static void
gimp_perspective_clone_finalize (GObject *object)
{
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (object);
if (clone->src_area)
{
temp_buf_free (clone->src_area);
clone->src_area = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_perspective_clone_tool_options_notify (GimpTool *tool,
GimpToolOptions *options,
const GParamSpec *pspec)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
GimpPerspectiveCloneOptions *clone_options;
clone_options = GIMP_PERSPECTIVE_CLONE_OPTIONS (options);
GIMP_TOOL_CLASS (parent_class)->options_notify (tool, options, pspec);
if (! strcmp (pspec->name, "clone-mode"))
{
GimpPerspectiveClone *clone;
clone = GIMP_PERSPECTIVE_CLONE (GIMP_PAINT_TOOL (tool)->core);
gimp_draw_tool_pause (GIMP_DRAW_TOOL (clone_tool));
if (clone_options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_PAINT)
{
gimp_perspective_clone_set_transform (clone, &clone_tool->transform);
gimp_paint_tool_set_active (paint_tool, TRUE);
}
else
{
gimp_paint_tool_set_active (paint_tool, FALSE);
gimp_tool_control_set_precision (tool->control,
GIMP_CURSOR_PRECISION_SUBPIXEL);
/* start drawing the bounding box and handles... */
if (tool->display &&
! gimp_draw_tool_is_active (GIMP_DRAW_TOOL (clone_tool)))
{
gimp_draw_tool_start (GIMP_DRAW_TOOL (clone_tool), tool->display);
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (clone_tool));
}
}
static void
gimp_perspective_clone_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (paint_tool->core);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
if (clone_tool->grab_widget)
{
gimp_tool_widget_motion (clone_tool->grab_widget, coords, time, state);
}
}
else if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_PAINT)
{
gdouble nnx, nny;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
GIMP_TOOL_CLASS (parent_class)->motion (tool, coords, time, state,
display);
/* Set the coordinates for the reference cross */
gimp_perspective_clone_get_source_point (clone,
coords->x, coords->y,
&nnx, &nny);
clone_tool->src_x = floor (nnx);
clone_tool->src_y = floor (nny);
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
}
static void
gimp_perspective_clone_tool_mode_notify (GimpPerspectiveCloneOptions *options,
GParamSpec *pspec,
GimpPerspectiveCloneTool *clone_tool)
{
GimpTool *tool = GIMP_TOOL (clone_tool);
GimpPerspectiveClone *clone;
clone = GIMP_PERSPECTIVE_CLONE (GIMP_PAINT_TOOL (clone_tool)->core);
gimp_draw_tool_pause (GIMP_DRAW_TOOL (clone_tool));
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_PAINT)
{
/* GimpPaintTool's notify callback will set the right precision */
g_object_notify (G_OBJECT (options), "hard");
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_CLONE);
gimp_perspective_clone_set_transform (clone, &clone_tool->transform);
}
else
{
gimp_tool_control_set_precision (tool->control,
GIMP_CURSOR_PRECISION_SUBPIXEL);
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_PERSPECTIVE);
/* start drawing the bounding box and handles... */
if (tool->display &&
! gimp_draw_tool_is_active (GIMP_DRAW_TOOL (clone_tool)))
{
gimp_draw_tool_start (GIMP_DRAW_TOOL (clone_tool), tool->display);
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (clone_tool));
}
static GeglBuffer *
gimp_perspective_clone_get_source (GimpSourceCore *source_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
GimpPickable *src_pickable,
gint src_offset_x,
gint src_offset_y,
GeglBuffer *paint_buffer,
gint paint_buffer_x,
gint paint_buffer_y,
gint *paint_area_offset_x,
gint *paint_area_offset_y,
gint *paint_area_width,
gint *paint_area_height,
GeglRectangle *src_rect)
{
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (source_core);
GimpCloneOptions *clone_options = GIMP_CLONE_OPTIONS (paint_options);
GeglBuffer *src_buffer;
GeglBuffer *dest_buffer;
const Babl *src_format_alpha;
gint x1d, y1d, x2d, y2d;
gdouble x1s, y1s, x2s, y2s, x3s, y3s, x4s, y4s;
gint xmin, ymin, xmax, ymax;
GimpMatrix3 matrix;
GimpMatrix3 gegl_matrix;
src_buffer = gimp_pickable_get_buffer (src_pickable);
src_format_alpha = gimp_pickable_get_format_with_alpha (src_pickable);
/* Destination coordinates that will be painted */
x1d = paint_buffer_x;
y1d = paint_buffer_y;
x2d = paint_buffer_x + gegl_buffer_get_width (paint_buffer);
y2d = paint_buffer_y + gegl_buffer_get_height (paint_buffer);
/* Boundary box for source pixels to copy: Convert all the vertex of
* the box to paint in destination area to its correspondent in
* source area bearing in mind perspective
*/
gimp_perspective_clone_get_source_point (clone, x1d, y1d, &x1s, &y1s);
gimp_perspective_clone_get_source_point (clone, x1d, y2d, &x2s, &y2s);
gimp_perspective_clone_get_source_point (clone, x2d, y1d, &x3s, &y3s);
gimp_perspective_clone_get_source_point (clone, x2d, y2d, &x4s, &y4s);
xmin = floor (MIN4 (x1s, x2s, x3s, x4s));
ymin = floor (MIN4 (y1s, y2s, y3s, y4s));
xmax = ceil (MAX4 (x1s, x2s, x3s, x4s));
ymax = ceil (MAX4 (y1s, y2s, y3s, y4s));
switch (clone_options->clone_type)
{
case GIMP_IMAGE_CLONE:
if (! gimp_rectangle_intersect (xmin, ymin,
xmax - xmin, ymax - ymin,
0, 0,
gegl_buffer_get_width (src_buffer),
gegl_buffer_get_height (src_buffer),
NULL, NULL, NULL, NULL))
{
/* if the source area is completely out of the image */
return NULL;
}
break;
case GIMP_PATTERN_CLONE:
gegl_node_set (clone->crop,
"x", (gdouble) xmin,
"y", (gdouble) ymin,
"width", (gdouble) xmax - xmin,
"height", (gdouble) ymax - ymin,
NULL);
break;
}
dest_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, x2d - x1d, y2d - y1d),
src_format_alpha);
gimp_perspective_clone_get_matrix (clone, &matrix);
gimp_matrix3_identity (&gegl_matrix);
gimp_matrix3_mult (&matrix, &gegl_matrix);
gimp_matrix3_translate (&gegl_matrix, -x1d, -y1d);
gimp_gegl_node_set_matrix (clone->transform_node, &gegl_matrix);
gegl_node_set (clone->dest_node,
"buffer", dest_buffer,
NULL);
gegl_node_blit (clone->dest_node, 1.0,
GEGL_RECTANGLE (0, 0, x2d - x1d, y2d - y1d),
NULL, NULL, 0, GEGL_BLIT_DEFAULT);
*src_rect = *GEGL_RECTANGLE (0, 0, x2d - x1d, y2d - y1d);
return dest_buffer;
}
static void
gimp_perspective_clone_paint (GimpPaintCore *paint_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
const GimpCoords *coords,
GimpPaintState paint_state,
guint32 time)
{
GimpSourceCore *source_core = GIMP_SOURCE_CORE (paint_core);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (paint_core);
GimpContext *context = GIMP_CONTEXT (paint_options);
GimpCloneOptions *clone_options = GIMP_CLONE_OPTIONS (paint_options);
GimpSourceOptions *options = GIMP_SOURCE_OPTIONS (paint_options);
switch (paint_state)
{
case GIMP_PAINT_STATE_INIT:
if (source_core->set_source)
{
g_object_set (source_core, "src-drawable", drawable, NULL);
source_core->src_x = coords->x;
source_core->src_y = coords->y;
/* get source coordinates in front view perspective */
gimp_matrix3_transform_point (&clone->transform_inv,
source_core->src_x,
source_core->src_y,
&clone->src_x_fv,
&clone->src_y_fv);
source_core->first_stroke = TRUE;
}
else
{
GeglBuffer *orig_buffer = NULL;
GeglNode *tile = NULL;
GeglNode *src_node;
if (options->align_mode == GIMP_SOURCE_ALIGN_NO)
{
source_core->orig_src_x = source_core->src_x;
source_core->orig_src_y = source_core->src_y;
source_core->first_stroke = TRUE;
}
clone->node = gegl_node_new ();
g_object_set (clone->node,
"dont-cache", TRUE,
NULL);
switch (clone_options->clone_type)
{
case GIMP_IMAGE_CLONE:
{
GimpPickable *src_pickable;
GimpImage *src_image;
GimpImage *dest_image;
/* If the source image is different from the
* destination, then we should copy straight from the
* source image to the canvas.
* Otherwise, we need a call to get_orig_image to make sure
* we get a copy of the unblemished (offset) image
*/
src_pickable = GIMP_PICKABLE (source_core->src_drawable);
src_image = gimp_pickable_get_image (src_pickable);
if (options->sample_merged)
src_pickable = GIMP_PICKABLE (gimp_image_get_projection (src_image));
dest_image = gimp_item_get_image (GIMP_ITEM (drawable));
if ((options->sample_merged &&
(src_image != dest_image)) ||
(! options->sample_merged &&
(source_core->src_drawable != drawable)))
{
orig_buffer = gimp_pickable_get_buffer (src_pickable);
}
else
{
if (options->sample_merged)
orig_buffer = gimp_paint_core_get_orig_proj (paint_core);
else
orig_buffer = gimp_paint_core_get_orig_image (paint_core);
}
}
break;
case GIMP_PATTERN_CLONE:
{
GimpPattern *pattern = gimp_context_get_pattern (context);
orig_buffer = gimp_pattern_create_buffer (pattern);
tile = gegl_node_new_child (clone->node,
"operation", "gegl:tile",
NULL);
clone->crop = gegl_node_new_child (clone->node,
"operation", "gegl:crop",
NULL);
}
break;
}
src_node = gegl_node_new_child (clone->node,
"operation", "gegl:buffer-source",
"buffer", orig_buffer,
NULL);
clone->transform_node =
gegl_node_new_child (clone->node,
"operation", "gegl:transform",
"sampler", GIMP_INTERPOLATION_LINEAR,
NULL);
clone->dest_node =
gegl_node_new_child (clone->node,
"operation", "gegl:write-buffer",
NULL);
if (tile)
{
gegl_node_link_many (src_node,
tile,
clone->crop,
clone->transform_node,
clone->dest_node,
NULL);
g_object_unref (orig_buffer);
}
else
{
gegl_node_link_many (src_node,
clone->transform_node,
clone->dest_node,
NULL);
}
}
break;
case GIMP_PAINT_STATE_MOTION:
if (source_core->set_source)
{
/* If the control key is down, move the src target and return */
source_core->src_x = coords->x;
source_core->src_y = coords->y;
/* get source coordinates in front view perspective */
gimp_matrix3_transform_point (&clone->transform_inv,
source_core->src_x,
source_core->src_y,
&clone->src_x_fv,
&clone->src_y_fv);
source_core->first_stroke = TRUE;
}
else
{
/* otherwise, update the target */
gint dest_x;
gint dest_y;
dest_x = coords->x;
dest_y = coords->y;
if (options->align_mode == GIMP_SOURCE_ALIGN_REGISTERED)
{
source_core->offset_x = 0;
source_core->offset_y = 0;
}
else if (options->align_mode == GIMP_SOURCE_ALIGN_FIXED)
{
source_core->offset_x = source_core->src_x - dest_x;
source_core->offset_y = source_core->src_y - dest_y;
}
else if (source_core->first_stroke)
{
source_core->offset_x = source_core->src_x - dest_x;
source_core->offset_y = source_core->src_y - dest_y;
/* get destination coordinates in front view perspective */
gimp_matrix3_transform_point (&clone->transform_inv,
dest_x,
dest_y,
&clone->dest_x_fv,
&clone->dest_y_fv);
source_core->first_stroke = FALSE;
}
gimp_source_core_motion (source_core, drawable, paint_options, coords);
}
break;
case GIMP_PAINT_STATE_FINISH:
if (clone->node)
{
g_object_unref (clone->node);
clone->node = NULL;
clone->crop = NULL;
clone->transform_node = NULL;
clone->dest_node = NULL;
}
break;
default:
break;
}
g_object_notify (G_OBJECT (clone), "src-x");
g_object_notify (G_OBJECT (clone), "src-y");
}
static void
gimp_perspective_clone_tool_draw (GimpDrawTool *draw_tool)
{
GimpTool *tool = GIMP_TOOL (draw_tool);
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (draw_tool);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (GIMP_PAINT_TOOL (tool)->core);
GimpSourceCore *source_core = GIMP_SOURCE_CORE (clone);
GimpPerspectiveCloneOptions *options;
GimpCanvasGroup *stroke_group;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
stroke_group = gimp_draw_tool_add_stroke_group (draw_tool);
/* draw the bounding box */
gimp_draw_tool_push_group (draw_tool, stroke_group);
gimp_draw_tool_add_line (draw_tool,
clone_tool->tx1, clone_tool->ty1,
clone_tool->tx2, clone_tool->ty2);
gimp_draw_tool_add_line (draw_tool,
clone_tool->tx2, clone_tool->ty2,
clone_tool->tx4, clone_tool->ty4);
gimp_draw_tool_add_line (draw_tool,
clone_tool->tx3, clone_tool->ty3,
clone_tool->tx4, clone_tool->ty4);
gimp_draw_tool_add_line (draw_tool,
clone_tool->tx3, clone_tool->ty3,
clone_tool->tx1, clone_tool->ty1);
gimp_draw_tool_pop_group (draw_tool);
/* draw the tool handles only when they can be used */
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_SQUARE,
clone_tool->tx1, clone_tool->ty1,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_HANDLE_ANCHOR_CENTER);
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_SQUARE,
clone_tool->tx2, clone_tool->ty2,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_HANDLE_ANCHOR_CENTER);
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_SQUARE,
clone_tool->tx3, clone_tool->ty3,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_HANDLE_ANCHOR_CENTER);
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_SQUARE,
clone_tool->tx4, clone_tool->ty4,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_TOOL_HANDLE_SIZE_LARGE,
GIMP_HANDLE_ANCHOR_CENTER);
}
if (source_core->src_drawable && clone_tool->src_display)
{
GimpDisplay *tmp_display;
tmp_display = draw_tool->display;
draw_tool->display = clone_tool->src_display;
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_CROSS,
clone_tool->src_x,
clone_tool->src_y,
GIMP_TOOL_HANDLE_SIZE_CROSS,
GIMP_TOOL_HANDLE_SIZE_CROSS,
GIMP_HANDLE_ANCHOR_CENTER);
draw_tool->display = tmp_display;
}
GIMP_DRAW_TOOL_CLASS (parent_class)->draw (draw_tool);
}
static void
gimp_perspective_clone_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
GimpDrawTool *draw_tool = GIMP_DRAW_TOOL (tool);
gdouble closest_dist;
gdouble dist;
clone_tool->function = TRANSFORM_HANDLE_NONE;
if (display != tool->display)
return;
dist = gimp_draw_tool_calc_distance_square (draw_tool, display,
coords->x, coords->y,
clone_tool->tx1,
clone_tool->ty1);
closest_dist = dist;
clone_tool->function = TRANSFORM_HANDLE_NW;
dist = gimp_draw_tool_calc_distance_square (draw_tool, display,
coords->x, coords->y,
clone_tool->tx2,
clone_tool->ty2);
if (dist < closest_dist)
{
closest_dist = dist;
clone_tool->function = TRANSFORM_HANDLE_NE;
}
dist = gimp_draw_tool_calc_distance_square (draw_tool, display,
coords->x, coords->y,
clone_tool->tx3,
clone_tool->ty3);
if (dist < closest_dist)
{
closest_dist = dist;
clone_tool->function = TRANSFORM_HANDLE_SW;
}
dist = gimp_draw_tool_calc_distance_square (draw_tool, display,
coords->x, coords->y,
clone_tool->tx4,
clone_tool->ty4);
if (dist < closest_dist)
{
closest_dist = dist;
clone_tool->function = TRANSFORM_HANDLE_SE;
}
}
else
{
GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state,
proximity, display);
if (proximity)
{
GimpPaintCore *core = GIMP_PAINT_TOOL (tool)->core;
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (core);
GimpSourceCore *source_core = GIMP_SOURCE_CORE (core);
if (source_core->src_drawable == NULL)
{
gimp_tool_replace_status (tool, display,
_("Ctrl-Click to set a clone source"));
}
else
{
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
clone_tool->src_x = source_core->src_x;
clone_tool->src_y = source_core->src_y;
if (! source_core->first_stroke)
{
if (GIMP_SOURCE_OPTIONS (options)->align_mode ==
GIMP_SOURCE_ALIGN_YES)
{
gdouble nnx, nny;
/* Set the coordinates for the reference cross */
gimp_perspective_clone_get_source_point (clone,
coords->x,
coords->y,
&nnx, &nny);
clone_tool->src_x = nnx;
clone_tool->src_y = nny;
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
}
}
}
static void
gimp_perspective_clone_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (paint_tool->core);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
gdouble diff_x, diff_y;
/* if we are creating, there is nothing to be done so exit. */
if (clone_tool->function == TRANSFORM_CREATING)
return;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
clone_tool->curx = coords->x;
clone_tool->cury = coords->y;
/* recalculate the tool's transformation matrix */
diff_x = clone_tool->curx - clone_tool->lastx;
diff_y = clone_tool->cury - clone_tool->lasty;
switch (clone_tool->function)
{
case TRANSFORM_HANDLE_NW:
clone_tool->trans_info[X0] += diff_x;
clone_tool->trans_info[Y0] += diff_y;
break;
case TRANSFORM_HANDLE_NE:
clone_tool->trans_info[X1] += diff_x;
clone_tool->trans_info[Y1] += diff_y;
break;
case TRANSFORM_HANDLE_SW:
clone_tool->trans_info[X2] += diff_x;
clone_tool->trans_info[Y2] += diff_y;
break;
case TRANSFORM_HANDLE_SE:
clone_tool->trans_info[X3] += diff_x;
clone_tool->trans_info[Y3] += diff_y;
break;
default:
break;
}
gimp_perspective_clone_tool_recalc_matrix (clone_tool);
clone_tool->lastx = clone_tool->curx;
clone_tool->lasty = clone_tool->cury;
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
else if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_PAINT)
{
gdouble nnx, nny;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
GIMP_TOOL_CLASS (parent_class)->motion (tool, coords, time, state,
display);
/* Set the coordinates for the reference cross */
gimp_perspective_clone_get_source_point (clone,
coords->x, coords->y,
&nnx, &nny);
clone_tool->src_x = nnx;
clone_tool->src_y = nny;
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
}
static void
gimp_perspective_clone_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (paint_tool->core);
GimpSourceCore *source_core = GIMP_SOURCE_CORE (clone);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
switch (options->clone_mode)
{
case GIMP_PERSPECTIVE_CLONE_MODE_ADJUST:
if (clone_tool->function == TRANSFORM_CREATING)
gimp_perspective_clone_tool_oper_update (tool,
coords, state, TRUE, display);
clone_tool->lastx = coords->x;
clone_tool->lasty = coords->y;
gimp_tool_control_activate (tool->control);
break;
case GIMP_PERSPECTIVE_CLONE_MODE_PAINT:
{
GdkModifierType extend_mask = gimp_get_extend_selection_mask ();
GdkModifierType toggle_mask = gimp_get_toggle_behavior_mask ();
gdouble nnx, nny;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
if ((state & (toggle_mask | extend_mask)) == toggle_mask)
{
source_core->set_source = TRUE;
clone_tool->src_display = display;
}
else
{
source_core->set_source = FALSE;
}
GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state,
press_type, display);
/* Set the coordinates for the reference cross */
gimp_perspective_clone_get_source_point (clone,
coords->x, coords->y,
&nnx, &nny);
clone_tool->src_x = nnx;
clone_tool->src_y = nny;
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
break;
}
}
static void
gimp_perspective_clone_tool_draw (GimpDrawTool *draw_tool)
{
GimpTool *tool = GIMP_TOOL (draw_tool);
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (draw_tool);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (GIMP_PAINT_TOOL (tool)->core);
GimpSourceCore *source_core = GIMP_SOURCE_CORE (clone);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
if (clone_tool->widget)
{
GimpCanvasItem *item = gimp_tool_widget_get_item (clone_tool->widget);
gimp_draw_tool_add_item (draw_tool, item);
}
}
else
{
GimpCanvasGroup *stroke_group;
stroke_group = gimp_draw_tool_add_stroke_group (draw_tool);
/* draw the bounding box */
gimp_draw_tool_push_group (draw_tool, stroke_group);
gimp_draw_tool_add_line (draw_tool,
clone_tool->trans_info[X0],
clone_tool->trans_info[Y0],
clone_tool->trans_info[X1],
clone_tool->trans_info[Y1]);
gimp_draw_tool_add_line (draw_tool,
clone_tool->trans_info[X1],
clone_tool->trans_info[Y1],
clone_tool->trans_info[X3],
clone_tool->trans_info[Y3]);
gimp_draw_tool_add_line (draw_tool,
clone_tool->trans_info[X2],
clone_tool->trans_info[Y2],
clone_tool->trans_info[X3],
clone_tool->trans_info[Y3]);
gimp_draw_tool_add_line (draw_tool,
clone_tool->trans_info[X2],
clone_tool->trans_info[Y2],
clone_tool->trans_info[X0],
clone_tool->trans_info[Y0]);
gimp_draw_tool_pop_group (draw_tool);
}
if (source_core->src_drawable && clone_tool->src_display)
{
GimpDisplay *tmp_display;
tmp_display = draw_tool->display;
draw_tool->display = clone_tool->src_display;
gimp_draw_tool_add_handle (draw_tool,
GIMP_HANDLE_CROSS,
clone_tool->src_x + 0.5,
clone_tool->src_y + 0.5,
GIMP_TOOL_HANDLE_SIZE_CROSS,
GIMP_TOOL_HANDLE_SIZE_CROSS,
GIMP_HANDLE_ANCHOR_CENTER);
draw_tool->display = tmp_display;
}
GIMP_DRAW_TOOL_CLASS (parent_class)->draw (draw_tool);
}
static void
gimp_perspective_clone_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display)
{
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
if (clone_tool->widget)
{
if (display == tool->display)
{
gimp_tool_widget_hover (clone_tool->widget, coords, state,
proximity);
}
}
}
else
{
GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state,
proximity, display);
if (proximity)
{
GimpPaintCore *core = GIMP_PAINT_TOOL (tool)->core;
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (core);
GimpSourceCore *source_core = GIMP_SOURCE_CORE (core);
if (source_core->src_drawable == NULL)
{
gimp_tool_replace_status (tool, display,
_("Ctrl-Click to set a clone source"));
}
else
{
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
clone_tool->src_x = source_core->src_x;
clone_tool->src_y = source_core->src_y;
if (! source_core->first_stroke)
{
if (GIMP_SOURCE_OPTIONS (options)->align_mode ==
GIMP_SOURCE_ALIGN_YES)
{
gdouble nnx, nny;
/* Set the coordinates for the reference cross */
gimp_perspective_clone_get_source_point (clone,
coords->x,
coords->y,
&nnx, &nny);
clone_tool->src_x = floor (nnx);
clone_tool->src_y = floor (nny);
}
}
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
}
}
}
static void
gimp_perspective_clone_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpPaintTool *paint_tool = GIMP_PAINT_TOOL (tool);
GimpPerspectiveCloneTool *clone_tool = GIMP_PERSPECTIVE_CLONE_TOOL (tool);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (paint_tool->core);
GimpSourceCore *source_core = GIMP_SOURCE_CORE (clone);
GimpPerspectiveCloneOptions *options;
options = GIMP_PERSPECTIVE_CLONE_TOOL_GET_OPTIONS (tool);
if (options->clone_mode == GIMP_PERSPECTIVE_CLONE_MODE_ADJUST)
{
if (clone_tool->widget)
{
gimp_tool_widget_hover (clone_tool->widget, coords, state, TRUE);
if (gimp_tool_widget_button_press (clone_tool->widget, coords,
time, state, press_type))
{
clone_tool->grab_widget = clone_tool->widget;
}
}
gimp_tool_control_activate (tool->control);
}
else
{
GdkModifierType extend_mask = gimp_get_extend_selection_mask ();
GdkModifierType toggle_mask = gimp_get_toggle_behavior_mask ();
gdouble nnx, nny;
gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
if ((state & (toggle_mask | extend_mask)) == toggle_mask)
{
source_core->set_source = TRUE;
clone_tool->src_display = display;
}
else
{
source_core->set_source = FALSE;
}
GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state,
press_type, display);
/* Set the coordinates for the reference cross */
gimp_perspective_clone_get_source_point (clone,
coords->x, coords->y,
&nnx, &nny);
clone_tool->src_x = floor (nnx);
clone_tool->src_y = floor (nny);
gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
}
}
static gboolean
gimp_perspective_clone_get_source (GimpSourceCore *source_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
GimpPickable *src_pickable,
gint src_offset_x,
gint src_offset_y,
TempBuf *paint_area,
gint *paint_area_offset_x,
gint *paint_area_offset_y,
gint *paint_area_width,
gint *paint_area_height,
PixelRegion *srcPR)
{
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (source_core);
GimpPaintCore *paint_core = GIMP_PAINT_CORE (source_core);
GimpSourceOptions *options = GIMP_SOURCE_OPTIONS (paint_options);
GimpImage *src_image;
GimpImage *image;
GimpImageType src_type;
gint x1d, y1d, x2d, y2d;
gdouble x1s, y1s, x2s, y2s, x3s, y3s, x4s, y4s;
gint xmin, ymin, xmax, ymax;
TileManager *src_tiles;
TileManager *orig_tiles;
PixelRegion origPR;
PixelRegion destPR;
GimpMatrix3 matrix;
gint bytes;
src_image = gimp_pickable_get_image (src_pickable);
image = gimp_item_get_image (GIMP_ITEM (drawable));
src_type = gimp_pickable_get_image_type (src_pickable);
src_tiles = gimp_pickable_get_tiles (src_pickable);
/* Destination coordinates that will be painted */
x1d = paint_area->x;
y1d = paint_area->y;
x2d = paint_area->x + paint_area->width;
y2d = paint_area->y + paint_area->height;
/* Boundary box for source pixels to copy: Convert all the vertex of
* the box to paint in destination area to its correspondent in
* source area bearing in mind perspective
*/
gimp_perspective_clone_get_source_point (clone, x1d, y1d, &x1s, &y1s);
gimp_perspective_clone_get_source_point (clone, x1d, y2d, &x2s, &y2s);
gimp_perspective_clone_get_source_point (clone, x2d, y1d, &x3s, &y3s);
gimp_perspective_clone_get_source_point (clone, x2d, y2d, &x4s, &y4s);
xmin = floor (MIN4 (x1s, x2s, x3s, x4s));
ymin = floor (MIN4 (y1s, y2s, y3s, y4s));
xmax = ceil (MAX4 (x1s, x2s, x3s, x4s));
ymax = ceil (MAX4 (y1s, y2s, y3s, y4s));
xmin = CLAMP (xmin - 1, 0, tile_manager_width (src_tiles));
ymin = CLAMP (ymin - 1, 0, tile_manager_height (src_tiles));
xmax = CLAMP (xmax + 1, 0, tile_manager_width (src_tiles));
ymax = CLAMP (ymax + 1, 0, tile_manager_height (src_tiles));
/* if the source area is completely out of the image */
if (!(xmax - xmin) || !(ymax - ymin))
return FALSE;
/* If the source image is different from the destination,
* then we should copy straight from the source image
* to the canvas.
* Otherwise, we need a call to get_orig_image to make sure
* we get a copy of the unblemished (offset) image
*/
if (( options->sample_merged && (src_image != image)) ||
(! options->sample_merged && (source_core->src_drawable != drawable)))
{
pixel_region_init (&origPR, src_tiles,
xmin, ymin, xmax - xmin, ymax - ymin, FALSE);
}
else
{
TempBuf *orig;
/* get the original image */
if (options->sample_merged)
orig = gimp_paint_core_get_orig_proj (paint_core,
src_pickable,
xmin, ymin, xmax, ymax);
else
orig = gimp_paint_core_get_orig_image (paint_core,
GIMP_DRAWABLE (src_pickable),
xmin, ymin, xmax, ymax);
pixel_region_init_temp_buf (&origPR, orig,
0, 0, xmax - xmin, ymax - ymin);
}
/* copy the original image to a tile manager, adding alpha if needed */
bytes = GIMP_IMAGE_TYPE_BYTES (GIMP_IMAGE_TYPE_WITH_ALPHA (src_type));
orig_tiles = tile_manager_new (xmax - xmin, ymax - ymin, bytes);
tile_manager_set_offsets (orig_tiles, xmin, ymin);
pixel_region_init (&destPR, orig_tiles,
0, 0, xmax - xmin, ymax - ymin,
TRUE);
if (bytes > origPR.bytes)
add_alpha_region (&origPR, &destPR);
else
copy_region (&origPR, &destPR);
clone->src_area = temp_buf_resize (clone->src_area,
tile_manager_bpp (orig_tiles),
0, 0,
x2d - x1d, y2d - y1d);
pixel_region_init_temp_buf (&destPR, clone->src_area,
0, 0,
x2d - x1d, y2d - y1d);
gimp_perspective_clone_get_matrix (clone, &matrix);
gimp_transform_region (src_pickable,
GIMP_CONTEXT (paint_options),
orig_tiles,
&destPR,
x1d, y1d, x2d, y2d,
&matrix,
GIMP_INTERPOLATION_LINEAR, 0, NULL);
tile_manager_unref (orig_tiles);
pixel_region_init_temp_buf (srcPR, clone->src_area,
0, 0, x2d - x1d, y2d - y1d);
return TRUE;
}
static void
gimp_perspective_clone_paint (GimpPaintCore *paint_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
GimpPaintState paint_state,
guint32 time)
{
GimpSourceCore *source_core = GIMP_SOURCE_CORE (paint_core);
GimpPerspectiveClone *clone = GIMP_PERSPECTIVE_CLONE (paint_core);
GimpSourceOptions *options = GIMP_SOURCE_OPTIONS (paint_options);
switch (paint_state)
{
case GIMP_PAINT_STATE_INIT:
if (source_core->set_source)
{
g_object_set (source_core, "src-drawable", drawable, NULL);
source_core->src_x = paint_core->cur_coords.x;
source_core->src_y = paint_core->cur_coords.y;
/* get source coordinates in front view perspective */
gimp_matrix3_transform_point (&clone->transform_inv,
source_core->src_x,
source_core->src_y,
&clone->src_x_fv,
&clone->src_y_fv);
source_core->first_stroke = TRUE;
}
else if (options->align_mode == GIMP_SOURCE_ALIGN_NO)
{
source_core->orig_src_x = source_core->src_x;
source_core->orig_src_y = source_core->src_y;
source_core->first_stroke = TRUE;
}
break;
case GIMP_PAINT_STATE_MOTION:
if (source_core->set_source)
{
/* If the control key is down, move the src target and return */
source_core->src_x = paint_core->cur_coords.x;
source_core->src_y = paint_core->cur_coords.y;
/* get source coordinates in front view perspective */
gimp_matrix3_transform_point (&clone->transform_inv,
source_core->src_x,
source_core->src_y,
&clone->src_x_fv,
&clone->src_y_fv);
source_core->first_stroke = TRUE;
}
else
{
/* otherwise, update the target */
gint dest_x;
gint dest_y;
dest_x = paint_core->cur_coords.x;
dest_y = paint_core->cur_coords.y;
if (options->align_mode == GIMP_SOURCE_ALIGN_REGISTERED)
{
source_core->offset_x = 0;
source_core->offset_y = 0;
}
else if (options->align_mode == GIMP_SOURCE_ALIGN_FIXED)
{
source_core->offset_x = source_core->src_x - dest_x;
source_core->offset_y = source_core->src_y - dest_y;
}
else if (source_core->first_stroke)
{
source_core->offset_x = source_core->src_x - dest_x;
source_core->offset_y = source_core->src_y - dest_y;
/* get destination coordinates in front view perspective */
gimp_matrix3_transform_point (&clone->transform_inv,
dest_x,
dest_y,
&clone->dest_x_fv,
&clone->dest_y_fv);
source_core->first_stroke = FALSE;
}
gimp_source_core_motion (source_core, drawable, paint_options);
}
break;
case GIMP_PAINT_STATE_FINISH:
break;
default:
break;
}
g_object_notify (G_OBJECT (clone), "src-x");
g_object_notify (G_OBJECT (clone), "src-y");
}
