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//
// "$Id$"
//
// Definition of classes Fl_Graphics_Driver, Fl_Surface_Device, Fl_Display_Device
// for the Fast Light Tool Kit (FLTK).
//
// Copyright 2010-2016 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
/**
\file Fl_Xlib_Graphics_Driver.H
\brief Definition of X11 Xlib graphics driver.
*/
#ifndef FL_CFG_GFX_XLIB_H
#define FL_CFG_GFX_XLIB_H
#include <config.h>
#include <FL/Fl_Graphics_Driver.H>
#include <FL/x.H>
#if HAVE_X11_XREGION_H
# include <X11/Xregion.h>
#else // if the X11/Xregion.h header is not available, we assume this is the layout of an X11 Region:
typedef struct {
short x1, x2, y1, y2;
} BOX;
struct _XRegion {
long size;
long numRects;
BOX *rects;
BOX extents;
};
#endif // HAVE_X11_XREGION_H
/**
\brief The Xlib-specific graphics class.
*
This class is implemented only on the Xlib platform.
*/
class FL_EXPORT Fl_Xlib_Graphics_Driver : public Fl_Graphics_Driver {
protected:
static GC gc_;
uchar **mask_bitmap_;
uchar **mask_bitmap() {return mask_bitmap_;}
void mask_bitmap(uchar **value) { mask_bitmap_ = value; }
int p_size;
typedef struct {short x, y;} XPOINT;
XPOINT *p;
public:
Fl_Xlib_Graphics_Driver(void);
virtual ~Fl_Xlib_Graphics_Driver() { if (p) free(p); }
virtual int has_feature(driver_feature mask) { return mask & NATIVE; }
virtual void *gc() { return gc_; }
virtual void gc(void *value);
char can_do_alpha_blending();
#if USE_XFT
static void destroy_xft_draw(Window id);
#endif
// --- bitmap stuff
Fl_Bitmask create_bitmask(int w, int h, const uchar *array);
void delete_bitmask(Fl_Bitmask bm);
void draw(const char* str, int n, int x, int y);
void draw(int angle, const char *str, int n, int x, int y);
void rtl_draw(const char* str, int n, int x, int y);
void font(Fl_Font face, Fl_Fontsize size);
void draw(Fl_Pixmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy);
void draw(Fl_Bitmap *pxm, int XP, int YP, int WP, int HP, int cx, int cy);
void draw(Fl_RGB_Image *img, int XP, int YP, int WP, int HP, int cx, int cy);
void draw_image(const uchar* buf, int X,int Y,int W,int H, int D=3, int L=0);
void draw_image(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=3);
void draw_image_mono(const uchar* buf, int X,int Y,int W,int H, int D=1, int L=0);
void draw_image_mono(Fl_Draw_Image_Cb cb, void* data, int X,int Y,int W,int H, int D=1);
fl_uintptr_t cache(Fl_Pixmap *img, int w, int h, const char *const*array);
fl_uintptr_t cache(Fl_Bitmap *img, int w, int h, const uchar *array);
void uncache(Fl_RGB_Image *img, fl_uintptr_t &id_, fl_uintptr_t &mask_);
double width(const char *str, int n);
double width(unsigned int c);
void text_extents(const char*, int n, int& dx, int& dy, int& w, int& h);
int height();
int descent();
void copy_offscreen(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy);
#if ! defined(FL_DOXYGEN)
void copy_offscreen_with_alpha(int x, int y, int w, int h, Fl_Offscreen pixmap, int srcx, int srcy);
#endif
void add_rectangle_to_region(Fl_Region r, int x, int y, int w, int h);
Fl_Region XRectangleRegion(int x, int y, int w, int h);
void XDestroyRegion(Fl_Region r);
protected:
void transformed_vertex0(short x, short y);
void fixloop();
// --- implementation is in src/fl_rect.cxx which includes src/cfg_gfx/xlib_rect.cxx
void point(int x, int y);
void rect(int x, int y, int w, int h);
void rectf(int x, int y, int w, int h);
void line(int x, int y, int x1, int y1);
void line(int x, int y, int x1, int y1, int x2, int y2);
void xyline(int x, int y, int x1);
void xyline(int x, int y, int x1, int y2);
void xyline(int x, int y, int x1, int y2, int x3);
void yxline(int x, int y, int y1);
void yxline(int x, int y, int y1, int x2);
void yxline(int x, int y, int y1, int x2, int y3);
void loop(int x0, int y0, int x1, int y1, int x2, int y2);
void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
void polygon(int x0, int y0, int x1, int y1, int x2, int y2);
void polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
// --- clipping
void push_clip(int x, int y, int w, int h);
int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H);
int not_clipped(int x, int y, int w, int h);
void push_no_clip();
void pop_clip();
void restore_clip();
// --- implementation is in src/fl_vertex.cxx which includes src/cfg_gfx/xxx_rect.cxx
void begin_complex_polygon();
void transformed_vertex(double xf, double yf);
void vertex(double x, double y);
void end_points();
void end_line();
void end_loop();
void end_polygon();
void end_complex_polygon();
void gap();
void circle(double x, double y, double r);
// --- implementation is in src/fl_arc.cxx which includes src/cfg_gfx/xxx_arc.cxx if needed
// using void Fl_Graphics_Driver::arc(double x, double y, double r, double start, double end);
// --- implementation is in src/fl_arci.cxx which includes src/cfg_gfx/xxx_arci.cxx
void arc(int x, int y, int w, int h, double a1, double a2);
void pie(int x, int y, int w, int h, double a1, double a2);
// --- implementation is in src/fl_line_style.cxx which includes src/cfg_gfx/xxx_line_style.cxx
void line_style(int style, int width=0, char* dashes=0);
// --- implementation is in src/fl_color.cxx which includes src/cfg_gfx/xxx_color.cxx
void color(Fl_Color c);
void set_color(Fl_Color i, unsigned int c);
void free_color(Fl_Color i, int overlay);
Fl_Color color() { return color_; }
void color(uchar r, uchar g, uchar b);
virtual float scale_font_for_PostScript(Fl_Font_Descriptor *desc, int s);
virtual float scale_bitmap_for_PostScript();
virtual void set_spot(int font, int size, int X, int Y, int W, int H, Fl_Window *win);
virtual void reset_spot();
virtual const char* get_font_name(Fl_Font fnum, int* ap);
virtual int get_font_sizes(Fl_Font fnum, int*& sizep);
virtual unsigned font_desc_size();
virtual const char *font_name(int num);
virtual void font_name(int num, const char *name);
virtual Fl_Font set_fonts(const char* xstarname);
};
#endif // FL_CFG_GFX_XLIB_H
//
// End of "$Id$".
//
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