FLTK 1.3.3: Fl_PostScript.H Source File

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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
62 class FL_EXPORT Fl_PostScript_Graphics_Driver : public Fl_Graphics_Driver {
63 public:
64 static const char *class_id;
65 const char *class_name() {return class_id;};
66 Fl_PostScript_Graphics_Driver();
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();
184 void begin_complex_polygon(){begin_polygon();};
185 void gap(){gap_=1;};
186 void end_complex_polygon(){end_polygon();};
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, ...);
210 ~Fl_PostScript_Graphics_Driver();
211 };
212
216 class FL_EXPORT Fl_PostScript_File_Device : public Fl_Paged_Device {
217 #ifdef __APPLE__
218 CGContextRef gc;
219 #endif
220 protected:
221 Fl_PostScript_Graphics_Driver *driver();
222 public:
223 static const char *class_id;
224 const char *class_name() {return class_id;};
225 Fl_PostScript_File_Device();
226 ~Fl_PostScript_File_Device();
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,
229 enum Fl_Paged_Device::Page_Layout layout = Fl_Paged_Device::PORTRAIT);
230 int start_job(FILE *ps_output, int pagecount, enum Fl_Paged_Device::Page_Format format = Fl_Paged_Device::A4,
231 enum Fl_Paged_Device::Page_Layout layout = Fl_Paged_Device::PORTRAIT);
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 //
Fl_PostScript_File_Device::class_name
const char * class_name()
Returns the name of the class of this object.
Definition: Fl_PostScript.H:224
Fl_Paged_Device
Represents page-structured drawing surfaces.
Definition: Fl_Paged_Device.H:38
Fl_Pixmap
The Fl_Pixmap class supports caching and drawing of colormap (pixmap) images, including transparency...
Definition: Fl_Pixmap.H:41
Fl_PostScript_Close_Command
int( Fl_PostScript_Close_Command)(FILE *)
PostScript graphical backend.
Definition: Fl_PostScript.H:59
Fl_PostScript_Graphics_Driver::draw
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
Fl_Surface_Device::set_current
virtual void set_current(void)
Use this drawing surface for future graphics requests.
Definition: Fl_Device.cxx:40
Fl_Paged_Device::Page_Layout
Page_Layout
Possible page layouts.
Definition: Fl_Paged_Device.H:81
Fl_RGB_Image
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
Fl_PostScript_File_Device::file_chooser_title
static const char * file_chooser_title
Label of the PostScript file chooser window.
Definition: Fl_PostScript.H:247
Fl_PostScript_Graphics_Driver::class_name
const char * class_name()
Returns the name of the class of this object.
Definition: Fl_PostScript.H:65
Fl_PostScript_Graphics_Driver::gap
void gap()
see fl_gap().
Definition: Fl_PostScript.H:185
Fl_PostScript_Graphics_Driver
Definition: Fl_PostScript.H:62
Fl_Paged_Device.H
declaration of class Fl_Paged_Device.
Fl_PostScript_Graphics_Driver::begin_complex_polygon
void begin_complex_polygon()
see fl_begin_complex_polygon().
Definition: Fl_PostScript.H:184
Fl_Paged_Device::Page_Format
Page_Format
Possible page formats.
Definition: Fl_Paged_Device.H:45
fl_draw.H
utility header to pull drawing functions together
Fl_Color
unsigned int Fl_Color
An FLTK color value; see also Colors.
Definition: Enumerations.H:796
Fl_Draw_Image_Cb
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
Fl_Graphics_Driver
A virtual class subclassed for each graphics driver FLTK uses.
Definition: Fl_Device.H:103
Fl_Bitmap
The Fl_Bitmap class supports caching and drawing of mono-color (bitmap) images.
Definition: Fl_Bitmap.H:33
Fl_Paged_Device::A4
A4 format.
Definition: Fl_Paged_Device.H:50
Fl_PostScript_Graphics_Driver::end_complex_polygon
void end_complex_polygon()
see fl_end_complex_polygon().
Definition: Fl_PostScript.H:186
Fl_PostScript_File_Device
To send graphical output to a PostScript file.
Definition: Fl_PostScript.H:216
Fl_Paged_Device::PORTRAIT
Portrait orientation.
Definition: Fl_Paged_Device.H:82
uchar
unsigned char uchar
unsigned char
Definition: fl_types.h:30
- © 1998-2014 by Bill Spitzak and others.