Wide Studio Object Reference

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  ## Class Name WSDdev ## Specification of methods ### setScalePtr Function Description Form void setScalePtr(double* ptr) Function Set a pointer to a variable stored - a magnification rate. Description When a pointer is set to a variable that stored a magnification rate, it draws with its magnification rate. Parameters
  (in)double* ptr | A pointer to a variable for a magnification rate

Return value
  None
Notice
  Set NULL when the setting is canceled
Samples

        dev->setScalePtr(&scale);//Pass a double type scale pointer

  ### setXOffsetPtr Function Description

  Form
    void setXOffset(short* ptr)
  Function
    Set a pointer to a variable that stored X offset of displaying position X
  Description
    Draw on the coordinate adding offset value when a pointer is set to the variable that has X offset of displaying position.
  Parameters

    (in)short* ptr | Pointer to a variable of an offset value

  Return value
    None
  Notice
    Set NULL when the setting is cancelled
  Samples

          dev->setXOffsetPtr(&xoffset);//Pass a short type xoffset pointer

  ### setYOffsetPtr Function Description

  Form
    void setYOffset(short* ptr)
  Function
    Specify a pointer to a variable that stored Y offset of displaying position Y
  Description
    Draw on the coordinate adding an offset value when a pointer is set to a variable that has Y offset of displaying position
  Parameters

    (in)short* ptr | Pointer to a variable of offset value

  Return value
    None
  Notice
    Set NULL when the setting is canceled
  Samples

          dev->setYOffsetPtr(&yoffset);//Pass a short type yoffset pointer

  ### getScale Function Description

  Form
    double getScale()
  Function
    Obtain a magnification rate
  Description
    If a pointer is set to the variable that stored a magnification rate; this returns its value, otherwise 1 is returned.
  Parameters
    None
  Return value
    Displaying magnification rate
  Notice
    None
  Samples

          //WSDdev Obtain a scale offset set in an instance
          double scale = dev->getScale();

  ### getXOffset Function Description

  Form
    short getXOffset()
  Function
    Display position X offset
  Description
    If a pointer is set to a variable that stored a display position X offset, this returns its value, otherwise 0 is returned.
  Parameters
    None
  Return value
    Display position X offset
  Notice
    None
  Samples

          //Obtain X offset set in the WSDdev instance
          short xoffset = dev->getXOffset();

  ### getYOffset Function Description

  Form
    short getYOffset()
  Function
    Display position Y offset
  Description
    If a pointer is set to a variable that stored a display position Y offset, this returns its value, otherwise 0 is returned.
  Parameters
    None
  Return value
    Display position Y offset
  Notice
    None
  Samples

          //Obtain Y offset set in the WSDdev instance
          short yoffset = dev->getYOffset();

  ### setForeColor Function Description

  Form
    long setForeColor(short cno)
  Function
    Specify drawing color by the color number
  Description
    Specify drawing color used in methods like drawLine, etc.
  Parameters

    (in)short cno | Color number

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
  Samples

        //WSCvline::draw() example
        long WSCvline::draw(){
          if (getVisible() == False){
            return WS_NO_ERR;
          }
          WSDdev* dev = getowndev();
          if (dev == NULL){
            return WS_ERR;
          }
          short x = _x;
          short y = _y;
          WSCushort w = _w;
          WSCushort h = _h;

          WSCbool absolute = getAbsoluteDraw();
          if (absolute == True){
          }else
          if (dev->isExposed(x, y, w, h) == False){
            return WS_NO_ERR;
          }
          WSCbool blinkfore = WSGIappBlink()->getBlinkFore(_blink_rate);
          if (_bl_fl == True &&
              blinkfore == True &&
              _tw_fl == False){
            return WS_NO_ERR;
          }

          long err = dev->beginDraw(x, y, w, h, absolute);
          if (err != WS_NO_ERR){
            return WS_NO_ERR;
          }

          WSCbase::update();
          setAbsoluteDraw(False);
          WSCushort line_w = _lw;
          if (line_w != 0) {
            if (_bl_fl == True &&
                blinkfore == True &&
                _tw_fl == True){
              dev->setForeColor(_blink_color);
            } else {
              dev->setForeColor(_fore_color);
            }

            if (line_w == 1) {
              dev->setLineWidth((WSCushort)0);
            } else {
              dev->setLineWidth((WSCushort)line_w);
            }
            dev->setLineDashType(_lt);
            if (_line_num != 0) {
              WSCpoint* pt = new WSCpoint[_line_num];
              short     i;
              for (i=0; i<_line_num; i++) {
                pt[i].x = (short)(_line_x[i]);
                pt[i].y = (short)(_line_y[i]);
              }
              dev->drawLines(pt, _line_num);
              delete pt;
            }
          }
          dev->endDraw();
          return WS_NO_ERR;
        }

  ### setBackColor Function Description

  Form
    long setBacKColor(short cno)
  Function
    Specify a background color by the color number
  Description
    Specify a background color used in like drawFillRect method, etc.
  Parameters

    (in)short cno | Color number

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
  Samples

          //Specify a background color
          short cno = WSGIappColorSet()->getColorNo("#000000");
          dev->setBackColor(cno);

  ### setLineWidth Function Description

  Form
    long setLineWidth(short linewidth)
  Function
    Specify a line girth to draw
  Description
    Specify a line girth used in drawLine, etc.
  Parameters

    (in)short linewidth | Line girth

  Return value
    WS_NO_ERR: Success,WS_ERR: Fail
  Notice
    None
  Samples
    Refer to setForeColor()

  ### setLineDashType Function Description

  Form
    long setLineDashType(char no)
  Function
    Specify dotted line attribute to a drawing line
  Description
    Specify dotted line attribute used in drawLine, etc.
  Parameters

    (in)char no | Dotted line attribute

    The following is supported for the dotted line attribute

    Attribute value | Meaning
    0 | Solid line
    1 | Chain line
    2 | Long chain line
    3 | Single dash line
    4 | Double dash line
    5 | Long single dash line
    6 | Long double dash line
    7 | Fine dotted line

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
  Samples
    Refer to setForeColor()

  ### setHatchPattern Function Description

  Form
    long setHatchPattern(char no)
  Function
    Specify daub attribute
  Description
    Specify daub attribute used in drawRect method, etc.
  Parameters

    (in)char no | Daub attribute

    The following are supported as daub attribute.

    Attribute value | Meaning
    0 | Sold
    1 | Left down hatched
    2 | Right down hatched
    3 | Vertical line
    4 | Horizontal line
    5 | Plaid-cross
    6 | Check pattern
    7 | Dots

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          //Set hatch pattern
          dev->setHatchPattern(7);

  ### setRegion Function Description

  Form
    long setRegion(short x,short y,unsigned short w,unsigned short h);
  Function
    Specify a drawing area
  Description
    Outside of a specified area is not drawn
  Parameters

    (in)short x | X coordinate
    (in)short y | Y coordinate
    (in)unsigned short w | Area width
    (in)unsigned short h | Area height

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          //Specify a drawing area
          dev->setRegion(10,10,100,100);

  ### beginDraw Function Description

  Form
    long beginDraw(short x,short y,WSCushort w,WSCushort h, WSCbool absolute = False,WSCbool scaling = True)
  Function
    Start drawing on a specified area
  Description
    Start drawing of rectangle region coordinate x, y, width w, and height h When absolute is set True, it draws even if an exposure event does not occur. Also, when scaling is set True, it draws with scale offset effective.
  Parameters

    (in)short x | X coordinate
    (in)short y | Y coordinate
    (in)unsigned short w | Region width
    (in)unsigned short h | Region height
    (in)WSCbool absolute | Force drawing flag
    (in)WSCbool scaling | Scale flag

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples
    Refer to setForeColor()

  ### drawArc Function Description

  Form
    long drawArc(short x,short y,unsigned short w, unsigned short h,short a1,short a2);
  Function
    Draw circular arc, oval arc
  Description
    Specify arc start degree, arc end degree with X right coordinate being 0 degree by anticlockwise of a circle/oval with horizontal diameter w, and vertical diameter h. In doing so, note that you should specify a 64-fold value to ensure 1/64 accuracy. When drawing a complete circle, an oval, or an arc, specify 0*64, 360*64 for each.
  Parameters

    (in)short x | X coordinate
    (in)short y | Y coordinate
    (in)unsigned short w | Region width
    (in)unsigned short h | Region height
    (in)short a1 | Arc start degree
    (in)short a2 | Arc end degree

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          //Draw a circular arc
          dev->drawArc(50,200,50,50,60*64,270*64);

  ### drawFillArc Function Description

  Form
    long drawFillArc(short x,short y,unsigned short w, unsigned short h,short a1,short a2,char kind);
  Function
    Draw a daub fill arc/oval arc
  Description
    Specify the arc start degree, arc end degree with X right coordinate being 0 degrees by anticlockwise of a circle/oval with horizontal diameter w, and vertical diameter h. In doing so, you should specify a 64-fold value to ensure 1/64 accuracy. When drawing a complete circle, an oval, or an arc, specify 0*64, 360*64 for each. Specifying the kind of arc, you can draw a sector form arc or arch arc.
  Parameters

    (in)short x | X coordinate
    (in)short y | Y coordinate
    (in)unsigned short w | Region width
    (in)unsigned short h | Region height
    (in)short a1 | Arc start degree
    (in)short a2 | Arc end degree
    (in)char kind | Kinds of a daub fill arc

    Following daub fills arc are supported.

    Attribute | Meaning
    0 | Sector form
    1 | Arch form

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          //Draw a pie form arc
          dev->drawFillArc(150,200,100,50,60*64,270*64, 0 /*PIE*/ );
          //Draw a chord form arc
          dev->drawFillArc(250,200,100,50,60*64,270*64, 1 /*CHORD*/ );

  ### drawLine Function Description

  Form
    long drawLine(short x1,short y1,short x2,short y2);
  Function
    Draw a line
  Description
    Draw a line from coordinate (x1,y1) to (x2,y2)
  Parameters

    (in)short x1 | Line start X coordinate
    (in)short y1 | Line start Y coordinate
    (in)short x2 | Line end X coordinate
    (in)short y2 | Line end Y coordinate

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          //Draw a line
          dev->drawLine(50,50,100,100);

  ### drawLines Function Description

  Form
    long drawLines(WSCpoint* pt,long num);
  Function
    Draw a polygonal line
  Description
    Draw a polygonal line starting with specified (X1,Y1) through (Xn,Yn)
  Parameters

    (in)WSCpoint* pt | Array of corner points
    (in)long num | The number of corner points

    WSCpoint has members x,y
  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples
    Refer to setForeColor()

  ### drawRect Function Description

  Form
    long drawRect(short x,short y,unsigned short w,unsigned short h);
  Function
    Draw a rectangle
  Description
    Draw a rectangle of (x,y) on its upper left with a width w, height h
  Parameters

    (in)short x | X coordinate
    (in)short y | Y coordinate
    (in)unsigned short w | rectangle width
    (in)unsigned short h | rectangle height

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          //Draw a rectangle
          dev->drawRect(150,50,100,100);

  ### drawFillRect Function Description

  Form
    long drawFillRect(short x,short y,unsigned short w,unsigned short h);
  Function
    Draw a daub fill rectangle
  Description
    Draw a daub fill rectangle of (x,y) on its upper left, with a width w, height h
  Parameters

    (in)short x | X coordinate
    (in)short y | Y coordinate
    (in)unsigned short w | rectangle width
    (in)unsigned short h | rectangle height

  Return value
    WS_NO_ERR: Success,WS_ERR: Fail
  Notice
    None
  Samples

          //Draw a daub fill rectangle
          dev->drawFillRect(150,50,100,100);

  ### drawRects Function Description

  Form
    long drawRects(WSCrect* pt,long num);
  Function
    Draw multiple rectangles
  Description
    Draw multiple rectangles specified by WSCrect array
  Parameters

    (in)WSCrect* rect | rectangle array
    (in)long num | The number of rectangles

    WSCrect has members x, y, width, height
  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          //Draw a rectangle
          WSCrect rect[3];
          rect[0].setRect(300,300,10,10);
          rect[1].setRect(320,300,10,10);
          rect[2].setRect(340,300,10,10);
          dev->drawRects(rect,3);

  ### drawFillRects Function Description

  Form
    long drawFillRects(WSCrect* pt,long num);
  Function
    Draw multiple daub fill rectangles
  Description
    Draw multiple daub fill rectangles specified by WSCrect array
  Parameters

    (in)WSCrect* rect | Rectangle array
    (in)long num | The number of corner points

    WSCrect has members x,y,width,height
  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None

          //Draw a rectangle
          WSCrect rect[3];
          rect[0].setRect(300,300,10,10);
          rect[1].setRect(320,300,10,10);
          rect[2].setRect(340,300,10,10);
          dev->drawFillRects(rect,3);

  ### drawPoly Function Description

  Form
    long drawPoly(WSCpoint* pt,long num);
  Function
    Draw a polygon
  Description
    Draw a polygon of connecting specified the coordinate (X1,Y1) through (Xn,Yn)
  Parameters

    (in)WSCpoint* pt | Corner points coordinates array
    (in)long num | The number of corner points

    WSCpoint has members x,y
  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          WSCpoint pt[3];
          pt[0].x = 300;
          pt[0].y = 300;
          pt[1].x = 330;
          pt[1].y = 330;
          pt[2].x = 300;
          pt[2].y = 330;
          dev->setForeColor("#00ffff");
          dev->drawPoly(pt,3);

  ### drawFillPoly Function Description

  Form
    long drawFillPoly(WSCpoint* pt,long num);
  Function
    Draw a daub fill polygon
  Description
    Draw a daub fill polygon connecting specified coordinate (X1,Y1) through (Xn,Yn)
  Parameters

    (in)WSCpoint* pt | Corner points coordinates array
    (in)long num | The number of corner points

    WSCpoint has member x,y
  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          WSCpoint pt[3];
          pt[0].x = 300;
          pt[0].y = 300;
          pt[1].x = 330;
          pt[1].y = 330;
          pt[2].x = 300;
          pt[2].y = 330;
          dev->setForeColor("#00ffff");
          dev->drawFillPoly(pt,3);

  ### drawGradation Function Description

  Form
    long drawGradation(long type,short col1,short col2, short col3,short x,short y,WSCushort w,WSCushort h, WSCuchar grad_margin);
  Function
    Draw a gradation rectangle
  Description
    Draw a gradation rectangle using three colors to transition from color 1 through color 2 to color 3
  Parameters

    (in)long type | Gradation kinds
    (in)short col1 | Color 1
    (in)short col2 | Color 2
    (in)short col3 | Color 3
    (in)short x | Coordinate X
    (in)short y | Coordinate Y
    (in)WSCushort w | Width
    (in)WSCushort h | Height
    (in)WSCuchar grad_margin | Color 2 width

    Specify a gradated rectangle region and width of two colors in dots as a margin of gradation. The following values are supported for gradation kinds

    Gradation kinds | Meaning
    WS_GR_LT_RB | Upper left to lower right
    WS_GR_RT_LB | Upper right to lower right
    WS_GR_LB_RT | Lower left to upper right
    WS_GR_RB_LT | Lower right to upper left
    WS_GR_T_B | Top to bottom
    WS_GR_B_T | Bottom to top
    WS_GR_L_R | Left to right
    WS_GR_R_L | Right to left

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          short cno1 = WSGIappColorSet()->getColorNo("#888888");
          short cno2 = WSGIappColorSet()->getColorNo("#aaaaaa");
          short cno3 = WSGIappColorSet()->getColorNo("#000000");
          dev->drawGradation(WS_GR_T_B,cno1,cno2,cno3,10,10,100,50,10);

  ### drawImage Function Description

  Form
    long drawImage(short x,short y,WSCushort w,WSCushort h, WSDimage* img,char align);
  Function
    Display an image
  Description
    Draw a specified image structure within a specified rectangle area
  Parameters

    (in)short x | X coordinate
    (in)short y | Y coordinate
    (in)WSCushort w | Width
    (in)WSCushort h | Height
    (in)WSDimage* img | Image to display
    (in)char align | Alignment

    The following alignment values are supported

    Attribute | Meaning
    WS_LEFT | Left adjust
    WS_RIGHT | Right adjust
    WS_CENTER | Center adjust
    WS_TOP | Top adjust
    WS_BOTTOM | Bottom adjust
    WS_LEFT_TOP | Upper left adjust
    WS_LEFT_BOTTOM | Lower left adjust
    WS_RIGHT_BOTTOM | Lower rihgt adjust
    WS_RIGHT_TOP | Upper right adjust

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          WSCimage* image = WSGIappImageSet()->getImage("001.jpg");
          dev->drawImage(10,10,100,100,image,WS_CENTER);

  ### drawStretchedImage Function Description

  Form
    long drawStretchedImage(short x,short y, WSCushort w,WSCushort h, WSDimage* img);
  Function
    Display a stretched image.
  Description
    Draw a specified stretched image structure within a specified rectangle area
  Parameters

    (in)short x | X coordinate
    (in)short x | Y coordinate
    (in)WSCushort w | Width
    (in)WSCushort h | Height
    (in)WSDimage* img | Image to display

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          WSCimage* image = WSGIappImageSet()->getImage("001.jpg");
          dev->drawStretchedImage(10,10,100,100,image);

  ### drawString Function Description

  Form
    long drawString(short x,short y,WSCushort w,WSCushort h, char font_no,char align,char* string, long encoding = WS_EN_DEFAULT);
  Function
    Display specified strings within a specified rectangle area
  Description
    Display specified strings following encoding within a specified rectangle area
  Parameters

    (in)short x | X coordinate
    (in)short x | Y coordinate
    (in)WSCushort w | Width
    (in)WSCushort h | Height
    (in)char font_no | Font number
    (in)char align | Alignment
    (in)char* string | Strings to display
    (in)long encoding | Strings' encoding

    Font number is a number starting from 0 The following alignment values are supported

    Attribute | Meaning
    WS_LEFT | Left adjust
    WS_RIGHT | Right adjust
    WS_CENTER | Center adjust
    WS_TOP | Top adjust
    WS_BOTTOM | Bottom adjust
    WS_LEFT_TOP | Upper left adjust
    WS_LEFT_BOTTOM | Lower left adjust
    WS_RIGHT_BOTTOM | Lower right adjust
    WS_RIGHT_TOP | Upper right adjust

    The following values are supported for encoding. Default value is WS_EN_DEFAULT

    Attribute | Meaning
    WS_EN_DEFAULT | Specify current settings (The default value)
    WS_EN_LOCALE | Specify current LANG environment variable setting
    WS_EN_NONE | Do not set
    WS_EN_ISO8859_1 | Specify ISO8859(1)
    WS_EN_ISO8859_2 | Specify ISO8859(2)
    WS_EN_ISO8859_3 | Specify ISO8859(3)
    WS_EN_ISO8859_4 | Specify ISO8859(4)
    WS_EN_ISO8859_5 | Specify ISO8859(5)
    WS_EN_ISO8859_6 | Specify ISO8859(6)
    WS_EN_ISO8859_7 | Specify ISO8859(7)
    WS_EN_ISO8859_8 | Specify ISO8859(8)
    WS_EN_ISO8859_9 | Specify ISO8859(9)
    WS_EN_ISO8859_10 | Specify ISO8859(10)
    WS_EN_ISO8859_11 | Specify ISO8859(11)
    WS_EN_ISO8859_12 | Specify ISO8859(12)
    WS_EN_ISO8859_13 | Specify ISO8859(13)
    WS_EN_ISO8859_14 | Specify ISO8859(14)
    WS_EN_ISO8859_15 | Specify ISO8859(15)
    WS_EN_UTF8 | Specify UTF8
    WS_EN_KOI8R | Specify KOI8R
    WS_EN_EUCJP | Specify EUCJP
    WS_EN_SJIS | Specify SJIS
    WS_EN_EUCKR | Specify EUCKR
    WS_EN_EUCCN | Specify EUCCN
    WS_EN_BIG5 | Specify BIG5

  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          //Draw a string..
          dev->drawString(100,300,100,30,0,WS_CENTER,"ABCDE1234");

  ### drawFillString Function Description

  Form
    long drawFillString(short x,short y,WSCushort w,WSCushort h, char font_no,char align,char* string, long encoding = WS_EN_DEFAULT);
  Function
    Display specified strings with background color within a rectangle area
  Description
    Display a specified string following encoding within a specified rectangle area
  Parameters

    (in)short x | X coordinate
    (in)short x | Y coordinate
    (in)WSCushort w | Width
    (in)WSCushort h | Height
    (in)char font_no | Font number
    (in)char align | Alignment
    (in)char* string | Strings to show
    (in)long encoding | Strings' encoding

    For argument details, please refer to drawString item.
  Return value
    WS_NO_ERR: Success, WS_ERR: Fail
  Notice
    None
  Samples

          //Draw a string with background.
          dev->drawFillString(100,300,100,30,0,WS_CENTER,"ABCDE1234");

  ### getDeviceResource Function Description

  Form
    long getDeviceResource()
  Function
    Obtain window system resources
  Description
  Parameters
    None
  Return value
    For X11, it returns Display*. For WIN32, it is not used.
  Notice
    None
  Samples

          //Display* for X11
          long val = dev->getDeviceResource();

  ### getWindowResource Function Description

  Form
    long getWindowResource()
  Function
    Obtain window resources
  Description
  Parameters
    None
  Return value
    For X11, it returns Window or Pixmap, for WIN32, HWND
  Notice
    None
  Samples

          //For X11, Window/Pixmap is returned; For WIN32, HWND is returned
          long val = dev->getWindowResource();

  ### getContextResource Function Description

  Form
    long getContextResource()
  Function
    Obtain context resources
  Description
  Parameters
    None
  Return value
    For X11, it returns GC. For WIN32, it returns HDC or MDC
  Notice
    None
  Samples

          //For X11, GC. For WIN32, HDC/MDC is returned
          long val = dev->getContextResource();

  ### getSpecialResource Function Description

  Form
    long getSpecialResource()
  Function
    Obtain window resources
  Description
  Parameters
    None
  Return value
    For X11, it returns Widget. For WIN32, it is not used.
  Notice
    None
  Samples

          //For X11, Widget is returned
          long val = dev->getSpecialResource();

  ### getReady Function Description

  Form
    long getReady()
  Function
    Check whether drawable or not
  Description
  Parameters
    None
  Return value
    True = Drawable, False = Undrawable
  Notice
    None
  Samples

          //Check whether drawable or not
          WSCbool ready = dev->getReady();

  Document Release 3.20
  For use with Wide Studio Release 3.20, Spring 2003

  Wide Studio Home | Up to

  Copyright(C) T. Hirabayashi, 1999-2003 |  | Last modified: February 3, 2003