53070ba725
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7284 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
221 lines
8.4 KiB
C++
221 lines
8.4 KiB
C++
/*
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* Fl_Device.H
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*
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*/
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#ifndef Fl_Device_H
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#define Fl_Device_H
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#include <FL/x.H>
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#include <FL/Fl_Plugin.H>
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#ifdef WIN32
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#include <Commdlg.h>
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#elif defined(__APPLE__)
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#else
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#include <stdio.h>
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#endif
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class Fl_Widget;
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class Fl_Image;
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class Fl_RGB_Image;
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class Fl_Pixmap;
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class Fl_Bitmap;
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class Fl_Display;
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class Fl_Virtual_Printer;
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extern Fl_Display *fl_display_device;
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typedef void (*Fl_Draw_Image_Cb)(void* ,int,int,int,uchar*);
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/**
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@brief A pure virtual class subclassed to send graphics output to display, local files, or printers.
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*/
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class Fl_Device {
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protected:
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int type_;
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uchar bg_r_, bg_g_, bg_b_; // color for background and/or mixing if particular device does not support masking and/or alpha
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friend void fl_rect(int x, int y, int w, int h);
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friend void fl_rectf(int x, int y, int w, int h);
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friend void fl_line_style(int style, int width, char* dashes);
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friend void fl_xyline(int x, int y, int x1);
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friend void fl_xyline(int x, int y, int x1, int y2);
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friend void fl_xyline(int x, int y, int x1, int y2, int x3);
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friend void fl_yxline(int x, int y, int y1);
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friend void fl_yxline(int x, int y, int y1, int x2);
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friend void fl_yxline(int x, int y, int y1, int x2, int y3);
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friend void fl_line(int x, int y, int x1, int y1);
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friend void fl_line(int x, int y, int x1, int y1, int x2, int y2);
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friend void fl_draw(const char *str, int n, int x, int y);
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friend void fl_draw(int angle, const char *str, int n, int x, int y);
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friend void fl_font(Fl_Font face, Fl_Fontsize size);
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friend void fl_color(Fl_Color c);
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friend void fl_color(uchar r, uchar g, uchar b);
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friend void fl_point(int x, int y);
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friend void fl_loop(int x0, int y0, int x1, int y1, int x2, int y2);
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friend void fl_loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
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friend void fl_polygon(int x0, int y0, int x1, int y1, int x2, int y2);
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friend void fl_polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
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friend void fl_concat();
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friend void fl_reconcat();
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friend void fl_begin_points();
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friend void fl_begin_line();
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friend void fl_begin_loop();
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friend void fl_begin_polygon();
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friend void fl_vertex(double x, double y);
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friend void fl_curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3);
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friend void fl_circle(double x, double y, double r);
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friend void fl_arc(double x, double y, double r, double start, double a);
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friend void fl_arc(int x, int y, int w, int h, double a1, double a2);
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friend void fl_pie(int x, int y, int w, int h, double a1, double a2);
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friend void fl_end_points();
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friend void fl_end_line();
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friend void fl_end_loop();
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friend void fl_end_polygon();
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friend void fl_transformed_vertex(double x, double y);
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friend void fl_push_clip(int x, int y, int w, int h);
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friend int fl_clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H);
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friend int fl_not_clipped(int x, int y, int w, int h);
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friend void fl_push_no_clip();
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friend void fl_pop_clip();
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friend void fl_begin_complex_polygon();
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friend void fl_gap();
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friend void fl_end_complex_polygon();
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friend void fl_draw_image(const uchar*, int,int,int,int, int delta, int ldelta);
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friend void fl_draw_image_mono(const uchar*, int,int,int,int, int delta, int ld);
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friend void fl_draw_image(Fl_Draw_Image_Cb, void*, int,int,int,int, int delta);
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friend void fl_draw_image_mono(Fl_Draw_Image_Cb, void*, int,int,int,int, int delta);
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virtual void rect(int x, int y, int w, int h);
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virtual void rectf(int x, int y, int w, int h);
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virtual void line_style(int style, int width=0, char* dashes=0);
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virtual void xyline(int x, int y, int x1);
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virtual void xyline(int x, int y, int x1, int y2);
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virtual void xyline(int x, int y, int x1, int y2, int x3);
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virtual void yxline(int x, int y, int y1);
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virtual void yxline(int x, int y, int y1, int x2);
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virtual void yxline(int x, int y, int y1, int x2, int y3);
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virtual void line(int x, int y, int x1, int y1);
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virtual void line(int x, int y, int x1, int y1, int x2, int y2);
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virtual void draw(const char *str, int n, int x, int y);
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virtual void draw(int angle, const char *str, int n, int x, int y);
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virtual void font(Fl_Font face, Fl_Fontsize size);
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virtual void color(Fl_Color c);
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virtual void color(uchar r, uchar g, uchar b);
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virtual void point(int x, int y);
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virtual void loop(int x0, int y0, int x1, int y1, int x2, int y2);
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virtual void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
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virtual void polygon(int x0, int y0, int x1, int y1, int x2, int y2);
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virtual void polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
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virtual void begin_points();
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virtual void begin_line();
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virtual void begin_loop();
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virtual void begin_polygon();
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virtual void vertex(double x, double y);
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virtual void curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3);
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virtual void circle(double x, double y, double r);
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virtual void arc(double x, double y, double r, double start, double a);
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virtual void arc(int x, int y, int w, int h, double a1, double a2);
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virtual void pie(int x, int y, int w, int h, double a1, double a2);
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virtual void end_points();
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virtual void end_line();
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virtual void end_loop();
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virtual void end_polygon();
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virtual void begin_complex_polygon();
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virtual void gap();
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virtual void end_complex_polygon();
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virtual void transformed_vertex(double x, double y);
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virtual void push_clip(int x, int y, int w, int h);
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virtual int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H);
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virtual int not_clipped(int x, int y, int w, int h);
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virtual void push_no_clip();
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virtual void pop_clip();
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// Images
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virtual void draw_image(const uchar*, int,int,int,int, int delta=3, int ldelta=0);
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virtual void draw_image_mono(const uchar*, int,int,int,int, int delta=1, int ld=0);
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virtual void draw_image(Fl_Draw_Image_Cb, void*, int,int,int,int, int delta=3);
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virtual void draw_image_mono(Fl_Draw_Image_Cb, void*, int,int,int,int, int delta=1);
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// Image classes
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virtual void draw(Fl_Pixmap * pxm,int XP, int YP, int WP, int HP, int cx, int cy);
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virtual void draw(Fl_RGB_Image * rgb,int XP, int YP, int WP, int HP, int cx, int cy);
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virtual void draw(Fl_Bitmap * bmp,int XP, int YP, int WP, int HP, int cx, int cy);
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public:
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enum device_types {
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xlib_display = 0, quartz_display, gdi_display,
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gdi_printer = 256, quartz_printer, postscript_device
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};
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/**
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@brief An RTTI emulation of device classes. It returns values < 256 if it is a screen device
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*/
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int type() {return type_;};
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/**
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@brief Sets this device (display, local file, printer) as the target of future graphics calls.
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*
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@return The current target device of graphics calls.
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*/
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virtual Fl_Device *set_current();
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virtual ~Fl_Device() {};
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/**
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@brief Returns the current target device of graphics calls.
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*/
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static Fl_Device *current();
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/**
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@brief Returns the platform's display device.
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*/
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static Fl_Display *display_device() { return fl_display_device; };
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};
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extern Fl_Device *fl_device;
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/**
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@brief A virtual class subclassed for OS-specific display graphics.
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*/
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class Fl_Display : public Fl_Device {
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friend class Fl_PSfile_Device; //RK: temporary hack for font sizes
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};
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#if defined(__APPLE__) || defined(FL_DOXYGEN)
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/**
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@brief The Mac OS X-specific display graphics class.
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*/
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class Fl_Quartz_Display : public Fl_Display {
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public:
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Fl_Quartz_Display() { type_ = quartz_display; };
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};
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#endif
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#if defined(WIN32) || defined(FL_DOXYGEN)
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/**
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@brief The MSWindows-specific display graphics class.
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*/
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class Fl_GDI_Display : public Fl_Display {
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public:
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Fl_GDI_Display() { type_ = gdi_display; };
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};
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#endif
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#if !( defined(__APPLE__) || defined(WIN32)) || defined(FL_DOXYGEN)
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/**
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@brief The X11-specific display graphics class.
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*/
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class Fl_Xlib_Display : public Fl_Display {
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public:
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Fl_Xlib_Display() { type_ = xlib_display; };
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};
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#endif
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/**
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This plugin socket allows the integration of new device drivers for special
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window or screen types. It is currently used to provide an automated printing
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service for OpenGL windows, if linked with fltk_gl.
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*/
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class Fl_Device_Plugin : public Fl_Plugin {
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public:
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Fl_Device_Plugin(const char *name)
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: Fl_Plugin(klass(), name) { }
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virtual const char *klass() { return "fltk:device"; }
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virtual const char *name() = 0;
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virtual int print(Fl_Virtual_Printer*, Fl_Widget*, int x, int y) { return 0; }
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};
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#endif // Fl_Device_H
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