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efl/src/lib/evas/canvas/evas_image.eo

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class Evas.Image (Evas.Object, Efl.File, Efl.Image, Efl.Gfx.Fill, Efl.Gfx.View)
{
legacy_prefix: evas_object_image;
eo_prefix: evas_obj_image;
properties {
load_dpi {
set {
/*@
Set the DPI resolution of an image object's source image.
This function sets the DPI resolution of a given loaded canvas
image. Most useful for the SVG image loader.
@see evas_object_image_load_dpi_get() */
}
get {
/*@
Get the DPI resolution of a loaded image object in the canvas.
@return The DPI resolution of the given canvas image.
This function returns the DPI resolution of the given canvas image.
@see evas_object_image_load_dpi_set() for more details */
}
values {
double dpi; /*@ The new DPI resolution. */
}
}
source_clip {
set {
/*@
Clip the proxy object with the source object's clipper.
@see evas_object_clip_set()
@see evas_object_image_source_set()
@since 1.8 */
}
get {
/*@
Determine whether an object is clipped by source object's clipper.
@return @c EINA_TRUE if source clip is enabled, @c EINA_FALSE otherwise.
@see evas_object_clip_set()
@see evas_object_image_source_set()
@see evas_object_image_source_clip_set()
@since 1.8 */
}
values {
bool source_clip; /*@ whether @p obj is clipped by the source clipper.
(@c EINA_TRUE) or not (@c EINA_FALSE) */
}
}
source {
set {
/*@
Set the source object on an image object to used as a @b proxy.
@return @c EINA_TRUE on success, @c EINA_FALSE on error.
If an image object is set to behave as a @b proxy, it will mirror
the rendering contents of a given @b source object in its drawing
region, without affecting that source in any way. The source must
be another valid Evas object. Other effects may be applied to the
proxy, such as a map (see evas_object_map_set()) to create a
reflection of the original object (for example).
Any existing source object on @p obj will be removed after this
call. Setting @p src to @c NULL clears the proxy object (not in
"proxy state" anymore).
@warning You cannot set a proxy as another proxy's source.
@see evas_object_image_source_get()
@see evas_object_image_source_unset()
@see evas_object_image_source_visible_set() */
return: bool;
}
get {
/*@
Get the current source object of an image object.
@return Source object (if any), or @c NULL, if not in "proxy mode"
(or on errors).
@see evas_object_image_source_set() for more details */
}
values {
Evas_Object *src; /*@ Source object to use for the proxy. */
}
}
filled {
set {
/*@
Set whether the image object's fill property should track the
object's size.
If @p setting is @c EINA_TRUE, then every evas_object_resize() will
@b automatically trigger a call to evas_object_image_fill_set()
with the that new size (and @c 0, @c 0 as source image's origin),
so the bound image will fill the whole object's area.
@see evas_object_image_filled_add()
@see evas_object_image_fill_get() */
}
get {
/*@
Retrieve whether the image object's fill property should track the
object's size.
@return @c EINA_TRUE if it is tracking, @c EINA_FALSE, if not (and
evas_object_fill_set() must be called manually).
@see evas_object_image_filled_set() for more information */
}
values {
bool filled; /*@ @c EINA_TRUE, to make the fill property follow
object size or @c EINA_FALSE, otherwise. */
}
}
content_hint {
set {
/*@
Set the content hint setting of a given image object of the canvas.
This function sets the content hint value of the given image of the
canvas. For example, if you're on the GL engine and your driver
implementation supports it, setting this hint to
#EVAS_IMAGE_CONTENT_HINT_DYNAMIC will make it need @b zero copies
at texture upload time, which is an "expensive" operation.
@see evas_object_image_content_hint_get() */
}
get {
/*@
Get the content hint setting of a given image object of the canvas.
@return hint The content hint value set on it, one of the
#Evas_Image_Content_Hint ones (#EVAS_IMAGE_CONTENT_HINT_NONE means
an error).
This function returns the content hint value of the given image of
the canvas.
@see evas_object_image_content_hint_set() */
}
values {
Evas_Image_Content_Hint hint; /*@ The content hint value, one of the
#Evas_Image_Content_Hint ones. */
}
}
load_region {
set {
/*@
Inform a given image object to load a selective region of its
source image.
This function is useful when one is not showing all of an image's
area on its image object.
@note The image loader for the image format in question has to
support selective region loading in order to this function to take
effect.
@see evas_object_image_load_region_get() */
}
get {
/*@
Retrieve the coordinates of a given image object's selective
(source image) load region.
@note Use @c NULL pointers on the coordinates you're not interested
in: they'll be ignored by the function.
@see evas_object_image_load_region_get() */
}
values {
int x; /*@ X-offset of the region to be loaded. */
int y; /*@ Y-offset of the region to be loaded. */
int w; /*@ Width of the region to be loaded. */
int h; /*@ Height of the region to be loaded. */
}
}
alpha {
set {
/*@
Enable or disable alpha channel usage on the given image object.
This function sets a flag on an image object indicating whether or
not to use alpha channel data. A value of @c EINA_TRUE makes it use
alpha channel data, and @c EINA_FALSE makes it ignore that
data. Note that this has nothing to do with an object's color as
manipulated by evas_object_color_set().
@see evas_object_image_alpha_get() */
}
get {
/*@
Retrieve whether alpha channel data is being used on the given
image object.
@return Whether the alpha channel data is being used (@c EINA_TRUE)
or not (@c EINA_FALSE).
This function returns @c EINA_TRUE if the image object's alpha
channel is being used, or @c EINA_FALSE otherwise.
See @ref evas_object_image_alpha_set() for more details. */
}
values {
bool alpha; /*@ Whether to use alpha channel (@c EINA_TRUE) data
or not (@c EINA_FALSE). */
}
}
border {
set {
/*@
Set the dimensions for an image object's border, a region which @b
won't ever be scaled together with its center.
When Evas is rendering, an image source may be scaled to fit the
size of its image object. This function sets an area from the
borders of the image inwards which is @b not to be scaled. This
function is useful for making frames and for widget theming, where,
for example, buttons may be of varying sizes, but their border size
must remain constant.
The units used for @p l, @p r, @p t and @p b are canvas units.
@note The border region itself @b may be scaled by the
evas_object_image_border_scale_set() function.
@note By default, image objects have no borders set, i. e. @c l, @c
r, @c t and @c b start as @c 0.
See the following figures for visual explanation:\n
@htmlonly
<img src="image-borders.png" style="max-width: 100%;" />
<a href="image-borders.png">Full-size</a>
@endhtmlonly
@image rtf image-borders.png
@image latex image-borders.eps width=\textwidth
@htmlonly
<img src="border-effect.png" style="max-width: 100%;" />
<a href="border-effect.png">Full-size</a>
@endhtmlonly
@image rtf border-effect.png
@image latex border-effect.eps width=\textwidth
@see evas_object_image_border_get()
@see evas_object_image_border_center_fill_set() */
}
get {
/*@
Retrieve the dimensions for an image object's border, a region
which @b won't ever be scaled together with its center.
@note Use @c NULL pointers on the border components you're not
interested in: they'll be ignored by the function.
See @ref evas_object_image_border_set() for more details. */
}
values {
int l; /*@ The border's left width. */
int r; /*@ The border's right width. */
int t; /*@ The border's top width. */
int b; /*@ The border's bottom width. */
}
}
border_scale {
set {
/*@
Sets the scaling factor (multiplier) for the borders of an image
object.
@see evas_object_image_border_set()
@see evas_object_image_border_scale_get() */
}
get {
/*@
Retrieves the scaling factor (multiplier) for the borders of an
image object.
@return The scale factor set for its borders
@see evas_object_image_border_set()
@see evas_object_image_border_scale_set() */
}
values {
double scale; /*@ The scale factor (default is @c 1.0 - i.e. no scaling) */
}
}
pixels_dirty {
set {
/*@
Mark whether the given image object is dirty and needs to request its pixels.
This function will only properly work if a pixels get callback has been set.
@warning use this function if you really know what you are doing.
@see evas_object_image_pixels_get_callback_set() */
}
get {
/*@
Retrieves whether the given image object is dirty (needs to be redrawn).
@return Whether the image is dirty. */
}
values {
bool dirty; /*@ Whether the image is dirty. */
}
}
video_surface {
set {
/*@
Set the video surface linked to a given image of the canvas
This function links a video surface to a given canvas image. */
}
get {
/*@
Get the video surface linekd to a given image of the canvas
@return The video surface of the given canvas image.
@since 1.1
This function returns the video surface linked to a given canvas image. */
}
values {
Evas_Video_Surface *surf @const_get; /*@ The new video surface.
@since 1.1 */
}
}
video_surface_caps {
set {
/*@ Set the video surface capabilities to a given image of the canvas */
}
get {
/*@ Get the video surface capabilities to a given image of the canvas */
}
values {
uint caps; /*@ in */
}
}
load_orientation {
set {
/*@
Define if the orientation information in the image file should be honored.
@since 1.1 */
}
get {
/*@
Get if the orientation information in the image file should be honored.
@since 1.1 */
}
values {
bool enable; /*@ @c EINA_TRUE means that it should honor the orientation information */
}
}
border_center_fill {
set {
/*@
Sets @b how the center part of the given image object (not the
borders) should be drawn when Evas is rendering it.
This function sets how the center part of the image object's source
image is to be drawn, which must be one of the values in
#Evas_Border_Fill_Mode. By center we mean the complementary part of
that defined by evas_object_image_border_set(). This one is very
useful for making frames and decorations. You would most probably
also be using a filled image (as in evas_object_image_filled_set())
to use as a frame.
@see evas_object_image_border_center_fill_get() */
}
get {
/*@
Retrieves @b how the center part of the given image object (not the
borders) is to be drawn when Evas is rendering it.
@return fill Fill mode of the center region of @p obj (a value in
#Evas_Border_Fill_Mode).
See @ref evas_object_image_fill_set() for more details. */
}
values {
Evas_Border_Fill_Mode fill; /*@ Fill mode of the center region of @p obj (a value in
#Evas_Border_Fill_Mode). */
}
}
source_visible {
set {
/*@
Set the source object to be visible or not.
If the @p visible set to @c EINA_FALSE, the source object of the proxy(@p obj
) will be invisible.
This API works differently to evas_object_show() and evas_object_hide().
Once source object is hidden by evas_object_hide() then the proxy object will
be hidden as well. Actually in this case both objects are excluded from the
Evas internal update circle.
By this API, instead, one can toggle the visibility of a proxy's source
object remaining the proxy visibility untouched.
@warning If the all of proxies are deleted, then the source visibility of the
source object will be cancelled.
@see evas_object_image_source_visible_get()
@see evas_object_image_source_set()
@see evas_object_show()
@see evas_object_hide()
@since 1.8 */
}
get {
/*@
Get the state of the source object visibility.
@return @c EINA_TRUE if source object is visible, @c EINA_FALSE otherwise.
@see evas_object_image_source_visible_set()
@see evas_object_image_source_set()
@see evas_object_show()
@see evas_object_hide()
@since 1.8 */
}
values {
bool visible; /*@ @c EINA_TRUE is source object to be shown, @c EINA_FALSE
otherwise. */
}
}
native_surface {
set {
/*@
Set the native surface of a given image of the canvas
This function sets a native surface of a given canvas image. */
legacy: null;
}
get {
/*@
Get the native surface of a given image of the canvas
@return The native surface of the given canvas image.
This function returns the native surface of a given canvas image. */
}
values {
Evas_Native_Surface *surf/* @const_get*/ @nonull; /*@ The new native surface. */
}
}
load_scale_down {
set {
/*@
Set the scale down factor of a given image object's source image,
when loading it.
This function sets the scale down factor of a given canvas
image. Most useful for the SVG image loader.
@see evas_object_image_load_scale_down_get() */
}
get {
/*@
get the scale down factor of a given image object's source image,
when loading it.
@see evas_object_image_load_scale_down_set() for more details */
}
values {
int scale_down; /*@ The scale down factor. */
}
}
scale_hint {
set {
/*@
Set the scale hint of a given image of the canvas.
This function sets the scale hint value of the given image object
in the canvas, which will affect how Evas is to cache scaled
versions of its original source image.
@see evas_object_image_scale_hint_get() */
}
get {
/*@
Get the scale hint of a given image of the canvas.
@return The scale hint value set on @p obj, a value in
#Evas_Image_Scale_Hint.
This function returns the scale hint value of the given image
object of the canvas.
@see evas_object_image_scale_hint_set() for more details. */
}
values {
Evas_Image_Scale_Hint hint; /*@ The scale hint, a value in
#Evas_Image_Scale_Hint. */
}
}
source_events {
set {
/*@
Set whether an Evas object is to source events.
Set whether an Evas object is to repeat events to source.
If @p source is @c EINA_TRUE, it will make events on @p obj to also be
repeated for the source object (see evas_object_image_source_set()). Even the
@p obj and source geometries are different, the event position will be
transformed to the source object's space.
If @p source is @c EINA_FALSE, events occurring on @p obj will be
processed only on it.
@see evas_object_image_source_get()
@see evas_object_image_source_visible_set()
@see evas_object_image_source_events_get()
@since 1.8 */
}
get {
/*@
Determine whether an object is set to source events.
@return @c EINA_TRUE if source object has events, @c EINA_FALSE otherwise.
@see evas_object_image_source_set()
@see evas_object_image_source_visible_set()
@see evas_object_image_source_events_set()
@since 1.8 */
}
values {
bool source; /*@ whether @p obj is to pass events (@c EINA_TRUE) or not
(@c EINA_FALSE) */
}
}
colorspace {
set {
/*@
Set the colorspace of a given image of the canvas.
This function sets the colorspace of given canvas image. */
}
get {
/*@
Get the colorspace of a given image of the canvas.
@return The colorspace of the image.
This function returns the colorspace of given canvas image. */
}
values {
Evas_Colorspace cspace; /*@ The new color space. */
}
}
pixels_get_callback {
set {
/*@
Set the callback function to get pixels from a canvas' image.
This functions sets a function to be the callback function that get
pixels from a image of the canvas. */
}
values {
Evas_Object_Image_Pixels_Get_Cb func @nonull; /*@ The callback function. */
void *data; /*@ The data pointer to be passed to @a func. */
}
}
data_copy {
set {
/*@
Replaces the raw image data of the given image object.
This function lets the application replace an image object's
internal pixel buffer with an user-allocated one. For best results,
you should generally first call evas_object_image_size_set() with
the width and height for the new buffer.
This call is best suited for when you will be using image data with
different dimensions than the existing image data, if any. If you
only need to modify the existing image in some fashion, then using
evas_object_image_data_get() is probably what you are after.
Note that the caller is responsible for freeing the buffer when
finished with it, as user-set image data will not be automatically
freed when the image object is deleted.
See @ref evas_object_image_data_get() for more details. */
}
values {
void *data; /*@ The raw data to replace. */
}
}
animated_frame {
set {
/*@
Set the frame to current frame of an image object
This set image object's current frame to frame_num with 1 being the first
frame.
@see evas_object_image_animated_get()
@see evas_object_image_animated_frame_count_get()
@see evas_object_image_animated_loop_type_get()
@see evas_object_image_animated_loop_count_get()
@see evas_object_image_animated_frame_duration_get()
@see evas_object_image_animated_frame_set()
@since 1.1 */
}
values {
int frame_index; /*@ The index of current frame */
}
}
region_support {
get {
/*@
Get the support state of a given image
@return The region support state
@since 1.2
This function returns the state of the region support of given image */
return: bool @warn_unused;
}
}
load_error {
get {
/*@
Retrieves a number representing any error that occurred during the
last loading of the given image object's source image.
@return A value giving the last error that occurred. It should be
one of the #Evas_Load_Error values. #EVAS_LOAD_ERROR_NONE
is returned if there was no error. */
return: Evas_Load_Error @warn_unused;
}
}
animated_frame_count {
get {
/*@
Get the total number of frames of the image object.
@return The number of frames
This returns total number of frames the image object supports (if animated)
@see evas_object_image_animated_get()
@see evas_object_image_animated_frame_count_get()
@see evas_object_image_animated_loop_type_get()
@see evas_object_image_animated_loop_count_get()
@see evas_object_image_animated_frame_duration_get()
@see evas_object_image_animated_frame_set()
@since 1.1 */
return: int;
}
}
stride {
get {
/*@
Retrieves the row stride of the given image object.
@return The stride of the image (<b>in bytes</b>).
The row stride is the number of bytes between the start of a row
and the start of the next row for image data. */
return: int @warn_unused;
}
}
animated_loop_type {
get {
/*@
Get the kind of looping the image object does.
@return Loop type of the image object
This returns the kind of looping the image object wants to do.
If it returns EVAS_IMAGE_ANIMATED_HINT_LOOP, you should display frames in a sequence like:
1->2->3->1->2->3->1...
If it returns EVAS_IMAGE_ANIMATED_HINT_PINGPONG, it is better to
display frames in a sequence like: 1->2->3->2->1->2->3->1...
The default type is EVAS_IMAGE_ANIMATED_HINT_LOOP.
@see evas_object_image_animated_get()
@see evas_object_image_animated_frame_count_get()
@see evas_object_image_animated_loop_type_get()
@see evas_object_image_animated_loop_count_get()
@see evas_object_image_animated_frame_duration_get()
@see evas_object_image_animated_frame_set()
@since 1.1 */
return: Evas_Image_Animated_Loop_Hint;
}
}
animated_loop_count {
get {
/*@
Get the number times the animation of the object loops.
@return The number of loop of an animated image object
This returns loop count of image. The loop count is the number of times
the animation will play fully from first to last frame until the animation
should stop (at the final frame).
If 0 is returned, then looping should happen indefinitely (no limit to
the number of times it loops).
@see evas_object_image_animated_get()
@see evas_object_image_animated_frame_count_get()
@see evas_object_image_animated_loop_type_get()
@see evas_object_image_animated_loop_count_get()
@see evas_object_image_animated_frame_duration_get()
@see evas_object_image_animated_frame_set()
@since 1.1 */
return: int;
}
}
scene {
set {
/*@
Set the 3D scene of a given image of the canvas.
This function sets a 3d scene of a given canvas image.
@see evas_object_image_scene_set
@since 1.10 */
legacy: null;
}
get {
/*@
Get the 3D scene of a given image of the canvas.
@return The 3d scene of the given canvas image.
This function returns the 3d scene of a given canvas image.
@see evas_object_image_scene_get
@since 1.10 */
legacy: null;
}
values {
Evas_3D_Scene *scene; /*@ 3D scene on an image object. */
}
}
filter_program {
set {
/*@ Set an Evas filter program on this Text Object.
If the program fails to compile (syntax error, invalid
buffer name, etc...), the standard text effects will be
applied instead (SHADOW, etc...). switch back to the
standard text effects.
@since 1.9
@note EXPERIMENTAL FEATURE. This is an unstable API,
please use only for testing purposes.
@see @ref evasfiltersref "Evas filters reference"
*/
legacy: null;
}
values {
const(char)* program; /*@ The program code, as defined
by the @ref evasfiltersref "Evas filters script language".
Pass NULL to remove the former program and switch back
to the standard text effect
@since 1.9
@note EXPERIMENTAL FEATURE. This is an unstable API,
please use only for testing purposes.
@see @ref evasfiltersref "Evas filters reference"
*/
}
}
filter_source {
set {
/*@ Bind an object to use as a mask or texture with Evas Filters.
This will create automatically a new RGBA buffer containing
the source object's pixels (as it is rendered). */
legacy: null;
}
values {
const(char)* name; /*@ Object name as used in the program code */
Eo* eobj; /*@ Eo object to use through proxy rendering */
}
}
filter_padding {
get {
/*@ Get the value of the extra padding set when a filter is used. */
return: bool; /*@ Returns false if the filter is invalid and padding is 0 */
legacy: null;
}
values {
int l; /*@ Left padding in pixels */
int r; /*@ Right padding in pixels */
int t; /*@ Top padding in pixels */
int b; /*@ Bottom padding in pixels */
}
}
orient {
set {
/*@
Set the image orientation.
This function allows to rotate or flip the image.
@see evas_object_image_orient_get()
@see @ref Evas_Image_Orient
@since 1.14*/
}
get {
/*@
Get the image orientation.
@return The image orientation @ref Evas_Image_Orient
@see evas_object_image_orient_set()
@see @ref Evas_Image_Orient
@since 1.14*/
}
values {
Evas_Image_Orient orient; /*@ The image orientation @ref Evas_Image_Orient
Default is #EVAS_IMAGE_ORIENT_NONE. */
}
}
}
methods {
preload_begin {
/*@ Begin preloading an image object's image data in the background */
legacy: null;
}
data_update_add {
/*@
Mark a sub-region of the given image object to be redrawn.
This function schedules a particular rectangular region of an image
object to be updated (redrawn) at the next rendering cycle. */
params {
@in int x; /*@ X-offset of the region to be updated. */
@in int y; /*@ Y-offset of the region to be updated. */
@in int w; /*@ Width of the region to be updated. */
@in int h; /*@ Height of the region to be updated. */
}
}
animated_frame_duration_get @const {
/*@
Get the duration of a sequence of frames.
This returns total duration that the specified sequence of frames should
take in seconds.
If you set start_frame to 1 and frame_num 0, you get frame 1's duration
If you set start_frame to 1 and frame_num 1, you get frame 1's duration +
frame2's duration
@see evas_object_image_animated_get()
@see evas_object_image_animated_frame_count_get()
@see evas_object_image_animated_loop_type_get()
@see evas_object_image_animated_loop_count_get()
@see evas_object_image_animated_frame_duration_get()
@see evas_object_image_animated_frame_set()
@since 1.1 */
return: double;
params {
@in int start_frame; /*@ The first frame */
@in int frame_num; /*@ Number of frames in the sequence */
}
}
data_set {
/*@
Sets the raw image data of the given image object.
Note that the raw data must be of the same size (see
evas_object_image_size_set(), which has to be called @b before this
one) and colorspace (see evas_object_image_colorspace_set()) of the
image. If data is @c NULL, the current image data will be
freed. Naturally, if one does not set an image object's data
manually, it will still have one, allocated by Evas.
@see evas_object_image_data_get() */
params {
@in void *data; /*@ The raw data, or @c NULL. */
}
}
data_get @const {
/*@
Get a pointer to the raw image data of the given image object.
@return The raw image data.
This function returns a pointer to an image object's internal pixel
buffer, for reading only or read/write. If you request it for
writing, the image will be marked dirty so that it gets redrawn at
the next update.
Each time you call this function on an image object, its data
buffer will have an internal reference counter
incremented. Decrement it back by using
evas_object_image_data_set().
This is best suited for when you want to modify an existing image,
without changing its dimensions.
@note The contents' format returned by it depend on the color
space of the given image object.
@note You may want to use evas_object_image_data_update_add() to
inform data changes, if you did any.
@see evas_object_image_data_set() */
return: void * @warn_unused;
params {
@in bool for_writing; /*@ Whether the data being retrieved will be
modified (@c EINA_TRUE) or not (@c EINA_FALSE). */
}
}
preload_cancel {
/*@ Cancel preloading an image object's image data in the background */
legacy: null;
}
data_convert {
/*@
Converts the raw image data of the given image object to the
specified colorspace.
Note that this function does not modify the raw image data. If the
requested colorspace is the same as the image colorspace nothing is
done and @c NULL is returned. You should use
evas_object_image_colorspace_get() to check the current image
colorspace.
See @ref evas_object_image_colorspace_get.
@return data A newly allocated data in the format specified by to_cspace. */
return: void * @warn_unused;
params {
@in Evas_Colorspace to_cspace; /*@ The colorspace to which the image raw data will be converted. */
}
}
pixels_import {
/*@
Import pixels from given source to a given canvas image object.
This function imports pixels from a given source to a given canvas image. */
return: bool;
params {
@in Evas_Pixel_Import_Source *pixels @nonull; /*@ The pixel's source to be imported. */
}
}
reload {
/*@
Reload an image object's image data.
This function reloads the image data bound to image object @p obj. */
}
}
implements {
Eo.Base.constructor;
Eo.Base.destructor;
Eo.Base.dbg_info_get;
Efl.File.file.set;
Efl.File.file.get;
Efl.File.mmap.set;
Efl.File.mmap.get;
Efl.File.save;
Efl.Image.animated.get;
Efl.Image.load_size.set;
Efl.Image.load_size.get;
Efl.Image.smooth_scale.set;
Efl.Image.smooth_scale.get;
Efl.Gfx.Fill.fill_spread.set;
Efl.Gfx.Fill.fill_spread.get;
Efl.Gfx.Fill.fill.set;
Efl.Gfx.Fill.fill.get;
Efl.Gfx.View.size.set;
Efl.Gfx.View.size.get;
}
}
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