static void
gimp_eraser_motion (GimpPaintCore *paint_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options)
{
GimpEraserOptions *options = GIMP_ERASER_OPTIONS (paint_options);
GimpContext *context = GIMP_CONTEXT (paint_options);
GimpImage *image;
gdouble opacity;
TempBuf *area;
guchar col[MAX_CHANNELS];
gdouble hardness;
image = gimp_item_get_image (GIMP_ITEM (drawable));
opacity = gimp_paint_options_get_fade (paint_options, image,
paint_core->pixel_dist);
if (opacity == 0.0)
return;
area = gimp_paint_core_get_paint_area (paint_core, drawable, paint_options);
if (! area)
return;
gimp_image_get_background (image, context, gimp_drawable_type (drawable),
col);
/* set the alpha channel */
col[area->bytes - 1] = OPAQUE_OPACITY;
/* color the pixels */
color_pixels (temp_buf_data (area), col,
area->width * area->height, area->bytes);
opacity *= gimp_paint_options_get_dynamic_opacity (paint_options,
&paint_core->cur_coords);
hardness = gimp_paint_options_get_dynamic_hardness (paint_options,
&paint_core->cur_coords);
gimp_brush_core_paste_canvas (GIMP_BRUSH_CORE (paint_core), drawable,
MIN (opacity, GIMP_OPACITY_OPAQUE),
gimp_context_get_opacity (context),
(options->anti_erase ?
GIMP_ANTI_ERASE_MODE : GIMP_ERASE_MODE),
gimp_paint_options_get_brush_mode (paint_options),
hardness,
paint_options->application_mode);
}
static void
gimp_clone_motion (GimpSourceCore *source_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
const GimpCoords *coords,
gdouble opacity,
GimpPickable *src_pickable,
PixelRegion *srcPR,
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)
{
GimpPaintCore *paint_core = GIMP_PAINT_CORE (source_core);
GimpCloneOptions *options = GIMP_CLONE_OPTIONS (paint_options);
GimpSourceOptions *source_options = GIMP_SOURCE_OPTIONS (paint_options);
GimpContext *context = GIMP_CONTEXT (paint_options);
GimpImage *image = gimp_item_get_image (GIMP_ITEM (drawable));
GimpImage *src_image = NULL;
GimpDynamicsOutput *force_output;
GimpImageType src_type = 0;
GimpImageType dest_type;
gpointer pr = NULL;
gint y;
PixelRegion destPR;
GimpPattern *pattern = NULL;
gdouble fade_point;
gdouble force;
switch (options->clone_type)
{
case GIMP_IMAGE_CLONE:
src_image = gimp_pickable_get_image (src_pickable);
src_type = gimp_pickable_get_image_type (src_pickable);
if (gimp_pickable_get_bytes (src_pickable) < srcPR->bytes)
src_type = GIMP_IMAGE_TYPE_WITH_ALPHA (src_type);
pixel_region_init_temp_buf (&destPR, paint_area,
paint_area_offset_x, paint_area_offset_y,
paint_area_width, paint_area_height);
pr = pixel_regions_register (2, srcPR, &destPR);
break;
case GIMP_PATTERN_CLONE:
pattern = gimp_context_get_pattern (context);
pixel_region_init_temp_buf (&destPR, paint_area,
0, 0,
paint_area->width, paint_area->height);
pr = pixel_regions_register (1, &destPR);
break;
}
dest_type = gimp_drawable_type (drawable);
for (; pr != NULL; pr = pixel_regions_process (pr))
{
guchar *s = srcPR->data;
guchar *d = destPR.data;
for (y = 0; y < destPR.h; y++)
{
switch (options->clone_type)
{
case GIMP_IMAGE_CLONE:
gimp_clone_line_image (image, dest_type,
src_image, src_type,
s, d,
srcPR->bytes, destPR.bytes, destPR.w);
s += srcPR->rowstride;
break;
case GIMP_PATTERN_CLONE:
gimp_clone_line_pattern (image, dest_type,
pattern, d,
paint_area->x + src_offset_x,
paint_area->y + y + src_offset_y,
destPR.bytes, destPR.w);
break;
}
d += destPR.rowstride;
}
}
force_output = gimp_dynamics_get_output (GIMP_BRUSH_CORE (paint_core)->dynamics,
GIMP_DYNAMICS_OUTPUT_FORCE);
fade_point = gimp_paint_options_get_fade (paint_options, image,
paint_core->pixel_dist);
force = gimp_dynamics_output_get_linear_value (force_output,
coords,
paint_options,
fade_point);
gimp_brush_core_paste_canvas (GIMP_BRUSH_CORE (paint_core), drawable,
coords,
MIN (opacity, GIMP_OPACITY_OPAQUE),
gimp_context_get_opacity (context),
gimp_context_get_paint_mode (context),
gimp_paint_options_get_brush_mode (paint_options),
force,
/* In fixed mode, paint incremental so the
* individual brushes are properly applied
* on top of each other.
* Otherwise the stuff we paint is seamless
* and we don't need intermediate masking.
*/
source_options->align_mode ==
GIMP_SOURCE_ALIGN_FIXED ?
GIMP_PAINT_INCREMENTAL : GIMP_PAINT_CONSTANT);
}
static void
gimp_eraser_motion (GimpPaintCore *paint_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
const GimpCoords *coords)
{
GimpEraserOptions *options = GIMP_ERASER_OPTIONS (paint_options);
GimpContext *context = GIMP_CONTEXT (paint_options);
GimpDynamics *dynamics = GIMP_BRUSH_CORE (paint_core)->dynamics;
GimpDynamicsOutput *opacity_output;
GimpDynamicsOutput *force_output;
GimpImage *image;
gdouble fade_point;
gdouble opacity;
TempBuf *area;
guchar col[MAX_CHANNELS];
gdouble force;
image = gimp_item_get_image (GIMP_ITEM (drawable));
opacity_output = gimp_dynamics_get_output (dynamics,
GIMP_DYNAMICS_OUTPUT_OPACITY);
fade_point = gimp_paint_options_get_fade (paint_options,
gimp_item_get_image (GIMP_ITEM (drawable)),
paint_core->pixel_dist);
opacity = gimp_dynamics_output_get_linear_value (opacity_output,
coords,
paint_options,
fade_point);
if (opacity == 0.0)
return;
area = gimp_paint_core_get_paint_area (paint_core, drawable, paint_options,
coords);
if (! area)
return;
gimp_image_get_background (image, context, gimp_drawable_type (drawable),
col);
/* set the alpha channel */
col[area->bytes - 1] = OPAQUE_OPACITY;
/* color the pixels */
color_pixels (temp_buf_get_data (area), col,
area->width * area->height, area->bytes);
force_output = gimp_dynamics_get_output (dynamics,
GIMP_DYNAMICS_OUTPUT_FORCE);
force = gimp_dynamics_output_get_linear_value (force_output,
coords,
paint_options,
fade_point);
gimp_brush_core_paste_canvas (GIMP_BRUSH_CORE (paint_core), drawable,
coords,
MIN (opacity, GIMP_OPACITY_OPAQUE),
gimp_context_get_opacity (context),
(options->anti_erase ?
GIMP_ANTI_ERASE_MODE : GIMP_ERASE_MODE),
gimp_paint_options_get_brush_mode (paint_options),
force,
paint_options->application_mode);
}
void
_gimp_paintbrush_motion (GimpPaintCore *paint_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
gdouble opacity)
{
GimpBrushCore *brush_core = GIMP_BRUSH_CORE (paint_core);
GimpContext *context = GIMP_CONTEXT (paint_options);
GimpPressureOptions *pressure_options = paint_options->pressure_options;
GimpImage *image;
GimpRGB gradient_color;
TempBuf *area;
guchar col[MAX_CHANNELS];
GimpPaintApplicationMode paint_appl_mode;
image = gimp_item_get_image (GIMP_ITEM (drawable));
opacity *= gimp_paint_options_get_fade (paint_options, image,
paint_core->pixel_dist);
if (opacity == 0.0)
return;
paint_appl_mode = paint_options->application_mode;
area = gimp_paint_core_get_paint_area (paint_core, drawable, paint_options);
if (! area)
return;
/* optionally take the color from the current gradient */
if (gimp_paint_options_get_gradient_color (paint_options, image,
paint_core->cur_coords.pressure,
paint_core->pixel_dist,
&gradient_color))
{
opacity *= gradient_color.a;
gimp_rgb_get_uchar (&gradient_color,
&col[RED_PIX],
&col[GREEN_PIX],
&col[BLUE_PIX]);
col[ALPHA_PIX] = OPAQUE_OPACITY;
color_pixels (temp_buf_data (area), col,
area->width * area->height,
area->bytes);
paint_appl_mode = GIMP_PAINT_INCREMENTAL;
}
/* otherwise check if the brush has a pixmap and use that to color the area */
else if (brush_core->brush && brush_core->brush->pixmap)
{
gimp_brush_core_color_area_with_pixmap (brush_core, drawable,
area,
gimp_paint_options_get_brush_mode (paint_options));
paint_appl_mode = GIMP_PAINT_INCREMENTAL;
}
/* otherwise fill the area with the foreground color */
else
{
gimp_image_get_foreground (image, context, gimp_drawable_type (drawable),
col);
col[area->bytes - 1] = OPAQUE_OPACITY;
color_pixels (temp_buf_data (area), col,
area->width * area->height,
area->bytes);
}
if (paint_core->use_pressure && pressure_options->opacity)
opacity *= PRESSURE_SCALE * paint_core->cur_coords.pressure;
/* finally, let the brush core paste the colored area on the canvas */
gimp_brush_core_paste_canvas (brush_core, drawable,
MIN (opacity, GIMP_OPACITY_OPAQUE),
gimp_context_get_opacity (context),
gimp_context_get_paint_mode (context),
gimp_paint_options_get_brush_mode (paint_options),
paint_appl_mode);
}
void
_gimp_paintbrush_motion (GimpPaintCore *paint_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
const GimpCoords *coords,
gdouble opacity)
{
GimpBrushCore *brush_core = GIMP_BRUSH_CORE (paint_core);
GimpContext *context = GIMP_CONTEXT (paint_options);
GimpDynamics *dynamics = brush_core->dynamics;
GimpImage *image;
GimpRGB gradient_color;
GeglBuffer *paint_buffer;
gint paint_buffer_x;
gint paint_buffer_y;
GimpPaintApplicationMode paint_appl_mode;
gdouble fade_point;
gdouble grad_point;
gdouble force;
gdouble dyn_force;
GimpDynamicsOutput *dyn_output = NULL;
image = gimp_item_get_image (GIMP_ITEM (drawable));
fade_point = gimp_paint_options_get_fade (paint_options, image,
paint_core->pixel_dist);
opacity *= gimp_dynamics_get_linear_value (dynamics,
GIMP_DYNAMICS_OUTPUT_OPACITY,
coords,
paint_options,
fade_point);
if (opacity == 0.0)
return;
paint_buffer = gimp_paint_core_get_paint_buffer (paint_core, drawable,
paint_options, coords,
&paint_buffer_x,
&paint_buffer_y);
if (! paint_buffer)
return;
paint_appl_mode = paint_options->application_mode;
grad_point = gimp_dynamics_get_linear_value (dynamics,
GIMP_DYNAMICS_OUTPUT_COLOR,
coords,
paint_options,
fade_point);
if (gimp_paint_options_get_gradient_color (paint_options, image,
grad_point,
paint_core->pixel_dist,
&gradient_color))
{
/* optionally take the color from the current gradient */
GeglColor *color;
opacity *= gradient_color.a;
gimp_rgb_set_alpha (&gradient_color, GIMP_OPACITY_OPAQUE);
color = gimp_gegl_color_new (&gradient_color);
gegl_buffer_set_color (paint_buffer, NULL, color);
g_object_unref (color);
paint_appl_mode = GIMP_PAINT_INCREMENTAL;
}
else if (brush_core->brush && gimp_brush_get_pixmap (brush_core->brush))
{
/* otherwise check if the brush has a pixmap and use that to
* color the area
*/
gimp_brush_core_color_area_with_pixmap (brush_core, drawable,
coords,
paint_buffer,
paint_buffer_x,
paint_buffer_y,
gimp_paint_options_get_brush_mode (paint_options));
paint_appl_mode = GIMP_PAINT_INCREMENTAL;
}
else
{
/* otherwise fill the area with the foreground color */
GimpRGB foreground;
GeglColor *color;
gimp_context_get_foreground (context, &foreground);
color = gimp_gegl_color_new (&foreground);
gegl_buffer_set_color (paint_buffer, NULL, color);
g_object_unref (color);
}
dyn_output = gimp_dynamics_get_output (dynamics,
GIMP_DYNAMICS_OUTPUT_FORCE);
dyn_force = gimp_dynamics_get_linear_value (dynamics,
GIMP_DYNAMICS_OUTPUT_FORCE,
coords,
paint_options,
fade_point);
if (gimp_dynamics_output_is_enabled (dyn_output))
force = dyn_force;
else
force = paint_options->brush_force;
/* finally, let the brush core paste the colored area on the canvas */
gimp_brush_core_paste_canvas (brush_core, drawable,
coords,
MIN (opacity, GIMP_OPACITY_OPAQUE),
gimp_context_get_opacity (context),
gimp_context_get_paint_mode (context),
gimp_paint_options_get_brush_mode (paint_options),
force,
paint_appl_mode);
}
static void
gimp_clone_motion (GimpSourceCore *source_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
const GimpCoords *coords,
gdouble opacity,
GimpPickable *src_pickable,
GeglBuffer *src_buffer,
GeglRectangle *src_rect,
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)
{
GimpPaintCore *paint_core = GIMP_PAINT_CORE (source_core);
GimpCloneOptions *options = GIMP_CLONE_OPTIONS (paint_options);
GimpSourceOptions *source_options = GIMP_SOURCE_OPTIONS (paint_options);
GimpContext *context = GIMP_CONTEXT (paint_options);
GimpImage *image = gimp_item_get_image (GIMP_ITEM (drawable));
gdouble fade_point;
gdouble force;
if (gimp_source_core_use_source (source_core, source_options))
{
gegl_buffer_copy (src_buffer,
GEGL_RECTANGLE (src_rect->x,
src_rect->y,
paint_area_width,
paint_area_height),
paint_buffer,
GEGL_RECTANGLE (paint_area_offset_x,
paint_area_offset_y,
0, 0));
}
else if (options->clone_type == GIMP_PATTERN_CLONE)
{
GimpPattern *pattern = gimp_context_get_pattern (context);
GeglBuffer *src_buffer = gimp_pattern_create_buffer (pattern);
gegl_buffer_set_pattern (paint_buffer,
GEGL_RECTANGLE (paint_area_offset_x,
paint_area_offset_y,
paint_area_width,
paint_area_height),
src_buffer,
- paint_buffer_x - src_offset_x,
- paint_buffer_y - src_offset_y);
g_object_unref (src_buffer);
}
else
{
g_return_if_reached ();
}
fade_point = gimp_paint_options_get_fade (paint_options, image,
paint_core->pixel_dist);
force = gimp_dynamics_get_linear_value (GIMP_BRUSH_CORE (paint_core)->dynamics,
GIMP_DYNAMICS_OUTPUT_FORCE,
coords,
paint_options,
fade_point);
gimp_brush_core_paste_canvas (GIMP_BRUSH_CORE (paint_core), drawable,
coords,
MIN (opacity, GIMP_OPACITY_OPAQUE),
gimp_context_get_opacity (context),
gimp_context_get_paint_mode (context),
gimp_paint_options_get_brush_mode (paint_options),
force,
/* In fixed mode, paint incremental so the
* individual brushes are properly applied
* on top of each other.
* Otherwise the stuff we paint is seamless
* and we don't need intermediate masking.
*/
source_options->align_mode ==
GIMP_SOURCE_ALIGN_FIXED ?
GIMP_PAINT_INCREMENTAL : GIMP_PAINT_CONSTANT);
}
