1 /*
2  * This file is part of gtkD.
3  *
4  * gtkD is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License
6  * as published by the Free Software Foundation; either version 3
7  * of the License, or (at your option) any later version, with
8  * some exceptions, please read the COPYING file.
9  *
10  * gtkD is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with gtkD; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
18  */
19  
20 // generated automatically - do not change
21 // find conversion definition on APILookup.txt
22 // implement new conversion functionalities on the wrap.utils pakage
23 
24 /*
25  * Conversion parameters:
26  * inFile  = cairo-cairo-surface-t.html
27  * outPack = cairo
28  * outFile = Surface
29  * strct   = cairo_surface_t
30  * realStrct=
31  * ctorStrct=
32  * clss    = Surface
33  * interf  = 
34  * class Code: Yes
35  * interface Code: No
36  * template for:
37  * extend  = 
38  * implements:
39  * prefixes:
40  * 	- cairo_surface_
41  * omit structs:
42  * omit prefixes:
43  * omit code:
44  * 	- cairo_surface_get_mime_data
45  * omit signals:
46  * imports:
47  * 	- glib.Str
48  * 	- cairo.Device
49  * 	- cairo.FontOption
50  * 	- gdk.Window
51  * 	- gtkc.gdk
52  * structWrap:
53  * 	- cairo_device_t* -> Device
54  * 	- cairo_font_options_t* -> FontOption
55  * 	- cairo_surface_t* -> Surface
56  * module aliases:
57  * local aliases:
58  * overrides:
59  */
60 
61 module cairo.Surface;
62 
63 public  import gtkc.cairotypes;
64 
65 private import gtkc.cairo;
66 private import glib.ConstructionException;
67 
68 
69 private import glib.Str;
70 private import cairo.Device;
71 private import cairo.FontOption;
72 private import gdk.Window;
73 private import gtkc.gdk;
74 
75 
76 
77 
78 /**
79  * Description
80  * cairo_surface_t is the abstract type representing all different drawing
81  * targets that cairo can render to. The actual drawings are
82  * performed using a cairo context.
83  * A cairo surface is created by using backend-specific
84  * constructors, typically of the form
85  * cairo_backend_surface_create().
86  * Most surface types allow accessing the surface without using Cairo
87  * functions. If you do this, keep in mind that it is mandatory that you call
88  * cairo_surface_flush() before reading from or writing to the surface and that
89  * you must use cairo_surface_mark_dirty() after modifying it.
90  * $(DDOC_COMMENT example)
91  * Note that for other surface types it might be necessary to acquire the
92  * surface's device first. See cairo_device_acquire() for a discussion of
93  * devices.
94  */
95 public class Surface
96 {
97 	
98 	/** the main Gtk struct */
99 	protected cairo_surface_t* cairo_surface;
100 	
101 	
102 	public cairo_surface_t* getSurfaceStruct()
103 	{
104 		return cairo_surface;
105 	}
106 	
107 	
108 	/** the main Gtk struct as a void* */
109 	protected void* getStruct()
110 	{
111 		return cast(void*)cairo_surface;
112 	}
113 	
114 	/**
115 	 * Sets our main struct and passes it to the parent class
116 	 */
117 	public this (cairo_surface_t* cairo_surface)
118 	{
119 		this.cairo_surface = cairo_surface;
120 	}
121 	
122 	this(Window window, cairo_content_t content, int width,int height)
123 	{
124 		this(gdk_window_create_similar_surface(window.getWindowStruct(), content, width, height));
125 	}
126 	
127 	/**
128 	 * Return mime data previously attached to surface using the
129 	 * specified mime type. If no data has been attached with the given
130 	 * mime type, data is set NULL.
131 	 * Since 1.10
132 	 * Params:
133 	 * mimeType = the mime type of the image data
134 	 * data = the image data to attached to the surface
135 	 */
136 	public void getMimeData(string mimeType, out ubyte[] data)
137 	{
138 		// void cairo_surface_get_mime_data (cairo_surface_t *surface,  const char *mime_type,  unsigned char **data,  unsigned long *length);
139 		uchar* outdata = null;
140 		ulong length;
141 		
142 		cairo_surface_get_mime_data(cairo_surface, Str.toStringz(mimeType), &outdata, &length);
143 		
144 		data = outdata[0 .. cast(size_t)length];
145 	}
146 	
147 	/**
148 	 */
149 	
150 	/**
151 	 * Create a new surface that is as compatible as possible with an
152 	 * existing surface. For example the new surface will have the same
153 	 * fallback resolution and font options as other. Generally, the new
154 	 * surface will also use the same backend as other, unless that is
155 	 * not possible for some reason. The type of the returned surface may
156 	 * be examined with cairo_surface_get_type().
157 	 * Initially the surface contents are all 0 (transparent if contents
158 	 * have transparency, black otherwise.)
159 	 * Params:
160 	 * content = the content for the new surface
161 	 * width = width of the new surface, (in device-space units)
162 	 * height = height of the new surface (in device-space units)
163 	 * Returns: a pointer to the newly allocated surface. The caller owns the surface and should call cairo_surface_destroy() when done with it. This function always returns a valid pointer, but it will return a pointer to a "nil" surface if other is already in an error state or any other error occurs.
164 	 */
165 	public Surface createSimilar(cairo_content_t content, int width, int height)
166 	{
167 		// cairo_surface_t * cairo_surface_create_similar (cairo_surface_t *other,  cairo_content_t content,  int width,  int height);
168 		auto p = cairo_surface_create_similar(cairo_surface, content, width, height);
169 		
170 		if(p is null)
171 		{
172 			return null;
173 		}
174 		
175 		return new Surface(cast(cairo_surface_t*) p);
176 	}
177 	
178 	/**
179 	 * Create a new surface that is a rectangle within the target surface.
180 	 * All operations drawn to this surface are then clipped and translated
181 	 * onto the target surface. Nothing drawn via this sub-surface outside of
182 	 * its bounds is drawn onto the target surface, making this a useful method
183 	 * for passing constrained child surfaces to library routines that draw
184 	 * directly onto the parent surface, i.e. with no further backend allocations,
185 	 * double buffering or copies.
186 	 * Note
187 	 * The semantics of subsurfaces have not been finalized yet
188 	 * unless the rectangle is in full device units, is contained within
189 	 * the extents of the target surface, and the target or subsurface's
190 	 * device transforms are not changed.
191 	 * Since 1.10
192 	 * Params:
193 	 * x = the x-origin of the sub-surface from the top-left of the target surface (in device-space units)
194 	 * y = the y-origin of the sub-surface from the top-left of the target surface (in device-space units)
195 	 * width = width of the sub-surface (in device-space units)
196 	 * height = height of the sub-surface (in device-space units)
197 	 * Returns: a pointer to the newly allocated surface. The caller owns the surface and should call cairo_surface_destroy() when done with it. This function always returns a valid pointer, but it will return a pointer to a "nil" surface if other is already in an error state or any other error occurs.
198 	 */
199 	public Surface createForRectangle(double x, double y, double width, double height)
200 	{
201 		// cairo_surface_t * cairo_surface_create_for_rectangle (cairo_surface_t *target,  double x,  double y,  double width,  double height);
202 		auto p = cairo_surface_create_for_rectangle(cairo_surface, x, y, width, height);
203 		
204 		if(p is null)
205 		{
206 			return null;
207 		}
208 		
209 		return new Surface(cast(cairo_surface_t*) p);
210 	}
211 	
212 	/**
213 	 * Increases the reference count on surface by one. This prevents
214 	 * surface from being destroyed until a matching call to
215 	 * cairo_surface_destroy() is made.
216 	 * The number of references to a cairo_surface_t can be get using
217 	 * cairo_surface_get_reference_count().
218 	 * Returns: the referenced cairo_surface_t.
219 	 */
220 	public Surface reference()
221 	{
222 		// cairo_surface_t * cairo_surface_reference (cairo_surface_t *surface);
223 		auto p = cairo_surface_reference(cairo_surface);
224 		
225 		if(p is null)
226 		{
227 			return null;
228 		}
229 		
230 		return new Surface(cast(cairo_surface_t*) p);
231 	}
232 	
233 	/**
234 	 * Decreases the reference count on surface by one. If the result is
235 	 * zero, then surface and all associated resources are freed. See
236 	 * cairo_surface_reference().
237 	 */
238 	public void destroy()
239 	{
240 		// void cairo_surface_destroy (cairo_surface_t *surface);
241 		cairo_surface_destroy(cairo_surface);
242 	}
243 	
244 	/**
245 	 * Checks whether an error has previously occurred for this
246 	 * surface.
247 	 * Returns: CAIRO_STATUS_SUCCESS, CAIRO_STATUS_NULL_POINTER, CAIRO_STATUS_NO_MEMORY, CAIRO_STATUS_READ_ERROR, CAIRO_STATUS_INVALID_CONTENT, CAIRO_STATUS_INVALID_FORMAT, or CAIRO_STATUS_INVALID_VISUAL.
248 	 */
249 	public cairo_status_t status()
250 	{
251 		// cairo_status_t cairo_surface_status (cairo_surface_t *surface);
252 		return cairo_surface_status(cairo_surface);
253 	}
254 	
255 	/**
256 	 * This function finishes the surface and drops all references to
257 	 * external resources. For example, for the Xlib backend it means
258 	 * that cairo will no longer access the drawable, which can be freed.
259 	 * After calling cairo_surface_finish() the only valid operations on a
260 	 * surface are getting and setting user, referencing and
261 	 * destroying, and flushing and finishing it.
262 	 * Further drawing to the surface will not affect the
263 	 * surface but will instead trigger a CAIRO_STATUS_SURFACE_FINISHED
264 	 * error.
265 	 * When the last call to cairo_surface_destroy() decreases the
266 	 * reference count to zero, cairo will call cairo_surface_finish() if
267 	 * it hasn't been called already, before freeing the resources
268 	 * associated with the surface.
269 	 */
270 	public void finish()
271 	{
272 		// void cairo_surface_finish (cairo_surface_t *surface);
273 		cairo_surface_finish(cairo_surface);
274 	}
275 	
276 	/**
277 	 * Do any pending drawing for the surface and also restore any
278 	 * temporary modifications cairo has made to the surface's
279 	 * state. This function must be called before switching from
280 	 * drawing on the surface with cairo to drawing on it directly
281 	 * with native APIs. If the surface doesn't support direct access,
282 	 * then this function does nothing.
283 	 */
284 	public void flush()
285 	{
286 		// void cairo_surface_flush (cairo_surface_t *surface);
287 		cairo_surface_flush(cairo_surface);
288 	}
289 	
290 	/**
291 	 * This function returns the device for a surface.
292 	 * See cairo_device_t.
293 	 * Since 1.10
294 	 * Returns: The device for surface or NULL if the surface does not have an associated device.
295 	 */
296 	public Device getDevice()
297 	{
298 		// cairo_device_t * cairo_surface_get_device (cairo_surface_t *surface);
299 		auto p = cairo_surface_get_device(cairo_surface);
300 		
301 		if(p is null)
302 		{
303 			return null;
304 		}
305 		
306 		return new Device(cast(cairo_device_t*) p);
307 	}
308 	
309 	/**
310 	 * Retrieves the default font rendering options for the surface.
311 	 * This allows display surfaces to report the correct subpixel order
312 	 * for rendering on them, print surfaces to disable hinting of
313 	 * metrics and so forth. The result can then be used with
314 	 * cairo_scaled_font_create().
315 	 * Params:
316 	 * options = a cairo_font_options_t object into which to store
317 	 *  the retrieved options. All existing values are overwritten
318 	 */
319 	public void getFontOptions(FontOption options)
320 	{
321 		// void cairo_surface_get_font_options (cairo_surface_t *surface,  cairo_font_options_t *options);
322 		cairo_surface_get_font_options(cairo_surface, (options is null) ? null : options.getFontOptionStruct());
323 	}
324 	
325 	/**
326 	 * This function returns the content type of surface which indicates
327 	 * whether the surface contains color and/or alpha information. See
328 	 * cairo_content_t.
329 	 * Since 1.2
330 	 * Returns: The content type of surface.
331 	 */
332 	public cairo_content_t getContent()
333 	{
334 		// cairo_content_t cairo_surface_get_content (cairo_surface_t *surface);
335 		return cairo_surface_get_content(cairo_surface);
336 	}
337 	
338 	/**
339 	 * Tells cairo that drawing has been done to surface using means other
340 	 * than cairo, and that cairo should reread any cached areas. Note
341 	 * that you must call cairo_surface_flush() before doing such drawing.
342 	 */
343 	public void markDirty()
344 	{
345 		// void cairo_surface_mark_dirty (cairo_surface_t *surface);
346 		cairo_surface_mark_dirty(cairo_surface);
347 	}
348 	
349 	/**
350 	 * Like cairo_surface_mark_dirty(), but drawing has been done only to
351 	 * the specified rectangle, so that cairo can retain cached contents
352 	 * for other parts of the surface.
353 	 * Any cached clip set on the surface will be reset by this function,
354 	 * to make sure that future cairo calls have the clip set that they
355 	 * expect.
356 	 * Params:
357 	 * x = X coordinate of dirty rectangle
358 	 * y = Y coordinate of dirty rectangle
359 	 * width = width of dirty rectangle
360 	 * height = height of dirty rectangle
361 	 */
362 	public void markDirtyRectangle(int x, int y, int width, int height)
363 	{
364 		// void cairo_surface_mark_dirty_rectangle (cairo_surface_t *surface,  int x,  int y,  int width,  int height);
365 		cairo_surface_mark_dirty_rectangle(cairo_surface, x, y, width, height);
366 	}
367 	
368 	/**
369 	 * Sets an offset that is added to the device coordinates determined
370 	 * by the CTM when drawing to surface. One use case for this function
371 	 * is when we want to create a cairo_surface_t that redirects drawing
372 	 * for a portion of an onscreen surface to an offscreen surface in a
373 	 * way that is completely invisible to the user of the cairo
374 	 * API. Setting a transformation via cairo_translate() isn't
375 	 * sufficient to do this, since functions like
376 	 * cairo_device_to_user() will expose the hidden offset.
377 	 * Note that the offset affects drawing to the surface as well as
378 	 * using the surface in a source pattern.
379 	 * Params:
380 	 * xOffset = the offset in the X direction, in device units
381 	 * yOffset = the offset in the Y direction, in device units
382 	 */
383 	public void setDeviceOffset(double xOffset, double yOffset)
384 	{
385 		// void cairo_surface_set_device_offset (cairo_surface_t *surface,  double x_offset,  double y_offset);
386 		cairo_surface_set_device_offset(cairo_surface, xOffset, yOffset);
387 	}
388 	
389 	/**
390 	 * This function returns the previous device offset set by
391 	 * cairo_surface_set_device_offset().
392 	 * Since 1.2
393 	 * Params:
394 	 * xOffset = the offset in the X direction, in device units
395 	 * yOffset = the offset in the Y direction, in device units
396 	 */
397 	public void getDeviceOffset(out double xOffset, out double yOffset)
398 	{
399 		// void cairo_surface_get_device_offset (cairo_surface_t *surface,  double *x_offset,  double *y_offset);
400 		cairo_surface_get_device_offset(cairo_surface, &xOffset, &yOffset);
401 	}
402 	
403 	/**
404 	 * Set the horizontal and vertical resolution for image fallbacks.
405 	 * When certain operations aren't supported natively by a backend,
406 	 * cairo will fallback by rendering operations to an image and then
407 	 * overlaying that image onto the output. For backends that are
408 	 * natively vector-oriented, this function can be used to set the
409 	 * resolution used for these image fallbacks, (larger values will
410 	 * result in more detailed images, but also larger file sizes).
411 	 * Some examples of natively vector-oriented backends are the ps, pdf,
412 	 * and svg backends.
413 	 * For backends that are natively raster-oriented, image fallbacks are
414 	 * still possible, but they are always performed at the native
415 	 * device resolution. So this function has no effect on those
416 	 * backends.
417 	 * Note: The fallback resolution only takes effect at the time of
418 	 * completing a page (with cairo_show_page() or cairo_copy_page()) so
419 	 * there is currently no way to have more than one fallback resolution
420 	 * in effect on a single page.
421 	 * The default fallback resoultion is 300 pixels per inch in both
422 	 * dimensions.
423 	 * Since 1.2
424 	 * Params:
425 	 * xPixelsPerInch = horizontal setting for pixels per inch
426 	 * yPixelsPerInch = vertical setting for pixels per inch
427 	 */
428 	public void setFallbackResolution(double xPixelsPerInch, double yPixelsPerInch)
429 	{
430 		// void cairo_surface_set_fallback_resolution  (cairo_surface_t *surface,  double x_pixels_per_inch,  double y_pixels_per_inch);
431 		cairo_surface_set_fallback_resolution(cairo_surface, xPixelsPerInch, yPixelsPerInch);
432 	}
433 	
434 	/**
435 	 * This function returns the previous fallback resolution set by
436 	 * cairo_surface_set_fallback_resolution(), or default fallback
437 	 * resolution if never set.
438 	 * Since 1.8
439 	 * Params:
440 	 * xPixelsPerInch = horizontal pixels per inch
441 	 * yPixelsPerInch = vertical pixels per inch
442 	 */
443 	public void getFallbackResolution(out double xPixelsPerInch, out double yPixelsPerInch)
444 	{
445 		// void cairo_surface_get_fallback_resolution  (cairo_surface_t *surface,  double *x_pixels_per_inch,  double *y_pixels_per_inch);
446 		cairo_surface_get_fallback_resolution(cairo_surface, &xPixelsPerInch, &yPixelsPerInch);
447 	}
448 	
449 	/**
450 	 * This function returns the type of the backend used to create
451 	 * a surface. See cairo_surface_type_t for available types.
452 	 * Since 1.2
453 	 * Params:
454 	 * surface = a cairo_surface_t
455 	 * Returns: The type of surface.
456 	 */
457 	public cairo_surface_type_t getType()
458 	{
459 		// cairo_surface_type_t cairo_surface_get_type (cairo_surface_t *surface);
460 		return cairo_surface_get_type(cairo_surface);
461 	}
462 	
463 	/**
464 	 * Returns the current reference count of surface.
465 	 * Since 1.4
466 	 * Returns: the current reference count of surface. If the object is a nil object, 0 will be returned.
467 	 */
468 	public uint getReferenceCount()
469 	{
470 		// unsigned int cairo_surface_get_reference_count (cairo_surface_t *surface);
471 		return cairo_surface_get_reference_count(cairo_surface);
472 	}
473 	
474 	/**
475 	 * Attach user data to surface. To remove user data from a surface,
476 	 * call this function with the key that was used to set it and NULL
477 	 * for data.
478 	 * Params:
479 	 * key = the address of a cairo_user_data_key_t to attach the user data to
480 	 * userData = the user data to attach to the surface
481 	 * destroy = a cairo_destroy_func_t which will be called when the
482 	 * surface is destroyed or when new user data is attached using the
483 	 * same key.
484 	 * Returns: CAIRO_STATUS_SUCCESS or CAIRO_STATUS_NO_MEMORY if a slot could not be allocated for the user data.
485 	 */
486 	public cairo_status_t setUserData(cairo_user_data_key_t* key, void* userData, cairo_destroy_func_t destroy)
487 	{
488 		// cairo_status_t cairo_surface_set_user_data (cairo_surface_t *surface,  const cairo_user_data_key_t *key,  void *user_data,  cairo_destroy_func_t destroy);
489 		return cairo_surface_set_user_data(cairo_surface, key, userData, destroy);
490 	}
491 	
492 	/**
493 	 * Return user data previously attached to surface using the specified
494 	 * key. If no user data has been attached with the given key this
495 	 * function returns NULL.
496 	 * Params:
497 	 * key = the address of the cairo_user_data_key_t the user data was
498 	 * attached to
499 	 * Returns: the user data previously attached or NULL.
500 	 */
501 	public void* getUserData(cairo_user_data_key_t* key)
502 	{
503 		// void * cairo_surface_get_user_data (cairo_surface_t *surface,  const cairo_user_data_key_t *key);
504 		return cairo_surface_get_user_data(cairo_surface, key);
505 	}
506 	
507 	/**
508 	 * Emits the current page for backends that support multiple pages,
509 	 * but doesn't clear it, so that the contents of the current page will
510 	 * be retained for the next page. Use cairo_surface_show_page() if you
511 	 * want to get an empty page after the emission.
512 	 * There is a convenience function for this that takes a cairo_t,
513 	 * namely cairo_copy_page().
514 	 * Since 1.6
515 	 */
516 	public void copyPage()
517 	{
518 		// void cairo_surface_copy_page (cairo_surface_t *surface);
519 		cairo_surface_copy_page(cairo_surface);
520 	}
521 	
522 	/**
523 	 * Emits and clears the current page for backends that support multiple
524 	 * pages. Use cairo_surface_copy_page() if you don't want to clear the page.
525 	 * There is a convenience function for this that takes a cairo_t,
526 	 * namely cairo_show_page().
527 	 * Since 1.6
528 	 */
529 	public void showPage()
530 	{
531 		// void cairo_surface_show_page (cairo_surface_t *surface);
532 		cairo_surface_show_page(cairo_surface);
533 	}
534 	
535 	/**
536 	 * Returns whether the surface supports
537 	 * sophisticated cairo_show_text_glyphs() operations. That is,
538 	 * whether it actually uses the provided text and cluster data
539 	 * to a cairo_show_text_glyphs() call.
540 	 * Note: Even if this function returns FALSE, a
541 	 * cairo_show_text_glyphs() operation targeted at surface will
542 	 * still succeed. It just will
543 	 * act like a cairo_show_glyphs() operation. Users can use this
544 	 * function to avoid computing UTF-8 text and cluster mapping if the
545 	 * target surface does not use it.
546 	 * Since 1.8
547 	 * Returns: TRUE if surface supports cairo_show_text_glyphs(), FALSE otherwise
548 	 */
549 	public cairo_bool_t hasShowTextGlyphs()
550 	{
551 		// cairo_bool_t cairo_surface_has_show_text_glyphs (cairo_surface_t *surface);
552 		return cairo_surface_has_show_text_glyphs(cairo_surface);
553 	}
554 	
555 	/**
556 	 * Attach an image in the format mime_type to surface. To remove
557 	 * the data from a surface, call this function with same mime type
558 	 * and NULL for data.
559 	 * The attached image (or filename) data can later be used by backends
560 	 * which support it (currently: PDF, PS, SVG and Win32 Printing
561 	 * surfaces) to emit this data instead of making a snapshot of the
562 	 * surface. This approach tends to be faster and requires less
563 	 * memory and disk space.
564 	 * The recognized MIME types are the following: CAIRO_MIME_TYPE_JPEG,
565 	 * CAIRO_MIME_TYPE_PNG, CAIRO_MIME_TYPE_JP2, CAIRO_MIME_TYPE_URI.
566 	 * See corresponding backend surface docs for details about which MIME
567 	 * types it can handle. Caution: the associated MIME data will be
568 	 * discarded if you draw on the surface afterwards. Use this function
569 	 * with care.
570 	 * Since 1.10
571 	 * Params:
572 	 * mimeType = the MIME type of the image data
573 	 * data = the image data to attach to the surface
574 	 * destroy = a cairo_destroy_func_t which will be called when the
575 	 * surface is destroyed or when new image data is attached using the
576 	 * same mime type.
577 	 * closure = the data to be passed to the destroy notifier
578 	 * Returns: CAIRO_STATUS_SUCCESS or CAIRO_STATUS_NO_MEMORY if a slot could not be allocated for the user data.
579 	 */
580 	public cairo_status_t setMimeData(string mimeType, ubyte[] data, cairo_destroy_func_t destroy, void* closure)
581 	{
582 		// cairo_status_t cairo_surface_set_mime_data (cairo_surface_t *surface,  const char *mime_type,  unsigned char *data,  unsigned long  length,  cairo_destroy_func_t destroy,  void *closure);
583 		return cairo_surface_set_mime_data(cairo_surface, Str.toStringz(mimeType), data.ptr, cast(int) data.length, destroy, closure);
584 	}
585 }