// // "$Id$" // // Support for graphics output to PostScript file for the Fast Light Tool Kit (FLTK). // // Copyright 2010 by Bill Spitzak and others. // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Library General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Library General Public License for more details. // // You should have received a copy of the GNU Library General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 // USA. // // Please report all bugs and problems on the following page: // // http://www.fltk.org/str.php // /** \file Fl_PostScript.H \brief declaration of classes Fl_PostScript_Graphics_Driver, Fl_PostScript_File_Device. */ #ifndef Fl_PostScript_H #define Fl_PostScript_H #include #include #define NO_PAGE_FORMATS 30 /* MSVC6 compilation fix */ /** \brief PostScript graphical backend. * PostScript text output is presently implemented only for the latin character set. FLTK's standard fonts are output using PostScript's standard fonts: Helvetica, Courier, Times (and their bold, oblique, italic variants), Symbol, ZapfDingbats. */ class Fl_PostScript_Graphics_Driver : public Fl_Graphics_Driver { public: static const char *device_type; /** \brief Possible page formats. */ enum Page_Format { A0 = 0, A1, A2, A3, A4, A5, A6, A7, A8, A9, B0, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10, C5E, DLE, EXECUTIVE, FOLIO, LEDGER, LEGAL, LETTER, TABLOID, ENVELOPE, MEDIA = 0x1000 }; /** \brief Possible page layouts. */ enum Page_Layout {PORTRAIT = 0, LANDSCAPE = 0x100, REVERSED = 0x200, ORIENTATION = 0x300}; #ifndef FL_DOXYGEN public: enum SHAPE{NONE=0, LINE, LOOP, POLYGON, POINTS}; typedef struct page_format { int width; int height; const char *name; } page_format; class Clip { public: int x, y, w, h; Clip *prev; }; Clip * clip_; int lang_level_; int font_; int size_; Fl_Color color_; int gap_; int pages_; double width_; double height_; int shape_; int linewidth_;// need for clipping, lang level 1-2 int linestyle_;// int interpolate_; //interpolation of images unsigned char cr_,cg_,cb_; char linedash_[256];//should be enough void concat(); // transform ror scalable dradings... void reconcat(); //invert void recover(); //recovers the state after grestore (such as line styles...) void reset(); uchar * mask; int mx; // width of mask; int my; // mask lines //Fl_Color bg_; int (*close_cmd_)(FILE *); int page_policy_; int nPages; int orientation_; float scale_x; float scale_y; float angle; int left_margin; int top_margin; FILE *output; double pw_, ph_; static const page_format page_formats[NO_PAGE_FORMATS]; uchar bg_r, bg_g, bg_b; int start_postscript (int pagecount, enum Page_Format format, enum Page_Layout layout); /* int alpha_mask(const uchar * data, int w, int h, int D, int LD=0); */ void draw(const char* s, int n, int x, int y) {transformed_draw(s,n,x,y); }; void draw(int angle, const char *str, int n, int x, int y); void transformed_draw(const char* s, int n, double x, double y); //precise text placing void transformed_draw(const char* s, double x, double y); int alpha_mask(const uchar * data, int w, int h, int D, int LD=0); void draw_scaled_image(const uchar *data, double x, double y, double w, double h, int iw, int ih, int D=3, int LD=0); void draw_scaled_image_mono(const uchar *data, double x, double y, double w, double h, int iw, int ih, int D=3, int LD=0); void draw_scaled_image(Fl_Draw_Image_Cb call, void *data, double x, double y, double w, double h, int iw, int ih, int D); void draw_scaled_image_mono(Fl_Draw_Image_Cb call, void *data, double x, double y, double w, double h, int iw, int ih, int D); enum Page_Format page_format_; char *ps_filename_; // implementation of drawing methods void color(Fl_Color c); //void bg_color(Fl_Color bg); void color(uchar r, uchar g, uchar b); Fl_Color color(){return color_;}; 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 line_style(int style, int width=0, char* dashes=0); void rect(int x, int y, int w, int h); void rectf(int x, int y, int w, int h); 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 line(int x1, int y1, int x2, int y2); void line(int x1, int y1, int x2, int y2, int x3, 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); void point(int x, int y); void begin_points(); void begin_line(); void begin_loop(); void begin_polygon(); void vertex(double x, double y); void curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3); void circle(double x, double y, double r); void arc(double x, double y, double r, double start, double a); 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); void end_points(); void end_line(); void end_loop(); void end_polygon(); void begin_complex_polygon(){begin_polygon();}; void gap(){gap_=1;}; void end_complex_polygon(){end_polygon();}; void transformed_vertex(double x, double y); void font(int face, int size); int font(){return font_;}; int size(){return size_;}; double width(unsigned c); double width(const char* s, int n); int descent(); int height(); void draw_image(const uchar* d, int x,int y,int w,int h, int delta=3, int ldelta=0){draw_scaled_image(d,x,y,w,h,w,h,delta,ldelta);}; void draw_image_mono(const uchar* d, int x,int y,int w,int h, int delta=1, int ld=0){draw_scaled_image_mono(d,x,y,w,h,w,h,delta,ld);}; void draw_image(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=3){draw_scaled_image(call,data, x, y, w, h, w, h, delta);}; void draw_image_mono(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=1){draw_scaled_image_mono(call, data, x, y, w, h, w, h, delta);}; void draw(Fl_Pixmap * pxm,int XP, int YP, int WP, int HP, int cx, int cy); void draw(Fl_RGB_Image * rgb,int XP, int YP, int WP, int HP, int cx, int cy); void draw(Fl_Bitmap * bitmap,int XP, int YP, int WP, int HP, int cx, int cy); public: void page_policy(int p); int page_policy(){return page_policy_;}; void close_command( int (*cmd)(FILE *)){close_cmd_=cmd;}; FILE * file() {return output;}; //void orientation (int o); //Fl_PostScript_Graphics_Driver(FILE *o, int lang_level, int pages = 0); // ps (also multi-page) constructor //Fl_PostScript_Graphics_Driver(FILE *o, int lang_level, int x, int y, int w, int h); //eps constructor void interpolate(int i){interpolate_=i;}; int interpolate(){return interpolate_;} void page(double pw, double ph, int media = 0); void page(int format); void place(double x, double y, double tx, double ty, double scale = 1); #endif // FL_DOXYGEN Fl_PostScript_Graphics_Driver(); ~Fl_PostScript_Graphics_Driver(); }; /** \brief To send graphical output to a PostScript file. */ class Fl_PostScript_File_Device : public Fl_Paged_Device { #ifdef __APPLE__ CGContextRef gc; #endif protected: Fl_PostScript_Graphics_Driver *driver(); public: static const char *device_type; Fl_PostScript_File_Device(); ~Fl_PostScript_File_Device(); int start_job(int pagecount, enum Fl_PostScript_Graphics_Driver::Page_Format format = Fl_PostScript_Graphics_Driver::A4, enum Fl_PostScript_Graphics_Driver::Page_Layout layout = Fl_PostScript_Graphics_Driver::PORTRAIT); int start_job(FILE *ps_output, int pagecount, enum Fl_PostScript_Graphics_Driver::Page_Format format = Fl_PostScript_Graphics_Driver::A4, enum Fl_PostScript_Graphics_Driver::Page_Layout layout = Fl_PostScript_Graphics_Driver::PORTRAIT); int start_page (void); int printable_rect(int *w, int *h); void margins(int *left, int *top, int *right, int *bottom); void origin(int x, int y); void scale (float scale_x, float scale_y); void rotate(float angle); void translate(int x, int y); void untranslate(void); int end_page (void); void end_job(void); #ifdef __APPLE__ void set_current() { fl_gc = gc; Fl_Paged_Device::set_current(); } #endif static const char *file_chooser_title; }; #endif // Fl_PostScript_H // // End of "$Id$" //