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gimptoolpath: use drop shaped handle to indicate the start of a stroke.

This commit is contained in:
Simon Budig 2020-05-15 02:21:22 +02:00
parent 44352cb769
commit 000bc5fff4
1 changed files with 36 additions and 2 deletions
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38
app/display/gimptoolpath.c
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@ -28,6 +28,7 @@
#include <gdk/gdkkeysyms.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "display-types.h"
@ -174,7 +175,7 @@ static GimpVectorFunction
gimp_tool_path_get_function (GimpToolPath *path,
const GimpCoords *coords,
GdkModifierType state);
static void gimp_tool_path_update_status (GimpToolPath *path,
GdkModifierType state,
gboolean proximity);
@ -401,6 +402,7 @@ gimp_tool_path_changed (GimpToolWidget *widget)
GArray *coords;
GList *draw_anchors;
GList *list;
gboolean first = TRUE;
/* anchor handles */
draw_anchors = gimp_stroke_get_draw_anchors (cur_stroke);
@ -422,7 +424,39 @@ gimp_tool_path_changed (GimpToolWidget *widget)
GIMP_CANVAS_HANDLE_SIZE_CIRCLE,
GIMP_HANDLE_ANCHOR_CENTER);
if (first)
{
gdouble angle = 0.0;
GimpAnchor *next;
for (next = gimp_stroke_anchor_get_next (cur_stroke,
cur_anchor);
next;
next = gimp_stroke_anchor_get_next (cur_stroke, next))
{
if (((next->position.x - cur_anchor->position.x) *
(next->position.x - cur_anchor->position.x) +
(next->position.y - cur_anchor->position.y) *
(next->position.y - cur_anchor->position.y)) >= 0.1)
break;
}
if (next)
{
angle = atan2 (next->position.y - cur_anchor->position.y,
next->position.x - cur_anchor->position.x);
g_object_set (item,
"type", (cur_anchor->selected ?
GIMP_HANDLE_DROP :
GIMP_HANDLE_FILLED_DROP),
"start-angle", angle,
NULL);
}
}
private->items = g_list_prepend (private->items, item);
first = FALSE;
}
}
@ -1048,7 +1082,7 @@ gimp_tool_path_hit (GimpToolWidget *widget,
case VECTORS_ADD_ANCHOR:
case VECTORS_MOVE_VECTORS:
return GIMP_HIT_INDIRECT;
case VECTORS_FINISHED:
return GIMP_HIT_NONE;
}