Adding upstream version 2.10.36.upstream/2.10.36

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 519 insertions, 0 deletions

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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#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;
+    }
+}