static void
paint_mask_to_canvas_tiles (GimpPaintCore *core,
PixelRegion *paint_maskPR,
gdouble paint_opacity)
{
PixelRegion srcPR;
/* combine the paint mask and the canvas tiles */
pixel_region_init (&srcPR, core->canvas_tiles,
core->canvas_buf->x,
core->canvas_buf->y,
core->canvas_buf->width,
core->canvas_buf->height,
TRUE);
/* combine the mask to the canvas tiles */
combine_mask_and_region (&srcPR, paint_maskPR,
paint_opacity * 255.999, GIMP_IS_AIRBRUSH (core));
}
/* This works similarly to gimp_paint_core_paste. However, instead of
* combining the canvas to the paint core drawable using one of the
* combination modes, it uses a "replace" mode (i.e. transparent
* pixels in the canvas erase the paint core drawable).
* When not drawing on alpha-enabled images, it just paints using
* NORMAL mode.
*/
void
gimp_paint_core_replace (GimpPaintCore *core,
const GimpTempBuf *paint_mask,
gint paint_mask_offset_x,
gint paint_mask_offset_y,
GimpDrawable *drawable,
gdouble paint_opacity,
gdouble image_opacity,
GimpPaintApplicationMode mode)
{
GeglRectangle mask_rect;
GeglBuffer *paint_mask_buffer;
gint width, height;
if (! gimp_drawable_has_alpha (drawable))
{
gimp_paint_core_paste (core, paint_mask,
paint_mask_offset_x,
paint_mask_offset_y,
drawable,
paint_opacity,
image_opacity, GIMP_NORMAL_MODE,
mode);
return;
}
width = gegl_buffer_get_width (core->paint_buffer);
height = gegl_buffer_get_height (core->paint_buffer);
if (mode == GIMP_PAINT_CONSTANT &&
/* Some tools (ink) paint the mask to paint_core->canvas_buffer
* directly. Don't need to copy it in this case.
*/
paint_mask != NULL)
{
if (core->applicator)
{
paint_mask_buffer =
gimp_temp_buf_create_buffer ((GimpTempBuf *) paint_mask);
/* combine the paint mask and the canvas buffer */
gimp_gegl_combine_mask_weird (paint_mask_buffer,
GEGL_RECTANGLE (paint_mask_offset_x,
paint_mask_offset_y,
width, height),
core->canvas_buffer,
GEGL_RECTANGLE (core->paint_buffer_x,
core->paint_buffer_y,
width, height),
paint_opacity,
GIMP_IS_AIRBRUSH (core));
g_object_unref (paint_mask_buffer);
}
else
{
/* Mix paint mask and canvas_buffer */
combine_paint_mask_to_canvas_mask (paint_mask,
paint_mask_offset_x,
paint_mask_offset_y,
core->canvas_buffer,
core->paint_buffer_x,
core->paint_buffer_y,
paint_opacity,
GIMP_IS_AIRBRUSH (core));
}
/* initialize the maskPR from the canvas buffer */
paint_mask_buffer = g_object_ref (core->canvas_buffer);
mask_rect = *GEGL_RECTANGLE (core->paint_buffer_x,
core->paint_buffer_y,
width, height);
}
else
{
paint_mask_buffer =
gimp_temp_buf_create_buffer ((GimpTempBuf *) paint_mask);
mask_rect = *GEGL_RECTANGLE (paint_mask_offset_x,
paint_mask_offset_y,
width, height);
}
/* apply the paint area to the image */
gimp_drawable_replace_buffer (drawable, core->paint_buffer,
GEGL_RECTANGLE (0, 0, width, height),
FALSE, NULL,
image_opacity,
paint_mask_buffer, &mask_rect,
core->paint_buffer_x,
core->paint_buffer_y);
g_object_unref (paint_mask_buffer);
/* Update the undo extents */
core->x1 = MIN (core->x1, core->paint_buffer_x);
core->y1 = MIN (core->y1, core->paint_buffer_y);
core->x2 = MAX (core->x2, core->paint_buffer_x + width);
core->y2 = MAX (core->y2, core->paint_buffer_y + height);
/* Update the drawable */
gimp_drawable_update (drawable,
core->paint_buffer_x,
core->paint_buffer_y,
width, height);
}
void
gimp_paint_core_paste (GimpPaintCore *core,
const GimpTempBuf *paint_mask,
gint paint_mask_offset_x,
gint paint_mask_offset_y,
GimpDrawable *drawable,
gdouble paint_opacity,
gdouble image_opacity,
GimpLayerModeEffects paint_mode,
GimpPaintApplicationMode mode)
{
gint width = gegl_buffer_get_width (core->paint_buffer);
gint height = gegl_buffer_get_height (core->paint_buffer);
if (core->applicator)
{
/* If the mode is CONSTANT:
* combine the canvas buf, the paint mask to the canvas buffer
*/
if (mode == GIMP_PAINT_CONSTANT)
{
/* Some tools (ink) paint the mask to paint_core->canvas_buffer
* directly. Don't need to copy it in this case.
*/
if (paint_mask != NULL)
{
GeglBuffer *paint_mask_buffer =
gimp_temp_buf_create_buffer ((GimpTempBuf *) paint_mask);
gimp_gegl_combine_mask_weird (paint_mask_buffer,
GEGL_RECTANGLE (paint_mask_offset_x,
paint_mask_offset_y,
width, height),
core->canvas_buffer,
GEGL_RECTANGLE (core->paint_buffer_x,
core->paint_buffer_y,
width, height),
paint_opacity,
GIMP_IS_AIRBRUSH (core));
g_object_unref (paint_mask_buffer);
}
gimp_gegl_apply_mask (core->canvas_buffer,
GEGL_RECTANGLE (core->paint_buffer_x,
core->paint_buffer_y,
width, height),
core->paint_buffer,
GEGL_RECTANGLE (0, 0, width, height),
1.0);
gimp_applicator_set_src_buffer (core->applicator,
core->undo_buffer);
}
/* Otherwise:
* combine the canvas buf and the paint mask to the canvas buf
*/
else
{
GeglBuffer *paint_mask_buffer =
gimp_temp_buf_create_buffer ((GimpTempBuf *) paint_mask);
gimp_gegl_apply_mask (paint_mask_buffer,
GEGL_RECTANGLE (paint_mask_offset_x,
paint_mask_offset_y,
width, height),
core->paint_buffer,
GEGL_RECTANGLE (0, 0, width, height),
paint_opacity);
g_object_unref (paint_mask_buffer);
gimp_applicator_set_src_buffer (core->applicator,
gimp_drawable_get_buffer (drawable));
}
gimp_applicator_set_apply_buffer (core->applicator,
core->paint_buffer);
gimp_applicator_set_apply_offset (core->applicator,
core->paint_buffer_x,
core->paint_buffer_y);
gimp_applicator_set_mode (core->applicator,
image_opacity, paint_mode);
/* apply the paint area to the image */
gimp_applicator_blit (core->applicator,
GEGL_RECTANGLE (core->paint_buffer_x,
core->paint_buffer_y,
width, height));
}
else
{
GimpTempBuf *paint_buf = gimp_gegl_buffer_get_temp_buf (core->paint_buffer);
GeglBuffer *dest_buffer;
GeglBuffer *src_buffer;
if (! paint_buf)
return;
if (core->comp_buffer)
dest_buffer = core->comp_buffer;
else
dest_buffer = gimp_drawable_get_buffer (drawable);
if (mode == GIMP_PAINT_CONSTANT)
{
/* This step is skipped by the ink tool, which writes
* directly to canvas_buffer
*/
if (paint_mask != NULL)
{
/* Mix paint mask and canvas_buffer */
combine_paint_mask_to_canvas_mask (paint_mask,
paint_mask_offset_x,
paint_mask_offset_y,
core->canvas_buffer,
core->paint_buffer_x,
core->paint_buffer_y,
paint_opacity,
GIMP_IS_AIRBRUSH (core));
}
/* Write canvas_buffer to paint_buf */
canvas_buffer_to_paint_buf_alpha (paint_buf,
core->canvas_buffer,
core->paint_buffer_x,
core->paint_buffer_y);
/* undo buf -> paint_buf -> dest_buffer */
src_buffer = core->undo_buffer;
}
else
{
g_return_if_fail (paint_mask);
/* Write paint_mask to paint_buf, does not modify canvas_buffer */
paint_mask_to_paint_buffer (paint_mask,
paint_mask_offset_x,
paint_mask_offset_y,
paint_buf,
paint_opacity);
/* dest_buffer -> paint_buf -> dest_buffer */
src_buffer = dest_buffer;
}
do_layer_blend (src_buffer,
dest_buffer,
paint_buf,
core->mask_buffer,
image_opacity,
core->paint_buffer_x,
core->paint_buffer_y,
core->mask_x_offset,
core->mask_y_offset,
core->linear_mode,
paint_mode);
if (core->comp_buffer)
{
mask_components_onto (src_buffer,
core->comp_buffer,
gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE(core->paint_buffer_x,
core->paint_buffer_y,
width,
height),
gimp_drawable_get_active_mask (drawable),
core->linear_mode);
}
}
/* Update the undo extents */
core->x1 = MIN (core->x1, core->paint_buffer_x);
core->y1 = MIN (core->y1, core->paint_buffer_y);
core->x2 = MAX (core->x2, core->paint_buffer_x + width);
core->y2 = MAX (core->y2, core->paint_buffer_y + height);
/* Update the drawable */
gimp_drawable_update (drawable,
core->paint_buffer_x,
core->paint_buffer_y,
width, height);
}
void
gimp_paint_core_paste (GimpPaintCore *core,
GeglBuffer *paint_mask,
const GeglRectangle *paint_mask_rect,
GimpDrawable *drawable,
gdouble paint_opacity,
gdouble image_opacity,
GimpLayerModeEffects paint_mode,
GimpPaintApplicationMode mode)
{
GeglBuffer *base_buffer = NULL;
gint width = gegl_buffer_get_width (core->paint_buffer);
gint height = gegl_buffer_get_height (core->paint_buffer);
/* If the mode is CONSTANT:
* combine the canvas buf, the paint mask to the canvas buffer
*/
if (mode == GIMP_PAINT_CONSTANT)
{
/* Some tools (ink) paint the mask to paint_core->canvas_buffer
* directly. Don't need to copy it in this case.
*/
if (paint_mask != core->canvas_buffer)
{
gimp_gegl_combine_mask_weird (paint_mask, paint_mask_rect,
core->canvas_buffer,
GEGL_RECTANGLE (core->paint_buffer_x,
core->paint_buffer_y,
width, height),
paint_opacity,
GIMP_IS_AIRBRUSH (core));
}
gimp_gegl_apply_mask (core->canvas_buffer,
GEGL_RECTANGLE (core->paint_buffer_x,
core->paint_buffer_y,
width, height),
core->paint_buffer,
GEGL_RECTANGLE (0, 0, width, height),
1.0);
base_buffer = core->undo_buffer;
}
/* Otherwise:
* combine the canvas buf and the paint mask to the canvas buf
*/
else
{
gimp_gegl_apply_mask (paint_mask, paint_mask_rect,
core->paint_buffer,
GEGL_RECTANGLE (0, 0, width, height),
paint_opacity);
base_buffer = gimp_drawable_get_buffer (drawable);
}
/* apply the paint area to the image */
gimp_applicator_apply (core->applicator,
base_buffer,
core->paint_buffer,
core->paint_buffer_x,
core->paint_buffer_y,
image_opacity, paint_mode);
/* Update the undo extents */
core->x1 = MIN (core->x1, core->paint_buffer_x);
core->y1 = MIN (core->y1, core->paint_buffer_y);
core->x2 = MAX (core->x2, core->paint_buffer_x + width);
core->y2 = MAX (core->y2, core->paint_buffer_y + height);
/* Update the drawable */
gimp_drawable_update (drawable,
core->paint_buffer_x,
core->paint_buffer_y,
width, height);
}
