FLTK 1.3.8
Fl_Device.H File Reference

declaration of classes Fl_Device, Fl_Graphics_Driver, Fl_Surface_Device, Fl_Display_Device, Fl_Device_Plugin. More...

#include <FL/x.H>
#include <FL/Fl_Plugin.H>
#include <FL/Fl_Image.H>
#include <FL/Fl_Bitmap.H>
#include <FL/Fl_Pixmap.H>
#include <FL/Fl_RGB_Image.H>
#include <stdlib.h>

Go to the source code of this file.


class  Fl_Device
 All graphical output devices and all graphics systems. More...
class  Fl_Device_Plugin
 This plugin socket allows the integration of new device drivers for special window or screen types. More...
class  Fl_Display_Device
 A display to which the computer can draw. More...
class  Fl_GDI_Graphics_Driver
 The MSWindows-specific graphics class. More...
class  Fl_GDI_Printer_Graphics_Driver
 The graphics driver used when printing on MSWindows. More...
class  Fl_Graphics_Driver
 A virtual class subclassed for each graphics driver FLTK uses. More...
class  Fl_Quartz_Graphics_Driver
 The Mac OS X-specific graphics class. More...
class  Fl_Surface_Device
 A drawing surface that's susceptible to receive graphical output. More...
class  Fl_Xlib_Graphics_Driver
 The Xlib-specific graphics class. More...
struct  Fl_Graphics_Driver::matrix
 A 2D coordinate transformation matrix. More...


#define XPOINT   XPoint


typedef short COORD_T
typedef void(* Fl_Draw_Image_Cb) (void *data, int x, int y, int w, uchar *buf)
 signature of image generation callback function. More...


FL_EXPORT Fl_Graphics_Driverfl_graphics_driver
 Points to the driver that currently receives all graphics requests.

Detailed Description

Typedef Documentation

◆ Fl_Draw_Image_Cb

typedef void(* Fl_Draw_Image_Cb) (void *data, int x, int y, int w, uchar *buf)

signature of image generation callback function.

[in]datauser data passed to function
[in]x,y,wposition and width of scan line in image
[out]bufbuffer for generated image data. You must copy w pixels from scanline y, starting at pixel x to this buffer.