From 3c57dd931145d43f2b0aef96c4d178135956bf91 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 05:13:10 +0200 Subject: Adding upstream version 2.10.36. Signed-off-by: Daniel Baumann --- app/tools/gimpsourcetool.c | 519 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 519 insertions(+) create mode 100644 app/tools/gimpsourcetool.c (limited to 'app/tools/gimpsourcetool.c') diff --git a/app/tools/gimpsourcetool.c b/app/tools/gimpsourcetool.c new file mode 100644 index 0000000..9d9f725 --- /dev/null +++ b/app/tools/gimpsourcetool.c @@ -0,0 +1,519 @@ +/* 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 "libgimpmath/gimpmath.h" + +#include "tools-types.h" + +#include "core/gimpchannel.h" +#include "core/gimpimage.h" +#include "core/gimppickable.h" + +#include "paint/gimpsourcecore.h" +#include "paint/gimpsourceoptions.h" + +#include "widgets/gimpwidgets-utils.h" + +#include "display/gimpcanvashandle.h" +#include "display/gimpdisplay.h" +#include "display/gimpdisplayshell.h" +#include "display/gimpdisplayshell-items.h" + +#include "gimpsourcetool.h" +#include "gimptoolcontrol.h" + +#include "gimp-intl.h" + + +static gboolean gimp_source_tool_has_display (GimpTool *tool, + GimpDisplay *display); +static GimpDisplay * gimp_source_tool_has_image (GimpTool *tool, + GimpImage *image); +static void gimp_source_tool_control (GimpTool *tool, + GimpToolAction action, + GimpDisplay *display); +static void gimp_source_tool_button_press (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonPressType press_type, + GimpDisplay *display); +static void gimp_source_tool_motion (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpDisplay *display); +static void gimp_source_tool_cursor_update (GimpTool *tool, + const GimpCoords *coords, + GdkModifierType state, + GimpDisplay *display); +static void gimp_source_tool_modifier_key (GimpTool *tool, + GdkModifierType key, + gboolean press, + GdkModifierType state, + GimpDisplay *display); +static void gimp_source_tool_oper_update (GimpTool *tool, + const GimpCoords *coords, + GdkModifierType state, + gboolean proximity, + GimpDisplay *display); + +static void gimp_source_tool_draw (GimpDrawTool *draw_tool); + +static void gimp_source_tool_paint_prepare (GimpPaintTool *paint_tool, + GimpDisplay *display); + +static void gimp_source_tool_set_src_display (GimpSourceTool *source_tool, + GimpDisplay *display); + + +G_DEFINE_TYPE (GimpSourceTool, gimp_source_tool, GIMP_TYPE_BRUSH_TOOL) + +#define parent_class gimp_source_tool_parent_class + + +static void +gimp_source_tool_class_init (GimpSourceToolClass *klass) +{ + GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass); + GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass); + GimpPaintToolClass *paint_tool_class = GIMP_PAINT_TOOL_CLASS (klass); + + tool_class->has_display = gimp_source_tool_has_display; + tool_class->has_image = gimp_source_tool_has_image; + tool_class->control = gimp_source_tool_control; + tool_class->button_press = gimp_source_tool_button_press; + tool_class->motion = gimp_source_tool_motion; + tool_class->modifier_key = gimp_source_tool_modifier_key; + tool_class->oper_update = gimp_source_tool_oper_update; + tool_class->cursor_update = gimp_source_tool_cursor_update; + + draw_tool_class->draw = gimp_source_tool_draw; + + paint_tool_class->paint_prepare = gimp_source_tool_paint_prepare; +} + +static void +gimp_source_tool_init (GimpSourceTool *source) +{ + source->show_source_outline = TRUE; +} + +static gboolean +gimp_source_tool_has_display (GimpTool *tool, + GimpDisplay *display) +{ + GimpSourceTool *source_tool = GIMP_SOURCE_TOOL (tool); + + return (display == source_tool->src_display || + GIMP_TOOL_CLASS (parent_class)->has_display (tool, display)); +} + +static GimpDisplay * +gimp_source_tool_has_image (GimpTool *tool, + GimpImage *image) +{ + GimpSourceTool *source_tool = GIMP_SOURCE_TOOL (tool); + GimpDisplay *display; + + display = GIMP_TOOL_CLASS (parent_class)->has_image (tool, image); + + if (! display && source_tool->src_display) + { + if (image && gimp_display_get_image (source_tool->src_display) == image) + display = source_tool->src_display; + + /* NULL image means any display */ + if (! image) + display = source_tool->src_display; + } + + return display; +} + +static void +gimp_source_tool_control (GimpTool *tool, + GimpToolAction action, + GimpDisplay *display) +{ + GimpSourceTool *source_tool = GIMP_SOURCE_TOOL (tool); + + switch (action) + { + case GIMP_TOOL_ACTION_PAUSE: + case GIMP_TOOL_ACTION_RESUME: + break; + + case GIMP_TOOL_ACTION_HALT: + gimp_source_tool_set_src_display (source_tool, NULL); + g_object_set (GIMP_PAINT_TOOL (tool)->core, + "src-drawable", NULL, + NULL); + break; + + case GIMP_TOOL_ACTION_COMMIT: + break; + } + + GIMP_TOOL_CLASS (parent_class)->control (tool, action, display); +} + +static void +gimp_source_tool_button_press (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpButtonPressType press_type, + GimpDisplay *display) +{ + GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool); + GimpSourceTool *source_tool = GIMP_SOURCE_TOOL (tool); + GimpSourceCore *source = GIMP_SOURCE_CORE (paint_tool->core); + GdkModifierType extend_mask = gimp_get_extend_selection_mask (); + GdkModifierType toggle_mask = gimp_get_toggle_behavior_mask (); + + gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool)); + + if ((state & (toggle_mask | extend_mask)) == toggle_mask) + { + source->set_source = TRUE; + + gimp_source_tool_set_src_display (source_tool, display); + } + else + { + source->set_source = FALSE; + } + + GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state, + press_type, display); + + source_tool->src_x = source->src_x; + source_tool->src_y = source->src_y; + + gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool)); +} + +static void +gimp_source_tool_motion (GimpTool *tool, + const GimpCoords *coords, + guint32 time, + GdkModifierType state, + GimpDisplay *display) +{ + GimpSourceTool *source_tool = GIMP_SOURCE_TOOL (tool); + GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool); + GimpSourceCore *source = GIMP_SOURCE_CORE (paint_tool->core); + + gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool)); + + GIMP_TOOL_CLASS (parent_class)->motion (tool, coords, time, state, display); + + source_tool->src_x = source->src_x; + source_tool->src_y = source->src_y; + + gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool)); +} + +static void +gimp_source_tool_modifier_key (GimpTool *tool, + GdkModifierType key, + gboolean press, + GdkModifierType state, + GimpDisplay *display) +{ + GimpSourceTool *source_tool = GIMP_SOURCE_TOOL (tool); + GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool); + GimpSourceOptions *options = GIMP_SOURCE_TOOL_GET_OPTIONS (tool); + + if (gimp_source_core_use_source (GIMP_SOURCE_CORE (paint_tool->core), + options) && + key == gimp_get_toggle_behavior_mask ()) + { + gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool)); + + if (press) + { + paint_tool->status = source_tool->status_set_source; + + source_tool->show_source_outline = FALSE; + + source_tool->saved_precision = + gimp_tool_control_get_precision (tool->control); + gimp_tool_control_set_precision (tool->control, + GIMP_CURSOR_PRECISION_PIXEL_CENTER); + } + else + { + paint_tool->status = source_tool->status_paint; + + source_tool->show_source_outline = TRUE; + + gimp_tool_control_set_precision (tool->control, + source_tool->saved_precision); + } + + gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool)); + } + + GIMP_TOOL_CLASS (parent_class)->modifier_key (tool, key, press, state, + display); +} + +static void +gimp_source_tool_cursor_update (GimpTool *tool, + const GimpCoords *coords, + GdkModifierType state, + GimpDisplay *display) +{ + GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool); + GimpSourceOptions *options = GIMP_SOURCE_TOOL_GET_OPTIONS (tool); + GimpCursorType cursor = GIMP_CURSOR_MOUSE; + GimpCursorModifier modifier = GIMP_CURSOR_MODIFIER_NONE; + + if (gimp_source_core_use_source (GIMP_SOURCE_CORE (paint_tool->core), + options)) + { + GdkModifierType extend_mask = gimp_get_extend_selection_mask (); + GdkModifierType toggle_mask = gimp_get_toggle_behavior_mask (); + + if ((state & (toggle_mask | extend_mask)) == toggle_mask) + { + cursor = GIMP_CURSOR_CROSSHAIR_SMALL; + } + else if (! GIMP_SOURCE_CORE (GIMP_PAINT_TOOL (tool)->core)->src_drawable) + { + modifier = GIMP_CURSOR_MODIFIER_BAD; + } + } + + gimp_tool_control_set_cursor (tool->control, cursor); + gimp_tool_control_set_cursor_modifier (tool->control, modifier); + + GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display); +} + +static void +gimp_source_tool_oper_update (GimpTool *tool, + const GimpCoords *coords, + GdkModifierType state, + gboolean proximity, + GimpDisplay *display) +{ + GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool); + GimpSourceTool *source_tool = GIMP_SOURCE_TOOL (tool); + GimpSourceOptions *options = GIMP_SOURCE_TOOL_GET_OPTIONS (tool); + GimpSourceCore *source; + + source = GIMP_SOURCE_CORE (GIMP_PAINT_TOOL (tool)->core); + + if (proximity) + { + if (gimp_source_core_use_source (source, options)) + paint_tool->status_ctrl = source_tool->status_set_source_ctrl; + else + paint_tool->status_ctrl = NULL; + } + + GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity, + display); + + if (gimp_source_core_use_source (source, options)) + { + if (source->src_drawable == NULL) + { + GdkModifierType toggle_mask = gimp_get_toggle_behavior_mask (); + + if (state & toggle_mask) + { + gimp_tool_replace_status (tool, display, "%s", + source_tool->status_set_source); + } + else + { + gimp_tool_replace_status (tool, display, "%s-%s", + gimp_get_mod_string (toggle_mask), + source_tool->status_set_source); + } + } + else + { + gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool)); + + source_tool->src_x = source->src_x; + source_tool->src_y = source->src_y; + + if (! source->first_stroke) + { + switch (options->align_mode) + { + case GIMP_SOURCE_ALIGN_YES: + source_tool->src_x = floor (coords->x) + source->offset_x; + source_tool->src_y = floor (coords->y) + source->offset_y; + break; + + case GIMP_SOURCE_ALIGN_REGISTERED: + source_tool->src_x = floor (coords->x); + source_tool->src_y = floor (coords->y); + break; + + default: + break; + } + } + + gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool)); + } + } +} + +static void +gimp_source_tool_draw (GimpDrawTool *draw_tool) +{ + GimpSourceTool *source_tool = GIMP_SOURCE_TOOL (draw_tool); + GimpSourceOptions *options = GIMP_SOURCE_TOOL_GET_OPTIONS (draw_tool); + GimpSourceCore *source; + + source = GIMP_SOURCE_CORE (GIMP_PAINT_TOOL (draw_tool)->core); + + GIMP_DRAW_TOOL_CLASS (parent_class)->draw (draw_tool); + + if (gimp_source_core_use_source (source, options) && + source->src_drawable && source_tool->src_display) + { + GimpDisplayShell *src_shell; + gint off_x; + gint off_y; + gdouble src_x; + gdouble src_y; + + src_shell = gimp_display_get_shell (source_tool->src_display); + + gimp_item_get_offset (GIMP_ITEM (source->src_drawable), &off_x, &off_y); + + src_x = source_tool->src_x + off_x + 0.5; + src_y = source_tool->src_y + off_y + 0.5; + + if (source_tool->src_outline) + { + gimp_display_shell_remove_tool_item (src_shell, + source_tool->src_outline); + source_tool->src_outline = NULL; + } + + if (source_tool->show_source_outline) + { + source_tool->src_outline = + gimp_brush_tool_create_outline (GIMP_BRUSH_TOOL (source_tool), + source_tool->src_display, + src_x, src_y); + + if (source_tool->src_outline) + { + gimp_display_shell_add_tool_item (src_shell, + source_tool->src_outline); + g_object_unref (source_tool->src_outline); + } + } + + if (source_tool->src_outline) + { + if (source_tool->src_handle) + { + gimp_display_shell_remove_tool_item (src_shell, + source_tool->src_handle); + source_tool->src_handle = NULL; + } + } + else + { + if (! source_tool->src_handle) + { + source_tool->src_handle = + gimp_canvas_handle_new (src_shell, + GIMP_HANDLE_CROSS, + GIMP_HANDLE_ANCHOR_CENTER, + src_x, src_y, + GIMP_TOOL_HANDLE_SIZE_CROSS, + GIMP_TOOL_HANDLE_SIZE_CROSS); + gimp_display_shell_add_tool_item (src_shell, + source_tool->src_handle); + g_object_unref (source_tool->src_handle); + } + else + { + gimp_canvas_handle_set_position (source_tool->src_handle, + src_x, src_y); + } + } + } +} + +static void +gimp_source_tool_paint_prepare (GimpPaintTool *paint_tool, + GimpDisplay *display) +{ + GimpSourceTool *source_tool = GIMP_SOURCE_TOOL (paint_tool); + + if (GIMP_PAINT_TOOL_CLASS (parent_class)->paint_prepare) + GIMP_PAINT_TOOL_CLASS (parent_class)->paint_prepare (paint_tool, display); + + if (source_tool->src_display) + { + GimpDisplayShell *src_shell; + + src_shell = gimp_display_get_shell (source_tool->src_display); + + gimp_paint_core_set_show_all (paint_tool->core, src_shell->show_all); + } +} + +static void +gimp_source_tool_set_src_display (GimpSourceTool *source_tool, + GimpDisplay *display) +{ + if (source_tool->src_display != display) + { + if (source_tool->src_display) + { + GimpDisplayShell *src_shell; + + src_shell = gimp_display_get_shell (source_tool->src_display); + + if (source_tool->src_handle) + { + gimp_display_shell_remove_tool_item (src_shell, + source_tool->src_handle); + source_tool->src_handle = NULL; + } + + if (source_tool->src_outline) + { + gimp_display_shell_remove_tool_item (src_shell, + source_tool->src_outline); + source_tool->src_outline = NULL; + } + } + + source_tool->src_display = display; + } +} -- cgit v1.2.3