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app/tools: introduce gimp_draw_tool_add_crosshair() 

gimp_draw_tool_add_crosshair() is a convenience function that
adds two intersecting guide lines in a stroke group.
This commit is contained in:
Sven Neumann 2010-10-04 22:02:12 +02:00
parent b74811324a
commit 8587e1e920
3 changed files with 35 additions and 12 deletions
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13
app/tools/gimpcolortool.c
View File

@ -548,16 +548,9 @@ gimp_color_tool_draw (GimpDrawTool *draw_tool)
if (color_tool->sample_point_x != SAMPLE_POINT_POSITION_INVALID &&
color_tool->sample_point_y != SAMPLE_POINT_POSITION_INVALID)
{
gimp_draw_tool_push_group (draw_tool,
gimp_draw_tool_add_stroke_group (draw_tool));
gimp_draw_tool_add_guide (draw_tool,
GIMP_ORIENTATION_VERTICAL,
color_tool->sample_point_x, FALSE);
gimp_draw_tool_add_guide (draw_tool,
GIMP_ORIENTATION_HORIZONTAL,
color_tool->sample_point_y, FALSE);
gimp_draw_tool_pop_group (draw_tool);
gimp_draw_tool_add_crosshair (draw_tool,
color_tool->sample_point_x,
color_tool->sample_point_y);
}
}
else if (color_tool->options->sample_average &&

31
app/tools/gimpdrawtool.c
View File

@ -466,7 +466,7 @@ gimp_draw_tool_add_line (GimpDrawTool *draw_tool,
}
/**
* gimp_draw_tool_draw_guide:
* gimp_draw_tool_add_guide:
* @draw_tool: the #GimpDrawTool
* @orientation: the orientation of the guide line
* @position: the position of the guide line in image coordinates
@ -493,7 +493,34 @@ gimp_draw_tool_add_guide (GimpDrawTool *draw_tool,
}
/**
* gimp_draw_tool_draw_sample_point:
* gimp_draw_tool_add_crosshair:
* @draw_tool: the #GimpDrawTool
* @position_x: the position of the vertical guide line in image coordinates
* @position_y: the position of the horizontal guide line in image coordinates
*
* This function draws two crossing guide lines across the canvas.
**/
GimpCanvasItem *
gimp_draw_tool_add_crosshair (GimpDrawTool *draw_tool,
gint position_x,
gint position_y)
{
GimpCanvasGroup *group;
group = gimp_draw_tool_add_stroke_group (draw_tool);
gimp_draw_tool_push_group (draw_tool, group);
gimp_draw_tool_add_guide (draw_tool,
GIMP_ORIENTATION_VERTICAL, position_x, FALSE);
gimp_draw_tool_add_guide (draw_tool,
GIMP_ORIENTATION_HORIZONTAL, position_y, FALSE);
gimp_draw_tool_pop_group (draw_tool);
return GIMP_CANVAS_ITEM (group);
}
/**
* gimp_draw_tool_add_sample_point:
* @draw_tool: the #GimpDrawTool
* @x: X position of the sample point
* @y: Y position of the sample point

3
app/tools/gimpdrawtool.h
View File

@ -101,6 +101,9 @@ GimpCanvasItem * gimp_draw_tool_add_guide (GimpDrawTool *draw_too
GimpOrientationType orientation,
gint position,
gboolean guide_style);
GimpCanvasItem * gimp_draw_tool_add_crosshair (GimpDrawTool *draw_tool,
gint position_x,
gint position_y);
GimpCanvasItem * gimp_draw_tool_add_sample_point (GimpDrawTool *draw_tool,
gint x,
gint y,