1 /* Base type for supported image formats. Subclass this to add a new
2  * format.
3  */
4 
5 /*
6 
7     This file is part of VIPS.
8 
9     VIPS is free software; you can redistribute it and/or modify
10     it under the terms of the GNU Lesser General Public License as published by
11     the Free Software Foundation; either version 2 of the License, or
12     (at your option) any later version.
13 
14     This program is distributed in the hope that it will be useful,
15     but WITHOUT ANY WARRANTY; without even the implied warranty of
16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17     GNU Lesser General Public License for more details.
18 
19     You should have received a copy of the GNU Lesser General Public License
20     along with this program; if not, write to the Free Software
21     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22     02110-1301  USA
23 
24  */
25 
26 /*
27 
28     These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
29 
30  */
31 
32 #ifndef VIPS_FOREIGN_H
33 #define VIPS_FOREIGN_H
34 
35 #ifdef __cplusplus
36 extern "C" {
37 #endif /*__cplusplus*/
38 
39 #define VIPS_TYPE_FOREIGN (vips_foreign_get_type())
40 #define VIPS_FOREIGN( obj ) \
41 	(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
42 	VIPS_TYPE_FOREIGN, VipsForeign ))
43 #define VIPS_FOREIGN_CLASS( klass ) \
44 	(G_TYPE_CHECK_CLASS_CAST( (klass), \
45 	VIPS_TYPE_FOREIGN, VipsForeignClass))
46 #define VIPS_IS_FOREIGN( obj ) \
47 	(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_FOREIGN ))
48 #define VIPS_IS_FOREIGN_CLASS( klass ) \
49 	(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_FOREIGN ))
50 #define VIPS_FOREIGN_GET_CLASS( obj ) \
51 	(G_TYPE_INSTANCE_GET_CLASS( (obj), \
52 	VIPS_TYPE_FOREIGN, VipsForeignClass ))
53 
54 typedef struct _VipsForeign {
55 	VipsOperation parent_object;
56 
57 	/*< public >*/
58 
59 } VipsForeign;
60 
61 typedef struct _VipsForeignClass {
62 	VipsOperationClass parent_class;
63 
64 	/*< public >*/
65 
66 	/* Loop over formats in this order, default 0. We need this because
67 	 * some formats can be read by several loaders (eg. tiff can be read
68 	 * by the libMagick loader as well as by the tiff loader), and we want
69 	 * to make sure the better loader comes first.
70 	 */
71 	int priority;
72 
73 	/* Null-terminated list of recommended suffixes, eg. ".tif", ".tiff".
74 	 * This can be used by both load and save, so it's in the base class.
75 	 */
76 	const char **suffs;
77 
78 } VipsForeignClass;
79 
80 /* Don't put spaces around void here, it breaks gtk-doc.
81  */
82 GType vips_foreign_get_type(void);
83 
84 /* Map over and find formats. This uses type introspection to loop over
85  * subclasses of VipsForeign.
86  */
87 void *vips_foreign_map( const char *base,
88 	VipsSListMap2Fn fn, void *a, void *b );
89 
90 /* Image file load properties.
91  *
92  * Keep in sync with the deprecated VipsFormatFlags, we need to be able to
93  * cast between them.
94  */
95 typedef enum /*< flags >*/ {
96 	VIPS_FOREIGN_NONE = 0,		/* No flags set */
97 	VIPS_FOREIGN_PARTIAL = 1,	/* Lazy read OK (eg. tiled tiff) */
98 	VIPS_FOREIGN_BIGENDIAN = 2,	/* Most-significant byte first */
99 	VIPS_FOREIGN_SEQUENTIAL = 4,	/* Top-to-bottom lazy read OK */
100 	VIPS_FOREIGN_ALL = 7		/* All flags set */
101 } VipsForeignFlags;
102 
103 /**
104  * VipsFailOn:
105  * @VIPS_FAIL_ON_NONE: never stop
106  * @VIPS_FAIL_ON_TRUNCATED: stop on image truncated, nothing else
107  * @VIPS_FAIL_ON_ERROR: stop on serious error or truncation
108  * @VIPS_FAIL_ON_WARNING: stop on anything, even warnings
109  *
110  * How sensitive loaders are to errors, from never stop (very insensitive), to
111  * stop on the smallest warning (very sensitive).
112  *
113  * Each one implies the ones before it, so #VIPS_FAIL_ON_ERROR implies
114  * #VIPS_FAIL_ON_TRUNCATED.
115  */
116 typedef enum {
117 	VIPS_FAIL_ON_NONE,
118 	VIPS_FAIL_ON_TRUNCATED,
119 	VIPS_FAIL_ON_ERROR,
120 	VIPS_FAIL_ON_WARNING,
121 	VIPS_FAIL_ON_LAST
122 } VipsFailOn;
123 
124 #define VIPS_TYPE_FOREIGN_LOAD (vips_foreign_load_get_type())
125 #define VIPS_FOREIGN_LOAD( obj ) \
126 	(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
127 	VIPS_TYPE_FOREIGN_LOAD, VipsForeignLoad ))
128 #define VIPS_FOREIGN_LOAD_CLASS( klass ) \
129 	(G_TYPE_CHECK_CLASS_CAST( (klass), \
130 	VIPS_TYPE_FOREIGN_LOAD, VipsForeignLoadClass))
131 #define VIPS_IS_FOREIGN_LOAD( obj ) \
132 	(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_FOREIGN_LOAD ))
133 #define VIPS_IS_FOREIGN_LOAD_CLASS( klass ) \
134 	(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_FOREIGN_LOAD ))
135 #define VIPS_FOREIGN_LOAD_GET_CLASS( obj ) \
136 	(G_TYPE_INSTANCE_GET_CLASS( (obj), \
137 	VIPS_TYPE_FOREIGN_LOAD, VipsForeignLoadClass ))
138 
139 typedef struct _VipsForeignLoad {
140 	VipsForeign parent_object;
141 	/*< private >*/
142 
143 	/* Set TRUE to force open via memory.
144 	 */
145 	gboolean memory;
146 
147 	/* Type of access upstream wants and the loader must supply.
148 	 */
149 	VipsAccess access;
150 
151 	/* Flags for this load operation.
152 	 */
153 	VipsForeignFlags flags;
154 
155 	/* Behaviour on error.
156 	 */
157 	VipsFailOn fail_on;
158 
159 	/* Deprecated and unused. Just here for compat.
160 	 */
161 	gboolean fail;
162 	gboolean sequential;
163 
164 	/*< public >*/
165 
166 	/* The image we generate. This must be set by ->header().
167 	 */
168 	VipsImage *out;
169 
170 	/* The behind-the-scenes real image we decompress to. This can be a
171 	 * disc file or a memory buffer. This must be set by ->load().
172 	 */
173 	VipsImage *real;
174 
175 	/* Set this to tag the operation as nocache.
176 	 */
177 	gboolean nocache;
178 
179 	/* Deprecated: the memory option used to be called disc and default
180 	 * TRUE.
181 	 */
182 	gboolean disc;
183 
184 	/* Set if a start function fails. We want to prevent the other starts
185 	 * from also triggering the load.
186 	 */
187 	gboolean error;
188 } VipsForeignLoad;
189 
190 typedef struct _VipsForeignLoadClass {
191 	VipsForeignClass parent_class;
192 	/*< public >*/
193 
194 	/* Is a file in this format.
195 	 *
196 	 * This function should return %TRUE if the file contains an image of
197 	 * this type. If you don't define this function, #VipsForeignLoad
198 	 * will use @suffs instead.
199 	 */
200 	gboolean (*is_a)( const char *filename );
201 
202 	/* Is a buffer in this format.
203 	 *
204 	 * This function should return %TRUE if the buffer contains an image of
205 	 * this type.
206 	 */
207 	gboolean (*is_a_buffer)( const void *data, size_t size );
208 
209 	/* Is a stream in this format.
210 	 *
211 	 * This function should return %TRUE if the stream contains an image of
212 	 * this type.
213 	 */
214 	gboolean (*is_a_source)( VipsSource *source );
215 
216 	/* Get the flags from a filename.
217 	 *
218 	 * This function should examine the file and return a set
219 	 * of flags. If you don't define it, vips will default to 0 (no flags
220 	 * set).
221 	 *
222 	 * This method is necessary for vips7 compatibility. Don't define
223 	 * it if you don't need vips7.
224 	 */
225 	VipsForeignFlags (*get_flags_filename)( const char *filename );
226 
227 	/* Get the flags for this load operation. Images can be loaded from
228 	 * (for example) memory areas rather than files, so you can't just use
229 	 * @get_flags_filename().
230 	 */
231 	VipsForeignFlags (*get_flags)( VipsForeignLoad *load );
232 
233 	/* Do the minimum read we can.
234 	 *
235 	 * Set the header fields in @out from @filename. If you can read the
236 	 * whole image as well with no performance cost (as with vipsload),
237 	 * or if your loader does not support reading only the header, read
238 	 * the entire image in this method and leave @load() NULL.
239 	 *
240 	 * @header() needs to set the dhint on the image .. otherwise you get
241 	 * the default SMALLTILE.
242 	 *
243 	 * Return 0 for success, -1 for error, setting vips_error().
244 	 */
245 	int (*header)( VipsForeignLoad *load );
246 
247 	/* Read the whole image into @real. The pixels will get copied to @out
248 	 * later.
249 	 *
250 	 * You can omit this method if you define a @header() method which
251 	 * loads the whole file.
252 	 *
253 	 * Return 0 for success, -1 for error, setting
254 	 * vips_error().
255 	 */
256 	int (*load)( VipsForeignLoad *load );
257 } VipsForeignLoadClass;
258 
259 /* Don't put spaces around void here, it breaks gtk-doc.
260  */
261 GType vips_foreign_load_get_type(void);
262 
263 const char *vips_foreign_find_load( const char *filename );
264 const char *vips_foreign_find_load_buffer( const void *data, size_t size );
265 const char *vips_foreign_find_load_source( VipsSource *source );
266 
267 VipsForeignFlags vips_foreign_flags( const char *loader, const char *filename );
268 gboolean vips_foreign_is_a( const char *loader, const char *filename );
269 gboolean vips_foreign_is_a_buffer( const char *loader,
270 	const void *data, size_t size );
271 gboolean vips_foreign_is_a_source( const char *loader,
272 	VipsSource *source );
273 
274 void vips_foreign_load_invalidate( VipsImage *image );
275 
276 #define VIPS_TYPE_FOREIGN_SAVE (vips_foreign_save_get_type())
277 #define VIPS_FOREIGN_SAVE( obj ) \
278 	(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
279 	VIPS_TYPE_FOREIGN_SAVE, VipsForeignSave ))
280 #define VIPS_FOREIGN_SAVE_CLASS( klass ) \
281 	(G_TYPE_CHECK_CLASS_CAST( (klass), \
282 	VIPS_TYPE_FOREIGN_SAVE, VipsForeignSaveClass))
283 #define VIPS_IS_FOREIGN_SAVE( obj ) \
284 	(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_FOREIGN_SAVE ))
285 #define VIPS_IS_FOREIGN_SAVE_CLASS( klass ) \
286 	(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_FOREIGN_SAVE ))
287 #define VIPS_FOREIGN_SAVE_GET_CLASS( obj ) \
288 	(G_TYPE_INSTANCE_GET_CLASS( (obj), \
289 	VIPS_TYPE_FOREIGN_SAVE, VipsForeignSaveClass ))
290 
291 /**
292  * VipsSaveable:
293  * @VIPS_SAVEABLE_MONO: 1 band (eg. CSV)
294  * @VIPS_SAVEABLE_RGB: 1 or 3 bands (eg. PPM)
295  * @VIPS_SAVEABLE_RGBA: 1, 2, 3 or 4 bands (eg. PNG)
296  * @VIPS_SAVEABLE_RGBA_ONLY: 3 or 4 bands (eg. WEBP)
297  * @VIPS_SAVEABLE_RGB_CMYK: 1, 3 or 4 bands (eg. JPEG)
298  * @VIPS_SAVEABLE_ANY: any number of bands (eg. TIFF)
299  *
300  * See also: #VipsForeignSave.
301  */
302 typedef enum {
303 	VIPS_SAVEABLE_MONO,
304 	VIPS_SAVEABLE_RGB,
305 	VIPS_SAVEABLE_RGBA,
306 	VIPS_SAVEABLE_RGBA_ONLY,
307 	VIPS_SAVEABLE_RGB_CMYK,
308 	VIPS_SAVEABLE_ANY,
309 	VIPS_SAVEABLE_LAST
310 } VipsSaveable;
311 
312 typedef struct _VipsForeignSave {
313 	VipsForeign parent_object;
314 
315 	/* Don't attach metadata.
316 	 */
317 	gboolean strip;
318 
319 	/* If flattening out alpha, the background colour to use. Default to
320 	 * 0 (black).
321 	 */
322 	VipsArrayDouble *background;
323 
324 	/* Set to non-zero to set the page size for multi-page save.
325 	 */
326 	int page_height;
327 
328 	/*< public >*/
329 
330 	/* The image we are to save, as supplied by our caller.
331 	 */
332 	VipsImage *in;
333 
334 	/* @in converted to a saveable format (eg. 8-bit RGB) according to the
335 	 * instructions you give in the class fields below.
336 	 *
337 	 * This is the image you should actually write to the output.
338 	 */
339 	VipsImage *ready;
340 
341 } VipsForeignSave;
342 
343 typedef struct _VipsForeignSaveClass {
344 	VipsForeignClass parent_class;
345 
346 	/*< public >*/
347 
348 	/* How this format treats bands.
349 	 *
350 	 * @saveable describes the bands that your saver can handle. For
351 	 * example, PPM images can have 1 or 3 bands (mono or RGB), so it
352 	 * uses #VIPS_SAVEABLE_RGB.
353 	 */
354 	VipsSaveable saveable;
355 
356 	/* How this format treats band formats.
357 	 *
358 	 * @format_table describes the band formats that your saver can
359 	 * handle. For each of the 10 #VipsBandFormat values, the array
360 	 * should give the format your saver will accept.
361 	 */
362 	VipsBandFormat *format_table;
363 
364 	/* The set of coding types this format can save. For example, jpeg can
365 	 * only save NONE, so has NONE TRUE and RAD and LABQ FALSE.
366 	 *
367 	 * Default NONE TRUE, RAD and LABQ FALSE.
368 	 */
369 	gboolean coding[VIPS_CODING_LAST];
370 } VipsForeignSaveClass;
371 
372 /* Don't put spaces around void here, it breaks gtk-doc.
373  */
374 GType vips_foreign_save_get_type(void);
375 
376 const char *vips_foreign_find_save( const char *filename );
377 gchar **vips_foreign_get_suffixes( void );
378 const char *vips_foreign_find_save_buffer( const char *suffix );
379 const char *vips_foreign_find_save_target( const char *suffix );
380 
381 int vips_vipsload( const char *filename, VipsImage **out, ... )
382 	__attribute__((sentinel));
383 int vips_vipsload_source( VipsSource *source, VipsImage **out, ... )
384 	__attribute__((sentinel));
385 int vips_vipssave( VipsImage *in, const char *filename, ... )
386 	__attribute__((sentinel));
387 int vips_vipssave_target( VipsImage *in, VipsTarget *target, ... )
388 	__attribute__((sentinel));
389 
390 int vips_openslideload( const char *filename, VipsImage **out, ... )
391 	__attribute__((sentinel));
392 int vips_openslideload_source( VipsSource *source, VipsImage **out, ... )
393 	__attribute__((sentinel));
394 
395 /**
396  * VipsForeignSubsample:
397  * @VIPS_FOREIGN_SUBSAMPLE_AUTO: prevent subsampling when quality >= 90
398  * @VIPS_FOREIGN_SUBSAMPLE_ON: always perform subsampling
399  * @VIPS_FOREIGN_SUBSAMPLE_OFF: never perform subsampling
400  *
401  * Set subsampling mode.
402  */
403 typedef enum {
404 	VIPS_FOREIGN_SUBSAMPLE_AUTO,
405 	VIPS_FOREIGN_SUBSAMPLE_ON,
406 	VIPS_FOREIGN_SUBSAMPLE_OFF,
407 	VIPS_FOREIGN_SUBSAMPLE_LAST
408 } VipsForeignSubsample;
409 
410 /**
411  * VipsForeignJpegSubsample:
412  * @VIPS_FOREIGN_JPEG_SUBSAMPLE_AUTO: default preset
413  * @VIPS_FOREIGN_JPEG_SUBSAMPLE_ON: always perform subsampling
414  * @VIPS_FOREIGN_JPEG_SUBSAMPLE_OFF: never perform subsampling
415  *
416  * Set jpeg subsampling mode.
417  *
418  * DEPRECATED: use #VipsForeignSubsample
419  */
420 typedef enum {
421 	VIPS_FOREIGN_JPEG_SUBSAMPLE_AUTO,
422 	VIPS_FOREIGN_JPEG_SUBSAMPLE_ON,
423 	VIPS_FOREIGN_JPEG_SUBSAMPLE_OFF,
424 	VIPS_FOREIGN_JPEG_SUBSAMPLE_LAST
425 } VipsForeignJpegSubsample;
426 
427 int vips_jpegload( const char *filename, VipsImage **out, ... )
428 	__attribute__((sentinel));
429 int vips_jpegload_buffer( void *buf, size_t len, VipsImage **out, ... )
430 	__attribute__((sentinel));
431 int vips_jpegload_source( VipsSource *source, VipsImage **out, ... )
432 	__attribute__((sentinel));
433 
434 int vips_jpegsave_target( VipsImage *in, VipsTarget *target, ... )
435 	__attribute__((sentinel));
436 int vips_jpegsave( VipsImage *in, const char *filename, ... )
437 	__attribute__((sentinel));
438 int vips_jpegsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
439 	__attribute__((sentinel));
440 int vips_jpegsave_mime( VipsImage *in, ... )
441 	__attribute__((sentinel));
442 
443 /**
444  * VipsForeignWebpPreset:
445  * @VIPS_FOREIGN_WEBP_PRESET_DEFAULT: default preset
446  * @VIPS_FOREIGN_WEBP_PRESET_PICTURE: digital picture, like portrait, inner shot
447  * @VIPS_FOREIGN_WEBP_PRESET_PHOTO: outdoor photograph, with natural lighting
448  * @VIPS_FOREIGN_WEBP_PRESET_DRAWING: hand or line drawing, with high-contrast details
449  * @VIPS_FOREIGN_WEBP_PRESET_ICON: small-sized colorful images
450  * @VIPS_FOREIGN_WEBP_PRESET_TEXT: text-like
451  *
452  * Tune lossy encoder settings for different image types.
453  */
454 typedef enum {
455 	VIPS_FOREIGN_WEBP_PRESET_DEFAULT,
456 	VIPS_FOREIGN_WEBP_PRESET_PICTURE,
457 	VIPS_FOREIGN_WEBP_PRESET_PHOTO,
458 	VIPS_FOREIGN_WEBP_PRESET_DRAWING,
459 	VIPS_FOREIGN_WEBP_PRESET_ICON,
460 	VIPS_FOREIGN_WEBP_PRESET_TEXT,
461 	VIPS_FOREIGN_WEBP_PRESET_LAST
462 } VipsForeignWebpPreset;
463 
464 int vips_webpload_source( VipsSource *source, VipsImage **out, ... )
465 	__attribute__((sentinel));
466 int vips_webpload( const char *filename, VipsImage **out, ... )
467 	__attribute__((sentinel));
468 int vips_webpload_buffer( void *buf, size_t len, VipsImage **out, ... )
469 	__attribute__((sentinel));
470 
471 int vips_webpsave_target( VipsImage *in, VipsTarget *target, ... )
472 	__attribute__((sentinel));
473 int vips_webpsave( VipsImage *in, const char *filename, ... )
474 	__attribute__((sentinel));
475 int vips_webpsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
476 	__attribute__((sentinel));
477 int vips_webpsave_mime( VipsImage *in, ... )
478 	__attribute__((sentinel));
479 
480 /**
481  * VipsForeignTiffCompression:
482  * @VIPS_FOREIGN_TIFF_COMPRESSION_NONE: no compression
483  * @VIPS_FOREIGN_TIFF_COMPRESSION_JPEG: jpeg compression
484  * @VIPS_FOREIGN_TIFF_COMPRESSION_DEFLATE: deflate (zip) compression
485  * @VIPS_FOREIGN_TIFF_COMPRESSION_PACKBITS: packbits compression
486  * @VIPS_FOREIGN_TIFF_COMPRESSION_CCITTFAX4: fax4 compression
487  * @VIPS_FOREIGN_TIFF_COMPRESSION_LZW: LZW compression
488  * @VIPS_FOREIGN_TIFF_COMPRESSION_WEBP: WEBP compression
489  * @VIPS_FOREIGN_TIFF_COMPRESSION_ZSTD: ZSTD compression
490  * @VIPS_FOREIGN_TIFF_COMPRESSION_JP2K: JP2K compression
491  *
492  * The compression types supported by the tiff writer.
493  *
494  * Use @Q to set the jpeg compression level, default 75.
495  *
496  * Use @predictor to set the lzw or deflate prediction, default horizontal.
497  *
498  * Use @lossless to set WEBP lossless compression.
499  *
500  * Use @level to set webp and zstd compression level.
501  */
502 typedef enum {
503 	VIPS_FOREIGN_TIFF_COMPRESSION_NONE,
504 	VIPS_FOREIGN_TIFF_COMPRESSION_JPEG,
505 	VIPS_FOREIGN_TIFF_COMPRESSION_DEFLATE,
506 	VIPS_FOREIGN_TIFF_COMPRESSION_PACKBITS,
507 	VIPS_FOREIGN_TIFF_COMPRESSION_CCITTFAX4,
508 	VIPS_FOREIGN_TIFF_COMPRESSION_LZW,
509 	VIPS_FOREIGN_TIFF_COMPRESSION_WEBP,
510 	VIPS_FOREIGN_TIFF_COMPRESSION_ZSTD,
511 	VIPS_FOREIGN_TIFF_COMPRESSION_JP2K,
512 	VIPS_FOREIGN_TIFF_COMPRESSION_LAST
513 } VipsForeignTiffCompression;
514 
515 /**
516  * VipsForeignTiffPredictor:
517  * @VIPS_FOREIGN_TIFF_PREDICTOR_NONE: no prediction
518  * @VIPS_FOREIGN_TIFF_PREDICTOR_HORIZONTAL: horizontal differencing
519  * @VIPS_FOREIGN_TIFF_PREDICTOR_FLOAT: float predictor
520  *
521  * The predictor can help deflate and lzw compression. The values are fixed by
522  * the tiff library.
523  */
524 typedef enum {
525 	VIPS_FOREIGN_TIFF_PREDICTOR_NONE = 1,
526 	VIPS_FOREIGN_TIFF_PREDICTOR_HORIZONTAL = 2,
527 	VIPS_FOREIGN_TIFF_PREDICTOR_FLOAT = 3,
528 	VIPS_FOREIGN_TIFF_PREDICTOR_LAST
529 } VipsForeignTiffPredictor;
530 
531 /**
532  * VipsForeignTiffResunit:
533  * @VIPS_FOREIGN_TIFF_RESUNIT_CM: use centimeters
534  * @VIPS_FOREIGN_TIFF_RESUNIT_INCH: use inches
535  *
536  * Use inches or centimeters as the resolution unit for a tiff file.
537  */
538 typedef enum {
539 	VIPS_FOREIGN_TIFF_RESUNIT_CM,
540 	VIPS_FOREIGN_TIFF_RESUNIT_INCH,
541 	VIPS_FOREIGN_TIFF_RESUNIT_LAST
542 } VipsForeignTiffResunit;
543 
544 int vips_tiffload( const char *filename, VipsImage **out, ... )
545 	__attribute__((sentinel));
546 int vips_tiffload_buffer( void *buf, size_t len, VipsImage **out, ... )
547 	__attribute__((sentinel));
548 int vips_tiffload_source( VipsSource *source, VipsImage **out, ... )
549 	__attribute__((sentinel));
550 int vips_tiffsave( VipsImage *in, const char *filename, ... )
551 	__attribute__((sentinel));
552 int vips_tiffsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
553 	__attribute__((sentinel));
554 
555 int vips_openexrload( const char *filename, VipsImage **out, ... )
556 	__attribute__((sentinel));
557 
558 int vips_fitsload( const char *filename, VipsImage **out, ... )
559 	__attribute__((sentinel));
560 int vips_fitssave( VipsImage *in, const char *filename, ... )
561 	__attribute__((sentinel));
562 
563 int vips_analyzeload( const char *filename, VipsImage **out, ... )
564 	__attribute__((sentinel));
565 
566 int vips_rawload( const char *filename, VipsImage **out,
567 	int width, int height, int bands, ... )
568 	__attribute__((sentinel));
569 int vips_rawsave( VipsImage *in, const char *filename, ... )
570 	__attribute__((sentinel));
571 int vips_rawsave_fd( VipsImage *in, int fd, ... )
572 	__attribute__((sentinel));
573 
574 int vips_csvload( const char *filename, VipsImage **out, ... )
575 	__attribute__((sentinel));
576 int vips_csvload_source( VipsSource *source, VipsImage **out, ... )
577 	__attribute__((sentinel));
578 int vips_csvsave( VipsImage *in, const char *filename, ... )
579 	__attribute__((sentinel));
580 int vips_csvsave_target( VipsImage *in, VipsTarget *target, ... )
581 	__attribute__((sentinel));
582 
583 int vips_matrixload( const char *filename, VipsImage **out, ... )
584 	__attribute__((sentinel));
585 int vips_matrixload_source( VipsSource *source, VipsImage **out, ... )
586 	__attribute__((sentinel));
587 int vips_matrixsave( VipsImage *in, const char *filename, ... )
588 	__attribute__((sentinel));
589 int vips_matrixsave_target( VipsImage *in, VipsTarget *target, ... )
590 	__attribute__((sentinel));
591 int vips_matrixprint( VipsImage *in, ... )
592 	__attribute__((sentinel));
593 
594 int vips_magickload( const char *filename, VipsImage **out, ... )
595 	__attribute__((sentinel));
596 int vips_magickload_buffer( void *buf, size_t len, VipsImage **out, ... )
597 	__attribute__((sentinel));
598 int vips_magicksave( VipsImage *in, const char *filename, ... )
599 	__attribute__((sentinel));
600 int vips_magicksave_buffer( VipsImage *in, void **buf, size_t *len, ... )
601 	__attribute__((sentinel));
602 
603 /**
604  * VipsForeignPngFilter:
605  * @VIPS_FOREIGN_PNG_FILTER_NONE: no filtering
606  * @VIPS_FOREIGN_PNG_FILTER_SUB: difference to the left
607  * @VIPS_FOREIGN_PNG_FILTER_UP: difference up
608  * @VIPS_FOREIGN_PNG_FILTER_AVG: average of left and up
609  * @VIPS_FOREIGN_PNG_FILTER_PAETH: pick best neighbor predictor automatically
610  * @VIPS_FOREIGN_PNG_FILTER_ALL: adaptive
611  *
612  * http://www.w3.org/TR/PNG-Filters.html
613  * The values mirror those of png.h in libpng.
614  */
615 typedef enum /*< flags >*/ {
616 	VIPS_FOREIGN_PNG_FILTER_NONE = 0x08,
617 	VIPS_FOREIGN_PNG_FILTER_SUB = 0x10,
618 	VIPS_FOREIGN_PNG_FILTER_UP = 0x20,
619 	VIPS_FOREIGN_PNG_FILTER_AVG = 0x40,
620 	VIPS_FOREIGN_PNG_FILTER_PAETH = 0x80,
621 	VIPS_FOREIGN_PNG_FILTER_ALL = 0xF8
622 } VipsForeignPngFilter;
623 
624 int vips_pngload_source( VipsSource *source, VipsImage **out, ... )
625 	__attribute__((sentinel));
626 int vips_pngload( const char *filename, VipsImage **out, ... )
627 	__attribute__((sentinel));
628 int vips_pngload_buffer( void *buf, size_t len, VipsImage **out, ... )
629 	__attribute__((sentinel));
630 int vips_pngsave_target( VipsImage *in, VipsTarget *target, ... )
631 	__attribute__((sentinel));
632 int vips_pngsave( VipsImage *in, const char *filename, ... )
633 	__attribute__((sentinel));
634 int vips_pngsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
635 	__attribute__((sentinel));
636 
637 /**
638  * VipsForeignPpmFormat:
639  * @VIPS_FOREIGN_PPM_FORMAT_PBM: portable bitmap
640  * @VIPS_FOREIGN_PPM_FORMAT_PGM: portable greymap
641  * @VIPS_FOREIGN_PPM_FORMAT_PPM: portable pixmap
642  * @VIPS_FOREIGN_PPM_FORMAT_PFM: portable float map
643  *
644  * The netpbm file format to save as.
645  *
646  * #VIPS_FOREIGN_PPM_FORMAT_PBM images are single bit.
647  *
648  * #VIPS_FOREIGN_PPM_FORMAT_PGM images are 8, 16, or 32-bits, one band.
649  *
650  * #VIPS_FOREIGN_PPM_FORMAT_PPM images are 8, 16, or 32-bits, three bands.
651  *
652  * #VIPS_FOREIGN_PPM_FORMAT_PFM images are 32-bit float pixels.
653  */
654 typedef enum {
655 	VIPS_FOREIGN_PPM_FORMAT_PBM,
656 	VIPS_FOREIGN_PPM_FORMAT_PGM,
657 	VIPS_FOREIGN_PPM_FORMAT_PPM,
658 	VIPS_FOREIGN_PPM_FORMAT_PFM,
659 	VIPS_FOREIGN_PPM_FORMAT_LAST
660 } VipsForeignPpmFormat;
661 
662 int vips_ppmload( const char *filename, VipsImage **out, ... )
663 	__attribute__((sentinel));
664 int vips_ppmload_source( VipsSource *source, VipsImage **out, ... )
665 	__attribute__((sentinel));
666 int vips_ppmsave( VipsImage *in, const char *filename, ... )
667 	__attribute__((sentinel));
668 int vips_ppmsave_target( VipsImage *in, VipsTarget *target, ... )
669 	__attribute__((sentinel));
670 
671 int vips_matload( const char *filename, VipsImage **out, ... )
672 	__attribute__((sentinel));
673 
674 int vips_radload_source( VipsSource *source, VipsImage **out, ... )
675 	__attribute__((sentinel));
676 int vips_radload( const char *filename, VipsImage **out, ... )
677 	__attribute__((sentinel));
678 int vips_radload_buffer( void *buf, size_t len, VipsImage **out, ... )
679 	__attribute__((sentinel));
680 int vips_radsave( VipsImage *in, const char *filename, ... )
681 	__attribute__((sentinel));
682 int vips_radsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
683 	__attribute__((sentinel));
684 int vips_radsave_target( VipsImage *in, VipsTarget *target, ... )
685 	__attribute__((sentinel));
686 
687 int vips_pdfload( const char *filename, VipsImage **out, ... )
688 	__attribute__((sentinel));
689 int vips_pdfload_buffer( void *buf, size_t len, VipsImage **out, ... )
690 	__attribute__((sentinel));
691 int vips_pdfload_source( VipsSource *source, VipsImage **out, ... )
692 	__attribute__((sentinel));
693 
694 int vips_svgload( const char *filename, VipsImage **out, ... )
695 	__attribute__((sentinel));
696 int vips_svgload_buffer( void *buf, size_t len, VipsImage **out, ... )
697 	__attribute__((sentinel));
698 int vips_svgload_string( const char *str, VipsImage **out, ... )
699 	__attribute__((sentinel));
700 int vips_svgload_source( VipsSource *source, VipsImage **out, ... )
701 	__attribute__((sentinel));
702 
703 int vips_gifload( const char *filename, VipsImage **out, ... )
704 	__attribute__((sentinel));
705 int vips_gifload_buffer( void *buf, size_t len, VipsImage **out, ... )
706 	__attribute__((sentinel));
707 int vips_gifload_source( VipsSource *source, VipsImage **out, ... )
708 	__attribute__((sentinel));
709 
710 int vips_gifsave( VipsImage *in, const char *filename, ... )
711 	__attribute__((sentinel));
712 int vips_gifsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
713 	__attribute__((sentinel));
714 int vips_gifsave_target( VipsImage *in, VipsTarget *target, ... )
715 	__attribute__((sentinel));
716 
717 int vips_heifload( const char *filename, VipsImage **out, ... )
718 	__attribute__((sentinel));
719 int vips_heifload_buffer( void *buf, size_t len, VipsImage **out, ... )
720 	__attribute__((sentinel));
721 int vips_heifload_source( VipsSource *source, VipsImage **out, ... )
722 	__attribute__((sentinel));
723 int vips_heifsave( VipsImage *in, const char *filename, ... )
724 	__attribute__((sentinel));
725 int vips_heifsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
726 	__attribute__((sentinel));
727 int vips_heifsave_target( VipsImage *in, VipsTarget *target, ... )
728 	__attribute__((sentinel));
729 
730 int vips_niftiload( const char *filename, VipsImage **out, ... )
731 	__attribute__((sentinel));
732 int vips_niftiload_source( VipsSource *source, VipsImage **out, ... )
733 	__attribute__((sentinel));
734 int vips_niftisave( VipsImage *in, const char *filename, ... )
735 	__attribute__((sentinel));
736 
737 int vips_jp2kload( const char *filename, VipsImage **out, ... )
738 	__attribute__((sentinel));
739 int vips_jp2kload_buffer( void *buf, size_t len, VipsImage **out, ... )
740 	__attribute__((sentinel));
741 int vips_jp2kload_source( VipsSource *source, VipsImage **out, ... )
742 	__attribute__((sentinel));
743 int vips_jp2ksave( VipsImage *in, const char *filename, ... )
744 	__attribute__((sentinel));
745 int vips_jp2ksave_buffer( VipsImage *in, void **buf, size_t *len, ... )
746 	__attribute__((sentinel));
747 int vips_jp2ksave_target( VipsImage *in, VipsTarget *target, ... )
748 	__attribute__((sentinel));
749 
750 int vips_jxlload_source( VipsSource *source, VipsImage **out, ... )
751 	__attribute__((sentinel));
752 int vips_jxlload_buffer( void *buf, size_t len, VipsImage **out, ... )
753 	__attribute__((sentinel));
754 int vips_jxlload( const char *filename, VipsImage **out, ... )
755 	__attribute__((sentinel));
756 int vips_jxlsave( VipsImage *in, const char *filename, ... )
757 	__attribute__((sentinel));
758 int vips_jxlsave_buffer( VipsImage *in, void **buf, size_t *len, ... )
759 	__attribute__((sentinel));
760 int vips_jxlsave_target( VipsImage *in, VipsTarget *target, ... )
761 	__attribute__((sentinel));
762 
763 /**
764  * VipsForeignDzLayout:
765  * @VIPS_FOREIGN_DZ_LAYOUT_DZ: use DeepZoom directory layout
766  * @VIPS_FOREIGN_DZ_LAYOUT_ZOOMIFY: use Zoomify directory layout
767  * @VIPS_FOREIGN_DZ_LAYOUT_GOOGLE: use Google maps directory layout
768  * @VIPS_FOREIGN_DZ_LAYOUT_IIIF: use IIIF v2 directory layout
769  * @VIPS_FOREIGN_DZ_LAYOUT_IIIF3: use IIIF v3 directory layout
770  *
771  * What directory layout and metadata standard to use.
772  */
773 typedef enum {
774 	VIPS_FOREIGN_DZ_LAYOUT_DZ,
775 	VIPS_FOREIGN_DZ_LAYOUT_ZOOMIFY,
776 	VIPS_FOREIGN_DZ_LAYOUT_GOOGLE,
777 	VIPS_FOREIGN_DZ_LAYOUT_IIIF,
778 	VIPS_FOREIGN_DZ_LAYOUT_IIIF3,
779 	VIPS_FOREIGN_DZ_LAYOUT_LAST
780 } VipsForeignDzLayout;
781 
782 /**
783  * VipsForeignDzDepth:
784  * @VIPS_FOREIGN_DZ_DEPTH_ONEPIXEL: create layers down to 1x1 pixel
785  * @VIPS_FOREIGN_DZ_DEPTH_ONETILE: create layers down to 1x1 tile
786  * @VIPS_FOREIGN_DZ_DEPTH_ONE: only create a single layer
787  *
788  * How many pyramid layers to create.
789  */
790 typedef enum {
791 	VIPS_FOREIGN_DZ_DEPTH_ONEPIXEL,
792 	VIPS_FOREIGN_DZ_DEPTH_ONETILE,
793 	VIPS_FOREIGN_DZ_DEPTH_ONE,
794 	VIPS_FOREIGN_DZ_DEPTH_LAST
795 } VipsForeignDzDepth;
796 
797 /**
798  * VipsForeignDzContainer:
799  * @VIPS_FOREIGN_DZ_CONTAINER_FS: write tiles to the filesystem
800  * @VIPS_FOREIGN_DZ_CONTAINER_ZIP: write tiles to a zip file
801  * @VIPS_FOREIGN_DZ_CONTAINER_SZI: write to a szi file
802  *
803  * How many pyramid layers to create.
804  */
805 typedef enum {
806 	VIPS_FOREIGN_DZ_CONTAINER_FS,
807 	VIPS_FOREIGN_DZ_CONTAINER_ZIP,
808 	VIPS_FOREIGN_DZ_CONTAINER_SZI,
809 	VIPS_FOREIGN_DZ_CONTAINER_LAST
810 } VipsForeignDzContainer;
811 
812 int vips_dzsave( VipsImage *in, const char *name, ... )
813 	__attribute__((sentinel));
814 
815 /**
816  * VipsForeignHeifCompression:
817  * @VIPS_FOREIGN_HEIF_COMPRESSION_HEVC: x265
818  * @VIPS_FOREIGN_HEIF_COMPRESSION_AVC: x264
819  * @VIPS_FOREIGN_HEIF_COMPRESSION_JPEG: jpeg
820  * @VIPS_FOREIGN_HEIF_COMPRESSION_AV1: aom
821  *
822  * The compression format to use inside a HEIF container.
823  *
824  * This is assumed to use the same numbering as %heif_compression_format.
825  */
826 typedef enum {
827 	VIPS_FOREIGN_HEIF_COMPRESSION_HEVC = 1,
828 	VIPS_FOREIGN_HEIF_COMPRESSION_AVC = 2,
829 	VIPS_FOREIGN_HEIF_COMPRESSION_JPEG = 3,
830 	VIPS_FOREIGN_HEIF_COMPRESSION_AV1 = 4,
831 	VIPS_FOREIGN_HEIF_COMPRESSION_LAST
832 } VipsForeignHeifCompression;
833 
834 #ifdef __cplusplus
835 }
836 #endif /*__cplusplus*/
837 
838 #endif /*VIPS_FOREIGN_H*/
839