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added new function gimp_display_shell_transform_boundary() which takes an

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2003-07-09  Michael Natterer  <mitch@gimp.org>

	* app/display/gimpdisplayshell-transform.[ch]: added new function
	gimp_display_shell_transform_boundary() which takes an array of
	BoundSegs and returns an array of GdkSegments.

	* app/tools/gimpeditselectiontool.c: use it.
This commit is contained in:
Michael Natterer
2003-07-09 22:40:27 +00:00
committed by Michael Natterer
parent f07797b7fc
commit b14c364490
4 changed files with 112 additions and 88 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2003-07-09 Michael Natterer <mitch@gimp.org>
* app/display/gimpdisplayshell-transform.[ch]: added new function
gimp_display_shell_transform_boundary() which takes an array of
BoundSegs and returns an array of GdkSegments.
* app/tools/gimpeditselectiontool.c: use it.
2003-07-09 Manish Singh <yosh@gimp.org>
* devel-docs/Makefile.am: add gbr.txt and pat.txt

66
app/display/gimpdisplayshell-transform.c
View File

@ -22,6 +22,8 @@
#include "display-types.h"
#include "base/boundary.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"
@ -214,3 +216,67 @@ gimp_display_shell_untransform_xy_f (GimpDisplayShell *shell,
*nx = (x + shell->offset_x) / scalex - offset_x;
*ny = (y + shell->offset_y) / scaley - offset_y;
}
GdkSegment *
gimp_display_shell_transform_boundary (GimpDisplayShell *shell,
BoundSeg *bound_segs,
gint n_bound_segs,
gint offset_x,
gint offset_y)
{
GdkSegment *dest_segs;
gint x, y;
gint xclamp, yclamp;
gint i;
g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), NULL);
g_return_val_if_fail (n_bound_segs > 0 || bound_segs == NULL, NULL);
dest_segs = g_new0 (GdkSegment, n_bound_segs);
xclamp = shell->disp_width + 1;
yclamp = shell->disp_height + 1;
for (i = 0; i < n_bound_segs; i++)
{
gimp_display_shell_transform_xy (shell,
bound_segs[i].x1 + offset_x,
bound_segs[i].y1 + offset_y,
&x, &y,
FALSE);
dest_segs[i].x1 = CLAMP (x, -1, xclamp);
dest_segs[i].y1 = CLAMP (y, -1, yclamp);
gimp_display_shell_transform_xy (shell,
bound_segs[i].x2 + offset_x,
bound_segs[i].y2 + offset_y,
&x, &y,
FALSE);
dest_segs[i].x2 = CLAMP (x, -1, xclamp);
dest_segs[i].y2 = CLAMP (y, -1, yclamp);
/* If this segment is a closing segment && the segments lie inside
* the region, OR if this is an opening segment and the segments
* lie outside the region...
* we need to transform it by one display pixel
*/
if (! bound_segs[i].open)
{
/* If it is vertical */
if (dest_segs[i].x1 == dest_segs[i].x2)
{
dest_segs[i].x1 -= 1;
dest_segs[i].x2 -= 1;
}
else
{
dest_segs[i].y1 -= 1;
dest_segs[i].y2 -= 1;
}
}
}
return dest_segs;
}

8
app/display/gimpdisplayshell-transform.h
View File

@ -26,6 +26,7 @@ void gimp_display_shell_transform_coords (GimpDisplayShell *shell,
void gimp_display_shell_untransform_coords (GimpDisplayShell *shell,
GimpCoords *display_coords,
GimpCoords *image_coords);
void gimp_display_shell_transform_xy (GimpDisplayShell *shell,
gint x,
gint y,
@ -53,5 +54,12 @@ void gimp_display_shell_untransform_xy_f (GimpDisplayShell *shell,
gdouble *ny,
gboolean use_offsets);
GdkSegment *
gimp_display_shell_transform_boundary (GimpDisplayShell *shell,
BoundSeg *bound_segs,
gint n_bound_segs,
gint offset_x,
gint offset_y);
#endif /* __GIMP_DISPLAY_SHELL_TRANSFORM_H__ */

118
app/tools/gimpeditselectiontool.c
View File

@ -140,7 +140,7 @@ gimp_edit_selection_tool_get_type (void)
};
tool_type = g_type_register_static (GIMP_TYPE_DRAW_TOOL,
"GimpEditSelectionTool",
"GimpEditSelectionTool",
&tool_info, 0);
}
@ -197,7 +197,7 @@ gimp_edit_selection_tool_calc_coords (GimpEditSelectionTool *edit_select,
dx = x - edit_select->origx;
dy = y - edit_select->origy;
x1 = edit_select->x1 + dx;
y1 = edit_select->y1 + dy;
@ -532,7 +532,7 @@ gimp_edit_selection_tool_motion (GimpTool *tool,
if (edit_select->origx != x || edit_select->origy != y)
{
gint xoffset, yoffset;
xoffset = x - edit_select->origx;
yoffset = y - edit_select->origy;
@ -589,7 +589,7 @@ gimp_edit_selection_tool_motion (GimpTool *tool,
case EDIT_MASK_TO_LAYER_TRANSLATE:
case EDIT_MASK_COPY_TO_LAYER_TRANSLATE:
if (! gimp_image_mask_float (gdisp->gimage,
if (! gimp_image_mask_float (gdisp->gimage,
gimp_image_active_drawable (gdisp->gimage),
edit_select->edit_type ==
EDIT_MASK_TO_LAYER_TRANSLATE,
@ -605,7 +605,7 @@ gimp_edit_selection_tool_motion (GimpTool *tool,
* EDIT_FLOATING_SEL_TRANSLATE when finished here
*/
gimp_image_undo_freeze (gdisp->gimage);
edit_select->first_move = FALSE;
edit_select->first_move = FALSE;
edit_select->origx -= edit_select->x1;
edit_select->origy -= edit_select->y1;
@ -655,77 +655,21 @@ gimp_edit_selection_tool_motion (GimpTool *tool,
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
static void
selection_transform_segs (GimpEditSelectionTool *edit_select,
BoundSeg *src_segs,
GdkSegment *dest_segs,
gint num_segs)
{
GimpDisplayShell *shell;
gint x, y;
gint i;
gint xclamp, yclamp;
shell = GIMP_DISPLAY_SHELL (GIMP_TOOL (edit_select)->gdisp->shell);
xclamp = shell->disp_width + 1;
yclamp = shell->disp_height + 1;
for (i = 0; i < num_segs; i++)
{
gimp_display_shell_transform_xy (shell,
src_segs[i].x1 + edit_select->cumlx,
src_segs[i].y1 + edit_select->cumly,
&x, &y,
FALSE);
dest_segs[i].x1 = CLAMP (x, -1, xclamp);
dest_segs[i].y1 = CLAMP (y, -1, yclamp);
gimp_display_shell_transform_xy (shell,
src_segs[i].x2 + edit_select->cumlx,
src_segs[i].y2 + edit_select->cumly,
&x, &y,
FALSE);
dest_segs[i].x2 = CLAMP (x, -1, xclamp);
dest_segs[i].y2 = CLAMP (y, -1, yclamp);
/* If this segment is a closing segment && the segments lie inside
* the region, OR if this is an opening segment and the segments
* lie outside the region...
* we need to transform it by one display pixel
*/
if (!src_segs[i].open)
{
/* If it is vertical */
if (dest_segs[i].x1 == dest_segs[i].x2)
{
dest_segs[i].x1 -= 1;
dest_segs[i].x2 -= 1;
}
else
{
dest_segs[i].y1 -= 1;
dest_segs[i].y2 -= 1;
}
}
}
}
static void
gimp_edit_selection_tool_draw (GimpDrawTool *draw_tool)
{
GimpEditSelectionTool *edit_select;
GimpTool *tool;
GimpDisplay *gdisp;
GimpDisplayShell *shell;
Selection *select;
edit_select = GIMP_EDIT_SELECTION_TOOL (draw_tool);
tool = GIMP_TOOL (draw_tool);
gdisp = tool->gdisp;
select = GIMP_DISPLAY_SHELL (gdisp->shell)->select;
shell = GIMP_DISPLAY_SHELL (gdisp->shell);
select = shell->select;
switch (edit_select->edit_type)
{
@ -737,12 +681,12 @@ gimp_edit_selection_tool_draw (GimpDrawTool *draw_tool)
if (! floating_sel)
{
segs_copy = g_new (GdkSegment, edit_select->num_segs_in);
selection_transform_segs (edit_select,
edit_select->segs_in,
segs_copy,
edit_select->num_segs_in);
segs_copy =
gimp_display_shell_transform_boundary (shell,
edit_select->segs_in,
edit_select->num_segs_in,
edit_select->cumlx,
edit_select->cumly);
/* Draw the items */
gdk_draw_segments (draw_tool->win, draw_tool->gc,
@ -751,12 +695,12 @@ gimp_edit_selection_tool_draw (GimpDrawTool *draw_tool)
g_free (segs_copy);
}
segs_copy = g_new (GdkSegment, edit_select->num_segs_out);
selection_transform_segs (edit_select,
edit_select->segs_out,
segs_copy,
edit_select->num_segs_out);
segs_copy =
gimp_display_shell_transform_boundary (shell,
edit_select->segs_out,
edit_select->num_segs_out,
edit_select->cumlx,
edit_select->cumly);
/* Draw the items */
gdk_draw_segments (draw_tool->win, draw_tool->gc,
@ -831,16 +775,14 @@ gimp_edit_selection_tool_draw (GimpDrawTool *draw_tool)
case EDIT_FLOATING_SEL_TRANSLATE:
{
GdkSegment *segs_copy = g_new (GdkSegment, edit_select->num_segs_in);
GdkSegment *segs_copy;
/* The selection segs are in image space convert these
* to display space.
* Takes care of offset/zoom etc etc.
*/
selection_transform_segs (edit_select,
edit_select->segs_in,
segs_copy,
edit_select->num_segs_in);
segs_copy =
gimp_display_shell_transform_boundary (shell,
edit_select->segs_in,
edit_select->num_segs_in,
edit_select->cumlx,
edit_select->cumly);
/* Draw the items */
gdk_draw_segments (draw_tool->win, draw_tool->gc,
@ -856,7 +798,7 @@ gimp_edit_selection_tool_draw (GimpDrawTool *draw_tool)
* so it can be used by other tools?
*/
static gint
process_event_queue_keys (GdkEventKey *kevent,
process_event_queue_keys (GdkEventKey *kevent,
... /* GdkKeyType, GdkModifierType, value ... 0 */)
{
@ -969,7 +911,7 @@ gimp_edit_selection_tool_arrow_key (GimpTool *tool,
/* check for mask translation first because the translate_layer
* modifiers match the translate_mask ones...
*/
mask_inc_x =
mask_inc_x =
process_event_queue_keys (kevent,
GDK_Left, (GDK_MOD1_MASK | GDK_SHIFT_MASK),
-1 * ARROW_VELOCITY,
@ -1139,7 +1081,7 @@ gimp_edit_selection_tool_arrow_key (GimpTool *tool,
/* translate all linked items as well */
for (list = GIMP_LIST (gdisp->gimage->layers)->list;
list;
list;
list = g_list_next (list))
{
GimpItem *item = list->data;