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app: in gimp:layer-mode, implement GeglOperation::get_bounding_box() 

... to take the layer's composite mode and opacity into account.
This commit is contained in:
Ell 2019-08-01 23:38:00 +03:00
parent 9900fb74f2
commit 89c97bcf26
1 changed files with 98 additions and 45 deletions
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143
app/operations/layer-modes/gimpoperationlayermode.c
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@ -68,48 +68,49 @@ typedef void (* CompositeFunc) (const gfloat *in,
gint samples);
static void gimp_operation_layer_mode_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_operation_layer_mode_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_operation_layer_mode_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_operation_layer_mode_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_operation_layer_mode_prepare (GeglOperation *operation);
static gboolean gimp_operation_layer_mode_parent_process (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_prop,
const GeglRectangle *result,
gint level);
static void gimp_operation_layer_mode_prepare (GeglOperation *operation);
static GeglRectangle gimp_operation_layer_mode_get_bounding_box (GeglOperation *operation);
static gboolean gimp_operation_layer_mode_parent_process (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_prop,
const GeglRectangle *result,
gint level);
static gboolean gimp_operation_layer_mode_process (GeglOperation *operation,
void *in,
void *layer,
void *mask,
void *out,
glong samples,
const GeglRectangle *roi,
gint level);
static gboolean gimp_operation_layer_mode_process (GeglOperation *operation,
void *in,
void *layer,
void *mask,
void *out,
glong samples,
const GeglRectangle *roi,
gint level);
static gboolean gimp_operation_layer_mode_real_process (GeglOperation *operation,
void *in,
void *layer,
void *mask,
void *out,
glong samples,
const GeglRectangle *roi,
gint level);
static gboolean gimp_operation_layer_mode_real_process (GeglOperation *operation,
void *in,
void *layer,
void *mask,
void *out,
glong samples,
const GeglRectangle *roi,
gint level);
static gboolean process_last_node (GeglOperation *operation,
void *in,
void *layer,
void *mask,
void *out,
glong samples,
const GeglRectangle *roi,
gint level);
static gboolean process_last_node (GeglOperation *operation,
void *in,
void *layer,
void *mask,
void *out,
glong samples,
const GeglRectangle *roi,
gint level);
G_DEFINE_TYPE (GimpOperationLayerMode, gimp_operation_layer_mode,
@ -138,16 +139,17 @@ gimp_operation_layer_mode_class_init (GimpOperationLayerModeClass *klass)
gegl_operation_class_set_keys (operation_class,
"name", "gimp:layer-mode", NULL);
object_class->set_property = gimp_operation_layer_mode_set_property;
object_class->get_property = gimp_operation_layer_mode_get_property;
object_class->set_property = gimp_operation_layer_mode_set_property;
object_class->get_property = gimp_operation_layer_mode_get_property;
operation_class->prepare = gimp_operation_layer_mode_prepare;
operation_class->process = gimp_operation_layer_mode_parent_process;
operation_class->prepare = gimp_operation_layer_mode_prepare;
operation_class->get_bounding_box = gimp_operation_layer_mode_get_bounding_box;
operation_class->process = gimp_operation_layer_mode_parent_process;
point_composer3_class->process = gimp_operation_layer_mode_process;
point_composer3_class->process = gimp_operation_layer_mode_process;
klass->process = gimp_operation_layer_mode_real_process;
klass->get_affected_region = NULL;
klass->process = gimp_operation_layer_mode_real_process;
klass->get_affected_region = NULL;
g_object_class_install_property (object_class, PROP_LAYER_MODE,
g_param_spec_enum ("layer-mode",
@ -378,6 +380,57 @@ gimp_operation_layer_mode_prepare (GeglOperation *operation)
gegl_operation_set_format (operation, "aux2", babl_format_with_space ("Y float", format));
}
static GeglRectangle
gimp_operation_layer_mode_get_bounding_box (GeglOperation *op)
{
GimpOperationLayerMode *self = (gpointer) op;
GeglRectangle *in_rect;
GeglRectangle *aux_rect;
GeglRectangle *aux2_rect;
GeglRectangle src_rect = {};
GeglRectangle dst_rect = {};
GeglRectangle result;
GimpLayerCompositeRegion included_region;
in_rect = gegl_operation_source_get_bounding_box (op, "input");
aux_rect = gegl_operation_source_get_bounding_box (op, "aux");
aux2_rect = gegl_operation_source_get_bounding_box (op, "aux2");
if (in_rect)
dst_rect = *in_rect;
if (aux_rect)
{
src_rect = *aux_rect;
if (aux2_rect)
gegl_rectangle_intersect (&src_rect, &src_rect, aux2_rect);
}
if (self->is_last_node)
{
included_region = GIMP_LAYER_COMPOSITE_REGION_SOURCE;
}
else
{
included_region = gimp_layer_mode_get_included_region (self->layer_mode,
self->composite_mode);
}
if (self->opacity == 0.0)
included_region &= ~GIMP_LAYER_COMPOSITE_REGION_SOURCE;
gegl_rectangle_intersect (&result, &src_rect, &dst_rect);
if (included_region & GIMP_LAYER_COMPOSITE_REGION_SOURCE)
gegl_rectangle_bounding_box (&result, &result, &src_rect);
if (included_region & GIMP_LAYER_COMPOSITE_REGION_DESTINATION)
gegl_rectangle_bounding_box (&result, &result, &dst_rect);
return result;
}
static gboolean
gimp_operation_layer_mode_parent_process (GeglOperation *operation,
GeglOperationContext *context,