Created FL/Fl_PSfile_Device.H to reduce size of FL/Fl_Printer.H

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7306 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 293 insertions, 0 deletions

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+//
+// "$Id:$"
+//
+// 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
+//
+
+#include <FL/Fl_Printer.H>
+
+#ifndef Fl_PSfile_Device_H
+#define Fl_PSfile_Device_H
+
+/**
+ \brief Sends all graphics to a local PostScript file; same API as Fl_Printer class.
+ *
+ This class has the same API as class Fl_Printer except for start_job() member function.
+ \see class Fl_Printer.
+ */
+class Fl_PSfile_Device : public  Fl_Abstract_Printer {
+  public: 
+    /**
+     @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
+  private:
+    enum SHAPE{NONE=0, LINE, LOOP, POLYGON, POINTS};
+    
+    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 enought
+    void concat();  // transform ror scalable dradings...
+    void reconcat(); //invert
+    void recover(); //recovers the state afrer 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;
+    
+  protected:
+    struct page_format {
+      int width;
+      int height;
+      const char *name;
+    };
+    
+    FILE *output;
+    double pw_, ph_;
+    static const int NO_PAGE_FORMATS=30;
+    static const struct 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_PSfile_Device(FILE *o, int lang_level, int pages = 0); // ps (also multi-page) constructor
+    //Fl_PSfile_Device(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);
+    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);
+    
+#endif // FL_DOXYGEN
+    
+  /**
+   @brief The constructor.
+   */
+  Fl_PSfile_Device(void);
+  
+  /**
+   @brief Begins the session where all graphics will go to a local PostScript file.
+   *
+   Opens a file dialog to select an output PostScript file.
+   @param pagecount The total number of pages to be created.
+   @param format Desired page format.
+   @param layout Desired page layout.
+   @return 0 iff OK
+   */
+  int start_job(int pagecount, enum Page_Format format = A4, enum Page_Layout layout = PORTRAIT);
+  
+  /**
+   @brief Begins the session where all graphics will go to named PostScript file.
+   *
+   @param fname The name of the output local PostScript file.
+   @param pagecount The total number of pages to be created.
+   @param format Desired page format.
+   @param layout Desired page layout.
+   @return 0 iff OK
+   */
+  int start_job(const char *fname, int pagecount, enum Page_Format format = A4, enum Page_Layout layout = PORTRAIT);
+  
+  /**
+   @brief The destructor.
+   */
+  virtual ~Fl_PSfile_Device();
+};
+
+#endif // Fl_PSfile_Device_H
+
+//
+// End of "$Id:$"
+//