C++ (Cpp) WRasterImage示例

示例#1

文件： WPaintedWidget.C 项目： pgquiles/wt

WPaintDevice *WWidgetRasterPainter::getPaintDevice(bool paintUpdate)
{
  if (!device_ || widget_->sizeChanged_) {
#ifdef WT_HAS_WRASTERIMAGE
    delete device_;
    device_ = createPaintDevice(paintUpdate);
#else
    throw WException("Wt was built without WRasterImage (graphicsmagick)");
#endif
  }

#ifdef WT_HAS_WRASTERIMAGE
  if (!paintUpdate)
    device_->clear();

  return device_;
#else
  return 0;
#endif
}

示例#2

文件： WPaintedWidget.C 项目： gokulavasan/wt

WPaintDevice *WWidgetRasterPainter::getPaintDevice(bool paintUpdate)
{
  if (!device_ || widget_->sizeChanged_) {
#ifdef HAVE_RASTER_IMAGE
    delete device_;
    device_
      = new WRasterImage("png", widget_->renderWidth_, widget_->renderHeight_);
#else
    throw WException("Wt was built without WRasterImage (graphicsmagick)");
#endif
  }

#ifdef HAVE_RASTER_IMAGE
  if (!paintUpdate)
    device_->clear();

  return device_;
#else
  return 0;
#endif
}