本文整理汇总了C++中wxMemoryDC::DrawRotatedText方法的典型用法代码示例。如果您正苦于以下问题：C++ wxMemoryDC::DrawRotatedText方法的具体用法？C++ wxMemoryDC::DrawRotatedText怎么用？C++ wxMemoryDC::DrawRotatedText使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类wxMemoryDC的用法示例。
在下文中一共展示了wxMemoryDC::DrawRotatedText方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: DrawCurrentValues
void StripChart::DrawCurrentValues(wxMemoryDC &dc){
//see if data was logged for the mouse location
int dataBufferSize = _dataBuffer.size();
float zoomFactor = (float)_zoomPercentage / 100.0;
int dataBufferIndex = dataBufferSize - (int)(((float)(_currentWidth - _mouseX)) / zoomFactor) - 1;
//adjust for uboundoffset
dataBufferIndex-=((dataBufferSize - 1) -_currentDataBufferUBound);
if (dataBufferIndex < 0 || dataBufferIndex >= dataBufferSize) return;
dc.SetPen(*wxThePenList->FindOrCreatePen(*wxWHITE, 1, wxSOLID));
dc.DrawLine(_mouseX, 0, _mouseX, _currentHeight);
int currentOffset = 0;
StripChartLogItem logItem = _dataBuffer[dataBufferIndex];
wxDateTime timestamp = logItem.GetTimestamp();
wxDateTime fromTime;
switch(_timespanMode){
case TIMESPAN_FROM_LAST_LOG_ENTRY:
{
StripChartLogItem lastLogItem = _dataBuffer[dataBufferSize - 1];
fromTime = lastLogItem.GetTimestamp();
break;
}
case TIMESPAN_FROM_NOW:
fromTime = wxDateTime::UNow();
break;
}
wxTimeSpan span = (fromTime - timestamp);
wxString timeString = wxString::Format("%d seconds back",(int)span.GetSeconds().ToLong());
wxFont labelFont = GetFont();
int labelWidth,labelHeight,descent,externalLeading;
dc.GetTextExtent(timeString, &labelHeight, &labelWidth, &descent, &externalLeading, &labelFont);
dc.SetTextForeground(*wxWHITE);
dc.DrawRotatedText(timeString, _mouseX - labelWidth, _mouseY,90);
for (LogItemTypes::iterator it = _logItemTypes.begin(); it != _logItemTypes.end(); ++it){
wxString key = it->first;
LogItemType *logItemType = it->second;
ChartScale *scale = &_chartScales[logItemType->scaleId];
dc.SetTextForeground(logItemType->lineColor);
int value = logItem[logItemType->typeKey];
wxString valueString = logItemType->typeLabel + ": " + wxString::Format("%d",value) + " " +scale->scaleLabel;
dc.GetTextExtent(valueString, &labelHeight, &labelWidth, &descent, &externalLeading, &labelFont);
currentOffset += labelWidth;
dc.DrawRotatedText(valueString,_mouseX - labelHeight - 15, _mouseY - currentOffset,0);
}
}示例2: DrawCurrentValues
void LineChart::DrawCurrentValues(wxMemoryDC &dc, size_t dataIndex, int x, int y){
int currentOffset = 0;
wxFont labelFont = GetFont();
int labelWidth,labelHeight,descent,externalLeading;
for (SeriesMap::iterator it = m_seriesMap.begin(); it != m_seriesMap.end(); ++it){
Series *series = it->second;
double dataValue = series->GetValueAtOrNear(dataIndex);
wxString numberFormat = "% 2." + wxString::Format("%df", series->GetPrecision());
wxString valueString = (DatalogValue::NULL_VALUE == dataValue ? "---" : wxString::Format(numberFormat.ToAscii(), dataValue)) + " " + series->GetLabel();
dc.SetTextForeground(series->GetColor());
dc.GetTextExtent(valueString, &labelHeight, &labelWidth, &descent, &externalLeading, &labelFont);
dc.DrawRotatedText(valueString, x + CURRENT_VALUES_RIGHT_OFFSET, y + currentOffset,0);
currentOffset += labelWidth;
}
}示例3: DrawScale
int LineChart::DrawScale(wxMemoryDC &dc){
int leftOrientationEdge = 0;
int rightOrientationEdge = _currentWidth - 1;
int scaleOrientation = LineChart::ORIENTATION_LEFT;
wxFont labelFont = GetFont();
int tickLabelWidth = 0;
for (SeriesMap::iterator it = m_seriesMap.begin(); it != m_seriesMap.end(); ++it){
int maxLabelWidth = 0;
Series *series = it->second;
Range * range = m_rangeArray[series->GetRangeId()];
double minValue = range->GetMin();
double maxValue = range->GetMax();
double rangeSize = maxValue - minValue;
double stepInterval = (maxValue - minValue) / 10;
if (stepInterval == 0) stepInterval = 1;
dc.SetPen(*wxThePenList->FindOrCreatePen(series->GetColor(), 1, wxSOLID));
dc.SetTextForeground(series->GetColor());
bool labelOn = false;
int tickLabelHeight,tickDescent,tickExternalLeading;
dc.DrawLine(leftOrientationEdge, 0, leftOrientationEdge, _currentHeight);
for (double tick = minValue; tick <=maxValue; tick += stepInterval){
int y = _currentHeight - (double)_currentHeight * ((tick - minValue) / rangeSize);
int nextY = _currentHeight - (double)_currentHeight * ((tick + stepInterval - minValue) / rangeSize);
if (labelOn){
wxString numberFormat = "%." + wxString::Format("%df", range->GetPrecision());
wxString tickLabel = wxString::Format(numberFormat, tick);
dc.GetTextExtent(tickLabel, &tickLabelHeight, &tickLabelWidth, &tickDescent, &tickExternalLeading, &labelFont);
if (tickLabelHeight > maxLabelWidth) maxLabelWidth = tickLabelHeight;
if (tickLabelWidth < y - nextY ){
switch (scaleOrientation){
case LineChart::ORIENTATION_LEFT:
{
dc.DrawRotatedText(tickLabel, leftOrientationEdge, y, 0);
break;
}
case LineChart::ORIENTATION_RIGHT:
{
dc.DrawRotatedText(tickLabel, rightOrientationEdge, y, 0);
break;
}
}
}
}
labelOn = !labelOn;
dc.DrawLine(leftOrientationEdge, y, leftOrientationEdge + tickLabelWidth, y);
}
maxLabelWidth+=(tickLabelWidth / 2);
switch (scaleOrientation){
case LineChart::ORIENTATION_LEFT:
{
leftOrientationEdge += (maxLabelWidth);
break;
}
case LineChart::ORIENTATION_RIGHT:
{
rightOrientationEdge -= (maxLabelWidth);
break;
}
}
}
return leftOrientationEdge;
}示例4: DrawScale
void StripChart::DrawScale(wxMemoryDC &dc){
int leftOrientationEdge = 0;
int rightOrientationEdge = _currentWidth - 1;
wxFont labelFont = GetFont();
for (LogItemTypes::iterator it = _logItemTypes.begin(); it != _logItemTypes.end(); ++it){
wxString key = it->first;
LogItemType *logItemType = it->second;
ChartScale *scale = &_chartScales[logItemType->scaleId];
ChartScale::UNITS_DISPLAY_ORIENTATION orientation = scale->displayOrientation;
double stepInterval = scale->stepInterval;
double minValue = scale->minValue;
double maxValue = scale->maxValue;
dc.SetPen(*wxThePenList->FindOrCreatePen(logItemType->lineColor, 1, wxSOLID));
wxString chartLabel = logItemType->typeLabel + " ( " + scale->scaleLabel + " )";
int labelWidth,labelHeight,descent,externalLeading;
dc.GetTextExtent(chartLabel, &labelHeight, &labelWidth, &descent, &externalLeading, &labelFont);
dc.SetTextForeground(logItemType->lineColor);
int verticalMiddleOfChart = _currentHeight / 2;
int tickFromX = 0;
int tickToX = 0;
bool showLabels;
showLabels = (_currentHeight > labelHeight * 2 );
switch (orientation){
case ChartScale::ORIENTATION_LEFT:
{
if (showLabels) dc.DrawRotatedText(chartLabel,leftOrientationEdge, verticalMiddleOfChart + (labelHeight / 2),90);
leftOrientationEdge += labelWidth;
tickFromX = leftOrientationEdge;
leftOrientationEdge += 5;
tickToX = leftOrientationEdge;
dc.DrawLine(tickFromX, 0 , tickFromX, _currentHeight);
break;
}
case ChartScale::ORIENTATION_RIGHT:
{
if (showLabels) dc.DrawRotatedText(chartLabel, rightOrientationEdge, verticalMiddleOfChart - (labelHeight / 2), 270);
rightOrientationEdge -= labelWidth;
tickToX = rightOrientationEdge;
rightOrientationEdge -= 5;
tickFromX = rightOrientationEdge;
dc.DrawLine(tickToX, 0 , tickToX, _currentHeight);
break;
}
}
bool labelOn = false;
int tickLabelWidth,tickLabelHeight,tickDescent,tickExternalLeading;
for (double tick = minValue; tick <=maxValue; tick = tick + stepInterval){
double percentageOfMax = (tick - minValue) / (maxValue - minValue);
int y = _currentHeight - (int)(((double)_currentHeight) * percentageOfMax);
dc.DrawLine(tickFromX, y, tickToX, y);
if (labelOn){
wxString tickLabel;
tickLabel.Printf("%d",(int)tick);
dc.GetTextExtent(chartLabel, &tickLabelHeight, &tickLabelWidth, &tickDescent, &tickExternalLeading, &labelFont);
if (showLabels){
switch (orientation){
case ChartScale::ORIENTATION_LEFT:
{
dc.DrawRotatedText(tickLabel, leftOrientationEdge, y + (tickLabelWidth / 2), 90);
break;
}
case ChartScale::ORIENTATION_RIGHT:
{
dc.DrawRotatedText(tickLabel, rightOrientationEdge, y - (tickLabelWidth / 2), 270);
break;
}
}
}
}
labelOn = !labelOn;
}
switch (orientation){
case ChartScale::ORIENTATION_LEFT:
{
leftOrientationEdge += (tickLabelWidth);
break;
}
case ChartScale::ORIENTATION_RIGHT:
{
rightOrientationEdge -= (tickLabelWidth);
break;
}
//.........这里部分代码省略.........