cf3820be70
The GEGL Filter Browser and API-added filters require a "title" attribute to be defined in the operation in order for the filter to have a name. The GIMP custom GEGL operations do not have a title defined, which causes display issues in the browser and crashes when attempting to edit API-created filters. This patch adds "title" attributes for four operations which are already translated. The remainder will need to be added after the string freeze is over for 3.4 development.
141 lines
5.5 KiB
C
141 lines
5.5 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpoperationbrightnesscontrast.c
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* Copyright (C) 2012 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <cairo.h>
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#include <gegl.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "libgimpmath/gimpmath.h"
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#include "operations-types.h"
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#include "gimpbrightnesscontrastconfig.h"
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#include "gimpoperationbrightnesscontrast.h"
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#include "gimp-intl.h"
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static gboolean gimp_operation_brightness_contrast_process (GeglOperation *operation,
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void *in_buf,
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void *out_buf,
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glong samples,
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const GeglRectangle *roi,
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gint level);
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G_DEFINE_TYPE (GimpOperationBrightnessContrast, gimp_operation_brightness_contrast,
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GIMP_TYPE_OPERATION_POINT_FILTER)
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#define parent_class gimp_operation_brightness_contrast_parent_class
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static void
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gimp_operation_brightness_contrast_class_init (GimpOperationBrightnessContrastClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
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GeglOperationPointFilterClass *point_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);
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object_class->set_property = gimp_operation_point_filter_set_property;
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object_class->get_property = gimp_operation_point_filter_get_property;
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gegl_operation_class_set_keys (operation_class,
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"name", "gimp:brightness-contrast",
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"title", _("Brightness-Contrast"),
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"categories", "color",
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"description", _("Adjust brightness and contrast"),
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NULL);
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point_class->process = gimp_operation_brightness_contrast_process;
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g_object_class_install_property (object_class,
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GIMP_OPERATION_POINT_FILTER_PROP_CONFIG,
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g_param_spec_object ("config",
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"Config",
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"The config object",
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GIMP_TYPE_BRIGHTNESS_CONTRAST_CONFIG,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT));
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}
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static void
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gimp_operation_brightness_contrast_init (GimpOperationBrightnessContrast *self)
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{
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}
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static inline gfloat
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gimp_operation_brightness_contrast_map (gfloat value,
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gdouble brightness,
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gdouble slant)
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{
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/* apply brightness */
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if (brightness < 0.0)
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value = value * (1.0 + brightness);
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else
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value = value + ((1.0 - value) * brightness);
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value = (value - 0.5) * slant + 0.5;
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return value;
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}
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static gboolean
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gimp_operation_brightness_contrast_process (GeglOperation *operation,
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void *in_buf,
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void *out_buf,
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glong samples,
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const GeglRectangle *roi,
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gint level)
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{
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GimpOperationPointFilter *point = GIMP_OPERATION_POINT_FILTER (operation);
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GimpBrightnessContrastConfig *config = GIMP_BRIGHTNESS_CONTRAST_CONFIG (point->config);
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gfloat *src = in_buf;
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gfloat *dest = out_buf;
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gdouble brightness;
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gdouble slant;
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if (! config)
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return FALSE;
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brightness = config->brightness / 2.0;
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slant = tan ((config->contrast + 1) * G_PI_4);
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while (samples--)
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{
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dest[RED] = gimp_operation_brightness_contrast_map (src[RED],
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brightness,
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slant);
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dest[GREEN] = gimp_operation_brightness_contrast_map (src[GREEN],
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brightness,
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slant);
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dest[BLUE] = gimp_operation_brightness_contrast_map (src[BLUE],
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brightness,
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slant);
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dest[ALPHA] = src[ALPHA];
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src += 4;
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dest += 4;
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}
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return TRUE;
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}
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