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Fl_PostScript.H
Go to the documentation of this file.
1 //
2 // "$Id: Fl_PostScript.H 9683 2012-09-20 11:23:38Z 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
55 class FL_EXPORT Fl_PostScript_Graphics_Driver : public Fl_Graphics_Driver {
56 public:
57 static const char *class_id;
58 const char *class_name() {return class_id;};
59 Fl_PostScript_Graphics_Driver();
60 #ifndef FL_DOXYGEN
61 enum SHAPE{NONE=0, LINE, LOOP, POLYGON, POINTS};
62
63 class Clip {
64 public:
65 int x, y, w, h;
66 Clip *prev;
67 };
68 Clip * clip_;
69
70 int lang_level_;
71 int gap_;
72 int pages_;
73
74 double width_;
75 double height_;
76
77 int shape_;
78 int linewidth_;// need for clipping, lang level 1-2
79 int linestyle_;//
80 int interpolate_; //interpolation of images
81 unsigned char cr_,cg_,cb_;
82 char linedash_[256];//should be enough
83 void concat(); // transform ror scalable dradings...
84 void reconcat(); //invert
85 void recover(); //recovers the state after grestore (such as line styles...)
86 void reset();
87
88 uchar * mask;
89 int mx; // width of mask;
90 int my; // mask lines
91 //Fl_Color bg_;
92 int (*close_cmd_)(FILE *);
93 int page_policy_;
94 int nPages;
95 int orientation_;
96
97 float scale_x;
98 float scale_y;
99 float angle;
100 int left_margin;
101 int top_margin;
102
103 FILE *output;
104 double pw_, ph_;
105
106 uchar bg_r, bg_g, bg_b;
107 int start_postscript (int pagecount, enum Fl_Paged_Device::Page_Format format, enum Fl_Paged_Device::Page_Layout layout);
108 /* int alpha_mask(const uchar * data, int w, int h, int D, int LD=0);
109 */
110 void transformed_draw(const char* s, int n, double x, double y); //precise text placing
111 void transformed_draw(const char* s, double x, double y);
112 int alpha_mask(const uchar * data, int w, int h, int D, int LD=0);
113
114 enum Fl_Paged_Device::Page_Format page_format_;
115 char *ps_filename_;
116
117 void page_policy(int p);
118 int page_policy(){return page_policy_;};
119 void close_command( int (*cmd)(FILE *)){close_cmd_=cmd;};
120 FILE * file() {return output;};
121 //void orientation (int o);
122 //Fl_PostScript_Graphics_Driver(FILE *o, int lang_level, int pages = 0); // ps (also multi-page) constructor
123 //Fl_PostScript_Graphics_Driver(FILE *o, int lang_level, int x, int y, int w, int h); //eps constructor
124 void interpolate(int i){interpolate_=i;};
125 int interpolate(){return interpolate_;}
126
127 void page(double pw, double ph, int media = 0);
128 void page(int format);
129 #endif // FL_DOXYGEN
130
131 // implementation of drawing methods
132 void color(Fl_Color c);
133 void color(uchar r, uchar g, uchar b);
134
135 void push_clip(int x, int y, int w, int h);
136 int clip_box(int x, int y, int w, int h, int &X, int &Y, int &W, int &H);
137 int not_clipped(int x, int y, int w, int h);
138 void push_no_clip();
139 void pop_clip();
140
141 void line_style(int style, int width=0, char* dashes=0);
142
143 void rect(int x, int y, int w, int h);
144 void rectf(int x, int y, int w, int h);
145
146 void xyline(int x, int y, int x1);
147 void xyline(int x, int y, int x1, int y2);
148 void xyline(int x, int y, int x1, int y2, int x3);
149
150 void yxline(int x, int y, int y1);
151 void yxline(int x, int y, int y1, int x2);
152 void yxline(int x, int y, int y1, int x2, int y3);
153
154 void line(int x1, int y1, int x2, int y2);
155 void line(int x1, int y1, int x2, int y2, int x3, int y3);
156
157 void loop(int x0, int y0, int x1, int y1, int x2, int y2);
158 void loop(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
159 void polygon(int x0, int y0, int x1, int y1, int x2, int y2);
160 void polygon(int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
161 void point(int x, int y);
162
163 void begin_points();
164 void begin_line();
165 void begin_loop();
166 void begin_polygon();
167 void vertex(double x, double y);
168 void curve(double x, double y, double x1, double y1, double x2, double y2, double x3, double y3);
169 void circle(double x, double y, double r);
170 void arc(double x, double y, double r, double start, double a);
171 void arc(int x, int y, int w, int h, double a1, double a2);
172 void pie(int x, int y, int w, int h, double a1, double a2);
173 void end_points();
174 void end_line();
175 void end_loop();
176 void end_polygon();
177 void begin_complex_polygon(){begin_polygon();};
178 void gap(){gap_=1;};
179 void end_complex_polygon(){end_polygon();};
180 void transformed_vertex(double x, double y);
181
182 void draw_image(const uchar* d, int x,int y,int w,int h, int delta=3, int ldelta=0);
183 void draw_image_mono(const uchar* d, int x,int y,int w,int h, int delta=1, int ld=0);
184 void draw_image(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=3);
185 void draw_image_mono(Fl_Draw_Image_Cb call, void* data, int x,int y, int w, int h, int delta=1);
186
187 void draw(const char* s, int nBytes, int x, int y) {transformed_draw(s,nBytes,x,y); };
188 #ifdef __APPLE__
189 void draw(const char* s, int nBytes, float x, float y) {transformed_draw(s,nBytes,x,y); };
190 #endif
191 void draw(int angle, const char *str, int n, int x, int y);
192 void rtl_draw(const char* s, int n, int x, int y);
193 void font(int face, int size);
194 double width(const char *, int);
195 void text_extents(const char *c, int n, int &dx, int &dy, int &w, int &h);
196 int height();
197 int descent();
198 void draw(Fl_Pixmap * pxm,int XP, int YP, int WP, int HP, int cx, int cy);
199 void draw(Fl_Bitmap * bitmap,int XP, int YP, int WP, int HP, int cx, int cy);
200 void draw(Fl_RGB_Image * rgb,int XP, int YP, int WP, int HP, int cx, int cy);
201 ~Fl_PostScript_Graphics_Driver();
202 };
203
207 class FL_EXPORT Fl_PostScript_File_Device : public Fl_Paged_Device {
208 #ifdef __APPLE__
209 CGContextRef gc;
210 #endif
211 protected:
212 Fl_PostScript_Graphics_Driver *driver();
213 public:
214 static const char *class_id;
215 const char *class_name() {return class_id;};
216 Fl_PostScript_File_Device();
217 ~Fl_PostScript_File_Device();
218 int start_job(int pagecount, enum Fl_Paged_Device::Page_Format format = Fl_Paged_Device::A4,
219 enum Fl_Paged_Device::Page_Layout layout = Fl_Paged_Device::PORTRAIT);
220 int start_job(FILE *ps_output, int pagecount, enum Fl_Paged_Device::Page_Format format = Fl_Paged_Device::A4,
221 enum Fl_Paged_Device::Page_Layout layout = Fl_Paged_Device::PORTRAIT);
222 int start_page (void);
223 int printable_rect(int *w, int *h);
224 void margins(int *left, int *top, int *right, int *bottom);
225 void origin(int *x, int *y);
226 void origin(int x, int y);
227 void scale (float scale_x, float scale_y = 0.);
228 void rotate(float angle);
229 void translate(int x, int y);
230 void untranslate(void);
231 int end_page (void);
232 void end_job(void);
233 #ifdef __APPLE__
234 void set_current() { fl_gc = gc; Fl_Paged_Device::set_current(); }
235 #endif
236
237 static const char *file_chooser_title;
238 };
239
240 #endif // Fl_PostScript_H
241
242 //
243 // End of "$Id: Fl_PostScript.H 9683 2012-09-20 11:23:38Z manolo $"
244 //
Fl_PostScript_File_Device::class_name
const char * class_name()
Returns the name of the class of this object.
Definition: Fl_PostScript.H:215
Fl_Graphics_Driver::begin_points
virtual void begin_points()
see fl_begin_points().
Definition: fl_vertex.cxx:75
Fl_Paged_Device::start_job
virtual int start_job(int pagecount, int *frompage=NULL, int *topage=NULL)
Starts a print job.
Definition: Fl_Paged_Device.cxx:150
Fl_Graphics_Driver::begin_loop
virtual void begin_loop()
see fl_begin_loop().
Definition: fl_vertex.cxx:79
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_Graphics_Driver::text_extents
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&amp; dx, int&amp; dy, int&amp; w, int&amp; h).
Definition: Fl_Device.cxx:64
Fl_Paged_Device::margins
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:182
Fl_Graphics_Driver::pop_clip
virtual void pop_clip()
see fl_pop_clip().
Definition: fl_rect.cxx:597
Fl_Graphics_Driver::rect
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
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:187
Fl_Surface_Device::set_current
virtual void set_current(void)
Use this drawing surface for future graphics requests.
Definition: Fl_Device.cxx:40
Fl_Graphics_Driver::draw_image_mono
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
Fl_Graphics_Driver::loop
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
Fl_Graphics_Driver::not_clipped
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
Fl_Graphics_Driver::xyline
virtual void xyline(int x, int y, int x1)
see fl_xyline(int x, int y, int x1).
Definition: fl_rect.cxx:198
Fl_Paged_Device::scale
virtual void scale(float scale_x, float scale_y=0.)
Changes the scaling of page coordinates.
Definition: Fl_Paged_Device.cxx:208
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_Paged_Device::Page_Layout
Page_Layout
Possible page layouts.
Definition: Fl_Paged_Device.H:81
Fl_Graphics_Driver::point
virtual void point(int x, int y)
see fl_point(int x, int y).
Definition: fl_rect.cxx:487
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:168
Fl_Graphics_Driver::end_loop
virtual void end_loop()
see fl_end_loop().
Definition: fl_vertex.cxx:159
Fl_Graphics_Driver::rtl_draw
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
Fl_Graphics_Driver::transformed_vertex
virtual void transformed_vertex(double xf, double yf)
see fl_transformed_vertex(double xf, double yf).
Definition: fl_vertex.cxx:103
Fl_Graphics_Driver::height
virtual int height()
see fl_height().
Definition: Fl_Device.H:391
Fl_Paged_Device::end_job
virtual void end_job(void)
To be called at the end of a print job.
Definition: Fl_Paged_Device.cxx:229
Fl_Paged_Device::untranslate
virtual void untranslate(void)
Undoes the effect of a previous translate() call.
Definition: Fl_Paged_Device.cxx:243
Fl_Paged_Device::origin
virtual void origin(int x, int y)
Sets the position in page coordinates of the origin of graphics functions.
Definition: Fl_Paged_Device.cxx:195
Fl_Graphics_Driver::begin_polygon
virtual void begin_polygon()
see fl_begin_polygon().
Definition: fl_vertex.cxx:81
Fl_Graphics_Driver::end_line
virtual void end_line()
see fl_end_line().
Definition: fl_vertex.cxx:133
Fl_PostScript_File_Device::file_chooser_title
static const char * file_chooser_title
Label of the PostScript file chooser window.
Definition: Fl_PostScript.H:237
Fl_Graphics_Driver::polygon
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
Fl_Graphics_Driver::descent
virtual int descent()
see fl_descent().
Definition: Fl_Device.H:393
Fl_Graphics_Driver::color
Fl_Color color()
see fl_color(void).
Definition: Fl_Device.H:395
Fl_Paged_Device::rotate
virtual void rotate(float angle)
Rotates the graphics operations relatively to paper.
Definition: Fl_Paged_Device.cxx:217
Fl_Graphics_Driver::line_style
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
Fl_PostScript_Graphics_Driver::class_name
const char * class_name()
Returns the name of the class of this object.
Definition: Fl_PostScript.H:58
Fl_PostScript_Graphics_Driver::gap
void gap()
see fl_gap().
Definition: Fl_PostScript.H:178
Fl_PostScript_Graphics_Driver
PostScript graphical backend.
Definition: Fl_PostScript.H:55
Fl_Graphics_Driver::begin_line
virtual void begin_line()
see fl_begin_line().
Definition: fl_vertex.cxx:77
Fl_Graphics_Driver::font
Fl_Font font()
see fl_font(void).
Definition: Fl_Device.H:381
Fl_Graphics_Driver::curve
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
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:177
Fl_Paged_Device::Page_Format
Page_Format
Possible page formats.
Definition: Fl_Paged_Device.H:45
Fl_Graphics_Driver::vertex
virtual void vertex(double x, double y)
see fl_vertex(double x, double y).
Definition: fl_vertex.cxx:111
fl_draw.H
utility header to pull drawing functions together
Fl_Color
unsigned int Fl_Color
an FLTK color value
Definition: Enumerations.H:774
Fl_Graphics_Driver::yxline
virtual void yxline(int x, int y, int y1)
see fl_yxline(int x, int y, int y1).
Definition: fl_rect.cxx:265
Fl_Graphics_Driver::draw_image
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
Fl_Graphics_Driver
A virtual class subclassed for each graphics driver FLTK uses.
Definition: Fl_Device.H:103
Fl_Graphics_Driver::push_no_clip
virtual void push_no_clip()
see fl_push_no_clip().
Definition: fl_rect.cxx:590
Fl_Graphics_Driver::circle
virtual void circle(double x, double y, double r)
see fl_circle(double x, double y, double r).
Definition: fl_vertex.cxx:244
Fl_Graphics_Driver::arc
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
Fl_Graphics_Driver::pie
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
Fl_Bitmap
The Fl_Bitmap class supports caching and drawing of mono-color (bitmap) images.
Definition: Fl_Bitmap.H:33
Fl_Graphics_Driver::line
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
Fl_Paged_Device::translate
virtual void translate(int x, int y)
Translates the current graphics origin accounting for the current rotation.
Definition: Fl_Paged_Device.cxx:238
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:179
Fl_Graphics_Driver::rectf
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
Fl_PostScript_File_Device
To send graphical output to a PostScript file.
Definition: Fl_PostScript.H:207
Fl_Graphics_Driver::clip_box
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 &amp;X, int &amp;Y, int &amp;W, int &amp;H).
Definition: fl_rect.cxx:636
Fl_Graphics_Driver::end_polygon
virtual void end_polygon()
see fl_end_polygon().
Definition: fl_vertex.cxx:165
Fl_Graphics_Driver::push_clip
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
Fl_Paged_Device::start_page
virtual int start_page(void)
Starts a new printed page.
Definition: Fl_Paged_Device.cxx:159
Fl_Paged_Device::end_page
virtual int end_page(void)
To be called at the end of each page.
Definition: Fl_Paged_Device.cxx:224
Fl_Paged_Device::printable_rect
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:169
Fl_Paged_Device::PORTRAIT
Portrait orientation.
Definition: Fl_Paged_Device.H:82
Fl_Graphics_Driver::width
virtual double width(const char *str, int n)
see fl_width(const char *str, int n).
Definition: Fl_Device.H:385
Fl_Graphics_Driver::end_points
virtual void end_points()
see fl_end_points().
Definition: fl_vertex.cxx:115
Fl_Graphics_Driver::draw
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
uchar
unsigned char uchar
unsigned char
Definition: fl_types.h:30
Fl_Surface_Device::driver
Fl_Graphics_Driver * driver()
Returns the graphics driver of this drawing surface.
Definition: Fl_Device.H:536
- © 1998-2012 by Bill Spitzak and others.