/* LIBPIKA - The PIKA Library * Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball * * pikaimagetransform_pdb.c * * This library is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see * . */ /* NOTE: This file is auto-generated by pdbgen.pl */ #include "config.h" #include "stamp-pdbgen.h" #include "pika.h" /** * SECTION: pikaimagetransform * @title: pikaimagetransform * @short_description: Transformations on images. * * Operations to scale, resize, crop, flip and rotate images. **/ /** * pika_image_resize: * @image: The image. * @new_width: New image width. * @new_height: New image height. * @offx: x offset between upper left corner of old and new images: (new - old). * @offy: y offset between upper left corner of old and new images: (new - old). * * Resize the image to the specified extents. * * This procedure resizes the image so that it's new width and height * are equal to the supplied parameters. Offsets are also provided * which describe the position of the previous image's content. All * channels within the image are resized according to the specified * parameters; this includes the image selection mask. All layers * within the image are repositioned according to the specified * offsets. * * Returns: TRUE on success. **/ gboolean pika_image_resize (PikaImage *image, gint new_width, gint new_height, gint offx, gint offy) { PikaValueArray *args; PikaValueArray *return_vals; gboolean success = TRUE; args = pika_value_array_new_from_types (NULL, PIKA_TYPE_IMAGE, image, G_TYPE_INT, new_width, G_TYPE_INT, new_height, G_TYPE_INT, offx, G_TYPE_INT, offy, G_TYPE_NONE); return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (), "pika-image-resize", args); pika_value_array_unref (args); success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS; pika_value_array_unref (return_vals); return success; } /** * pika_image_resize_to_layers: * @image: The image. * * Resize the image to fit all layers. * * This procedure resizes the image to the bounding box of all layers * of the image. All channels within the image are resized to the new * size; this includes the image selection mask. All layers within the * image are repositioned to the new image area. * * Returns: TRUE on success. * * Since: 2.2 **/ gboolean pika_image_resize_to_layers (PikaImage *image) { PikaValueArray *args; PikaValueArray *return_vals; gboolean success = TRUE; args = pika_value_array_new_from_types (NULL, PIKA_TYPE_IMAGE, image, G_TYPE_NONE); return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (), "pika-image-resize-to-layers", args); pika_value_array_unref (args); success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS; pika_value_array_unref (return_vals); return success; } /** * pika_image_scale: * @image: The image. * @new_width: New image width. * @new_height: New image height. * * Scale the image using the default interpolation method. * * This procedure scales the image so that its new width and height are * equal to the supplied parameters. All layers and channels within the * image are scaled according to the specified parameters; this * includes the image selection mask. The interpolation method used can * be set with pika_context_set_interpolation(). * * Returns: TRUE on success. **/ gboolean pika_image_scale (PikaImage *image, gint new_width, gint new_height) { PikaValueArray *args; PikaValueArray *return_vals; gboolean success = TRUE; args = pika_value_array_new_from_types (NULL, PIKA_TYPE_IMAGE, image, G_TYPE_INT, new_width, G_TYPE_INT, new_height, G_TYPE_NONE); return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (), "pika-image-scale", args); pika_value_array_unref (args); success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS; pika_value_array_unref (return_vals); return success; } /** * pika_image_crop: * @image: The image. * @new_width: New image width: (0 < new_width <= width). * @new_height: New image height: (0 < new_height <= height). * @offx: X offset: (0 <= offx <= (width - new_width)). * @offy: Y offset: (0 <= offy <= (height - new_height)). * * Crop the image to the specified extents. * * This procedure crops the image so that it's new width and height are * equal to the supplied parameters. Offsets are also provided which * describe the position of the previous image's content. All channels * and layers within the image are cropped to the new image extents; * this includes the image selection mask. If any parameters are out of * range, an error is returned. * * Returns: TRUE on success. **/ gboolean pika_image_crop (PikaImage *image, gint new_width, gint new_height, gint offx, gint offy) { PikaValueArray *args; PikaValueArray *return_vals; gboolean success = TRUE; args = pika_value_array_new_from_types (NULL, PIKA_TYPE_IMAGE, image, G_TYPE_INT, new_width, G_TYPE_INT, new_height, G_TYPE_INT, offx, G_TYPE_INT, offy, G_TYPE_NONE); return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (), "pika-image-crop", args); pika_value_array_unref (args); success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS; pika_value_array_unref (return_vals); return success; } /** * pika_image_flip: * @image: The image. * @flip_type: Type of flip. * * Flips the image horizontally or vertically. * * This procedure flips (mirrors) the image. * * Returns: TRUE on success. **/ gboolean pika_image_flip (PikaImage *image, PikaOrientationType flip_type) { PikaValueArray *args; PikaValueArray *return_vals; gboolean success = TRUE; args = pika_value_array_new_from_types (NULL, PIKA_TYPE_IMAGE, image, PIKA_TYPE_ORIENTATION_TYPE, flip_type, G_TYPE_NONE); return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (), "pika-image-flip", args); pika_value_array_unref (args); success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS; pika_value_array_unref (return_vals); return success; } /** * pika_image_rotate: * @image: The image. * @rotate_type: Angle of rotation. * * Rotates the image by the specified degrees. * * This procedure rotates the image. * * Returns: TRUE on success. **/ gboolean pika_image_rotate (PikaImage *image, PikaRotationType rotate_type) { PikaValueArray *args; PikaValueArray *return_vals; gboolean success = TRUE; args = pika_value_array_new_from_types (NULL, PIKA_TYPE_IMAGE, image, PIKA_TYPE_ROTATION_TYPE, rotate_type, G_TYPE_NONE); return_vals = _pika_pdb_run_procedure_array (pika_get_pdb (), "pika-image-rotate", args); pika_value_array_unref (args); success = PIKA_VALUES_GET_ENUM (return_vals, 0) == PIKA_PDB_SUCCESS; pika_value_array_unref (return_vals); return success; }