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8b8c784a5b
2005-12-13 Michael Natterer <mitch@gimp.org> * app/tools/*.c: port to G_DEFINE_TYPE() and friends. Some related cleanup.
322 lines
11 KiB
C
322 lines
11 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <gtk/gtk.h>
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#include "libgimpbase/gimpbase.h"
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#include "libgimpwidgets/gimpwidgets.h"
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#include "tools-types.h"
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#include "core/gimp.h"
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#include "core/gimpdrawable.h"
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#include "core/gimpdrawable-blend.h"
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#include "core/gimpgradient.h"
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#include "core/gimpimage.h"
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#include "core/gimpprogress.h"
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#include "core/gimptoolinfo.h"
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#include "widgets/gimphelp-ids.h"
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#include "display/gimpdisplay.h"
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#include "gimpblendoptions.h"
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#include "gimpblendtool.h"
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#include "gimptoolcontrol.h"
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#include "tools-utils.h"
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#include "gimp-intl.h"
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#define TARGET_SIZE 15
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/* local function prototypes */
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static void gimp_blend_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_blend_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_blend_tool_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_blend_tool_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_blend_tool_draw (GimpDrawTool *draw_tool);
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G_DEFINE_TYPE (GimpBlendTool, gimp_blend_tool, GIMP_TYPE_DRAW_TOOL);
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#define parent_class gimp_blend_tool_parent_class
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void
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gimp_blend_tool_register (GimpToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (GIMP_TYPE_BLEND_TOOL,
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GIMP_TYPE_BLEND_OPTIONS,
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gimp_blend_options_gui,
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GIMP_CONTEXT_FOREGROUND_MASK |
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GIMP_CONTEXT_BACKGROUND_MASK |
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GIMP_CONTEXT_OPACITY_MASK |
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GIMP_CONTEXT_PAINT_MODE_MASK |
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GIMP_CONTEXT_GRADIENT_MASK,
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"gimp-blend-tool",
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_("Blend"),
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_("Fill with a color gradient"),
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N_("Blen_d"), "L",
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NULL, GIMP_HELP_TOOL_BLEND,
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GIMP_STOCK_TOOL_BLEND,
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data);
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}
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static void
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gimp_blend_tool_class_init (GimpBlendToolClass *klass)
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{
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GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
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GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
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tool_class->button_press = gimp_blend_tool_button_press;
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tool_class->button_release = gimp_blend_tool_button_release;
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tool_class->motion = gimp_blend_tool_motion;
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tool_class->cursor_update = gimp_blend_tool_cursor_update;
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draw_tool_class->draw = gimp_blend_tool_draw;
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}
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static void
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gimp_blend_tool_init (GimpBlendTool *blend_tool)
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{
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GimpTool *tool = GIMP_TOOL (blend_tool);
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gimp_tool_control_set_scroll_lock (tool->control, TRUE);
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gimp_tool_control_set_tool_cursor (tool->control,
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GIMP_TOOL_CURSOR_BLEND);
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gimp_tool_control_set_action_value_1 (tool->control,
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"context/context-opacity-set");
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gimp_tool_control_set_action_object_1 (tool->control,
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"context/context-gradient-select-set");
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}
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static void
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gimp_blend_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (tool);
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GimpDrawable *drawable;
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gint off_x, off_y;
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drawable = gimp_image_active_drawable (gdisp->gimage);
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switch (gimp_drawable_type (drawable))
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{
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case GIMP_INDEXED_IMAGE: case GIMP_INDEXEDA_IMAGE:
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g_message (_("Blend: Invalid for indexed images."));
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return;
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break;
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default:
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break;
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}
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gimp_item_offsets (GIMP_ITEM (drawable), &off_x, &off_y);
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blend_tool->endx = blend_tool->startx = coords->x - off_x;
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blend_tool->endy = blend_tool->starty = coords->y - off_y;
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tool->gdisp = gdisp;
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gimp_tool_control_activate (tool->control);
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/* initialize the statusbar display */
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gimp_tool_push_status_coords (tool, gdisp, _("Blend: "), 0, ", ", 0);
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/* Start drawing the blend tool */
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gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), gdisp);
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}
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static void
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gimp_blend_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (tool);
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GimpPaintOptions *paint_options;
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GimpBlendOptions *options;
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GimpContext *context;
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GimpImage *gimage;
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paint_options = GIMP_PAINT_OPTIONS (tool->tool_info->tool_options);
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options = GIMP_BLEND_OPTIONS (paint_options);
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context = GIMP_CONTEXT (options);
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gimage = gdisp->gimage;
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gimp_tool_pop_status (tool, gdisp);
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gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
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gimp_tool_control_halt (tool->control);
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/* if the 3rd button isn't pressed, fill the selected region */
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if (! (state & GDK_BUTTON3_MASK) &&
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((blend_tool->startx != blend_tool->endx) ||
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(blend_tool->starty != blend_tool->endy)))
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{
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GimpProgress *progress;
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progress = gimp_progress_start (GIMP_PROGRESS (gdisp),
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_("Blending"), FALSE);
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gimp_drawable_blend (gimp_image_active_drawable (gimage),
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context,
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GIMP_CUSTOM_MODE,
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gimp_context_get_paint_mode (context),
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options->gradient_type,
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gimp_context_get_opacity (context),
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options->offset,
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paint_options->gradient_options->gradient_repeat,
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paint_options->gradient_options->gradient_reverse,
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options->supersample,
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options->supersample_depth,
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options->supersample_threshold,
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options->dither,
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blend_tool->startx,
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blend_tool->starty,
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blend_tool->endx,
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blend_tool->endy,
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progress);
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if (progress)
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gimp_progress_end (progress);
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gimp_image_flush (gimage);
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}
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}
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static void
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gimp_blend_tool_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (tool);
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gint off_x, off_y;
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gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
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gimp_item_offsets (GIMP_ITEM (gimp_image_active_drawable (gdisp->gimage)),
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&off_x, &off_y);
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/* Get the current coordinates */
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blend_tool->endx = coords->x - off_x;
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blend_tool->endy = coords->y - off_y;
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/* Restrict to multiples of 15 degrees if ctrl is pressed */
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if (state & GDK_CONTROL_MASK)
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{
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gimp_tool_motion_constrain (blend_tool->startx, blend_tool->starty,
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&blend_tool->endx, &blend_tool->endy);
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}
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gimp_tool_pop_status (tool, gdisp);
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gimp_tool_push_status_coords (tool, gdisp,
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_("Blend: "),
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blend_tool->endx - blend_tool->startx,
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", ",
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blend_tool->endy - blend_tool->starty);
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gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
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}
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static void
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gimp_blend_tool_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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switch (gimp_drawable_type (gimp_image_active_drawable (gdisp->gimage)))
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{
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case GIMP_INDEXED_IMAGE:
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case GIMP_INDEXEDA_IMAGE:
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gimp_tool_control_set_cursor (tool->control, GIMP_CURSOR_BAD);
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break;
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default:
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gimp_tool_control_set_cursor (tool->control, GIMP_CURSOR_MOUSE);
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break;
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}
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GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, gdisp);
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}
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static void
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gimp_blend_tool_draw (GimpDrawTool *draw_tool)
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{
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GimpBlendTool *blend_tool = GIMP_BLEND_TOOL (draw_tool);
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/* Draw start target */
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gimp_draw_tool_draw_handle (draw_tool,
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GIMP_HANDLE_CROSS,
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floor (blend_tool->startx) + 0.5,
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floor (blend_tool->starty) + 0.5,
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TARGET_SIZE,
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TARGET_SIZE,
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GTK_ANCHOR_CENTER,
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TRUE);
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/* Draw end target */
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gimp_draw_tool_draw_handle (draw_tool,
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GIMP_HANDLE_CROSS,
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floor (blend_tool->endx) + 0.5,
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floor (blend_tool->endy) + 0.5,
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TARGET_SIZE,
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TARGET_SIZE,
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GTK_ANCHOR_CENTER,
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TRUE);
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/* Draw the line between the start and end coords */
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gimp_draw_tool_draw_line (draw_tool,
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floor (blend_tool->startx) + 0.5,
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floor (blend_tool->starty) + 0.5,
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floor (blend_tool->endx) + 0.5,
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floor (blend_tool->endy) + 0.5,
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TRUE);
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}
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