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app: return the created item from gimp_draw_tool_draw_foo()

This commit is contained in:
Michael Natterer 2010-09-25 17:52:56 +02:00
parent 02924e1e70
commit 5cda4393d0
2 changed files with 191 additions and 167 deletions
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80
app/tools/gimpdrawtool.c
View File

@ -411,7 +411,7 @@ gimp_draw_tool_in_radius (GimpDrawTool *draw_tool,
* screen window coordinates, then draws a line between the resulting
* coordindates.
**/
void
GimpCanvasItem *
gimp_draw_tool_draw_line (GimpDrawTool *draw_tool,
gdouble x1,
gdouble y1,
@ -420,12 +420,14 @@ gimp_draw_tool_draw_line (GimpDrawTool *draw_tool,
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
item = gimp_canvas_line_new (x1, y1, x2, y2);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
/**
@ -440,7 +442,7 @@ gimp_draw_tool_draw_line (GimpDrawTool *draw_tool,
* screen window coordinates, then draws a dashed line between the
* resulting coordindates.
**/
void
GimpCanvasItem *
gimp_draw_tool_draw_dashed_line (GimpDrawTool *draw_tool,
gdouble x1,
gdouble y1,
@ -449,13 +451,15 @@ gimp_draw_tool_draw_dashed_line (GimpDrawTool *draw_tool,
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
item = gimp_canvas_line_new (x1, y1, x2, y2);
gimp_canvas_item_set_highlight (item, TRUE);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
/**
@ -466,19 +470,21 @@ gimp_draw_tool_draw_dashed_line (GimpDrawTool *draw_tool,
*
* This function draws a guide line across the canvas.
**/
void
GimpCanvasItem *
gimp_draw_tool_draw_guide_line (GimpDrawTool *draw_tool,
GimpOrientationType orientation,
gint position)
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
item = gimp_canvas_guide_new (orientation, position);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
/**
@ -493,7 +499,7 @@ gimp_draw_tool_draw_guide_line (GimpDrawTool *draw_tool,
* This function takes image space coordinates and transforms them to
* screen window coordinates, then draws the resulting rectangle.
**/
void
GimpCanvasItem *
gimp_draw_tool_draw_rectangle (GimpDrawTool *draw_tool,
gboolean filled,
gdouble x,
@ -503,15 +509,17 @@ gimp_draw_tool_draw_rectangle (GimpDrawTool *draw_tool,
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
item = gimp_canvas_rectangle_new (x, y, width, height, filled);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
void
GimpCanvasItem *
gimp_draw_tool_draw_arc (GimpDrawTool *draw_tool,
gboolean filled,
gdouble x,
@ -523,7 +531,7 @@ gimp_draw_tool_draw_arc (GimpDrawTool *draw_tool,
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
item = gimp_canvas_arc_new (x + width / 2.0,
y + height / 2.0,
@ -535,9 +543,11 @@ gimp_draw_tool_draw_arc (GimpDrawTool *draw_tool,
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
void
GimpCanvasItem *
gimp_draw_tool_draw_arc_by_anchor (GimpDrawTool *draw_tool,
gboolean filled,
gdouble x,
@ -550,7 +560,7 @@ gimp_draw_tool_draw_arc_by_anchor (GimpDrawTool *draw_tool,
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
item = gimp_canvas_handle_new (filled ?
GIMP_HANDLE_FILLED_CIRCLE :
@ -562,9 +572,11 @@ gimp_draw_tool_draw_arc_by_anchor (GimpDrawTool *draw_tool,
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
void
GimpCanvasItem *
gimp_draw_tool_draw_handle (GimpDrawTool *draw_tool,
GimpHandleType type,
gdouble x,
@ -575,12 +587,14 @@ gimp_draw_tool_draw_handle (GimpDrawTool *draw_tool,
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
item = gimp_canvas_handle_new (type, anchor, x, y, width, height);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
/**
@ -600,7 +614,7 @@ gimp_draw_tool_draw_handle (GimpDrawTool *draw_tool,
* screen window coordinates. It draws a corner into an already drawn
* rectangle outline, taking care of not drawing over an already drawn line.
**/
void
GimpCanvasItem *
gimp_draw_tool_draw_corner (GimpDrawTool *draw_tool,
gboolean highlight,
gboolean put_outside,
@ -614,7 +628,7 @@ gimp_draw_tool_draw_corner (GimpDrawTool *draw_tool,
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
item = gimp_canvas_corner_new (x1, y1, x2 - x1, y2 - y1,
anchor, width, height, put_outside);
@ -622,9 +636,11 @@ gimp_draw_tool_draw_corner (GimpDrawTool *draw_tool,
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
void
GimpCanvasItem *
gimp_draw_tool_draw_lines (GimpDrawTool *draw_tool,
const GimpVector2 *points,
gint n_points,
@ -632,18 +648,20 @@ gimp_draw_tool_draw_lines (GimpDrawTool *draw_tool,
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
if (points == NULL || n_points < 2)
return;
return NULL;
item = gimp_canvas_polygon_new (points, n_points, filled);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
void
GimpCanvasItem *
gimp_draw_tool_draw_strokes (GimpDrawTool *draw_tool,
const GimpCoords *points,
gint n_points,
@ -651,15 +669,17 @@ gimp_draw_tool_draw_strokes (GimpDrawTool *draw_tool,
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
if (points == NULL || n_points < 2)
return;
return NULL;
item = gimp_canvas_polygon_new_from_coords (points, n_points, filled);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
/**
@ -675,7 +695,7 @@ gimp_draw_tool_draw_strokes (GimpDrawTool *draw_tool,
* include the sentinel segments inserted by sort_boundary() that
* indicate the end of connected segment sequences (groups) .
*/
void
GimpCanvasItem *
gimp_draw_tool_draw_boundary (GimpDrawTool *draw_tool,
const BoundSeg *bound_segs,
gint n_bound_segs,
@ -684,30 +704,34 @@ gimp_draw_tool_draw_boundary (GimpDrawTool *draw_tool,
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_if_fail (n_bound_segs > 0);
g_return_if_fail (bound_segs != NULL);
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
g_return_val_if_fail (n_bound_segs > 0, NULL);
g_return_val_if_fail (bound_segs != NULL, NULL);
item = gimp_canvas_boundary_new (bound_segs, n_bound_segs,
offset_x, offset_y);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
void
GimpCanvasItem *
gimp_draw_tool_draw_text_cursor (GimpDrawTool *draw_tool,
PangoRectangle *cursor,
gboolean overwrite)
{
GimpCanvasItem *item;
g_return_if_fail (GIMP_IS_DRAW_TOOL (draw_tool));
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
item = gimp_canvas_text_cursor_new (cursor, overwrite);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
gboolean

24
app/tools/gimpdrawtool.h
View File

@ -89,26 +89,26 @@ gboolean gimp_draw_tool_in_radius (GimpDrawTool *draw_tool,
gdouble y2,
gint radius);
void gimp_draw_tool_draw_line (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_line (GimpDrawTool *draw_tool,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2);
void gimp_draw_tool_draw_dashed_line (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_dashed_line (GimpDrawTool *draw_tool,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2);
void gimp_draw_tool_draw_guide_line (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_guide_line (GimpDrawTool *draw_tool,
GimpOrientationType orientation,
gint position);
void gimp_draw_tool_draw_rectangle (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_rectangle (GimpDrawTool *draw_tool,
gboolean filled,
gdouble x,
gdouble y,
gdouble width,
gdouble height);
void gimp_draw_tool_draw_arc (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_arc (GimpDrawTool *draw_tool,
gboolean filled,
gdouble x,
gdouble y,
@ -117,7 +117,7 @@ void gimp_draw_tool_draw_arc (GimpDrawTool *draw_tool,
gdouble start_angle,
gdouble slice_angle);
void gimp_draw_tool_draw_arc_by_anchor (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_arc_by_anchor (GimpDrawTool *draw_tool,
gboolean filled,
gdouble x,
gdouble y,
@ -127,14 +127,14 @@ void gimp_draw_tool_draw_arc_by_anchor (GimpDrawTool *draw_tool,
gdouble slice_angle,
GtkAnchorType anchor);
void gimp_draw_tool_draw_handle (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_handle (GimpDrawTool *draw_tool,
GimpHandleType type,
gdouble x,
gdouble y,
gint width,
gint height,
GtkAnchorType anchor);
void gimp_draw_tool_draw_corner (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_corner (GimpDrawTool *draw_tool,
gboolean highlight,
gboolean put_outside,
gdouble x1,
@ -144,23 +144,23 @@ void gimp_draw_tool_draw_corner (GimpDrawTool *draw_tool,
gint width,
gint height,
GtkAnchorType anchor);
void gimp_draw_tool_draw_lines (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_lines (GimpDrawTool *draw_tool,
const GimpVector2 *points,
gint n_points,
gboolean filled);
void gimp_draw_tool_draw_strokes (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_strokes (GimpDrawTool *draw_tool,
const GimpCoords *points,
gint n_points,
gboolean filled);
void gimp_draw_tool_draw_boundary (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_boundary (GimpDrawTool *draw_tool,
const BoundSeg *bound_segs,
gint n_bound_segs,
gdouble offset_x,
gdouble offset_y);
void gimp_draw_tool_draw_text_cursor (GimpDrawTool *draw_tool,
GimpCanvasItem * gimp_draw_tool_draw_text_cursor (GimpDrawTool *draw_tool,
PangoRectangle *cursor,
gboolean overwrite);