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FLTK 1.3.3
Fl_PostScript.H
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1 //
2 // "$Id: Fl_PostScript.H 10308 2014-09-13 17:51:20Z manolo $"
3 //
4 // Support for graphics output to PostScript file for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 2010-2011 by Bill Spitzak and others.
7 //
8 // This library is free software. Distribution and use rights are outlined in
9 // the file "COPYING" which should have been included with this file. If this
10 // file is missing or damaged, see the license at:
11 //
12 // http://www.fltk.org/COPYING.php
13 //
14 // Please report all bugs and problems on the following page:
15 //
16 // http://www.fltk.org/str.php
17 //
18 
23 #ifndef Fl_PostScript_H
24 #define Fl_PostScript_H
25 
26 #include <FL/Fl_Paged_Device.H>
27 #include <FL/fl_draw.H>
28 #include <stdarg.h>
29 
58 extern "C" {
59  typedef int (Fl_PostScript_Close_Command)(FILE *);
60 }
61 
63 public:
64  static const char *class_id;
65  const char *class_name() {return class_id;};
67 #ifndef FL_DOXYGEN
68  enum SHAPE{NONE=0, LINE, LOOP, POLYGON, POINTS};
69 
70 class Clip {
71  public:
72  int x, y, w, h;
73  Clip *prev;
74  };
75  Clip * clip_;
76 
77  int lang_level_;
78  int gap_;
79  int pages_;
80 
81  double width_;
82  double height_;
83 
84  int shape_;
85  int linewidth_;// need for clipping, lang level 1-2
86  int linestyle_;//
87  int interpolate_; //interpolation of images
88  unsigned char cr_,cg_,cb_;
89  char linedash_[256];//should be enough
90  void concat(); // transform ror scalable dradings...
91  void reconcat(); //invert
92  void recover(); //recovers the state after grestore (such as line styles...)
93  void reset();
94 
95  uchar * mask;
96  int mx; // width of mask;
97  int my; // mask lines
98  //Fl_Color bg_;
99  Fl_PostScript_Close_Command* close_cmd_;
100  int page_policy_;
101  int nPages;
102  int orientation_;
103 
104  float scale_x;
105  float scale_y;
106  float angle;
107  int left_margin;
108  int top_margin;
109 
110  FILE *output;
111  double pw_, ph_;
112 
113  uchar bg_r, bg_g, bg_b;
114  int start_postscript (int pagecount, enum Fl_Paged_Device::Page_Format format, enum Fl_Paged_Device::Page_Layout layout);
115  /* int alpha_mask(const uchar * data, int w, int h, int D, int LD=0);
116  */
117  void transformed_draw(const char* s, int n, double x, double y); //precise text placing
118  void transformed_draw(const char* s, double x, double y);
119  int alpha_mask(const uchar * data, int w, int h, int D, int LD=0);
120 
121  enum Fl_Paged_Device::Page_Format page_format_;
122  char *ps_filename_;
123 
124  void page_policy(int p);
125  int page_policy(){return page_policy_;};
126  void close_command(Fl_PostScript_Close_Command* cmd){close_cmd_=cmd;};
127  FILE * file() {return output;};
128  //void orientation (int o);
129  //Fl_PostScript_Graphics_Driver(FILE *o, int lang_level, int pages = 0); // ps (also multi-page) constructor
130  //Fl_PostScript_Graphics_Driver(FILE *o, int lang_level, int x, int y, int w, int h); //eps constructor
131  void interpolate(int i){interpolate_=i;};
132  int interpolate(){return interpolate_;}
133 
134  void page(double pw, double ph, int media = 0);
135  void page(int format);
136 #endif // FL_DOXYGEN
137 
138  // implementation of drawing methods
139  void color(Fl_Color c);
140  void color(uchar r, uchar g, uchar b);
141 
142  void push_clip(int x, int y, int w, int h);
143  int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H);
144  int not_clipped(int x, int y, int w, int h);
145  void push_no_clip();
146  void pop_clip();
147 
148  void line_style(int style, int width=0, char* dashes=0);
149 
150  void rect(int x, int y, int w, int h);
151  void rectf(int x, int y, int w, int h);
152 
153  void xyline(int x, int y, int x1);
154  void xyline(int x, int y, int x1, int y2);
155  void xyline(int x, int y, int x1, int y2, int x3);
156 
157  void yxline(int x, int y, int y1);
158  void yxline(int x, int y, int y1, int x2);
159  void yxline(int x, int y, int y1, int x2, int y3);
160 
161  void line(int x1, int y1, int x2, int y2);
162  void line(int x1, int y1, int x2, int y2, int x3, int y3);
163 
164  void loop(int x0, int y0, int x1, int y1, int x2, int y2);
165  void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
166  void polygon(int x0, int y0, int x1, int y1, int x2, int y2);
167  void polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
168  void point(int x, int y);
169 
170  void begin_points();
171  void begin_line();
172  void begin_loop();
173  void begin_polygon();
174  void vertex(double x, double y);
175  void curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3);
176  void circle(double x, double y, double r);
177  void arc(double x, double y, double r, double start, double a);
178  void arc(int x, int y, int w, int h, double a1, double a2);
179  void pie(int x, int y, int w, int h, double a1, double a2);
180  void end_points();
181  void end_line();
182  void end_loop();
183  void end_polygon();
185  void gap(){gap_=1;};
187  void transformed_vertex(double x, double y);
188 
189  void draw_image(const uchar* d, int x,int y,int w,int h, int delta=3, int ldelta=0);
190  void draw_image_mono(const uchar* d, int x,int y,int w,int h, int delta=1, int ld=0);
191  void draw_image(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=3);
192  void draw_image_mono(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=1);
193 
194  void draw(const char* s, int nBytes, int x, int y) {transformed_draw(s,nBytes,x,y); };
195 #ifdef __APPLE__
196  void draw(const char* s, int nBytes, float x, float y) {transformed_draw(s,nBytes,x,y); };
197 #endif
198  void draw(int angle, const char *str, int n, int x, int y);
199  void rtl_draw(const char* s, int n, int x, int y);
200  void font(int face, int size);
201  double width(const char *, int);
202  double width(unsigned int u);
203  void text_extents(const char *c, int n, int &dx, int &dy, int &w, int &h);
204  int height();
205  int descent();
206  void draw(Fl_Pixmap * pxm,int XP, int YP, int WP, int HP, int cx, int cy);
207  void draw(Fl_Bitmap * bitmap,int XP, int YP, int WP, int HP, int cx, int cy);
208  void draw(Fl_RGB_Image * rgb,int XP, int YP, int WP, int HP, int cx, int cy);
209  int clocale_printf(const char *format, ...);
211 };
212 
216 class FL_EXPORT Fl_PostScript_File_Device : public Fl_Paged_Device {
217 #ifdef __APPLE__
218  CGContextRef gc;
219 #endif
220 protected:
222 public:
223  static const char *class_id;
224  const char *class_name() {return class_id;};
227  int start_job(int pagecount, int* from, int* to);
228  int start_job(int pagecount, enum Fl_Paged_Device::Page_Format format = Fl_Paged_Device::A4,
230  int start_job(FILE *ps_output, int pagecount, enum Fl_Paged_Device::Page_Format format = Fl_Paged_Device::A4,
232  int start_page (void);
233  int printable_rect(int *w, int *h);
234  void margins(int *left, int *top, int *right, int *bottom);
235  void origin(int *x, int *y);
236  void origin(int x, int y);
237  void scale (float scale_x, float scale_y = 0.);
238  void rotate(float angle);
239  void translate(int x, int y);
240  void untranslate(void);
241  int end_page (void);
242  void end_job(void);
243 #ifdef __APPLE__
244  void set_current() { fl_gc = gc; Fl_Paged_Device::set_current(); }
245 #endif
246 
247  static const char *file_chooser_title;
248 };
249 
250 #endif // Fl_PostScript_H
251 
252 //
253 // End of "$Id: Fl_PostScript.H 10308 2014-09-13 17:51:20Z manolo $"
254 //
const char * class_name()
Returns the name of the class of this object.
Definition: Fl_PostScript.H:224
virtual void begin_points()
see fl_begin_points().
Definition: fl_vertex.cxx:75
virtual int start_job(int pagecount, int *frompage=NULL, int *topage=NULL)
Starts a print job.
Definition: Fl_Paged_Device.cxx:156
virtual void begin_loop()
see fl_begin_loop().
Definition: fl_vertex.cxx:79
Represents page-structured drawing surfaces.
Definition: Fl_Paged_Device.H:38
int( Fl_PostScript_Close_Command)(FILE *)
PostScript graphical backend.
Definition: Fl_PostScript.H:59
The Fl_Pixmap class supports caching and drawing of colormap (pixmap) images, including transparency...
Definition: Fl_Pixmap.H:41
virtual void text_extents(const char *, int n, int &dx, int &dy, int &w, int &h)
see fl_text_extents(const char*, int n, int& dx, int& dy, int& w, int& h).
Definition: Fl_Device.cxx:64
virtual void margins(int *left, int *top, int *right, int *bottom)
Computes the dimensions of margins that lie between the printable page area and the full page...
Definition: Fl_Paged_Device.cxx:188
virtual void pop_clip()
see fl_pop_clip().
Definition: fl_rect.cxx:597
virtual void rect(int x, int y, int w, int h)
see fl_rect(int x, int y, int w, int h).
Definition: fl_rect.cxx:158
void draw(const char *s, int nBytes, int x, int y)
see fl_draw(const char *str, int n, int x, int y).
Definition: Fl_PostScript.H:194
virtual void set_current(void)
Use this drawing surface for future graphics requests.
Definition: Fl_Device.cxx:40
virtual void draw_image_mono(const uchar *buf, int X, int Y, int W, int H, int D=1, int L=0)
see fl_draw_image_mono(const uchar* buf, int X,int Y,int W,int H, int D, int L).
Definition: Fl_Device.H:346
virtual void loop(int x0, int y0, int x1, int y1, int x2, int y2)
see fl_loop(int x0, int y0, int x1, int y1, int x2, int y2).
Definition: fl_rect.cxx:380
virtual int not_clipped(int x, int y, int w, int h)
see fl_not_clipped(int x, int y, int w, int h).
Definition: fl_rect.cxx:605
virtual void xyline(int x, int y, int x1)
see fl_xyline(int x, int y, int x1).
Definition: fl_rect.cxx:198
virtual void scale(float scale_x, float scale_y=0.)
Changes the scaling of page coordinates.
Definition: Fl_Paged_Device.cxx:214
void(* Fl_Draw_Image_Cb)(void *data, int x, int y, int w, uchar *buf)
signature of image generation callback function.
Definition: Fl_Device.H:49
Page_Layout
Possible page layouts.
Definition: Fl_Paged_Device.H:81
virtual void point(int x, int y)
see fl_point(int x, int y).
Definition: fl_rect.cxx:487
The Fl_RGB_Image class supports caching and drawing of full-color images with 1 to 4 channels of colo...
Definition: Fl_Image.H:183
virtual void end_loop()
see fl_end_loop().
Definition: fl_vertex.cxx:159
virtual void rtl_draw(const char *str, int n, int x, int y)
see fl_rtl_draw(const char *str, int n, int x, int y).
Definition: Fl_Device.H:251
virtual void transformed_vertex(double xf, double yf)
see fl_transformed_vertex(double xf, double yf).
Definition: fl_vertex.cxx:103
virtual int height()
see fl_height().
Definition: Fl_Device.H:391
virtual void end_job(void)
To be called at the end of a print job.
Definition: Fl_Paged_Device.cxx:235
virtual void untranslate(void)
Undoes the effect of a previous translate() call.
Definition: Fl_Paged_Device.cxx:249
virtual void origin(int x, int y)
Sets the position in page coordinates of the origin of graphics functions.
Definition: Fl_Paged_Device.cxx:201
virtual void begin_polygon()
see fl_begin_polygon().
Definition: fl_vertex.cxx:81
virtual void end_line()
see fl_end_line().
Definition: fl_vertex.cxx:133
static const char * file_chooser_title
Label of the PostScript file chooser window.
Definition: Fl_PostScript.H:247
virtual void polygon(int x0, int y0, int x1, int y1, int x2, int y2)
see fl_polygon(int x0, int y0, int x1, int y1, int x2, int y2).
Definition: fl_rect.cxx:435
virtual int descent()
see fl_descent().
Definition: Fl_Device.H:393
Fl_Color color()
see fl_color(void).
Definition: Fl_Device.H:395
virtual void rotate(float angle)
Rotates the graphics operations relatively to paper.
Definition: Fl_Paged_Device.cxx:223
virtual void line_style(int style, int width=0, char *dashes=0)
see fl_line_style(int style, int width, char* dashes).
Definition: fl_line_style.cxx:50
const char * class_name()
Returns the name of the class of this object.
Definition: Fl_PostScript.H:65
void gap()
see fl_gap().
Definition: Fl_PostScript.H:185
Definition: Fl_PostScript.H:62
virtual void begin_line()
see fl_begin_line().
Definition: fl_vertex.cxx:77
Fl_Font font()
see fl_font(void).
Definition: Fl_Device.H:381
virtual void curve(double X0, double Y0, double X1, double Y1, double X2, double Y2, double X3, double Y3)
see fl_curve(double X0, double Y0, double X1, double Y1, double X2, double Y2, double X3...
Definition: fl_curve.cxx:32
declaration of class Fl_Paged_Device.
void begin_complex_polygon()
see fl_begin_complex_polygon().
Definition: Fl_PostScript.H:184
Page_Format
Possible page formats.
Definition: Fl_Paged_Device.H:45
virtual void vertex(double x, double y)
see fl_vertex(double x, double y).
Definition: fl_vertex.cxx:111
utility header to pull drawing functions together
unsigned int Fl_Color
An FLTK color value; see also Colors.
Definition: Enumerations.H:796
virtual void yxline(int x, int y, int y1)
see fl_yxline(int x, int y, int y1).
Definition: fl_rect.cxx:265
virtual void draw_image(const uchar *buf, int X, int Y, int W, int H, int D=3, int L=0)
see fl_draw_image(const uchar* buf, int X,int Y,int W,int H, int D, int L).
Definition: Fl_Device.H:344
A virtual class subclassed for each graphics driver FLTK uses.
Definition: Fl_Device.H:103
virtual void push_no_clip()
see fl_push_no_clip().
Definition: fl_rect.cxx:590
virtual void circle(double x, double y, double r)
see fl_circle(double x, double y, double r).
Definition: fl_vertex.cxx:244
virtual void arc(double x, double y, double r, double start, double end)
see fl_arc(double x, double y, double r, double start, double end).
Definition: fl_arc.cxx:37
virtual void pie(int x, int y, int w, int h, double a1, double a2)
see fl_pie(int x, int y, int w, int h, double a1, double a2).
Definition: fl_arci.cxx:76
The Fl_Bitmap class supports caching and drawing of mono-color (bitmap) images.
Definition: Fl_Bitmap.H:33
virtual void line(int x, int y, int x1, int y1)
see fl_line(int x, int y, int x1, int y1).
Definition: fl_rect.cxx:334
virtual void translate(int x, int y)
Translates the current graphics origin accounting for the current rotation.
Definition: Fl_Paged_Device.cxx:244
A4 format.
Definition: Fl_Paged_Device.H:50
void end_complex_polygon()
see fl_end_complex_polygon().
Definition: Fl_PostScript.H:186
virtual void rectf(int x, int y, int w, int h)
see fl_rectf(int x, int y, int w, int h).
Definition: fl_rect.cxx:180
To send graphical output to a PostScript file.
Definition: Fl_PostScript.H:216
virtual int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H)
see fl_clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H).
Definition: fl_rect.cxx:636
virtual void end_polygon()
see fl_end_polygon().
Definition: fl_vertex.cxx:165
virtual void push_clip(int x, int y, int w, int h)
see fl_push_clip(int x, int y, int w, int h).
Definition: fl_rect.cxx:553
virtual int start_page(void)
Starts a new printed page.
Definition: Fl_Paged_Device.cxx:165
virtual int end_page(void)
To be called at the end of each page.
Definition: Fl_Paged_Device.cxx:230
virtual int printable_rect(int *w, int *h)
Computes the width and height of the printable area of the page.
Definition: Fl_Paged_Device.cxx:175
Portrait orientation.
Definition: Fl_Paged_Device.H:82
virtual double width(const char *str, int n)
see fl_width(const char *str, int n).
Definition: Fl_Device.H:385
virtual void end_points()
see fl_end_points().
Definition: fl_vertex.cxx:115
virtual void draw(const char *str, int n, int x, int y)
see fl_draw(const char *str, int n, int x, int y).
Definition: Fl_Device.H:244
unsigned char uchar
unsigned char
Definition: fl_types.h:30
Fl_Graphics_Driver * driver()
Returns the graphics driver of this drawing surface.
Definition: Fl_Device.H:537