/* LIBGIMP - The GIMP Library * Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball * * gimpdrawablecolor_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 "gimp.h" /** * SECTION: gimpdrawablecolor * @title: gimpdrawablecolor * @short_description: Functions for manipulating a drawable's color. * * Functions for manipulating a drawable's color, including curves and * histograms. **/ /** * gimp_drawable_brightness_contrast: * @drawable_ID: The drawable. * @brightness: Brightness adjustment. * @contrast: Contrast adjustment. * * Modify brightness/contrast in the specified drawable. * * This procedures allows the brightness and contrast of the specified * drawable to be modified. Both 'brightness' and 'contrast' parameters * are defined between -0.5 and 0.5. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_brightness_contrast (gint32 drawable_ID, gdouble brightness, gdouble contrast) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-brightness-contrast", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_FLOAT, brightness, GIMP_PDB_FLOAT, contrast, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_color_balance: * @drawable_ID: The drawable. * @transfer_mode: Transfer mode. * @preserve_lum: Preserve luminosity values at each pixel. * @cyan_red: Cyan-Red color balance. * @magenta_green: Magenta-Green color balance. * @yellow_blue: Yellow-Blue color balance. * * Modify the color balance of the specified drawable. * * Modify the color balance of the specified drawable. There are three * axis which can be modified: cyan-red, magenta-green, and * yellow-blue. Negative values increase the amount of the former, * positive values increase the amount of the latter. Color balance can * be controlled with the 'transfer_mode' setting, which allows * shadows, mid-tones, and highlights in an image to be affected * differently. The 'preserve-lum' parameter, if TRUE, ensures that the * luminosity of each pixel remains fixed. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_color_balance (gint32 drawable_ID, GimpTransferMode transfer_mode, gboolean preserve_lum, gdouble cyan_red, gdouble magenta_green, gdouble yellow_blue) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-color-balance", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_INT32, transfer_mode, GIMP_PDB_INT32, preserve_lum, GIMP_PDB_FLOAT, cyan_red, GIMP_PDB_FLOAT, magenta_green, GIMP_PDB_FLOAT, yellow_blue, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_colorize_hsl: * @drawable_ID: The drawable. * @hue: Hue in degrees. * @saturation: Saturation in percent. * @lightness: Lightness in percent. * * Render the drawable as a grayscale image seen through a colored * glass. * * Desaturates the drawable, then tints it with the specified color. * This tool is only valid on RGB color images. It will not operate on * grayscale drawables. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_colorize_hsl (gint32 drawable_ID, gdouble hue, gdouble saturation, gdouble lightness) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-colorize-hsl", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_FLOAT, hue, GIMP_PDB_FLOAT, saturation, GIMP_PDB_FLOAT, lightness, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_curves_explicit: * @drawable_ID: The drawable. * @channel: The channel to modify. * @num_values: The number of values in the new curve. * @values: The explicit curve. * * Modifies the intensity curve(s) for specified drawable. * * Modifies the intensity mapping for one channel in the specified * drawable. The channel can be either an intensity component, or the * value. The 'values' parameter is an array of doubles which * explicitly defines how each pixel value in the drawable will be * modified. Use the gimp_curves_spline() function to modify intensity * levels with Catmull Rom splines. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_curves_explicit (gint32 drawable_ID, GimpHistogramChannel channel, gint num_values, const gdouble *values) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-curves-explicit", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_INT32, channel, GIMP_PDB_INT32, num_values, GIMP_PDB_FLOATARRAY, values, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_curves_spline: * @drawable_ID: The drawable. * @channel: The channel to modify. * @num_points: The number of values in the control point array. * @points: The spline control points: { cp1.x, cp1.y, cp2.x, cp2.y, ... }. * * Modifies the intensity curve(s) for specified drawable. * * Modifies the intensity mapping for one channel in the specified * drawable. The channel can be either an intensity component, or the * value. The 'points' parameter is an array of doubles which define a * set of control points which describe a Catmull Rom spline which * yields the final intensity curve. Use the gimp_curves_explicit() * function to explicitly modify intensity levels. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_curves_spline (gint32 drawable_ID, GimpHistogramChannel channel, gint num_points, const gdouble *points) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-curves-spline", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_INT32, channel, GIMP_PDB_INT32, num_points, GIMP_PDB_FLOATARRAY, points, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_desaturate: * @drawable_ID: The drawable. * @desaturate_mode: The formula to use to desaturate. * * Desaturate the contents of the specified drawable, with the * specified formula. * * This procedure desaturates the contents of the specified drawable, * with the specified formula. This procedure only works on drawables * of type RGB color. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_desaturate (gint32 drawable_ID, GimpDesaturateMode desaturate_mode) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-desaturate", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_INT32, desaturate_mode, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_equalize: * @drawable_ID: The drawable. * @mask_only: Equalization option. * * Equalize the contents of the specified drawable. * * This procedure equalizes the contents of the specified drawable. * Each intensity channel is equalized independently. The equalized * intensity is given as inten' = (255 - inten). The 'mask_only' option * specifies whether to adjust only the area of the image within the * selection bounds, or the entire image based on the histogram of the * selected area. If there is no selection, the entire image is * adjusted based on the histogram for the entire image. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_equalize (gint32 drawable_ID, gboolean mask_only) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-equalize", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_INT32, mask_only, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_histogram: * @drawable_ID: The drawable. * @channel: The channel to query. * @start_range: Start of the intensity measurement range. * @end_range: End of the intensity measurement range. * @mean: Mean intensity value. * @std_dev: Standard deviation of intensity values. * @median: Median intensity value. * @pixels: Alpha-weighted pixel count for entire image. * @count: Alpha-weighted pixel count for range. * @percentile: Percentile that range falls under. * * Returns information on the intensity histogram for the specified * drawable. * * This tool makes it possible to gather information about the * intensity histogram of a drawable. A channel to examine is first * specified. This can be either value, red, green, or blue, depending * on whether the drawable is of type color or grayscale. Second, a * range of intensities are specified. The gimp_drawable_histogram() * function returns statistics based on the pixels in the drawable that * fall under this range of values. Mean, standard deviation, median, * number of pixels, and percentile are all returned. Additionally, the * total count of pixels in the image is returned. Counts of pixels are * weighted by any associated alpha values and by the current selection * mask. That is, pixels that lie outside an active selection mask will * not be counted. Similarly, pixels with transparent alpha values will * not be counted. The returned mean, std_dev and median are in the * range (0..255) for 8-bit images or if the plug-in is not * precision-aware, and in the range (0.0..1.0) otherwise. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_histogram (gint32 drawable_ID, GimpHistogramChannel channel, gdouble start_range, gdouble end_range, gdouble *mean, gdouble *std_dev, gdouble *median, gdouble *pixels, gdouble *count, gdouble *percentile) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-histogram", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_INT32, channel, GIMP_PDB_FLOAT, start_range, GIMP_PDB_FLOAT, end_range, GIMP_PDB_END); *mean = 0.0; *std_dev = 0.0; *median = 0.0; *pixels = 0.0; *count = 0.0; *percentile = 0.0; success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; if (success) { *mean = return_vals[1].data.d_float; *std_dev = return_vals[2].data.d_float; *median = return_vals[3].data.d_float; *pixels = return_vals[4].data.d_float; *count = return_vals[5].data.d_float; *percentile = return_vals[6].data.d_float; } gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_hue_saturation: * @drawable_ID: The drawable. * @hue_range: Range of affected hues. * @hue_offset: Hue offset in degrees. * @lightness: Lightness modification. * @saturation: Saturation modification. * @overlap: Overlap other hue channels. * * Modify hue, lightness, and saturation in the specified drawable. * * This procedure allows the hue, lightness, and saturation in the * specified drawable to be modified. The 'hue-range' parameter * provides the capability to limit range of affected hues. The * 'overlap' parameter provides blending into neighboring hue channels * when rendering. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_hue_saturation (gint32 drawable_ID, GimpHueRange hue_range, gdouble hue_offset, gdouble lightness, gdouble saturation, gdouble overlap) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-hue-saturation", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_INT32, hue_range, GIMP_PDB_FLOAT, hue_offset, GIMP_PDB_FLOAT, lightness, GIMP_PDB_FLOAT, saturation, GIMP_PDB_FLOAT, overlap, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_invert: * @drawable_ID: The drawable. * * Invert the contents of the specified drawable. * * This procedure inverts the contents of the specified drawable. Each * intensity channel is inverted independently. The inverted intensity * is given as inten' = (255 - inten). * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_invert (gint32 drawable_ID) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-invert", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_levels: * @drawable_ID: The drawable. * @channel: The channel to modify. * @low_input: Intensity of lowest input. * @high_input: Intensity of highest input. * @gamma: Gamma adjustment factor. * @low_output: Intensity of lowest output. * @high_output: Intensity of highest output. * * Modifies intensity levels in the specified drawable. * * This tool allows intensity levels in the specified drawable to be * remapped according to a set of parameters. The low/high input levels * specify an initial mapping from the source intensities. The gamma * value determines how intensities between the low and high input * intensities are interpolated. A gamma value of 1.0 results in a * linear interpolation. Higher gamma values result in more high-level * intensities. Lower gamma values result in more low-level * intensities. The low/high output levels constrain the final * intensity mapping--that is, no final intensity will be lower than * the low output level and no final intensity will be higher than the * high output level. This tool is only valid on RGB color and * grayscale images. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_levels (gint32 drawable_ID, GimpHistogramChannel channel, gdouble low_input, gdouble high_input, gdouble gamma, gdouble low_output, gdouble high_output) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-levels", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_INT32, channel, GIMP_PDB_FLOAT, low_input, GIMP_PDB_FLOAT, high_input, GIMP_PDB_FLOAT, gamma, GIMP_PDB_FLOAT, low_output, GIMP_PDB_FLOAT, high_output, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_levels_stretch: * @drawable_ID: The drawable. * * Automatically modifies intensity levels in the specified drawable. * * This procedure allows intensity levels in the specified drawable to * be remapped according to a set of guessed parameters. It is * equivalent to clicking the \"Auto\" button in the Levels tool. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_levels_stretch (gint32 drawable_ID) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-levels-stretch", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_posterize: * @drawable_ID: The drawable. * @levels: Levels of posterization. * * Posterize the specified drawable. * * This procedures reduces the number of shades allows in each * intensity channel to the specified 'levels' parameter. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_posterize (gint32 drawable_ID, gint levels) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-posterize", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_INT32, levels, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; } /** * gimp_drawable_threshold: * @drawable_ID: The drawable. * @channel: The channel to base the threshold on. * @low_threshold: The low threshold value. * @high_threshold: The high threshold value. * * Threshold the specified drawable. * * This procedures generates a threshold map of the specified drawable. * All pixels between the values of 'low_threshold' and * 'high_threshold', on the scale of 'channel' are replaced with white, * and all other pixels with black. * * Returns: TRUE on success. * * Since: 2.10 **/ gboolean gimp_drawable_threshold (gint32 drawable_ID, GimpHistogramChannel channel, gdouble low_threshold, gdouble high_threshold) { GimpParam *return_vals; gint nreturn_vals; gboolean success = TRUE; return_vals = gimp_run_procedure ("gimp-drawable-threshold", &nreturn_vals, GIMP_PDB_DRAWABLE, drawable_ID, GIMP_PDB_INT32, channel, GIMP_PDB_FLOAT, low_threshold, GIMP_PDB_FLOAT, high_threshold, GIMP_PDB_END); success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS; gimp_destroy_params (return_vals, nreturn_vals); return success; }