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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 | |
c1a5cdbb |
23 | ;; $Id: cairo.lisp,v 1.5 2006-02-09 22:30:39 espen Exp $ |
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24 | |
25 | (in-package "CAIRO") |
26 | |
27 | (eval-when (:compile-toplevel :load-toplevel :execute) |
28 | (define-enum-type surface-format :argb32 :rgb24 :a8 :a1) |
29 | |
30 | (define-enum-type status |
31 | :success :no-memory :invalid-restore :invalid-pop-group |
32 | :no-current-point :invalid-matrix :invalid-status :null-pointer |
33 | :invalid-string :invalid-path-data :read-error :write-error |
34 | :surface-finished :surface-type-mismatch :pattern-type-mismatch |
35 | :invalid-content :invalid-format :invalid-visual :file-not-found |
36 | :invalid-dash) |
37 | |
38 | (define-enum-type fill-rule :winding :even-odd) |
39 | (define-enum-type line-cap :butt :round :square) |
40 | (define-enum-type line-join :miter :round :bevel) |
41 | (define-enum-type font-slant :normal :itaic :oblique) |
42 | (define-enum-type font-weight :normal :bold) |
43 | |
44 | (define-enum-type operator |
45 | :clear :source :over :in :out :atop :dest :dest-over |
46 | :dest-in :dest-out :dest-atop :xor :add :saturate) |
47 | |
48 | (define-enum-type antialias :default :none :gray :subpixel) |
49 | (define-enum-type extend :none :repeat :reflect) |
50 | (define-enum-type filter :fast :good :best :nearest :bilinear :gaussian) |
51 | (define-enum-type subpixel-order :default :rgb :bgr :vrgb :vbgr) |
52 | (define-enum-type hint-style :default :none :slight :medium :full) |
53 | (define-enum-type hint-metrics :default :off :on) |
54 | |
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55 | (defclass glyph (struct) |
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56 | ((index |
57 | :allocation :alien |
58 | :initarg :index |
59 | :accessor glyph-index |
60 | :type unsigned-long) |
61 | (x |
62 | :allocation :alien |
63 | :initarg :x |
64 | :accessor glyph-x |
65 | :type double-float) |
66 | (y |
67 | :allocation :alien |
68 | :initarg :y |
69 | :accessor glyph-y |
70 | :type double-float)) |
71 | (:metaclass struct-class)) |
72 | |
73 | (defclass font-face (proxy) |
74 | () |
75 | (:metaclass proxy-class)) |
76 | |
77 | (defclass font-options (proxy) |
78 | ((antialias |
79 | :allocation :virtual |
80 | :getter "font_options_get_antialias" |
81 | :setter "font_options_set_antialias" |
82 | :accessor font-options-antialias |
83 | :type antialias) |
84 | (subpixel-order |
85 | :allocation :virtual |
86 | :getter "font_options_get_subpixel_order" |
87 | :setter "font_options_set_subpixel_order" |
88 | :accessor font-options-subpixel-order |
89 | :type subpixel-order) |
90 | (hint-style |
91 | :allocation :virtual |
92 | :getter "font_options_get_hint_style" |
93 | :setter "font_options_set_hint_style" |
94 | :accessor font-options-hint-style |
95 | :type hint-style) |
96 | (hint-metrics |
97 | :allocation :virtual |
98 | :getter "font_options_get_hint_metrics" |
99 | :setter "font_options_set_hint_metrics" |
100 | :accessor font-options-hint-metrics |
101 | :type hint-metrics)) |
102 | (:metaclass proxy-class)) |
103 | |
104 | (defclass scaled-font (proxy) |
105 | () |
106 | (:metaclass proxy-class)) |
107 | |
108 | (defclass matrix (struct) |
109 | ((xx :allocation :alien :initarg :xx :initform 1.0 |
110 | :accessor matrix-xx :type double-float) |
111 | (yx :allocation :alien :initarg :yx :initform 0.0 |
112 | :accessor matrix-yx :type double-float) |
113 | (xy :allocation :alien :initarg :xy :initform 1.0 |
114 | :accessor matrix-xy :type double-float) |
115 | (yy :allocation :alien :initarg :yy :initform 0.0 |
116 | :accessor matrix-yy :type double-float) |
117 | (x0 :allocation :alien :initarg :x0 :initform 0.0 |
118 | :accessor matrix-x0 :type double-float) |
119 | (y0 :allocation :alien :initarg :y0 :initform 0.0 |
120 | :accessor matrix-y0 :type double-float)) |
121 | (:metaclass struct-class)) |
122 | |
123 | |
124 | (defclass text-extents (struct) |
125 | ((x-bearing :allocation :alien :reader text-extents-x-bearing :type double-float) |
126 | (y-bearing :allocation :alien :reader text-extents-y-bearing :type double-float) |
127 | (width :allocation :alien :reader text-extents-width :type double-float) |
128 | (height :allocation :alien :reader text-extents-height :type double-float) |
129 | (x-advance :allocation :alien :reader text-extents-x-advance :type double-float) |
130 | (y-advance :allocation :alien :reader text-extents-y-advance :type double-float)) |
131 | (:metaclass struct-class)) |
132 | |
133 | (defclass pattern (proxy) |
134 | ((extend |
135 | :allocation :virtual |
136 | :getter "cairo_pattern_get_extend" |
137 | :setter "cairo_pattern_set_extend" |
138 | :accessor pattern-extend |
139 | :type extend) |
140 | (filter |
141 | :allocation :virtual |
142 | :getter "cairo_pattern_get_filter" |
143 | :setter "cairo_pattern_set_filter" |
144 | :accessor pattern-filter |
145 | :type filter) |
146 | (matrix |
147 | :allocation :virtual |
148 | :getter "cairo_pattern_get_matrix" |
149 | :setter "cairo_pattern_set_matrix" |
150 | :accessor pattern-matrix |
151 | :type matrix)) |
152 | (:metaclass proxy-class)) |
153 | |
154 | (defclass context (proxy) |
155 | ((target |
156 | :allocation :virtual |
157 | :getter "cairo_get_target" |
158 | :reader target |
159 | :type surface) |
160 | (source |
161 | :allocation :virtual |
162 | :getter "cairo_get_source" |
163 | :setter "cairo_set_source" |
164 | :accessor source |
165 | :type pattern) |
166 | (antialias |
167 | :allocation :virtual |
168 | :getter "cairo_get_antialias" |
169 | :setter "cairo_set_antialias" |
170 | :accessor antialias |
171 | :type antialias) |
172 | (tolerance |
173 | :allocation :virtual |
174 | :getter "cairo_get_tolerance" |
175 | :setter "cairo_set_tolerance" |
176 | :accessor tolerance |
177 | :type double-float) |
178 | (fill-rule |
179 | :allocation :virtual |
180 | :getter "cairo_get_fill_rule" |
181 | :setter "cairo_set_fill_rule" |
182 | :accessor fill-rule |
183 | :type fill-rule) |
184 | (line-width |
185 | :allocation :virtual |
186 | :getter "cairo_get_line_width" |
187 | :setter "cairo_set_line_width" |
188 | :accessor line-width |
189 | :type double-float) |
190 | (line-cap |
191 | :allocation :virtual |
192 | :getter "cairo_get_line_cap" |
193 | :setter "cairo_set_line_cap" |
194 | :accessor line-cap |
195 | :type line-cap) |
196 | (line-join |
197 | :allocation :virtual |
198 | :getter "cairo_get_line_join" |
199 | :setter "cairo_set_line_join" |
200 | :accessor line-join |
201 | :type line-join) |
202 | (miter-limit |
203 | :allocation :virtual |
204 | :getter "cairo_get_miter_limit" |
205 | :setter "cairo_set_miter_limit" |
206 | :accessor miter-limit |
207 | :type double-float) |
208 | (font-matrix |
209 | :allocation :virtual |
210 | :getter "cairo_get_font_matrix" |
211 | :setter "cairo_set_font_matrix" |
212 | :accessor font-matrix |
213 | :type matrix) |
214 | (font-options |
215 | :allocation :virtual |
216 | :getter "cairo_get_font_options" |
217 | :setter "cairo_set_font_options" |
218 | :accessor font-options |
219 | :type font-options) |
220 | (font-face |
221 | :allocation :virtual |
222 | :getter "cairo_get_font_face" |
223 | :setter "cairo_set_font_face" |
224 | :accessor font-face |
225 | :type font-face) |
226 | (operator |
227 | :allocation :virtual |
228 | :getter "cairo_get_operator" |
229 | :setter "cairo_set_operator" |
230 | :accessor operator |
231 | :type operator) |
232 | (matrix |
233 | :allocation :virtual |
234 | :getter matrix |
235 | :setter "cairo_set_matrix" |
236 | :writer (setf matrix) |
237 | :type matrix) |
238 | ) |
239 | (:metaclass proxy-class)) |
240 | |
241 | (defclass surface (proxy) |
242 | () |
243 | (:metaclass proxy-class)) |
244 | |
245 | (defclass image-surface (surface) |
246 | ((width |
247 | :allocation :virtual |
248 | :getter "cairo_image_surface_get_width" |
249 | :reader surface-width |
250 | :type int) |
251 | (height |
252 | :allocation :virtual |
253 | :getter "cairo_image_surface_get_height" |
254 | :reader surface-height |
255 | :type int)) |
256 | (:metaclass proxy-class)) |
257 | |
258 | ;; (defclass path (proxy) |
259 | ;; () |
260 | ;; (:metaclass proxy-class)) |
261 | |
262 | ) |
263 | |
264 | |
265 | ;;; Cairo context |
266 | |
267 | (defbinding %reference () nil |
268 | (location pointer)) |
269 | |
270 | (defbinding %destroy () nil |
271 | (location pointer)) |
272 | |
273 | (defmethod reference-foreign ((class (eql (find-class 'context))) location) |
274 | (%reference location)) |
275 | |
276 | (defmethod unreference-foreign ((class (eql (find-class 'context))) location) |
277 | (%destroy location)) |
278 | |
279 | (defbinding (save-context "cairo_save") () nil |
280 | (cr context)) |
281 | |
282 | (defbinding (restore-context "cairo_restore") () nil |
283 | (cr context)) |
284 | |
285 | (defmacro with-context ((cr) &body body) |
286 | (let ((context (make-symbol "CONTEXT"))) |
287 | `(let ((,context ,cr)) |
288 | (save-context ,context) |
289 | (unwind-protect |
290 | (progn ,@body) |
291 | (restore-context ,context))))) |
292 | |
293 | (defbinding status () status |
294 | (cr context)) |
295 | |
296 | (defbinding (set-source-color "cairo_set_source_rgba") (cr red green blue &optional (alpha 1.0)) nil |
297 | (cr context) |
298 | (red double-float) |
299 | (green double-float) |
300 | (blue double-float) |
301 | (alpha double-float)) |
302 | |
303 | (defbinding set-source-surface () nil |
304 | (cr context) |
305 | (surface surface) |
306 | (x double-float) |
307 | (y double-float)) |
308 | |
309 | (defbinding set-dash (cr dashes &optional (offset 0.0)) nil |
310 | (cr context) |
311 | (dashes (vector double-float)) |
312 | ((length dashes) int) |
313 | (offset double-float)) |
314 | |
315 | (defbinding (paint "cairo_paint_with_alpha") (cr &optional (alpha 1.0)) nil |
316 | (cr context) |
317 | (alpha double-float)) |
318 | |
319 | (defbinding mask () nil |
320 | (cr context) |
321 | (pattern pattern)) |
322 | |
323 | (defbinding mask-surface () nil |
324 | (cr context) |
325 | (surface surface) |
326 | (surface-x double-float) |
327 | (surface-y double-float)) |
328 | |
329 | (defmacro defoperator (name &optional clip-p) |
330 | (let ((iname (intern (format nil "%~A" name))) |
331 | (pname (intern (format nil "%~A-PRESERVE" name)))) |
332 | `(progn |
333 | (defbinding ,iname () nil |
334 | (cr context)) |
335 | (defbinding ,pname () nil |
336 | (cr context)) |
337 | (defun ,name (cr &optional preserve) |
338 | (if preserve |
339 | (,pname cr) |
340 | (,iname cr))) |
341 | ,(unless clip-p |
2f60440d |
342 | (let ((tname (intern (format nil "IN-~A-P" name))) |
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343 | (ename (intern (format nil "~A-EXTENTS" name)))) |
344 | `(progn |
345 | (defbinding ,tname () boolean |
346 | (cr context) |
347 | (x double-float) |
348 | (y double-float)) |
349 | (defbinding ,ename () boolean |
350 | (cr context) |
351 | (x1 double-float :out) |
352 | (y1 double-float :out) |
353 | (x2 double-float :out) |
354 | (y2 double-float :out)))))))) |
355 | |
356 | (defoperator clip t) |
357 | (defoperator stroke) |
358 | (defoperator fill) |
359 | |
360 | (defbinding reset-clip () nil |
361 | (cr context)) |
362 | |
363 | (defbinding copy-page () nil |
364 | (cr context)) |
365 | |
366 | (defbinding show-page () nil |
367 | (cr context)) |
368 | |
369 | |
370 | ;;; Paths |
371 | |
372 | (defbinding get-current-point () nil |
373 | (cr context) |
374 | (x double-float :out) |
375 | (y double-float :out)) |
376 | |
377 | (defbinding new-path () nil |
378 | (cr context)) |
379 | |
380 | (defbinding close-path () nil |
381 | (cr context)) |
382 | |
383 | (defbinding arc () nil |
384 | (cr context) |
385 | (xc double-float) |
386 | (yc double-float) |
387 | (radius double-float) |
388 | (angle1 double-float) |
389 | (angle2 double-float)) |
390 | |
391 | (defbinding arc-negative () nil |
392 | (cr context) |
393 | (xc double-float) |
394 | (yc double-float) |
395 | (radius double-float) |
396 | (angle1 double-float) |
397 | (angle2 double-float)) |
398 | |
399 | (defun circle (cr x y radius) |
400 | (arc cr x y radius 0.0 (* pi 2))) |
401 | |
402 | (defmacro defpath (name &rest args) |
403 | (let ((relname (intern (format nil "REL-~A" name)))) |
404 | `(progn |
405 | (defbinding ,name () nil |
406 | (cr context) |
407 | ,@args) |
408 | (defbinding ,relname () nil |
409 | (cr context) |
410 | ,@args)))) |
411 | |
412 | (defpath curve-to |
413 | (x1 double-float) |
414 | (y1 double-float) |
415 | (x2 double-float) |
416 | (y2 double-float) |
417 | (x3 double-float) |
418 | (y3 double-float)) |
419 | |
420 | (defpath line-to |
421 | (x double-float) |
422 | (y double-float)) |
423 | |
424 | (defpath move-to |
425 | (x double-float) |
426 | (y double-float)) |
427 | |
428 | (defbinding rectangle () nil |
429 | (cr context) |
430 | (x double-float) |
431 | (y double-float) |
432 | (width double-float) |
433 | (height double-float)) |
434 | |
435 | (defbinding glyph-path (cr glyphs) nil |
436 | (cr context) |
437 | (glyphs (vector glyph)) |
438 | ((length glyphs) int)) |
439 | |
440 | (defbinding text-path () nil |
441 | (cr context) |
442 | (text string)) |
443 | |
444 | |
445 | |
446 | ;;; Patterns |
447 | |
448 | (defbinding (pattern-add-color-stop "cairo_pattern_add_color_stop_rgba") |
449 | (pattern offset red green blue &optional (alpha 1.0)) nil |
450 | (pattern pattern) |
451 | (offset double-float) |
452 | (red double-float) |
453 | (green double-float) |
454 | (blue double-float) |
455 | (alpha double-float)) |
456 | |
457 | (defbinding (pattern-create "cairo_pattern_create_rgba") |
458 | (red green blue &optional (alpha 1.0)) pattern |
459 | (red double-float) |
460 | (green double-float) |
461 | (blue double-float) |
462 | (alpha double-float)) |
463 | |
464 | (defbinding pattern-create-for-surface () pattern |
465 | (surface surface)) |
466 | |
467 | (defbinding pattern-create-linear () pattern |
468 | (x0 double-float) |
469 | (y0 double-float) |
470 | (x1 double-float) |
471 | (y1 double-float)) |
472 | |
473 | (defbinding pattern-create-radial () pattern |
474 | (cx0 double-float) |
475 | (cy0 double-float) |
476 | (radius0 double-float) |
477 | (cx1 double-float) |
478 | (cy1 double-float) |
479 | (radius1 double-float)) |
480 | |
481 | (defbinding %pattern-reference () nil |
482 | (location pointer)) |
483 | |
484 | (defbinding %pattern-destroy () nil |
485 | (location pointer)) |
486 | |
487 | (defmethod reference-foreign ((class (eql (find-class 'pattern))) location) |
488 | (%pattern-reference location)) |
489 | |
490 | (defmethod unreference-foreign ((class (eql (find-class 'pattern))) location) |
491 | (%pattern-destroy location)) |
492 | |
493 | (defbinding pattern-status () status |
494 | (pattern pattern)) |
495 | |
496 | |
497 | |
498 | ;;; Transformations |
499 | |
500 | (defbinding translate () nil |
501 | (cr context) |
502 | (tx double-float) |
503 | (ty double-float)) |
504 | |
505 | (defbinding scale () nil |
506 | (cr context) |
507 | (sx double-float) |
508 | (sy double-float)) |
509 | |
510 | (defbinding rotate () nil |
511 | (cr context) |
512 | (angle double-float)) |
513 | |
514 | (defbinding transform () nil |
515 | (cr context) |
516 | (matrix matrix)) |
517 | |
518 | (defbinding (matrix "cairo_get_matrix") () nil |
519 | (cr context) |
520 | ((make-instance 'matrix) matrix :return)) |
521 | |
522 | (defbinding identity-matrix () nil |
523 | (cr context)) |
524 | |
525 | (defbinding user-to-device () nil |
526 | (cr context) |
527 | (x double-float :in-out) |
528 | (y double-float :in-out)) |
529 | |
530 | (defbinding user-to-device-distance () nil |
531 | (cr context) |
532 | (dx double-float :in-out) |
533 | (dy double-float :in-out)) |
534 | |
535 | (defbinding device-to-user () nil |
536 | (cr context) |
537 | (x double-float :in-out) |
538 | (y double-float :in-out)) |
539 | |
540 | (defbinding device-to-user-distance () nil |
541 | (cr context) |
542 | (dx double-float :in-out) |
543 | (dy double-float :in-out)) |
544 | |
545 | |
546 | ;;; Text |
547 | |
548 | (defbinding select-font-face () nil |
549 | (cr context) |
550 | (family string) |
551 | (slant font-slant) |
552 | (weight font-weight)) |
553 | |
554 | (defbinding set-font-size () nil |
555 | (cr context) |
556 | (size double-float)) |
557 | |
558 | (defbinding show-text () nil |
559 | (cr context) |
560 | (text string)) |
561 | |
562 | (defbinding show-glyphs () nil |
563 | (cr context) |
564 | (glyphs (vector glyph)) |
565 | ((length glyphs) int)) |
566 | |
567 | (defbinding font-extents () boolean |
568 | (cr context)) |
569 | |
570 | (defbinding text-extents (cr text &optional (extents (make-instance 'text-extents))) nil |
571 | (cr context) |
572 | (text string) |
573 | (extents text-extents :return)) |
574 | |
575 | (defbinding glyph-extents (cr glyphs &optional (extents (make-instance 'text-extents))) nil |
576 | (cr context) |
577 | (glyphs (vector glyph)) |
578 | ((length glyphs) int) |
579 | (extents text-extents :return)) |
580 | |
581 | |
582 | ;;; Fonts |
583 | |
584 | (defbinding %font-face-reference () nil |
585 | (location pointer)) |
586 | |
587 | (defbinding %font-face-destroy () nil |
588 | (location pointer)) |
589 | |
590 | (defmethod reference-foreign ((class (eql (find-class 'font-face))) location) |
591 | (%font-face-reference location)) |
592 | |
593 | (defmethod unreference-foreign ((class (eql (find-class 'font-face))) location) |
594 | (%font-face-destroy location)) |
595 | |
596 | (defbinding font-face-status () status |
597 | (font-face font-face)) |
598 | |
599 | |
600 | |
601 | ;;; Scaled Fonts |
602 | |
603 | (defbinding %scaled-font-reference () nil |
604 | (location pointer)) |
605 | |
606 | (defbinding %scaled-font-destroy () nil |
607 | (location pointer)) |
608 | |
609 | (defmethod reference-foreign ((class (eql (find-class 'scaled-font))) location) |
610 | (%scaled-font-reference location)) |
611 | |
612 | (defmethod unreference-foreign ((class (eql (find-class 'scaled-font))) location) |
613 | (%scaled-font-destroy location)) |
614 | |
615 | (defbinding scaled-font-status () status |
616 | (scaled-font scaled-font)) |
617 | |
618 | (defbinding scaled-font-extents (scaled-font &optional (extents (make-instance 'text-extents))) nil |
619 | (scaled-font scaled-font) |
620 | (extents text-extents :return)) |
621 | |
622 | (defbinding scaled-font-glyph-extents (scaled-font glyphs &optional (extents (make-instance 'text-extents))) nil |
623 | (scaled-font scaled-font) |
624 | (glyphs (vector glyph)) |
625 | ((length glyphs) int) |
626 | (extents text-extents :return)) |
627 | |
628 | (defbinding %scaled-font-create () pointer |
629 | (font-face font-face) |
630 | (font-matrix matrix) |
631 | (ctm matrix) |
632 | (options font-options)) |
633 | |
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634 | (defmethod allocate-foreign ((scaled-font scaled-font) &key font-face font-matrix cmt options) |
635 | (%scaled-font-create font-face font-matrix cmt options)) |
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636 | |
637 | |
638 | |
639 | ;;; Font Options |
640 | |
641 | |
642 | (defbinding %font-options-copy () nil |
643 | (location pointer)) |
644 | |
645 | (defbinding %font-options-destroy () nil |
646 | (location pointer)) |
647 | |
648 | (defmethod reference-foreign ((class (eql (find-class 'font-options))) location) |
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649 | (%font-options-copy location)) |
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650 | |
651 | (defmethod unreference-foreign ((class (eql (find-class 'font-options))) location) |
652 | (%font-options-destroy location)) |
653 | |
654 | (defbinding font-options-status () status |
655 | (font-options font-options)) |
656 | |
657 | (defbinding %font-options-create () pointer) |
658 | |
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659 | (defmethod allocate-foreign ((font-options font-options) &rest initargs) |
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660 | (declare (ignore initargs)) |
c1a5cdbb |
661 | (%font-options-create)) |
1ed0a2c5 |
662 | |
663 | (defbinding font-options-merge () nil |
664 | (options1 font-options :return) |
665 | (options2 font-options)) |
666 | |
667 | (defbinding font-options-hash () unsigned-int |
668 | (options font-options)) |
669 | |
670 | (defbinding font-options-equal-p () boolean |
671 | (options1 font-options) |
672 | (options2 font-options)) |
673 | |
674 | |
675 | |
676 | ;;; Surfaces |
677 | |
678 | (defbinding %surface-reference () nil |
679 | (location pointer)) |
680 | |
681 | (defbinding %surface-destroy () nil |
682 | (location pointer)) |
683 | |
684 | (defmethod reference-foreign ((class (eql (find-class 'surface))) location) |
685 | (%surface-reference location)) |
686 | |
687 | (defmethod unreference-foreign ((class (eql (find-class 'surface))) location) |
688 | (%surface-destroy location)) |
689 | |
690 | (defbinding surface-create-similar () surface |
691 | (other surface) |
692 | (format surface-format ) |
693 | (width int) |
694 | (height int)) |
695 | |
696 | (defbinding surface-finish () nil |
697 | (surface surface)) |
698 | |
699 | (defbinding surface-flush () nil |
700 | (surface surface)) |
701 | |
702 | (defbinding surface-get-font-options () nil |
703 | (surface surface) |
704 | ((make-instance 'font-options) font-options :return)) |
705 | |
706 | (defbinding surface-set-device-offset () nil |
707 | (surface surface) |
708 | (x-offset double-float) |
709 | (y-offset double-float)) |
710 | |
711 | (defbinding surface-status () status |
712 | (surface surface)) |
713 | |
714 | (defbinding %surface-mark-dirty () nil |
715 | (surface surface)) |
716 | |
717 | (defbinding %surface-mark-dirty-rectangle () nil |
718 | (surface surface) |
719 | (x int) |
720 | (y int) |
721 | (width int) |
722 | (height int)) |
723 | |
724 | (defun surface-mark-dirty (surface &optional x y width height) |
725 | (if x |
726 | (%surface-mark-dirty-rectangle surface x y width height) |
727 | (%surface-mark-dirty surface))) |
728 | |
729 | |
730 | |
731 | ;; Image Surface |
732 | |
733 | ;; Should data be automatically freed when the surface is GCed? |
c1a5cdbb |
734 | (defmethod allocate-foreign ((surface image-surface) |
735 | &key width height stride format data) |
736 | (if (not data) |
737 | (%image-surface-create format width height) |
738 | (%image-surface-create-for-data data format width height |
739 | (or |
740 | stride |
741 | (let ((element-size (cdr (assoc format '((:argb32 . 4) (:rgb24 . 4) (:a8 . 1) (:a1 1/8)))))) |
742 | (ceiling (* width element-size))))))) |
1ed0a2c5 |
743 | |
744 | |
745 | (defbinding %image-surface-create () image-surface |
746 | (format surface-format) |
747 | (width int) |
748 | (hegit int)) |
749 | |
750 | (defbinding %image-surface-create-for-data () image-surface |
751 | (data pointer) |
752 | (format surface-format) |
753 | (width int) |
754 | (hegit int) |
755 | (stride int)) |
756 | |
757 | |
758 | |
759 | ;;; PNG Surface |
760 | |
761 | (defbinding image-surface-create-from-png (filename) image-surface |
762 | ((truename filename) pathname)) |
763 | |
764 | |
765 | |
766 | |
767 | ;;; Matrices |
768 | |
769 | (defbinding matrix-init () nil |
770 | (matrix matrix :return) |
771 | (xx double-float) (yx double-float) |
772 | (xy double-float) (yy double-float) |
773 | (x0 double-float) (y0 double-float)) |
774 | |
775 | (defbinding matrix-init-identity () nil |
776 | (matrix matrix :return)) |
777 | |
778 | (defbinding matrix-init-translate () nil |
779 | (matrix matrix :return) |
780 | (tx double-float) |
781 | (ty double-float)) |
782 | |
783 | (defbinding matrix-init-scale () nil |
784 | (matrix matrix :return) |
785 | (sx double-float) |
786 | (sy double-float)) |
787 | |
788 | (defbinding matrix-init-rotate () nil |
789 | (matrix matrix :return) |
790 | (radians double-float)) |
791 | |
792 | (defbinding matrix-translate () nil |
793 | (matrix matrix :return) |
794 | (tx double-float) |
795 | (ty double-float)) |
796 | |
797 | (defbinding matrix-scale () nil |
798 | (matrix matrix :return) |
799 | (sx double-float) |
800 | (sy double-float)) |
801 | |
802 | (defbinding matrix-rotate () nil |
803 | (matrix matrix :return) |
804 | (radians double-float)) |
805 | |
806 | (defbinding matrix-invert () nil |
807 | (matrix matrix :return)) |
808 | |
809 | (defbinding matrix-multiply () nil |
810 | (result matrix :out) |
811 | (a matrix) |
812 | (b matrix)) |
813 | |
814 | (defbinding matrix-transform-distance () nil |
815 | (matrix matrix :return) |
816 | (dx double-float) |
817 | (dy double-float)) |
818 | |
819 | (defbinding matrix-transform-point () nil |
820 | (matrix matrix :return) |
821 | (x double-float) |
822 | (y double-float)) |
823 | |
824 | |
825 | |