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Diffstat (limited to 'app/gegl/gimpapplicator.c')
| -rw-r--r-- | app/gegl/gimpapplicator.c | 652 |
1 files changed, 652 insertions, 0 deletions
diff --git a/app/gegl/gimpapplicator.c b/app/gegl/gimpapplicator.c new file mode 100644 index 0000000..ac8c2db --- /dev/null +++ b/app/gegl/gimpapplicator.c @@ -0,0 +1,652 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpapplicator.c + * Copyright (C) 2012-2013 Michael Natterer <mitch@gimp.org> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gegl.h> + +#include "gimp-gegl-types.h" + +#include "gimp-gegl-nodes.h" +#include "gimpapplicator.h" + + +static void gimp_applicator_finalize (GObject *object); +static void gimp_applicator_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_applicator_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + + +G_DEFINE_TYPE (GimpApplicator, gimp_applicator, G_TYPE_OBJECT) + +#define parent_class gimp_applicator_parent_class + + +static void +gimp_applicator_class_init (GimpApplicatorClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gimp_applicator_finalize; + object_class->set_property = gimp_applicator_set_property; + object_class->get_property = gimp_applicator_get_property; +} + +static void +gimp_applicator_init (GimpApplicator *applicator) +{ + applicator->active = TRUE; + applicator->opacity = 1.0; + applicator->paint_mode = GIMP_LAYER_MODE_NORMAL; + applicator->blend_space = GIMP_LAYER_COLOR_SPACE_AUTO; + applicator->composite_space = GIMP_LAYER_COLOR_SPACE_AUTO; + applicator->composite_mode = GIMP_LAYER_COMPOSITE_AUTO; + applicator->affect = GIMP_COMPONENT_MASK_ALL; +} + +static void +gimp_applicator_finalize (GObject *object) +{ + GimpApplicator *applicator = GIMP_APPLICATOR (object); + + g_clear_object (&applicator->node); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_applicator_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + switch (property_id) + { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_applicator_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + switch (property_id) + { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +GimpApplicator * +gimp_applicator_new (GeglNode *parent) +{ + GimpApplicator *applicator; + + g_return_val_if_fail (parent == NULL || GEGL_IS_NODE (parent), NULL); + + applicator = g_object_new (GIMP_TYPE_APPLICATOR, NULL); + + if (parent) + applicator->node = g_object_ref (parent); + else + applicator->node = gegl_node_new (); + + applicator->input_node = + gegl_node_get_input_proxy (applicator->node, "input"); + + applicator->aux_node = + gegl_node_get_input_proxy (applicator->node, "aux"); + + applicator->output_node = + gegl_node_get_output_proxy (applicator->node, "output"); + + applicator->mode_node = gegl_node_new_child (applicator->node, + "operation", "gimp:normal", + NULL); + + gimp_gegl_mode_node_set_mode (applicator->mode_node, + applicator->paint_mode, + applicator->blend_space, + applicator->composite_space, + applicator->composite_mode); + gimp_gegl_mode_node_set_opacity (applicator->mode_node, + applicator->opacity); + + gegl_node_connect_to (applicator->input_node, "output", + applicator->mode_node, "input"); + + applicator->apply_offset_node = + gegl_node_new_child (applicator->node, + "operation", "gegl:translate", + NULL); + + gegl_node_link_many (applicator->aux_node, + applicator->apply_offset_node, + NULL); + + gegl_node_connect_to (applicator->apply_offset_node, "output", + applicator->mode_node, "aux"); + + applicator->mask_node = + gegl_node_new_child (applicator->node, + "operation", "gegl:buffer-source", + NULL); + + applicator->mask_offset_node = + gegl_node_new_child (applicator->node, + "operation", "gegl:translate", + NULL); + + gegl_node_connect_to (applicator->mask_node, "output", + applicator->mask_offset_node, "input"); + /* don't connect the the mask offset node to mode's aux2 yet */ + + applicator->affect_node = + gegl_node_new_child (applicator->node, + "operation", "gimp:mask-components", + "mask", applicator->affect, + NULL); + + applicator->convert_format_node = + gegl_node_new_child (applicator->node, + "operation", "gegl:nop", + NULL); + + applicator->cache_node = + gegl_node_new_child (applicator->node, + "operation", "gegl:nop", + NULL); + + applicator->crop_node = + gegl_node_new_child (applicator->node, + "operation", "gegl:nop", + NULL); + + gegl_node_link_many (applicator->input_node, + applicator->affect_node, + applicator->convert_format_node, + applicator->cache_node, + applicator->crop_node, + applicator->output_node, + NULL); + + gegl_node_connect_to (applicator->mode_node, "output", + applicator->affect_node, "aux"); + + return applicator; +} + +void +gimp_applicator_set_active (GimpApplicator *applicator, + gboolean active) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + + if (active != applicator->active) + { + applicator->active = active; + + if (active) + gegl_node_link (applicator->crop_node, applicator->output_node); + else + gegl_node_link (applicator->input_node, applicator->output_node); + } +} + +void +gimp_applicator_set_src_buffer (GimpApplicator *applicator, + GeglBuffer *src_buffer) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + g_return_if_fail (src_buffer == NULL || GEGL_IS_BUFFER (src_buffer)); + + if (src_buffer == applicator->src_buffer) + return; + + if (src_buffer) + { + if (! applicator->src_node) + { + applicator->src_node = + gegl_node_new_child (applicator->node, + "operation", "gegl:buffer-source", + "buffer", src_buffer, + NULL); + } + else + { + gegl_node_set (applicator->src_node, + "buffer", src_buffer, + NULL); + } + + if (! applicator->src_buffer) + gegl_node_link (applicator->src_node, applicator->input_node); + } + else if (applicator->src_buffer) + { + gegl_node_disconnect (applicator->input_node, "input"); + + gegl_node_set (applicator->src_node, + "buffer", NULL, + NULL); + } + + applicator->src_buffer = src_buffer; +} + +void +gimp_applicator_set_dest_buffer (GimpApplicator *applicator, + GeglBuffer *dest_buffer) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + g_return_if_fail (dest_buffer == NULL || GEGL_IS_BUFFER (dest_buffer)); + + if (dest_buffer == applicator->dest_buffer) + return; + + if (dest_buffer) + { + if (! applicator->dest_node) + { + applicator->dest_node = + gegl_node_new_child (applicator->node, + "operation", "gegl:write-buffer", + "buffer", dest_buffer, + NULL); + } + else + { + gegl_node_set (applicator->dest_node, + "buffer", dest_buffer, + NULL); + } + + if (! applicator->dest_buffer) + gegl_node_link (applicator->affect_node, applicator->dest_node); + } + else if (applicator->dest_buffer) + { + gegl_node_disconnect (applicator->dest_node, "input"); + + gegl_node_set (applicator->dest_node, + "buffer", NULL, + NULL); + } + + applicator->dest_buffer = dest_buffer; +} + +void +gimp_applicator_set_mask_buffer (GimpApplicator *applicator, + GeglBuffer *mask_buffer) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + g_return_if_fail (mask_buffer == NULL || GEGL_IS_BUFFER (mask_buffer)); + + if (applicator->mask_buffer == mask_buffer) + return; + + gegl_node_set (applicator->mask_node, + "buffer", mask_buffer, + NULL); + + if (mask_buffer) + { + gegl_node_connect_to (applicator->mask_offset_node, "output", + applicator->mode_node, "aux2"); + } + else + { + gegl_node_disconnect (applicator->mode_node, "aux2"); + } + + applicator->mask_buffer = mask_buffer; +} + +void +gimp_applicator_set_mask_offset (GimpApplicator *applicator, + gint mask_offset_x, + gint mask_offset_y) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + + if (applicator->mask_offset_x != mask_offset_x || + applicator->mask_offset_y != mask_offset_y) + { + applicator->mask_offset_x = mask_offset_x; + applicator->mask_offset_y = mask_offset_y; + + gegl_node_set (applicator->mask_offset_node, + "x", (gdouble) mask_offset_x, + "y", (gdouble) mask_offset_y, + NULL); + } +} + +void +gimp_applicator_set_apply_buffer (GimpApplicator *applicator, + GeglBuffer *apply_buffer) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + g_return_if_fail (apply_buffer == NULL || GEGL_IS_BUFFER (apply_buffer)); + + if (apply_buffer == applicator->apply_buffer) + return; + + if (apply_buffer) + { + if (! applicator->apply_src_node) + { + applicator->apply_src_node = + gegl_node_new_child (applicator->node, + "operation", "gegl:buffer-source", + "buffer", apply_buffer, + NULL); + } + else + { + gegl_node_set (applicator->apply_src_node, + "buffer", apply_buffer, + NULL); + } + + if (! applicator->apply_buffer) + { + gegl_node_connect_to (applicator->apply_src_node, "output", + applicator->apply_offset_node, "input"); + } + } + else if (applicator->apply_buffer) + { + gegl_node_connect_to (applicator->aux_node, "output", + applicator->apply_offset_node, "input"); + } + + applicator->apply_buffer = apply_buffer; +} + +void +gimp_applicator_set_apply_offset (GimpApplicator *applicator, + gint apply_offset_x, + gint apply_offset_y) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + + if (applicator->apply_offset_x != apply_offset_x || + applicator->apply_offset_y != apply_offset_y) + { + applicator->apply_offset_x = apply_offset_x; + applicator->apply_offset_y = apply_offset_y; + + gegl_node_set (applicator->apply_offset_node, + "x", (gdouble) apply_offset_x, + "y", (gdouble) apply_offset_y, + NULL); + } +} + +void +gimp_applicator_set_opacity (GimpApplicator *applicator, + gdouble opacity) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + + if (applicator->opacity != opacity) + { + applicator->opacity = opacity; + + gimp_gegl_mode_node_set_opacity (applicator->mode_node, + opacity); + } +} + +void +gimp_applicator_set_mode (GimpApplicator *applicator, + GimpLayerMode paint_mode, + GimpLayerColorSpace blend_space, + GimpLayerColorSpace composite_space, + GimpLayerCompositeMode composite_mode) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + + if (applicator->paint_mode != paint_mode || + applicator->blend_space != blend_space || + applicator->composite_space != composite_space || + applicator->composite_mode != composite_mode) + { + applicator->paint_mode = paint_mode; + applicator->blend_space = blend_space; + applicator->composite_space = composite_space; + applicator->composite_mode = composite_mode; + + gimp_gegl_mode_node_set_mode (applicator->mode_node, + paint_mode, blend_space, + composite_space, composite_mode); + } +} + +void +gimp_applicator_set_affect (GimpApplicator *applicator, + GimpComponentMask affect) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + + if (applicator->affect != affect) + { + applicator->affect = affect; + + gegl_node_set (applicator->affect_node, + "mask", affect, + NULL); + } +} + +void +gimp_applicator_set_output_format (GimpApplicator *applicator, + const Babl *format) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + + if (applicator->output_format != format) + { + if (format) + { + if (! applicator->output_format) + { + gegl_node_set (applicator->convert_format_node, + "operation", "gegl:convert-format", + "format", format, + NULL); + } + else + { + gegl_node_set (applicator->convert_format_node, + "format", format, + NULL); + } + } + else + { + gegl_node_set (applicator->convert_format_node, + "operation", "gegl:nop", + NULL); + } + + applicator->output_format = format; + } +} + +const Babl * +gimp_applicator_get_output_format (GimpApplicator *applicator) +{ + g_return_val_if_fail (GIMP_IS_APPLICATOR (applicator), NULL); + + return applicator->output_format; +} + +void +gimp_applicator_set_cache (GimpApplicator *applicator, + gboolean enable) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + + if (applicator->cache_enabled != enable) + { + if (enable) + { + gegl_node_set (applicator->cache_node, + "operation", "gegl:cache", + NULL); + } + else + { + gegl_node_set (applicator->cache_node, + "operation", "gegl:nop", + NULL); + } + + applicator->cache_enabled = enable; + } +} + +gboolean +gimp_applicator_get_cache (GimpApplicator *applicator) +{ + g_return_val_if_fail (GIMP_IS_APPLICATOR (applicator), FALSE); + + return applicator->cache_enabled; +} + +gboolean gegl_buffer_list_valid_rectangles (GeglBuffer *buffer, + GeglRectangle **rectangles, + gint *n_rectangles); + +GeglBuffer * +gimp_applicator_get_cache_buffer (GimpApplicator *applicator, + GeglRectangle **rectangles, + gint *n_rectangles) +{ + g_return_val_if_fail (GIMP_IS_APPLICATOR (applicator), NULL); + g_return_val_if_fail (rectangles != NULL, NULL); + g_return_val_if_fail (n_rectangles != NULL, NULL); + + if (applicator->cache_enabled) + { + GeglBuffer *cache; + + gegl_node_get (applicator->cache_node, + "cache", &cache, + NULL); + + if (cache) + { + if (gegl_buffer_list_valid_rectangles (cache, + rectangles, n_rectangles)) + { + return cache; + } + + g_object_unref (cache); + } + } + + return NULL; +} + +void +gimp_applicator_set_crop (GimpApplicator *applicator, + const GeglRectangle *rect) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + + if (applicator->crop_enabled != (rect != NULL) || + (rect && ! gegl_rectangle_equal (&applicator->crop_rect, rect))) + { + if (rect) + { + if (! applicator->crop_enabled) + { + gegl_node_set (applicator->crop_node, + "operation", "gimp:compose-crop", + "x", rect->x, + "y", rect->y, + "width", rect->width, + "height", rect->height, + NULL); + + gegl_node_connect_to (applicator->input_node, "output", + applicator->crop_node, "aux"); + } + else + { + gegl_node_set (applicator->crop_node, + "x", rect->x, + "y", rect->y, + "width", rect->width, + "height", rect->height, + NULL); + } + + applicator->crop_enabled = TRUE; + applicator->crop_rect = *rect; + } + else + { + gegl_node_disconnect (applicator->crop_node, "aux"); + gegl_node_set (applicator->crop_node, + "operation", "gegl:nop", + NULL); + + applicator->crop_enabled = FALSE; + } + } +} + +const GeglRectangle * +gimp_applicator_get_crop (GimpApplicator *applicator) +{ + g_return_val_if_fail (GIMP_IS_APPLICATOR (applicator), NULL); + + if (applicator->crop_enabled) + return &applicator->crop_rect; + + return NULL; +} + +void +gimp_applicator_blit (GimpApplicator *applicator, + const GeglRectangle *rect) +{ + g_return_if_fail (GIMP_IS_APPLICATOR (applicator)); + + gegl_node_blit (applicator->dest_node, 1.0, rect, + NULL, NULL, 0, GEGL_BLIT_DEFAULT); +} |