[gimp/blend-tool-fun: 10/10] experiment with handles
- From: Michael Henning <mhenning src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gimp/blend-tool-fun: 10/10] experiment with handles
- Date: Sun, 29 Jun 2014 03:26:17 +0000 (UTC)
commit d070e54d910e144cf1994b89689d160074e6008c
Author: Michael Henning <drawoc darkrefraction com>
Date: Thu Jun 26 12:57:06 2014 -0400
experiment with handles
app/tools/gimpblendtool.c | 92 +++++++++++++++++++++++++++++++++++++++++---
app/tools/gimpblendtool.h | 4 ++
2 files changed, 89 insertions(+), 7 deletions(-)
---
diff --git a/app/tools/gimpblendtool.c b/app/tools/gimpblendtool.c
index 5d8fe95..b02c19f 100644
--- a/app/tools/gimpblendtool.c
+++ b/app/tools/gimpblendtool.c
@@ -56,8 +56,11 @@
#include "gimp-intl.h"
+#define SHOW_LINE FALSE
+#define HANDLE_CROSS_DIAMETER 15
+#define HANDLE_DIAMETER 40
-#define POINT_GRAB_THRESHOLD_SQ (SQR (GIMP_TOOL_HANDLE_SIZE_CIRCLE / 2))
+#define POINT_GRAB_THRESHOLD_SQ (SQR (HANDLE_DIAMETER / 2))
/* local function prototypes */
@@ -527,24 +530,55 @@ gimp_blend_tool_draw (GimpDrawTool *draw_tool)
blend_tool->end_x,
blend_tool->end_y);
+gimp_canvas_item_set_visible (blend_tool->line,
+ SHOW_LINE);
+
+ //GimpCanvasGroup *group;
+ blend_tool->start_group = gimp_draw_tool_add_stroke_group (draw_tool);
+ blend_tool->end_group = gimp_draw_tool_add_stroke_group (draw_tool);
+ //gimp_draw_tool_push_group (draw_tool, blend_tool->start_group);
+
blend_tool->start_handle =
gimp_draw_tool_add_handle (draw_tool,
- GIMP_HANDLE_FILLED_CIRCLE,
+ GIMP_HANDLE_CIRCLE,
+ blend_tool->start_x,
+ blend_tool->start_y,
+ HANDLE_DIAMETER,
+ HANDLE_DIAMETER,
+ GIMP_HANDLE_ANCHOR_CENTER);
+
+ blend_tool->start_handle_cross =
+ gimp_draw_tool_add_handle (draw_tool,
+ GIMP_HANDLE_CROSS,
blend_tool->start_x,
blend_tool->start_y,
- GIMP_TOOL_HANDLE_SIZE_CIRCLE,
- GIMP_TOOL_HANDLE_SIZE_CIRCLE,
+ HANDLE_CROSS_DIAMETER,
+ HANDLE_CROSS_DIAMETER,
GIMP_HANDLE_ANCHOR_CENTER);
+ /*gimp_draw_tool_pop_group (draw_tool);
+ gimp_draw_tool_push_group (draw_tool, blend_tool->end_group);*/
+
blend_tool->end_handle =
gimp_draw_tool_add_handle (draw_tool,
- GIMP_HANDLE_FILLED_CIRCLE,
+ GIMP_HANDLE_CIRCLE,
+ blend_tool->end_x,
+ blend_tool->end_y,
+ HANDLE_DIAMETER,
+ HANDLE_DIAMETER,
+ GIMP_HANDLE_ANCHOR_CENTER);
+
+ blend_tool->end_handle_cross =
+ gimp_draw_tool_add_handle (draw_tool,
+ GIMP_HANDLE_CROSS,
blend_tool->end_x,
blend_tool->end_y,
- GIMP_TOOL_HANDLE_SIZE_CIRCLE,
- GIMP_TOOL_HANDLE_SIZE_CIRCLE,
+ HANDLE_CROSS_DIAMETER,
+ HANDLE_CROSS_DIAMETER,
GIMP_HANDLE_ANCHOR_CENTER);
+ //gimp_draw_tool_pop_group (draw_tool);
+
gimp_blend_tool_update_item_hilight (blend_tool);
}
@@ -567,6 +601,14 @@ gimp_blend_tool_update_items (GimpBlendTool *blend_tool)
blend_tool->end_x,
blend_tool->end_y);
+ gimp_canvas_handle_set_position (blend_tool->start_handle_cross,
+ blend_tool->start_x,
+ blend_tool->start_y);
+
+ gimp_canvas_handle_set_position (blend_tool->end_handle_cross,
+ blend_tool->end_x,
+ blend_tool->end_y);
+
gimp_blend_tool_update_item_hilight (blend_tool);
}
}
@@ -587,6 +629,42 @@ gimp_blend_tool_update_item_hilight (GimpBlendTool *blend_tool)
hilight_point == POINT_START);
gimp_canvas_item_set_highlight (blend_tool->end_handle,
hilight_point == POINT_END);
+ gimp_canvas_item_set_highlight (blend_tool->start_handle_cross,
+ hilight_point == POINT_START);
+ gimp_canvas_item_set_highlight (blend_tool->end_handle_cross,
+ hilight_point == POINT_END);
+
+
+
+{
+ gdouble dist;
+ GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (blend_tool);
+ /* Check end point */
+ dist = gimp_draw_tool_calc_distance_square (draw_tool,
+ draw_tool->display,
+ blend_tool->mouse_x,
+ blend_tool->mouse_y,
+ blend_tool->start_x,
+ blend_tool->start_y);
+
+if (blend_tool->grabbed_point) dist = 1337 * 42; // Magic constant
+gimp_canvas_item_set_visible (blend_tool->start_handle,
+ dist < POINT_GRAB_THRESHOLD_SQ * 9);
+
+
+
+ dist = gimp_draw_tool_calc_distance_square (draw_tool,
+ draw_tool->display,
+ blend_tool->mouse_x,
+ blend_tool->mouse_y,
+ blend_tool->end_x,
+ blend_tool->end_y);
+if (blend_tool->grabbed_point) dist = 1337 * 42;
+gimp_canvas_item_set_visible (blend_tool->end_handle,
+ dist < POINT_GRAB_THRESHOLD_SQ * 9);
+}
+
+
}
}
diff --git a/app/tools/gimpblendtool.h b/app/tools/gimpblendtool.h
index 6f35d04..d743703 100644
--- a/app/tools/gimpblendtool.h
+++ b/app/tools/gimpblendtool.h
@@ -59,6 +59,10 @@ struct _GimpBlendTool
GimpCanvasItem *start_handle;
GimpCanvasItem *line;
GimpCanvasItem *end_handle;
+ GimpCanvasItem *start_handle_cross;
+GimpCanvasItem *end_handle_cross;
+ GimpCanvasGroup *start_group;
+GimpCanvasGroup *end_group;
GeglNode *graph;
GeglNode *render_node;
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