1ed0a2c5 |
1 | ;; Common Lisp bindings for Cairo |
2 | ;; Copyright 2005 Espen S. Johnsen <espen@users.sf.net> |
3 | ;; |
4 | ;; Permission is hereby granted, free of charge, to any person obtaining |
5 | ;; a copy of this software and associated documentation files (the |
6 | ;; "Software"), to deal in the Software without restriction, including |
7 | ;; without limitation the rights to use, copy, modify, merge, publish, |
8 | ;; distribute, sublicense, and/or sell copies of the Software, and to |
9 | ;; permit persons to whom the Software is furnished to do so, subject to |
10 | ;; the following conditions: |
11 | ;; |
12 | ;; The above copyright notice and this permission notice shall be |
13 | ;; included in all copies or substantial portions of the Software. |
14 | ;; |
15 | ;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
16 | ;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
17 | ;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
18 | ;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
19 | ;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
20 | ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
21 | ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
22 | |
06ce78c6 |
23 | ;; $Id: cairo.lisp,v 1.23 2008-10-27 18:39:30 espen Exp $ |
1ed0a2c5 |
24 | |
25 | (in-package "CAIRO") |
26 | |
27 | (eval-when (:compile-toplevel :load-toplevel :execute) |
28 | (define-enum-type surface-format :argb32 :rgb24 :a8 :a1) |
81240b33 |
29 | (define-enum-type content :color :alpha :color-alpha) |
2e86f0c9 |
30 | (define-enum-type svg-version :svg-1.1 :svg-1.2) |
1ed0a2c5 |
31 | |
32 | (define-enum-type status |
33 | :success :no-memory :invalid-restore :invalid-pop-group |
34 | :no-current-point :invalid-matrix :invalid-status :null-pointer |
35 | :invalid-string :invalid-path-data :read-error :write-error |
36 | :surface-finished :surface-type-mismatch :pattern-type-mismatch |
37 | :invalid-content :invalid-format :invalid-visual :file-not-found |
38 | :invalid-dash) |
39 | |
40 | (define-enum-type fill-rule :winding :even-odd) |
41 | (define-enum-type line-cap :butt :round :square) |
42 | (define-enum-type line-join :miter :round :bevel) |
fd21545c |
43 | (define-enum-type font-slant :normal :italic :oblique) |
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44 | (define-enum-type font-weight :normal :bold) |
45 | |
46 | (define-enum-type operator |
47 | :clear :source :over :in :out :atop :dest :dest-over |
48 | :dest-in :dest-out :dest-atop :xor :add :saturate) |
49 | |
50 | (define-enum-type antialias :default :none :gray :subpixel) |
51 | (define-enum-type extend :none :repeat :reflect) |
52 | (define-enum-type filter :fast :good :best :nearest :bilinear :gaussian) |
53 | (define-enum-type subpixel-order :default :rgb :bgr :vrgb :vbgr) |
54 | (define-enum-type hint-style :default :none :slight :medium :full) |
55 | (define-enum-type hint-metrics :default :off :on) |
56 | |
2e86f0c9 |
57 | |
58 | (define-enum-type surface-type |
59 | image-surface pdf-surface ps-surface xlib-surface xcb-surface |
60 | glitz-surface quartz-surface win32-surface beos-surface |
539851a8 |
61 | directfb-surface svg-surface os2-surface) |
2e86f0c9 |
62 | |
63 | (defclass surface-class (proxy-class) |
64 | ()) |
65 | |
66 | (defmethod validate-superclass ((class surface-class) (super standard-class)) |
67 | (subtypep (class-name super) 'surface)) |
68 | |
c7d11ab8 |
69 | (defclass glyph (struct) |
1ed0a2c5 |
70 | ((index |
71 | :allocation :alien |
72 | :initarg :index |
73 | :accessor glyph-index |
74 | :type unsigned-long) |
75 | (x |
76 | :allocation :alien |
77 | :initarg :x |
78 | :accessor glyph-x |
79 | :type double-float) |
80 | (y |
81 | :allocation :alien |
82 | :initarg :y |
83 | :accessor glyph-y |
84 | :type double-float)) |
85 | (:metaclass struct-class)) |
86 | |
af338f4a |
87 | (defclass font-face (ref-counted-object) |
1ed0a2c5 |
88 | () |
a82cea45 |
89 | (:metaclass proxy-class) |
90 | (:ref %font-face-reference) |
91 | (:unref %font-face-destroy)) |
1ed0a2c5 |
92 | |
af338f4a |
93 | (defclass font-options (ref-counted-object) |
1ed0a2c5 |
94 | ((antialias |
95 | :allocation :virtual |
96 | :getter "font_options_get_antialias" |
97 | :setter "font_options_set_antialias" |
98 | :accessor font-options-antialias |
99 | :type antialias) |
100 | (subpixel-order |
101 | :allocation :virtual |
102 | :getter "font_options_get_subpixel_order" |
103 | :setter "font_options_set_subpixel_order" |
104 | :accessor font-options-subpixel-order |
105 | :type subpixel-order) |
106 | (hint-style |
107 | :allocation :virtual |
108 | :getter "font_options_get_hint_style" |
109 | :setter "font_options_set_hint_style" |
110 | :accessor font-options-hint-style |
111 | :type hint-style) |
112 | (hint-metrics |
113 | :allocation :virtual |
114 | :getter "font_options_get_hint_metrics" |
115 | :setter "font_options_set_hint_metrics" |
116 | :accessor font-options-hint-metrics |
117 | :type hint-metrics)) |
a82cea45 |
118 | (:metaclass proxy-class) |
119 | (:ref %font-options-reference) |
120 | (:unref %font-options-destroy)) |
1ed0a2c5 |
121 | |
af338f4a |
122 | (defclass scaled-font (ref-counted-object) |
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123 | () |
a82cea45 |
124 | (:metaclass proxy-class) |
125 | (:ref %scaled-font-reference) |
126 | (:unref %scaled-font-destroy)) |
1ed0a2c5 |
127 | |
128 | (defclass matrix (struct) |
129 | ((xx :allocation :alien :initarg :xx :initform 1.0 |
130 | :accessor matrix-xx :type double-float) |
131 | (yx :allocation :alien :initarg :yx :initform 0.0 |
132 | :accessor matrix-yx :type double-float) |
133 | (xy :allocation :alien :initarg :xy :initform 1.0 |
134 | :accessor matrix-xy :type double-float) |
135 | (yy :allocation :alien :initarg :yy :initform 0.0 |
136 | :accessor matrix-yy :type double-float) |
137 | (x0 :allocation :alien :initarg :x0 :initform 0.0 |
138 | :accessor matrix-x0 :type double-float) |
139 | (y0 :allocation :alien :initarg :y0 :initform 0.0 |
140 | :accessor matrix-y0 :type double-float)) |
141 | (:metaclass struct-class)) |
142 | |
27053df5 |
143 | (defclass font-extents (struct) |
144 | ((ascent :allocation :alien :reader font-extents-ascent :type double-float) |
145 | (descent :allocation :alien :reader font-extents-descent :type double-float) |
146 | (height :allocation :alien :reader font-extents-height :type double-float) |
147 | (max-x-advance :allocation :alien :reader font-extents-max-x-advance :type double-float) |
148 | (max-y-advance :allocation :alien :reader font-extents-max-y-advance :type double-float)) |
149 | (:metaclass struct-class)) |
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150 | |
151 | (defclass text-extents (struct) |
152 | ((x-bearing :allocation :alien :reader text-extents-x-bearing :type double-float) |
153 | (y-bearing :allocation :alien :reader text-extents-y-bearing :type double-float) |
154 | (width :allocation :alien :reader text-extents-width :type double-float) |
155 | (height :allocation :alien :reader text-extents-height :type double-float) |
156 | (x-advance :allocation :alien :reader text-extents-x-advance :type double-float) |
157 | (y-advance :allocation :alien :reader text-extents-y-advance :type double-float)) |
158 | (:metaclass struct-class)) |
159 | |
af338f4a |
160 | (defclass pattern (ref-counted-object) |
1ed0a2c5 |
161 | ((extend |
162 | :allocation :virtual |
163 | :getter "cairo_pattern_get_extend" |
164 | :setter "cairo_pattern_set_extend" |
165 | :accessor pattern-extend |
166 | :type extend) |
167 | (filter |
168 | :allocation :virtual |
169 | :getter "cairo_pattern_get_filter" |
170 | :setter "cairo_pattern_set_filter" |
171 | :accessor pattern-filter |
172 | :type filter) |
173 | (matrix |
174 | :allocation :virtual |
175 | :getter "cairo_pattern_get_matrix" |
176 | :setter "cairo_pattern_set_matrix" |
177 | :accessor pattern-matrix |
178 | :type matrix)) |
a82cea45 |
179 | (:metaclass proxy-class) |
180 | (:ref %pattern-reference) |
181 | (:unref %pattern-destroy)) |
182 | |
183 | |
af338f4a |
184 | (defclass surface (ref-counted-object) |
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185 | ((content |
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186 | :allocation :virtual |
187 | :getter "cairo_surface_get_content" |
188 | :reader surface-content |
189 | :type content)) |
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190 | (:metaclass surface-class)) |
191 | |
192 | (defclass image-surface (surface) |
193 | ((data |
194 | :allocation :virtual |
195 | :getter "cairo_image_surface_get_data" |
196 | :reader surface-data |
197 | :type pointer) |
198 | (format |
199 | :allocation :virtual |
200 | :getter "cairo_image_surface_get_format" |
201 | :reader surface-format |
202 | :type surface-format) |
203 | (width |
204 | :allocation :virtual |
205 | :getter "cairo_image_surface_get_width" |
206 | :reader surface-width |
207 | :type int) |
208 | (height |
209 | :allocation :virtual |
210 | :getter "cairo_image_surface_get_height" |
211 | :reader surface-height |
212 | :type int) |
213 | (stride |
214 | :allocation :virtual |
215 | :getter "cairo_image_surface_get_stride" |
a622ac46 |
216 | :reader surface-stride |
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217 | :type int)) |
218 | (:metaclass surface-class)) |
219 | |
220 | (defclass xlib-surface (surface) |
221 | ((width |
222 | :allocation :virtual |
223 | :getter "cairo_xlib_surface_get_width" |
224 | :reader surface-width |
225 | :type int) |
226 | (height |
227 | :allocation :virtual |
228 | :getter "cairo_xlib_surface_get_height" |
229 | :reader surface-height |
230 | :type int)) |
231 | (:metaclass surface-class)) |
232 | |
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233 | (defclass vector-surface (surface) |
234 | ((width :allocation :virtual :getter surface-width) |
235 | (height :allocation :virtual :setter surface-height)) |
236 | (:metaclass surface-class)) |
237 | |
238 | (defclass pdf-surface (vector-surface) |
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239 | () |
240 | (:metaclass surface-class)) |
241 | |
7d6c9b98 |
242 | (defclass ps-surface (vector-surface) |
2e86f0c9 |
243 | () |
244 | (:metaclass surface-class)) |
245 | |
7d6c9b98 |
246 | (defclass svg-surface (vector-surface) |
2e86f0c9 |
247 | () |
248 | (:metaclass surface-class)) |
249 | |
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250 | |
af338f4a |
251 | (defclass context (ref-counted-object) |
1ed0a2c5 |
252 | ((target |
253 | :allocation :virtual |
254 | :getter "cairo_get_target" |
255 | :reader target |
256 | :type surface) |
257 | (source |
258 | :allocation :virtual |
259 | :getter "cairo_get_source" |
260 | :setter "cairo_set_source" |
261 | :accessor source |
262 | :type pattern) |
263 | (antialias |
264 | :allocation :virtual |
265 | :getter "cairo_get_antialias" |
266 | :setter "cairo_set_antialias" |
267 | :accessor antialias |
268 | :type antialias) |
269 | (tolerance |
270 | :allocation :virtual |
271 | :getter "cairo_get_tolerance" |
272 | :setter "cairo_set_tolerance" |
273 | :accessor tolerance |
274 | :type double-float) |
275 | (fill-rule |
276 | :allocation :virtual |
277 | :getter "cairo_get_fill_rule" |
278 | :setter "cairo_set_fill_rule" |
279 | :accessor fill-rule |
280 | :type fill-rule) |
281 | (line-width |
282 | :allocation :virtual |
283 | :getter "cairo_get_line_width" |
284 | :setter "cairo_set_line_width" |
285 | :accessor line-width |
286 | :type double-float) |
287 | (line-cap |
288 | :allocation :virtual |
289 | :getter "cairo_get_line_cap" |
290 | :setter "cairo_set_line_cap" |
291 | :accessor line-cap |
292 | :type line-cap) |
293 | (line-join |
294 | :allocation :virtual |
295 | :getter "cairo_get_line_join" |
296 | :setter "cairo_set_line_join" |
297 | :accessor line-join |
298 | :type line-join) |
299 | (miter-limit |
300 | :allocation :virtual |
301 | :getter "cairo_get_miter_limit" |
302 | :setter "cairo_set_miter_limit" |
303 | :accessor miter-limit |
304 | :type double-float) |
305 | (font-matrix |
306 | :allocation :virtual |
4f4f0dc5 |
307 | :getter font-matrix |
1ed0a2c5 |
308 | :setter "cairo_set_font_matrix" |
4f4f0dc5 |
309 | :writer (setf font-matrix) |
1ed0a2c5 |
310 | :type matrix) |
311 | (font-options |
312 | :allocation :virtual |
4f4f0dc5 |
313 | :getter font-options |
1ed0a2c5 |
314 | :setter "cairo_set_font_options" |
4f4f0dc5 |
315 | :writer (setf font-options) |
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316 | :type font-options) |
317 | (font-face |
318 | :allocation :virtual |
319 | :getter "cairo_get_font_face" |
320 | :setter "cairo_set_font_face" |
321 | :accessor font-face |
322 | :type font-face) |
4f4f0dc5 |
323 | #?(pkg-exists-p "cairo" :atleast-version "1.4") |
324 | (scaled-font |
325 | :allocation :virtual |
326 | :getter "cairo_get_scaled_font" |
327 | :setter "cairo_set_scaled_font" |
328 | :accessor scaled-font |
329 | :type scaled-font) |
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330 | (operator |
331 | :allocation :virtual |
332 | :getter "cairo_get_operator" |
333 | :setter "cairo_set_operator" |
334 | :accessor operator |
335 | :type operator) |
336 | (matrix |
337 | :allocation :virtual |
338 | :getter matrix |
339 | :setter "cairo_set_matrix" |
340 | :writer (setf matrix) |
341 | :type matrix) |
342 | ) |
a82cea45 |
343 | (:metaclass proxy-class) |
344 | (:ref %reference) |
345 | (:unref %destroy)) |
1ed0a2c5 |
346 | |
1ed0a2c5 |
347 | |
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348 | (defclass path (struct) |
349 | ((status :allocation :alien :type status) |
350 | (data :allocation :alien :type pointer) |
351 | (length :allocation :alien :type int)) |
352 | (:metaclass proxy-class) |
353 | (:unref %path-destroy))) |
1ed0a2c5 |
354 | |
355 | |
356 | ;;; Cairo context |
357 | |
2e86f0c9 |
358 | (defmethod allocate-foreign ((context context) &key target) |
359 | (%create-context target)) |
360 | |
361 | (defbinding (%create-context "cairo_create") () pointer |
362 | (target surface)) |
363 | |
3507be1a |
364 | (defbinding %reference () pointer |
1ed0a2c5 |
365 | (location pointer)) |
366 | |
367 | (defbinding %destroy () nil |
368 | (location pointer)) |
369 | |
1ed0a2c5 |
370 | (defbinding (save-context "cairo_save") () nil |
371 | (cr context)) |
372 | |
373 | (defbinding (restore-context "cairo_restore") () nil |
374 | (cr context)) |
375 | |
2e86f0c9 |
376 | (defmacro with-context ((cr &optional var) &body body) |
377 | (let ((context (or var (make-symbol "CONTEXT")))) |
1ed0a2c5 |
378 | `(let ((,context ,cr)) |
379 | (save-context ,context) |
380 | (unwind-protect |
381 | (progn ,@body) |
382 | (restore-context ,context))))) |
383 | |
384 | (defbinding status () status |
385 | (cr context)) |
386 | |
4372fce2 |
387 | (defun ensure-color-component (component) |
388 | (etypecase component |
389 | (float component) |
390 | (integer (/ component 256.0)))) |
391 | |
1ed0a2c5 |
392 | (defbinding (set-source-color "cairo_set_source_rgba") (cr red green blue &optional (alpha 1.0)) nil |
393 | (cr context) |
4372fce2 |
394 | ((ensure-color-component red) double-float) |
395 | ((ensure-color-component green) double-float) |
396 | ((ensure-color-component blue) double-float) |
397 | ((ensure-color-component alpha) double-float)) |
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398 | |
81240b33 |
399 | (defbinding set-source-surface (cr surface &optional (x 0.0) (y 0.0)) nil |
1ed0a2c5 |
400 | (cr context) |
401 | (surface surface) |
402 | (x double-float) |
403 | (y double-float)) |
404 | |
81240b33 |
405 | (defun set-source (cr source) |
406 | (etypecase source |
407 | (pattern (setf (source cr) source)) |
408 | (surface (set-source-surface cr source)) |
2e86f0c9 |
409 | (null (set-source-color cr 0.0 0.0 0.0)) |
81240b33 |
410 | (list (apply #'set-source-color cr source)) |
2e86f0c9 |
411 | (vector (apply #'set-source-color cr (coerce source 'list))))) |
81240b33 |
412 | |
1ed0a2c5 |
413 | (defbinding set-dash (cr dashes &optional (offset 0.0)) nil |
414 | (cr context) |
415 | (dashes (vector double-float)) |
416 | ((length dashes) int) |
417 | (offset double-float)) |
418 | |
419 | (defbinding (paint "cairo_paint_with_alpha") (cr &optional (alpha 1.0)) nil |
420 | (cr context) |
421 | (alpha double-float)) |
422 | |
423 | (defbinding mask () nil |
424 | (cr context) |
425 | (pattern pattern)) |
426 | |
427 | (defbinding mask-surface () nil |
428 | (cr context) |
429 | (surface surface) |
430 | (surface-x double-float) |
431 | (surface-y double-float)) |
432 | |
433 | (defmacro defoperator (name &optional clip-p) |
434 | (let ((iname (intern (format nil "%~A" name))) |
435 | (pname (intern (format nil "%~A-PRESERVE" name)))) |
436 | `(progn |
437 | (defbinding ,iname () nil |
438 | (cr context)) |
439 | (defbinding ,pname () nil |
440 | (cr context)) |
441 | (defun ,name (cr &optional preserve) |
442 | (if preserve |
443 | (,pname cr) |
444 | (,iname cr))) |
445 | ,(unless clip-p |
2f60440d |
446 | (let ((tname (intern (format nil "IN-~A-P" name))) |
1ed0a2c5 |
447 | (ename (intern (format nil "~A-EXTENTS" name)))) |
448 | `(progn |
449 | (defbinding ,tname () boolean |
450 | (cr context) |
451 | (x double-float) |
452 | (y double-float)) |
3507be1a |
453 | (defbinding ,ename () nil |
1ed0a2c5 |
454 | (cr context) |
455 | (x1 double-float :out) |
456 | (y1 double-float :out) |
457 | (x2 double-float :out) |
458 | (y2 double-float :out)))))))) |
459 | |
460 | (defoperator clip t) |
461 | (defoperator stroke) |
462 | (defoperator fill) |
463 | |
464 | (defbinding reset-clip () nil |
465 | (cr context)) |
466 | |
467 | (defbinding copy-page () nil |
468 | (cr context)) |
469 | |
470 | (defbinding show-page () nil |
471 | (cr context)) |
472 | |
473 | |
474 | ;;; Paths |
475 | |
355283f6 |
476 | (defbinding %path-destroy () nil |
477 | (location pointer)) |
478 | |
479 | (defbinding copy-path () path |
480 | (cr context)) |
481 | |
482 | (defbinding copy-path-flat () path |
483 | (cr context)) |
484 | |
485 | (defbinding append-path () nil |
486 | (cr context) |
487 | (path path)) |
488 | |
1ed0a2c5 |
489 | (defbinding get-current-point () nil |
490 | (cr context) |
491 | (x double-float :out) |
492 | (y double-float :out)) |
493 | |
494 | (defbinding new-path () nil |
495 | (cr context)) |
496 | |
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497 | #?(pkg-exists-p "cairo" :atleast-version "1.2") |
498 | (defbinding new-sub-path () nil |
499 | (cr context)) |
500 | |
1ed0a2c5 |
501 | (defbinding close-path () nil |
502 | (cr context)) |
503 | |
81240b33 |
504 | (defmacro defpath (name args &optional relative-p) |
505 | (flet ((def (name type) |
fd21545c |
506 | `(progn |
507 | ,(when (eq type 'optimized-double-float) |
508 | `(declaim (inline ,(first name)))) |
81240b33 |
509 | (defbinding ,name () nil |
510 | (cr context) |
511 | ,@(mapcar #'(lambda (arg) (list arg type)) args))))) |
512 | |
513 | `(progn |
514 | ,(def name 'double-float) |
515 | ,(let ((name (intern (format nil "FAST-~A" name))) |
516 | (cname (gffi::default-alien-fname name))) |
517 | (def (list name cname) 'optimized-double-float)) |
518 | ,@(when relative-p |
519 | (let* ((rel-name (intern (format nil "REL-~A" name))) |
520 | (fast-rel-name (intern (format nil "FAST-REL-~A" name))) |
521 | (cname (gffi::default-alien-fname rel-name))) |
522 | (list |
523 | (def rel-name 'double-float) |
524 | (def (list fast-rel-name cname) 'optimized-double-float))))))) |
525 | |
526 | |
527 | (defpath arc (xc yc radius angle1 angle2)) |
528 | (defpath arc-negative (xc yc radius angle1 angle2)) |
529 | (defpath curve-to (x1 y1 x2 y2 x3 y3) t) |
530 | (defpath line-to (x y) t) |
531 | (defpath move-to (x y) t) |
532 | (defpath rectangle (x y width height)) |
1ed0a2c5 |
533 | |
015f771e |
534 | (defun circle (cr x y radius &optional negative-p) |
535 | (move-to cr radius 0.0d0) |
536 | (if negative-p |
537 | (arc-negative cr x y radius (* pi 2) 0.0d0) |
538 | (arc cr x y radius 0.0d0 (* pi 2))) |
539 | (close-path cr)) |
540 | |
1ed0a2c5 |
541 | |
1ed0a2c5 |
542 | (defbinding glyph-path (cr glyphs) nil |
543 | (cr context) |
544 | (glyphs (vector glyph)) |
545 | ((length glyphs) int)) |
546 | |
547 | (defbinding text-path () nil |
548 | (cr context) |
549 | (text string)) |
550 | |
551 | |
552 | |
553 | ;;; Patterns |
554 | |
555 | (defbinding (pattern-add-color-stop "cairo_pattern_add_color_stop_rgba") |
556 | (pattern offset red green blue &optional (alpha 1.0)) nil |
557 | (pattern pattern) |
558 | (offset double-float) |
81240b33 |
559 | ((ensure-color-component red) double-float) |
560 | ((ensure-color-component green) double-float) |
561 | ((ensure-color-component blue) double-float) |
562 | ((ensure-color-component alpha) double-float)) |
1ed0a2c5 |
563 | |
564 | (defbinding (pattern-create "cairo_pattern_create_rgba") |
565 | (red green blue &optional (alpha 1.0)) pattern |
81240b33 |
566 | ((ensure-color-component red) double-float) |
567 | ((ensure-color-component green) double-float) |
568 | ((ensure-color-component blue) double-float) |
569 | ((ensure-color-component alpha) double-float)) |
1ed0a2c5 |
570 | |
571 | (defbinding pattern-create-for-surface () pattern |
572 | (surface surface)) |
573 | |
574 | (defbinding pattern-create-linear () pattern |
575 | (x0 double-float) |
576 | (y0 double-float) |
577 | (x1 double-float) |
578 | (y1 double-float)) |
579 | |
580 | (defbinding pattern-create-radial () pattern |
581 | (cx0 double-float) |
582 | (cy0 double-float) |
583 | (radius0 double-float) |
584 | (cx1 double-float) |
585 | (cy1 double-float) |
586 | (radius1 double-float)) |
587 | |
3507be1a |
588 | (defbinding %pattern-reference () pointer |
1ed0a2c5 |
589 | (location pointer)) |
590 | |
591 | (defbinding %pattern-destroy () nil |
592 | (location pointer)) |
593 | |
1ed0a2c5 |
594 | (defbinding pattern-status () status |
595 | (pattern pattern)) |
596 | |
597 | |
598 | |
599 | ;;; Transformations |
600 | |
601 | (defbinding translate () nil |
602 | (cr context) |
603 | (tx double-float) |
604 | (ty double-float)) |
605 | |
81240b33 |
606 | (defbinding scale (cr sx &optional (sy sx)) nil |
1ed0a2c5 |
607 | (cr context) |
608 | (sx double-float) |
609 | (sy double-float)) |
610 | |
81240b33 |
611 | (defun scale-to-device (cr &optional keep-rotation-p) |
612 | (if keep-rotation-p |
a622ac46 |
613 | (multiple-value-bind (dx dy) (device-to-user-distance cr 1.0 0.0) |
614 | (scale cr (sqrt (+ (* dx dx) (* dy dy))))) |
c470da88 |
615 | (multiple-value-bind (x y) |
616 | (with-context (cr) |
617 | (move-to cr 0.0 0.0) |
618 | (multiple-value-call #'user-to-device cr (get-current-point cr))) |
619 | (identity-matrix cr) |
81240b33 |
620 | (translate cr x y)))) |
621 | |
1ed0a2c5 |
622 | (defbinding rotate () nil |
623 | (cr context) |
624 | (angle double-float)) |
625 | |
626 | (defbinding transform () nil |
627 | (cr context) |
628 | (matrix matrix)) |
629 | |
630 | (defbinding (matrix "cairo_get_matrix") () nil |
631 | (cr context) |
a82cea45 |
632 | ((make-instance 'matrix) matrix :in/return)) |
1ed0a2c5 |
633 | |
634 | (defbinding identity-matrix () nil |
635 | (cr context)) |
636 | |
637 | (defbinding user-to-device () nil |
638 | (cr context) |
a82cea45 |
639 | (x double-float :in/out) |
640 | (y double-float :in/out)) |
1ed0a2c5 |
641 | |
81240b33 |
642 | (defbinding user-to-device-distance (cr dx &optional (dy dx)) nil |
1ed0a2c5 |
643 | (cr context) |
a82cea45 |
644 | (dx double-float :in/out) |
645 | (dy double-float :in/out)) |
1ed0a2c5 |
646 | |
647 | (defbinding device-to-user () nil |
648 | (cr context) |
a82cea45 |
649 | (x double-float :in/out) |
650 | (y double-float :in/out)) |
1ed0a2c5 |
651 | |
81240b33 |
652 | (defbinding device-to-user-distance (cr dx &optional (dy dx)) nil |
1ed0a2c5 |
653 | (cr context) |
a82cea45 |
654 | (dx double-float :in/out) |
655 | (dy double-float :in/out)) |
1ed0a2c5 |
656 | |
657 | |
658 | ;;; Text |
659 | |
660 | (defbinding select-font-face () nil |
661 | (cr context) |
662 | (family string) |
663 | (slant font-slant) |
664 | (weight font-weight)) |
665 | |
666 | (defbinding set-font-size () nil |
667 | (cr context) |
668 | (size double-float)) |
669 | |
4f4f0dc5 |
670 | (defbinding (font-matrix "cairo_get_font_matrix") () nil |
671 | (cr context) |
672 | ((make-instance 'matrix) matrix :in/return)) |
673 | |
674 | (defbinding (font-options "cairo_get_font_options") () nil |
675 | (cr context) |
676 | ((make-instance 'font-options) font-options :in/return)) |
677 | |
1ed0a2c5 |
678 | (defbinding show-text () nil |
679 | (cr context) |
680 | (text string)) |
681 | |
682 | (defbinding show-glyphs () nil |
683 | (cr context) |
d6c79d57 |
684 | (glyphs (vector (inlined glyph))) |
1ed0a2c5 |
685 | ((length glyphs) int)) |
686 | |
27053df5 |
687 | (defbinding font-extents (cr &optional (extents (make-instance 'font-extents))) nil |
688 | (cr context) |
689 | (extents font-extents :in/return)) |
1ed0a2c5 |
690 | |
691 | (defbinding text-extents (cr text &optional (extents (make-instance 'text-extents))) nil |
692 | (cr context) |
693 | (text string) |
a82cea45 |
694 | (extents text-extents :in/return)) |
1ed0a2c5 |
695 | |
696 | (defbinding glyph-extents (cr glyphs &optional (extents (make-instance 'text-extents))) nil |
697 | (cr context) |
698 | (glyphs (vector glyph)) |
699 | ((length glyphs) int) |
a82cea45 |
700 | (extents text-extents :in/return)) |
1ed0a2c5 |
701 | |
702 | |
703 | ;;; Fonts |
704 | |
3507be1a |
705 | (defbinding %font-face-reference () pointer |
1ed0a2c5 |
706 | (location pointer)) |
707 | |
708 | (defbinding %font-face-destroy () nil |
709 | (location pointer)) |
710 | |
1ed0a2c5 |
711 | (defbinding font-face-status () status |
712 | (font-face font-face)) |
713 | |
714 | |
715 | |
716 | ;;; Scaled Fonts |
717 | |
3507be1a |
718 | (defbinding %scaled-font-reference () pointer |
1ed0a2c5 |
719 | (location pointer)) |
720 | |
721 | (defbinding %scaled-font-destroy () nil |
722 | (location pointer)) |
723 | |
1ed0a2c5 |
724 | (defbinding scaled-font-status () status |
725 | (scaled-font scaled-font)) |
726 | |
727 | (defbinding scaled-font-extents (scaled-font &optional (extents (make-instance 'text-extents))) nil |
728 | (scaled-font scaled-font) |
a82cea45 |
729 | (extents text-extents :in/return)) |
1ed0a2c5 |
730 | |
731 | (defbinding scaled-font-glyph-extents (scaled-font glyphs &optional (extents (make-instance 'text-extents))) nil |
732 | (scaled-font scaled-font) |
733 | (glyphs (vector glyph)) |
734 | ((length glyphs) int) |
a82cea45 |
735 | (extents text-extents :in/return)) |
1ed0a2c5 |
736 | |
737 | (defbinding %scaled-font-create () pointer |
738 | (font-face font-face) |
739 | (font-matrix matrix) |
740 | (ctm matrix) |
741 | (options font-options)) |
742 | |
c1a5cdbb |
743 | (defmethod allocate-foreign ((scaled-font scaled-font) &key font-face font-matrix cmt options) |
744 | (%scaled-font-create font-face font-matrix cmt options)) |
1ed0a2c5 |
745 | |
746 | |
747 | |
748 | ;;; Font Options |
749 | |
750 | |
751 | (defbinding %font-options-copy () nil |
752 | (location pointer)) |
753 | |
754 | (defbinding %font-options-destroy () nil |
755 | (location pointer)) |
756 | |
1ed0a2c5 |
757 | (defbinding font-options-status () status |
758 | (font-options font-options)) |
759 | |
760 | (defbinding %font-options-create () pointer) |
761 | |
c1a5cdbb |
762 | (defmethod allocate-foreign ((font-options font-options) &rest initargs) |
1ed0a2c5 |
763 | (declare (ignore initargs)) |
c1a5cdbb |
764 | (%font-options-create)) |
1ed0a2c5 |
765 | |
766 | (defbinding font-options-merge () nil |
a82cea45 |
767 | (options1 font-options :in/return) |
1ed0a2c5 |
768 | (options2 font-options)) |
769 | |
770 | (defbinding font-options-hash () unsigned-int |
771 | (options font-options)) |
772 | |
773 | (defbinding font-options-equal-p () boolean |
774 | (options1 font-options) |
775 | (options2 font-options)) |
776 | |
777 | |
778 | |
779 | ;;; Surfaces |
780 | |
2e86f0c9 |
781 | (defmethod make-proxy-instance :around ((class surface-class) location |
782 | &rest initargs) |
783 | (let ((class (find-class (%surface-get-type location)))) |
784 | (apply #'call-next-method class location initargs))) |
785 | |
786 | (defbinding %surface-get-type () surface-type |
787 | (location pointer)) |
788 | |
3507be1a |
789 | (defbinding %surface-reference () pointer |
1ed0a2c5 |
790 | (location pointer)) |
791 | |
792 | (defbinding %surface-destroy () nil |
793 | (location pointer)) |
794 | |
2e86f0c9 |
795 | (defmethod reference-function ((class surface-class)) |
796 | (declare (ignore class)) |
797 | #'%surface-reference) |
798 | |
799 | (defmethod unreference-function ((class surface-class)) |
800 | (declare (ignore class)) |
801 | #'%surface-destroy) |
802 | |
803 | (defbinding %surface-set-user-data (surface key data-id) status |
804 | (surface pointer) |
805 | ((quark-intern key) pointer-data) |
806 | (data-id pointer-data) |
807 | (user-data-destroy-callback callback)) |
808 | |
809 | (defmethod (setf user-data) (data (surface surface) key) |
810 | (%surface-set-user-data (foreign-location surface) key (register-user-data data)) |
811 | data) |
812 | |
813 | (defbinding %surface-get-user-data () pointer-data |
814 | (surface surface) |
815 | (key pointer-data)) |
816 | |
817 | (defmethod user-data ((surface surface) key) |
818 | (find-user-data (%surface-get-user-data surface (quark-intern key)))) |
819 | |
1ed0a2c5 |
820 | (defbinding surface-create-similar () surface |
821 | (other surface) |
822 | (format surface-format ) |
823 | (width int) |
824 | (height int)) |
825 | |
826 | (defbinding surface-finish () nil |
827 | (surface surface)) |
828 | |
829 | (defbinding surface-flush () nil |
830 | (surface surface)) |
831 | |
832 | (defbinding surface-get-font-options () nil |
833 | (surface surface) |
a82cea45 |
834 | ((make-instance 'font-options) font-options :in/return)) |
1ed0a2c5 |
835 | |
836 | (defbinding surface-set-device-offset () nil |
837 | (surface surface) |
838 | (x-offset double-float) |
839 | (y-offset double-float)) |
840 | |
841 | (defbinding surface-status () status |
842 | (surface surface)) |
843 | |
844 | (defbinding %surface-mark-dirty () nil |
845 | (surface surface)) |
846 | |
847 | (defbinding %surface-mark-dirty-rectangle () nil |
848 | (surface surface) |
849 | (x int) |
850 | (y int) |
851 | (width int) |
852 | (height int)) |
853 | |
854 | (defun surface-mark-dirty (surface &optional x y width height) |
855 | (if x |
856 | (%surface-mark-dirty-rectangle surface x y width height) |
857 | (%surface-mark-dirty surface))) |
858 | |
81240b33 |
859 | (defbinding surface-set-fallback-resolution () nil |
860 | (surface surface) |
861 | (x-pixels-per-inch double-float) |
862 | (y-pixels-per-inch double-float)) |
1ed0a2c5 |
863 | |
2e86f0c9 |
864 | (define-callback stream-write-func status |
865 | ((stream-id pointer-data) (data pointer) (length unsigned-int)) |
866 | (let ((stream (find-user-data stream-id))) |
867 | (typecase stream |
868 | (stream |
869 | (map-c-vector 'nil #'(lambda (octet) (write-byte octet stream)) |
870 | data '(unsigned-byte 8) length)) |
871 | ((or symbol function) |
872 | (funcall stream |
873 | (map-c-vector 'vector #'identity data '(unsigned-byte 8) length))))) |
874 | :success) |
875 | |
7d6c9b98 |
876 | (define-callback stream-read-func status |
877 | ((stream-id pointer-data) (data pointer) (length unsigned-int)) |
06ce78c6 |
878 | (block stream-read |
879 | (let ((stream (find-user-data stream-id))) |
880 | (typecase stream |
881 | (stream |
882 | (loop for i below length do |
883 | (let ((byte (read-byte stream nil))) |
884 | (if byte |
885 | (setf (gffi::ref-uint-8 data i) byte) |
886 | (return-from stream-read :read-error))))) |
887 | ((or symbol function) (funcall stream data length)))) |
888 | :success)) |
7d6c9b98 |
889 | |
1ed0a2c5 |
890 | |
a622ac46 |
891 | (defmacro with-surface ((surface cr) &body body) |
892 | `(let ((,cr (make-instance 'context :target ,surface))) |
893 | ,@body)) |
894 | |
895 | |
1ed0a2c5 |
896 | ;; Image Surface |
897 | |
898 | ;; Should data be automatically freed when the surface is GCed? |
7d6c9b98 |
899 | (defmethod allocate-foreign ((surface image-surface) &key stream filename |
900 | width height stride format data) |
2e86f0c9 |
901 | (cond |
7d6c9b98 |
902 | (stream |
903 | (let ((stream-id (register-user-data stream))) |
904 | (unwind-protect |
905 | (%image-surface-create-from-png-stream stream-id) |
906 | (destroy-user-data stream-id)))) |
2e86f0c9 |
907 | (filename (%image-surface-create-from-png filename)) |
908 | ((not data) (%image-surface-create format width height)) |
909 | (t |
c1a5cdbb |
910 | (%image-surface-create-for-data data format width height |
911 | (or |
912 | stride |
913 | (let ((element-size (cdr (assoc format '((:argb32 . 4) (:rgb24 . 4) (:a8 . 1) (:a1 1/8)))))) |
2e86f0c9 |
914 | (ceiling (* width element-size)))))))) |
1ed0a2c5 |
915 | |
916 | |
2e86f0c9 |
917 | (defbinding %image-surface-create () pointer |
1ed0a2c5 |
918 | (format surface-format) |
919 | (width int) |
920 | (hegit int)) |
921 | |
2e86f0c9 |
922 | (defbinding %image-surface-create-for-data () pointer |
1ed0a2c5 |
923 | (data pointer) |
924 | (format surface-format) |
925 | (width int) |
926 | (hegit int) |
927 | (stride int)) |
928 | |
2e86f0c9 |
929 | (defbinding %image-surface-create-from-png () pointer |
930 | (filename pathname)) |
1ed0a2c5 |
931 | |
7d6c9b98 |
932 | (defbinding %image-surface-create-from-png-stream (stream) pointer |
933 | (stream-read-func callback) |
934 | (stream pointer-data)) |
935 | |
2e86f0c9 |
936 | (defbinding surface-write-to-png () status |
937 | (surface surface) |
938 | (filename pathname)) |
939 | |
940 | |
7d6c9b98 |
941 | (defbinding %surface-write-to-png-stream (surface stream) status |
942 | (surface surface) |
943 | (stream-write-func callback) |
944 | (stream pointer-data)) |
2e86f0c9 |
945 | |
7d6c9b98 |
946 | (defun surface-write-to-png-stream (surface stream) |
947 | (let ((stream-id (register-user-data stream))) |
948 | (unwind-protect |
949 | (%surface-write-to-png-stream surface stream-id) |
950 | (destroy-user-data stream-id)))) |
2e86f0c9 |
951 | |
952 | |
7d6c9b98 |
953 | ;;; Virtual size surface (abstract class) |
954 | |
955 | (defmethod initialize-instance :after ((surface vector-surface) &key |
956 | width height) |
957 | (setf (user-data surface 'width) width) |
958 | (setf (user-data surface 'height) height)) |
959 | |
960 | (defmethod surface-width ((surface vector-surface)) |
961 | (user-data surface 'width)) |
962 | |
963 | (defmethod surface-height ((surface vector-surface)) |
964 | (user-data surface 'height)) |
965 | |
966 | |
967 | (defun allocate-vector-surface (surface-create surface-create-for-stream |
968 | &key output filename stream width height) |
969 | (let ((location |
970 | (cond |
971 | ((/= (count-if #'identity (list output filename stream)) 1) |
972 | (error "One and only one of the arguments :OUTPUT, :FILENAME and :STREAM shoud be specified")) |
973 | (filename (funcall surface-create filename width height)) |
974 | ((typep output '(or string pathname)) |
975 | (%svg-surface-create output width height)) |
976 | (t |
977 | (let* ((stream-id (register-user-data (or stream output))) |
978 | (location (funcall surface-create-for-stream |
979 | stream-id width height))) |
980 | (%surface-set-user-data location 'stream stream-id) |
981 | location))))) |
982 | location)) |
983 | |
984 | |
985 | ;;; PDF Surface |
986 | |
987 | (defmethod allocate-foreign ((surface pdf-surface) &rest args) |
988 | (apply #'allocate-vector-surface |
989 | #'%pdf-surface-create #'%pdf-surface-create-for-stream args)) |
990 | |
2e86f0c9 |
991 | (defbinding %pdf-surface-create () pointer |
992 | (filename pathname) |
993 | (width double-float) |
994 | (height double-float)) |
995 | |
996 | (defbinding %pdf-surface-create-for-stream (stream width height) pointer |
997 | (stream-write-func callback) |
998 | (stream pointer-data) |
999 | (width double-float) |
1000 | (height double-float)) |
1001 | |
1002 | (defbinding pdf-surface-set-size () nil |
1003 | (surface pdf-surface) |
1004 | (width double-float) |
1005 | (height double-float)) |
1006 | |
1007 | |
1008 | ;;; PS Surface |
1009 | |
7d6c9b98 |
1010 | (defmethod allocate-foreign ((surface ps-surface) &rest args) |
1011 | (apply #'allocate-vector-surface |
1012 | #'%ps-surface-create #'%ps-surface-create-for-stream args)) |
2e86f0c9 |
1013 | |
1014 | (defbinding %ps-surface-create () pointer |
1015 | (filename pathname) |
1016 | (width double-float) |
1017 | (height double-float)) |
1018 | |
1019 | (defbinding %ps-surface-create-for-stream (stream width height) pointer |
1020 | (stream-write-func callback) |
1021 | (stream pointer-data) |
1022 | (width double-float) |
1023 | (height double-float)) |
1024 | |
1025 | (defbinding ps-surface-set-size () nil |
1026 | (surface ps-surface) |
1027 | (width double-float) |
1028 | (height double-float)) |
1029 | |
1030 | (defbinding ps-surface-dsc-begin-setup () nil |
1031 | (surface ps-surface)) |
1032 | |
1033 | (defbinding ps-surface-dsc-begin-page-setup () nil |
1034 | (surface ps-surface)) |
1035 | |
1036 | (defbinding ps-surface-dsc-comment () nil |
1037 | (surface ps-surface) |
1038 | (comment string)) |
1039 | |
1040 | |
1041 | ;;; SVG Surface |
1042 | |
7d6c9b98 |
1043 | (defmethod allocate-foreign ((surface svg-surface) &rest args) |
1044 | (apply #'allocate-vector-surface |
1045 | #'%svg-surface-create #'%svg-surface-create-for-stream args)) |
2e86f0c9 |
1046 | |
1047 | (defbinding %svg-surface-create () pointer |
1048 | (filename pathname) |
1049 | (width double-float) |
1050 | (height double-float)) |
1051 | |
1052 | (defbinding %svg-surface-create-for-stream (stream width height) pointer |
1053 | (stream-write-func callback) |
1054 | (stream pointer-data) |
1055 | (width double-float) |
1056 | (height double-float)) |
1057 | |
1058 | (defbinding svg-surface-restrict-to-version () nil |
1059 | (surface svg-surface) |
1060 | (version svg-version)) |
1ed0a2c5 |
1061 | |
1062 | |
1063 | |
1064 | ;;; Matrices |
1065 | |
7d6c9b98 |
1066 | (defbinding matrix-init (xx yx xy yy x0 y0 &optional (matrix (make-instance 'matrix))) nil |
a82cea45 |
1067 | (matrix matrix :in/return) |
1ed0a2c5 |
1068 | (xx double-float) (yx double-float) |
1069 | (xy double-float) (yy double-float) |
1070 | (x0 double-float) (y0 double-float)) |
1071 | |
2e86f0c9 |
1072 | (defbinding matrix-init-identity (&optional (matrix (make-instance 'matrix))) nil |
a82cea45 |
1073 | (matrix matrix :in/return)) |
1ed0a2c5 |
1074 | |
a622ac46 |
1075 | (defun identity-matrix-p (matrix) |
1076 | (with-slots (xx yx xy yy x0 y0) matrix |
1077 | (and |
1078 | (= xx 1.0d0) (= yx 0.0d0) (= xy 0.0d0) |
1079 | (= yy 1.0d0) (= x0 0.0d0) (= y0 0.0d0)))) |
1080 | |
7d6c9b98 |
1081 | (defbinding matrix-init-translate (tx ty &optional (matrix (make-instance 'matrix))) nil |
a82cea45 |
1082 | (matrix matrix :in/return) |
1ed0a2c5 |
1083 | (tx double-float) |
1084 | (ty double-float)) |
1085 | |
7d6c9b98 |
1086 | (defbinding matrix-init-scale (sx &optional (sy sx) (matrix (make-instance 'matrix))) nil |
a82cea45 |
1087 | (matrix matrix :in/return) |
1ed0a2c5 |
1088 | (sx double-float) |
1089 | (sy double-float)) |
1090 | |
7d6c9b98 |
1091 | (defbinding matrix-init-rotate (rotation &optional (matrix (make-instance 'matrix))) nil |
a82cea45 |
1092 | (matrix matrix :in/return) |
7d6c9b98 |
1093 | (rotation double-float)) |
1ed0a2c5 |
1094 | |
1095 | (defbinding matrix-translate () nil |
a82cea45 |
1096 | (matrix matrix :in/return) |
1ed0a2c5 |
1097 | (tx double-float) |
1098 | (ty double-float)) |
1099 | |
a622ac46 |
1100 | (defbinding matrix-scale (matrix sx &optional (sy sx)) nil |
a82cea45 |
1101 | (matrix matrix :in/return) |
1ed0a2c5 |
1102 | (sx double-float) |
1103 | (sy double-float)) |
1104 | |
1105 | (defbinding matrix-rotate () nil |
a82cea45 |
1106 | (matrix matrix :in/return) |
7d6c9b98 |
1107 | (rotation double-float)) |
1ed0a2c5 |
1108 | |
1109 | (defbinding matrix-invert () nil |
a82cea45 |
1110 | (matrix matrix :in/return)) |
1ed0a2c5 |
1111 | |
1112 | (defbinding matrix-multiply () nil |
1113 | (result matrix :out) |
1114 | (a matrix) |
1115 | (b matrix)) |
1116 | |
a622ac46 |
1117 | (defbinding matrix-transform-distance (matrix dx &optional (dy dx)) nil |
1118 | (matrix matrix) |
1119 | (dx double-float :in/out) |
1120 | (dy double-float :in/out)) |
1ed0a2c5 |
1121 | |
1122 | (defbinding matrix-transform-point () nil |
a622ac46 |
1123 | (matrix matrix) |
1124 | (x double-float :in/out) |
1125 | (y double-float :in/out)) |
9d1e38a0 |
1126 | |
1127 | |
1128 | ;; Version information |
1129 | |
1130 | (defbinding %version () int) |
1131 | |
1132 | (defun version () |
1133 | (let ((version (%version))) |
1134 | (values |
1135 | (mod (truncate version 10000) 100) |
1136 | (mod (truncate version 100) 100) |
1137 | (mod version 100)))) |
1138 | |
1139 | (defbinding version-string () (static string)) |