C++ (Cpp) imagelist_scene_eq Examples

Example #1

File: rmilist.c Project: ABaumgaertner/rmagick

/**
 * Call MapImages.
 *
 * Ruby usage:
 *   - @verbatim ImageList#map(reference) @endverbatim
 *   - @verbatim ImageList#map(reference, dither) @endverbatim
 *
 * Notes:
 *   - Default dither is false
 *   - Sets \@scene to self.scene
 *
 * @param argc number of input arguments
 * @param argv array of input arguments
 * @param self this object
 * @return a new ImageList with mapped images.
 */
VALUE
ImageList_map(int argc, VALUE *argv, VALUE self)
{
    Image *images, *new_images = NULL;
    Image *map;
    unsigned int dither = MagickFalse;
    VALUE scene, new_imagelist, t;
    ExceptionInfo *exception;

#if defined(HAVE_REMAPIMAGES)
    QuantizeInfo quantize_info;
    rb_warning("ImageList#map is deprecated. Use ImageList#remap instead.");
#endif

    switch (argc)
    {
        case 2:
            dither = RTEST(argv[1]);
        case 1:
            t = rm_cur_image(argv[0]);
            map = rm_check_destroyed(t);
            break;
        default:
            rb_raise(rb_eArgError, "wrong number of arguments (%d for 1 or 2)", argc);
            break;
    }


    // Convert image array to image sequence, clone image sequence.
    exception = AcquireExceptionInfo();

    images = images_from_imagelist(self);
    new_images = CloneImageList(images, exception);
    rm_split(images);
    rm_check_exception(exception, new_images, DestroyOnError);
    (void) DestroyExceptionInfo(exception);

    rm_ensure_result(new_images);

    // Call ImageMagick
#if defined(HAVE_REMAPIMAGES)
    GetQuantizeInfo(&quantize_info);
    quantize_info.dither = dither;
    (void) RemapImages(&quantize_info, new_images, map);
#else
    (void) MapImages(new_images, map, dither);
#endif
    rm_check_image_exception(new_images, DestroyOnError);

    // Set @scene in new ImageList object to same value as in self.
    new_imagelist = rm_imagelist_from_images(new_images);
    scene = rb_iv_get(self, "@scene");
    (void) imagelist_scene_eq(new_imagelist, scene);

    RB_GC_GUARD(scene);
    RB_GC_GUARD(new_imagelist);
    RB_GC_GUARD(t);

    return new_imagelist;
}

Example #2

File: rmilist.c Project: Flagship8787/Suwaru-Rails

/*
    Method:     ImageList#map(reference, dither=false)
    Purpose:    Call MapImages
    Returns:    a new ImageList with mapped images. @scene is set to self.scene
*/
VALUE
ImageList_map(int argc, VALUE *argv, VALUE self)
{
    Image *images, *new_images = NULL;
    Image *map;
    unsigned int dither = False;
    volatile VALUE scene, new_imagelist, t;
    ExceptionInfo exception;

    switch (argc)
    {
        case 2:
            dither = RTEST(argv[1]);
        case 1:
            t = ImageList_cur_image(argv[0]);
            map = rm_check_destroyed(t);
            break;
        default:
            rb_raise(rb_eArgError, "wrong number of arguments (%d for 1 or 2)", argc);
            break;
    }


    if (imagelist_length(self) == 0L)
    {
        rb_raise(rb_eArgError, "no images in this image list");
    }

    // Convert image array to image sequence, clone image sequence.
    GetExceptionInfo(&exception);

    images = images_from_imagelist(self);
    new_images = CloneImageList(images, &exception);
    rm_split(images);
    rm_check_exception(&exception, new_images, DestroyOnError);
    (void) DestroyExceptionInfo(&exception);

    rm_ensure_result(new_images);

    // Call ImageMagick
    (void) MapImages(new_images, map, dither);
    rm_check_image_exception(new_images, DestroyOnError);

    // Set @scene in new ImageList object to same value as in self.
    new_imagelist = rm_imagelist_from_images(new_images);
    scene = rb_iv_get(self, "@scene");
    (void) imagelist_scene_eq(new_imagelist, scene);

    return new_imagelist;
}