Example #1
0
void iupPlot::DrawBackgroundImage(cdCanvas* canvas) const
{
  Ihandle* image = iupImageGetHandle(mBack.GetImage());
  if (image)
  {
    double theScreenMinX = mAxisX.mTrafo->Transform(mBack.mImageMinX);
    double theScreenMinY = mAxisY.mTrafo->Transform(mBack.mImageMinY);
    double theScreenMaxX = mAxisX.mTrafo->Transform(mBack.mImageMaxX);
    double theScreenMaxY = mAxisY.mTrafo->Transform(mBack.mImageMaxY);

    double theScreenW = theScreenMaxX - theScreenMinX + 1;
    double theScreenH = theScreenMaxY - theScreenMinY + 1;

    int theX = iupPlotRound(theScreenMinX);
    int theY = iupPlotRound(theScreenMinY);
    int theW = iupPlotRound(theScreenW);
    int theH = iupPlotRound(theScreenH);

    cdIupDrawImage(canvas, image, theX, theY, theW, theH, 0, mBack.mColor);
  }
}
Example #2
0
static int iMatrixListDrawImageCol(Ihandle *ih, ImatrixListData* mtxList, int lin, int col, int x1, int x2, int y1, int y2, cdCanvas *cnv)
{
  char* image_name;
  int make_inactive = 0, itemactive, imageactive, imagevalue, showdelete,
      active = iupdrvIsActive(ih), linedelete;
  int lines_num = ih->data->lines.num;
  Ihandle* image;

  itemactive = IupGetIntId(ih, "ITEMACTIVE", lin);
  imageactive = IupGetIntId(ih, "IMAGEACTIVE", lin);
  imagevalue = IupGetIntId(ih, "IMAGEVALUE", lin);
  showdelete = IupGetInt(ih, "SHOWDELETE");
  linedelete = IupGetIntId(ih, "LINEDELETE", lin);

  if (!active || !itemactive || !imageactive)
    make_inactive = 1;

  image_name = iupAttribGetId(ih, "IMAGE", lin);
  if (!image_name)
  {
    char* attrib_name;
    if (mtxList->editable)
    {
      if (lin == lines_num-1)
        attrib_name = "IMAGEADD";
      else
      {
        if (showdelete || linedelete)
          attrib_name = "IMAGEDEL";
        else
        {
          if (imagevalue)
            attrib_name = "IMAGECHECK";
          else
            attrib_name = "IMAGEUNCHECK";
        }
      }
    }
    else
    {
      if (imagevalue)
        attrib_name = "IMAGECHECK";
      else
        attrib_name = "IMAGEUNCHECK";
    }

    image_name = iupAttribGetStr(ih, attrib_name);  /* this will check for the default values also */
  }

  image = iupImageGetHandle(image_name);
  if (image)
  {
    int width  = IupGetInt(image, "WIDTH");
    int height = IupGetInt(image, "HEIGHT");

    long bgcolor = cdIupConvertColor(IupGetAttributeId2(ih, "CELLBGCOLOR", lin, col));

    /* Calc the image_name position */
    int x = x2 - x1 - width;
    int y = y1 - y2 - 1 - height;
    x /= 2; x += x1;
    y /= 2; y += y2;

    cdIupDrawImage(cnv, image, x, y, 0, 0, make_inactive, bgcolor);
  }

  return IUP_DEFAULT;  /* draw nothing more */
}