;
maxRect.left = maxRect.right = maxRect.top = maxRect.bottom = 0;
GEOMETRY::geom::Coordinate coordLabelPos, coordLabelGeo;
double x[2];
int nFind = 0;
//bottom
if(m_bLabelBottom)
{
//计算最大的文字尺寸
for(int i=0; i<vecVerticalLabel.size(); i++)
{
if(!vecVerticalLabel[i].bStartValid)
continue;
coordLabelGeo = vecVerticalLabel[i].geoCoordStart;
sprintf(labelText, "%.2f", coordLabelGeo.x);
textRect = CalculateTextSize(pDisplay, pVerticalTextSym, labelText);
if(maxRect.Width()<textRect.Width())
maxRect = textRect;
}
pDisplay->GetDisplayTransformation().TransformToGeo(maxRect, &maxEnv);
//计算互不重叠文字的间隔
nFind = 0;
for(int i=0; i<vecVerticalLabel.size(); i++)
{
if(nFind == 2)
break;
if( vecVerticalLabel[i].bStartValid)
{
x[nFind] = vecVerticalLabel[i].pageCoordStart.x;
nFind++;
}
}
if(nFind==2)
{
double interval = abs(x[1]- x[0]);
if(maxEnv.getWidth()+4>interval)
labelStep = (int)((maxEnv.getWidth()+4)/interval + 0.9999);
}
//保存文字
for(int i=0; i<vecVerticalLabel.size(); i+=labelStep)
{
coordLabelGeo = vecVerticalLabel[i].geoCoordStart;
coordLabelPos = vecVerticalLabel[i].pageCoordStart;
textEnv.init(coordLabelPos.x/* - maxEnv.getWidth()/2*/, coordLabelPos.x/* + maxEnv.getWidth()/2*/, coordLabelPos.y - tickSpacePage - labelOffset - maxEnv.getHeight()/2,
coordLabelPos.y - tickSpacePage - labelOffset - maxEnv.getHeight()/2);
sprintf(labelText, "%.2f", coordLabelGeo.x);
std::pair<GEOMETRY::geom::Envelope, std::string> label;
label.first = textEnv;
label.second = labelText;
vecVerLabels.push_back(label);
}
}
//top
if(m_bLabelTop)
{
maxRect.left = maxRect.right = maxRect.top = maxRect.bottom = 0;
for(int i=0; i<vecVerticalLabel.size(); i++)
{
if(!vecVerticalLabel[i].bEndValid)
continue;
coordLabelGeo = vecVerticalLabel[i].geoCoordEnd;
sprintf(labelText, "%.2f", coordLabelGeo.x);
textRect = CalculateTextSize(pDisplay, pVerticalTextSym, labelText);
if(maxRect.Width()<textRect.Width())
maxRect = textRect;
}
pDisplay->GetDisplayTransformation().TransformToGeo(maxRect, &maxEnv);
nFind = 0;
for(int i=0; i<vecVerticalLabel.size(); i++)
{
if(nFind == 2)
break;
if( vecVerticalLabel[i].bEndValid)
{
x[nFind] = vecVerticalLabel[i].pageCoordEnd.x;
nFind++;
}
}
if(nFind==2)
{
double interval = abs(x[1]- x[0]);
if(maxEnv.getWidth()+4>interval)
labelStep = (int)((maxEnv.getWidth()+4)/interval + 0.9999);
}
for(int i=0; i<vecVerticalLabel.size(); i+=labelStep)
{
coordLabelGeo = vecVerticalLabel[i].geoCoordEnd;
coordLabelPos = vecVerticalLabel[i].pageCoordEnd;
textEnv.init(coordLabelPos.x/* - maxEnv.getWidth()/2*/, coordLabelPos.x/* + maxEnv.getWidth()/2*/,
coordLabelPos.y + tickSpacePage + labelOffset + maxEnv.getHeight()/2, coordLabelPos.y + tickSpacePage + labelOffset + maxEnv.getHeight()/2);
sprintf(labelText, "%.2f", coordLabelGeo.x);
std::pair<GEOMETRY::geom::Envelope, std::string> label;
label.first = textEnv;
label.second = labelText;
vecVerLabels.push_back(label);
}
}
//left
double y[2];
if(m_bLabelLeft)
{
maxRect.left = maxRect.right = maxRect.top = maxRect.bottom = 0;
for(int i=0; i<vecHorizontalLabel.size(); i++)
{
if(!vecHorizontalLabel[i].bStartValid)
continue;
coordLabelGeo = vecHorizontalLabel[i].geoCoordStart;
sprintf(labelText, "%.2f", coordLabelGeo.y);
textRect = CalculateTextSize(pDisplay, pHorizontalTextSym, labelText);
if(maxRect.Width()<textRect.Width())
maxRect = textRect;
}
pDisplay->GetDisplayTransformation().TransformToGeo(maxRect, &maxEnv);
nFind = 0;
for(int i=0; i<vecHorizontalLabel.size(); i++)
{
if(nFind == 2)
break;
if( vecHorizontalLabel[i].bStartValid)
{
y[nFind] = vecHorizontalLabel[i].pageCoordStart.y;
nFind++;
}
}
if(nFind==2)
{
double interval = abs(y[1]- y[0]);
if(maxEnv.getHeight()+4>interval)
labelStep = (int)((maxEnv.getHeight()+4)/interval + 0.9999);
}
for(int i=0; i<vecHorizontalLabel.size(); i+=labelStep)
{
coordLabelGeo = vecHorizontalLabel[i].geoCoordStart;
coordLabelPos = vecHorizontalLabel[i].pageCoordStart;
textEnv.init(coordLabelPos.x - tickSpacePage - labelOffset - maxEnv.getWidth()/2 , coordLabelPos.x - tickSpacePage - labelOffset - maxEnv.getWidth()/2,
coordLabelPos.y , coordLabelPos.y);
sprintf(labelText, "%.2f", coordLabelGeo.y);
std::pair<GEOMETRY::geom::Envelope, std::string> label;
label.first = textEnv;
label.second = labelText;
vecHorLabels.push_back(label);
}
}
if(m_bLabelRight)
{
//right
maxRect.left = maxRect.right = maxRect.top = maxRect.bottom = 0;
for(int i=0; i<vecHorizontalLabel.size(); i++)
{
if(!vecHorizontalLabel[i].bEndValid)
continue;
coordLabelGeo = vecHorizontalLabel[i].geoCoordEnd;
sprintf(labelText, "%.2f", coordLabelGeo.y);
textRect = CalculateTextSize(pDisplay, pHorizontalTextSym, labelText);
if(maxRect.Width()<textRect.Width())
maxRect = textRect;
}
pDisplay->GetDisplayTransformation().TransformToGeo(maxRect, &maxEnv);
nFind = 0;
for(int i=0; i<vecHorizontalLabel.size(); i++)
{
if(nFind == 2)
break;
if( vecHorizontalLabel[i].bEndValid)
{
y[nFind] = vecHorizontalLabel[i].pageCoordEnd.y;
nFind++;
}
}
if(nFind==2)
{
double interval = abs(y[1]- y[0]);
if(maxEnv.getHeight()+4>interval)
labelStep = (int)((maxEnv.getHeight()+4)/interval + 0.9999);
}
for(int i=0; i<vecHorizontalLabel.size(); i+=labelStep)
{
coordLabelGeo = vecHorizontalLabel[i].geoCoordEnd;
coordLabelPos = vecHorizontalLabel[i].pageCoordEnd;
textEnv.init(coordLabelPos.x + tickSpacePage + labelOffset + maxEnv.getWidth()/2 , coordLabelPos.x + tickSpacePage + labelOffset + maxEnv.getWidth()/2,
coordLabelPos.y, coordLabelPos.y);
sprintf(labelText, "%.2f", coordLabelGeo.y);
std::pair<GEOMETRY::geom::Envelope, std::string> label;
label.first = textEnv;
label.second = labelText;
vecHorLabels.push_back(label);
}
}
}
void Button::SetTextParameters(){
CalculateTextSize();
CalculateTextPosition();
};
