Graphics Library Routines Summary

The following table lists library routines for graphics.

Programs that use these routines must access the appropriate library with USE IFQWIN. These routines are restricted to Windows* systems.

Name	Routine Type	Description
ARC, ARC_W	Functions	Draws an arc.
CLEARSCREEN	Subroutine	Clears the screen, viewport, or text window.
DISPLAYCURSOR	Function	Turns the cursor off and on.
ELLIPSE, ELLIPSE_W	Functions	Draws an ellipse or circle.
FLOODFILL, FLOODFILL_W	Functions	Fills an enclosed area of the screen with the current color index, using the current fill mask.
FLOODFILLRGB, FLOODFILLRGB_W	Functions	Fills an enclosed area of the screen with the current RGB color, using the current fill mask.
GETARCINFO	Function	Determines the end points of the most recently drawn arc or pie.
GETBKCOLOR	Function	Returns the current background color index.
GETBKCOLORRGB	Function	Returns the current background RGB color.
GETCOLOR	Function	Returns the current color index.
GETCOLORRGB	Function	Returns the current RGB color.
GETCURRENTPOSITION, GETCURRENTPOSITION_W	Subroutines	Returns the coordinates of the current graphics-output position.
GETFILLMASK	Subroutine	Returns the current fill mask.
GETFONTINFO	Function	Returns the current font characteristics.
GETGTEXTEXTENT	Function	Determines the width of the specified text in the current font.
GETGTEXTROTATION	Function	Get the current text rotation angle.
GETIMAGE, GETIMAGE_W	Subroutines	Stores a screen image in memory.
GETLINESTYLE	Function	Returns the current line style.
GETLINEWIDTHQQ	Function	Returns the current line width or the line width set by the last call to SETLINEWIDTHQQ.
GETPHYSCOORD	Subroutine	Converts viewport coordinates to physical coordinates.
GETPIXEL, GETPIXEL_W	Functions	Returns a pixel's color index.
GETPIXELRGB, GETPIXELRGB_W	Functions	Returns a pixel's RGB color.
GETPIXELS	Function	Returns the color indices of multiple pixels.
GETPIXELSRGB	Function	Returns the RGB colors of multiple pixels.
GETTEXTCOLOR	Function	Returns the current text color index.
GETTEXTCOLORRGB	Function	Returns the current text RGB color.
GETTEXTPOSITION	Subroutine	Returns the current text-output position.
GETTEXTWINDOW	Subroutine	Returns the boundaries of the current text window.
GETVIEWCOORD, GETVIEWCOORD_W	Subroutines	Converts physical or window coordinates to viewport coordinates.
GETWINDOWCOORD	Subroutine	Converts viewport coordinates to window coordinates.
GETWRITEMODE	Function	Returns the logical write mode for lines.
GRSTATUS	Function	Returns the status (success or failure) of the most recently called graphics routine.
IMAGESIZE, IMAGESIZE_W	Functions	Returns image size in bytes.
INITIALIZEFONTS	Function	Initializes the font library.
LINETO, LINETO_W	Functions	Draws a line from the current position to a specified point.
LINETOAR	Function	Draws a line between points in one array and corresponding points in another array.
LINETOAREX	Function	Similar to LINETOAR, but also lets you specify color and line style.
LOADIMAGE, LOADIMAGE_W	Functions	Reads a Windows bitmap file (.BMP) and displays it at the specified location.
MOVETO, MOVETO_W	Subroutines	Moves the current position to the specified point.
OUTGTEXT	Subroutine	Sends text in the current font to the screen at the current position.
OUTTEXT	Subroutine	Sends text to the screen at the current position.
PIE, PIE_W	Functions	Draws a pie slice.
POLYBEZIER, POLYBEZIER_W	Functions	Draws one or more Bezier curves.
POLYBEZIERTO, POLYBEZIERTO_W	Functions	Draws one or more Bezier curves.
POLYGON, POLYGON_W	Functions	Draws a polygon.
POLYLINEQQ	Function	Draws a line between successive points in an array.
PUTIMAGE, PUTIMAGE_W	Subroutines	Retrieves an image from memory and displays it.
RECTANGLE, RECTANGLE_W	Functions	Draws a rectangle.
REMAPALLPALETTERGB	Function	Remaps a set of RGB color values to indices recognized by the current video configuration.
REMAPPALETTERGB	Function	Remaps a single RGB color value to a color index.
SAVEIMAGE, SAVEIMAGE_W	Functions	Captures a screen image and saves it as a Windows bitmap file.
SCROLLTEXTWINDOW	Subroutine	Scrolls the contents of a text window.
SETBKCOLOR	Function	Sets the current background color.
SETBKCOLORRGB	Function	Sets the current background color to a direct color value rather than an index to a defined palette.
SETCLIPRGN	Subroutine	Limits graphics output to a part of the screen.
SETCOLOR	Function	Sets the current color to a new color index.
SETCOLORRGB	Function	Sets the current color to a direct color value rather than an index to a defined palette.
SETFILLMASK	Subroutine	Changes the current fill mask to a new pattern.
SETFONT	Function	Finds a single font matching the specified characteristics and assigns it to OUTGTEXT.
SETGTEXTROTATION	Subroutine	Sets the direction in which text is written to the specified angle.
SETLINESTYLE	Subroutine	Changes the current line style.
SETLINEWIDTHQQ	Subroutine	Sets the width of a solid line drawn using any of the supported graphics functions.
SETPIXEL, SETPIXEL_W	Functions	Sets color of a pixel at a specified location.
SETPIXELRGB, SETPIXELRGB_W	Functions	Sets RGB color of a pixel at a specified location.
SETPIXELS	Subroutine	Sets the color indices of multiple pixels.
SETPIXELSRGB	Subroutine	Sets the RGB color of multiple pixels.
SETTEXTCOLOR	Function	Sets the current text color to a new color index.
SETTEXTCOLORRGB	Function	Sets the current text color to a direct color value rather than an index to a defined palette.
SETTEXTCURSOR	Function	Sets the height and width of the text cursor for the window in focus.
SETTEXTPOSITION	Subroutine	Changes the current text position.
SETTEXTWINDOW	Subroutine	Sets the current text display window.
SETVIEWORG	Subroutine	Positions the viewport coordinate origin.
SETVIEWPORT	Subroutine	Defines the size and screen position of the viewport.
SETWINDOW	Function	Defines the window coordinate system.
SETWRITEMODE	Function	Changes the current logical write mode for lines.
WRAPON	Function	Turns line wrapping on or off.