From 5c1676dfe6d2f3c837a5e074117b45613fd29a72 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:30:19 +0200 Subject: Adding upstream version 2.10.34. Signed-off-by: Daniel Baumann --- app/tools/gimpbrightnesscontrasttool.c | 314 +++++++++++++++++++++++++++++++++ 1 file changed, 314 insertions(+) create mode 100644 app/tools/gimpbrightnesscontrasttool.c (limited to 'app/tools/gimpbrightnesscontrasttool.c') diff --git a/app/tools/gimpbrightnesscontrasttool.c b/app/tools/gimpbrightnesscontrasttool.c new file mode 100644 index 0000000..26229a7 --- /dev/null +++ b/app/tools/gimpbrightnesscontrasttool.c @@ -0,0 +1,314 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "config.h" + +#include + +#include +#include + +#include "libgimpconfig/gimpconfig.h" +#include "libgimpwidgets/gimpwidgets.h" + +#include "tools-types.h" + +#include "operations/gimpbrightnesscontrastconfig.h" + +#include "core/gimpdrawable.h" +#include "core/gimperror.h" +#include "core/gimpimage.h" + +#include "widgets/gimphelp-ids.h" +#include "widgets/gimppropwidgets.h" +#include "widgets/gimpspinscale.h" +#include "widgets/gimpwidgets-constructors.h" + +#include "display/gimpdisplay.h" + +#include "gimpbrightnesscontrasttool.h" +#include "gimpfilteroptions.h" +#include "gimptoolcontrol.h" + +#include "gimp-intl.h" + + +#define SLIDER_WIDTH 200 + + +static gboolean gimp_brightness_contrast_tool_initialize (GimpTool *tool, + GimpDisplay *display, + GError **error); +static void gimp_brightness_contrast_tool_button_press (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonPressType press_type, + GimpDisplay *display); +static void gimp_brightness_contrast_tool_button_release (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonReleaseType release_type, + GimpDisplay *display); +static void gimp_brightness_contrast_tool_motion (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpDisplay *display); + +static gchar * + gimp_brightness_contrast_tool_get_operation (GimpFilterTool *filter_tool, + gchar **description); +static void gimp_brightness_contrast_tool_dialog (GimpFilterTool *filter_tool); + +static void brightness_contrast_to_levels_callback (GtkWidget *widget, + GimpFilterTool *filter_tool); + + +G_DEFINE_TYPE (GimpBrightnessContrastTool, gimp_brightness_contrast_tool, + GIMP_TYPE_FILTER_TOOL) + +#define parent_class gimp_brightness_contrast_tool_parent_class + + +void +gimp_brightness_contrast_tool_register (GimpToolRegisterCallback callback, + gpointer data) +{ + (* callback) (GIMP_TYPE_BRIGHTNESS_CONTRAST_TOOL, + GIMP_TYPE_FILTER_OPTIONS, NULL, + 0, + "gimp-brightness-contrast-tool", + _("Brightness-Contrast"), + _("Adjust brightness and contrast"), + N_("B_rightness-Contrast..."), NULL, + NULL, GIMP_HELP_TOOL_BRIGHTNESS_CONTRAST, + GIMP_ICON_TOOL_BRIGHTNESS_CONTRAST, + data); +} + +static void +gimp_brightness_contrast_tool_class_init (GimpBrightnessContrastToolClass *klass) +{ + GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass); + GimpFilterToolClass *filter_tool_class = GIMP_FILTER_TOOL_CLASS (klass); + + tool_class->initialize = gimp_brightness_contrast_tool_initialize; + tool_class->button_press = gimp_brightness_contrast_tool_button_press; + tool_class->button_release = gimp_brightness_contrast_tool_button_release; + tool_class->motion = gimp_brightness_contrast_tool_motion; + + filter_tool_class->get_operation = gimp_brightness_contrast_tool_get_operation; + filter_tool_class->dialog = gimp_brightness_contrast_tool_dialog; +} + +static void +gimp_brightness_contrast_tool_init (GimpBrightnessContrastTool *bc_tool) +{ +} + +static gboolean +gimp_brightness_contrast_tool_initialize (GimpTool *tool, + GimpDisplay *display, + GError **error) +{ + GimpBrightnessContrastTool *bc_tool = GIMP_BRIGHTNESS_CONTRAST_TOOL (tool); + GimpImage *image = gimp_display_get_image (display); + GimpDrawable *drawable = gimp_image_get_active_drawable (image); + + if (! GIMP_TOOL_CLASS (parent_class)->initialize (tool, display, error)) + { + return FALSE; + } + + if (gimp_drawable_get_component_type (drawable) == GIMP_COMPONENT_TYPE_U8) + { + gimp_prop_widget_set_factor (bc_tool->brightness_scale, + 127.0, 1.0, 8.0, 0); + gimp_prop_widget_set_factor (bc_tool->contrast_scale, + 127.0, 1.0, 8.0, 0); + } + else + { + gimp_prop_widget_set_factor (bc_tool->brightness_scale, + 0.5, 0.01, 0.1, 3); + gimp_prop_widget_set_factor (bc_tool->contrast_scale, + 0.5, 0.01, 0.1, 3); + } + + return TRUE; +} + +static gchar * +gimp_brightness_contrast_tool_get_operation (GimpFilterTool *filter_tool, + gchar **description) +{ + *description = g_strdup (_("Adjust Brightness and Contrast")); + + return g_strdup ("gimp:brightness-contrast"); +} + +static void +gimp_brightness_contrast_tool_button_press (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonPressType press_type, + GimpDisplay *display) +{ + GimpBrightnessContrastTool *bc_tool = GIMP_BRIGHTNESS_CONTRAST_TOOL (tool); + + bc_tool->dragging = ! gimp_filter_tool_on_guide (GIMP_FILTER_TOOL (tool), + coords, display); + + if (! bc_tool->dragging) + { + GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state, + press_type, display); + } + else + { + gdouble brightness; + gdouble contrast; + + g_object_get (GIMP_FILTER_TOOL (tool)->config, + "brightness", &brightness, + "contrast", &contrast, + NULL); + + bc_tool->x = coords->x - contrast * 127.0; + bc_tool->y = coords->y + brightness * 127.0; + bc_tool->dx = contrast * 127.0; + bc_tool->dy = - brightness * 127.0; + + tool->display = display; + + gimp_tool_control_activate (tool->control); + } +} + +static void +gimp_brightness_contrast_tool_button_release (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonReleaseType release_type, + GimpDisplay *display) +{ + GimpBrightnessContrastTool *bc_tool = GIMP_BRIGHTNESS_CONTRAST_TOOL (tool); + + if (! bc_tool->dragging) + { + GIMP_TOOL_CLASS (parent_class)->button_release (tool, coords, time, state, + release_type, display); + } + else + { + gimp_tool_control_halt (tool->control); + + bc_tool->dragging = FALSE; + + if (bc_tool->dx == 0 && bc_tool->dy == 0) + return; + + if (release_type == GIMP_BUTTON_RELEASE_CANCEL) + gimp_config_reset (GIMP_CONFIG (GIMP_FILTER_TOOL (tool)->config)); + } +} + +static void +gimp_brightness_contrast_tool_motion (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpDisplay *display) +{ + GimpBrightnessContrastTool *bc_tool = GIMP_BRIGHTNESS_CONTRAST_TOOL (tool); + + if (! bc_tool->dragging) + { + GIMP_TOOL_CLASS (parent_class)->motion (tool, coords, time, state, + display); + } + else + { + bc_tool->dx = (coords->x - bc_tool->x); + bc_tool->dy = - (coords->y - bc_tool->y); + + g_object_set (GIMP_FILTER_TOOL (tool)->config, + "brightness", CLAMP (bc_tool->dy, -127.0, 127.0) / 127.0, + "contrast", CLAMP (bc_tool->dx, -127.0, 127.0) / 127.0, + NULL); + } +} + + +/********************************/ +/* Brightness Contrast dialog */ +/********************************/ + +static void +gimp_brightness_contrast_tool_dialog (GimpFilterTool *filter_tool) +{ + GimpBrightnessContrastTool *bc_tool = GIMP_BRIGHTNESS_CONTRAST_TOOL (filter_tool); + GtkWidget *main_vbox; + GtkWidget *scale; + GtkWidget *button; + + main_vbox = gimp_filter_tool_dialog_get_vbox (filter_tool); + + /* Create the brightness scale widget */ + scale = gimp_prop_spin_scale_new (filter_tool->config, "brightness", + _("_Brightness"), 0.01, 0.1, 3); + gtk_box_pack_start (GTK_BOX (main_vbox), scale, FALSE, FALSE, 0); + gtk_widget_show (scale); + + bc_tool->brightness_scale = scale; + + /* Create the contrast scale widget */ + scale = gimp_prop_spin_scale_new (filter_tool->config, "contrast", + _("_Contrast"), 0.01, 0.1, 3); + gtk_box_pack_start (GTK_BOX (main_vbox), scale, FALSE, FALSE, 0); + gtk_widget_show (scale); + + bc_tool->contrast_scale = scale; + + button = gimp_icon_button_new (GIMP_ICON_TOOL_LEVELS, + _("Edit these Settings as Levels")); + gtk_box_pack_start (GTK_BOX (main_vbox), button, FALSE, FALSE, 0); + gtk_widget_show (button); + + g_signal_connect (button, "clicked", + G_CALLBACK (brightness_contrast_to_levels_callback), + filter_tool); +} + +static void +brightness_contrast_to_levels_callback (GtkWidget *widget, + GimpFilterTool *filter_tool) +{ + GimpLevelsConfig *levels; + + levels = gimp_brightness_contrast_config_to_levels_config (GIMP_BRIGHTNESS_CONTRAST_CONFIG (filter_tool->config)); + + gimp_filter_tool_edit_as (filter_tool, + "gimp-levels-tool", + GIMP_CONFIG (levels)); + + g_object_unref (levels); +} -- cgit v1.2.3