/* GIMP - The GNU Image Manipulation Program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * gimp-apply-operation.c * Copyright (C) 2012 Øyvind Kolås * Sven Neumann * Michael Natterer * * 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 . */ #include "config.h" #include #include #include #include "gimp-gegl-types.h" #include "core/gimp-transform-utils.h" #include "core/gimp-utils.h" #include "core/gimpprogress.h" #include "gimp-gegl-apply-operation.h" #include "gimp-gegl-nodes.h" #include "gegl/gimp-gegl-utils.h" void gimp_gegl_apply_operation (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglNode *operation, GeglBuffer *dest_buffer, const GeglRectangle *dest_rect) { gimp_gegl_apply_cached_operation (src_buffer, progress, undo_desc, operation, dest_buffer, dest_rect, NULL, NULL, 0, FALSE); } static void gimp_gegl_apply_operation_cancel (GimpProgress *progress, gboolean *cancel) { *cancel = TRUE; } gboolean gimp_gegl_apply_cached_operation (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglNode *operation, GeglBuffer *dest_buffer, const GeglRectangle *dest_rect, GeglBuffer *cache, const GeglRectangle *valid_rects, gint n_valid_rects, gboolean cancellable) { GeglNode *gegl; GeglNode *dest_node; GeglNode *operation_src_node = NULL; GeglRectangle rect = { 0, }; GeglProcessor *processor = NULL; gboolean progress_started = FALSE; gdouble value; gboolean cancel = FALSE; g_return_val_if_fail (src_buffer == NULL || GEGL_IS_BUFFER (src_buffer), FALSE); g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), FALSE); g_return_val_if_fail (GEGL_IS_NODE (operation), FALSE); g_return_val_if_fail (GEGL_IS_BUFFER (dest_buffer), FALSE); g_return_val_if_fail (cache == NULL || GEGL_IS_BUFFER (cache), FALSE); g_return_val_if_fail (valid_rects == NULL || cache != NULL, FALSE); g_return_val_if_fail (valid_rects == NULL || n_valid_rects != 0, FALSE); if (dest_rect) { rect = *dest_rect; } else { rect = *GEGL_RECTANGLE (0, 0, gegl_buffer_get_width (dest_buffer), gegl_buffer_get_height (dest_buffer)); } gegl = gegl_node_new (); if (! gegl_node_get_parent (operation)) gegl_node_add_child (gegl, operation); if (src_buffer && gegl_node_has_pad (operation, "input")) { GeglNode *src_node; /* dup() because reading and writing the same buffer doesn't * work with area ops when using a processor. See bug #701875. */ if (progress && (src_buffer == dest_buffer)) src_buffer = gegl_buffer_dup (src_buffer); else g_object_ref (src_buffer); src_node = gegl_node_new_child (gegl, "operation", "gegl:buffer-source", "buffer", src_buffer, NULL); g_object_unref (src_buffer); operation_src_node = gegl_node_get_producer (operation, "input", NULL); gegl_node_connect_to (src_node, "output", operation, "input"); } dest_node = gegl_node_new_child (gegl, "operation", "gegl:write-buffer", "buffer", dest_buffer, NULL); gegl_node_connect_to (operation, "output", dest_node, "input"); if (progress) { processor = gegl_node_new_processor (dest_node, &rect); if (gimp_progress_is_active (progress)) { if (undo_desc) gimp_progress_set_text_literal (progress, undo_desc); progress_started = FALSE; cancellable = FALSE; } else { gimp_progress_start (progress, cancellable, "%s", undo_desc); if (cancellable) g_signal_connect (progress, "cancel", G_CALLBACK (gimp_gegl_apply_operation_cancel), &cancel); progress_started = TRUE; } } if (cache) { cairo_region_t *region; gint all_pixels; gint done_pixels = 0; gint n_rects; gint i; region = cairo_region_create_rectangle ((cairo_rectangle_int_t *) &rect); all_pixels = rect.width * rect.height; for (i = 0; i < n_valid_rects; i++) { gegl_buffer_copy (cache, valid_rects + i, GEGL_ABYSS_NONE, dest_buffer, valid_rects + i); cairo_region_subtract_rectangle (region, (cairo_rectangle_int_t *) valid_rects + i); done_pixels += valid_rects[i].width * valid_rects[i].height; if (progress) gimp_progress_set_value (progress, (gdouble) done_pixels / (gdouble) all_pixels); } n_rects = cairo_region_num_rectangles (region); for (i = 0; ! cancel && (i < n_rects); i++) { cairo_rectangle_int_t render_rect; cairo_region_get_rectangle (region, i, &render_rect); if (progress) { gint rect_pixels = render_rect.width * render_rect.height; #ifdef REUSE_PROCESSOR gegl_processor_set_rectangle (processor, (GeglRectangle *) &render_rect); #else g_object_unref (processor); processor = gegl_node_new_processor (dest_node, (GeglRectangle *) &render_rect); #endif while (! cancel && gegl_processor_work (processor, &value)) { gimp_progress_set_value (progress, ((gdouble) done_pixels + value * rect_pixels) / (gdouble) all_pixels); if (cancellable) while (! cancel && g_main_context_pending (NULL)) g_main_context_iteration (NULL, FALSE); } done_pixels += rect_pixels; } else { gegl_node_blit (dest_node, 1.0, (GeglRectangle *) &render_rect, NULL, NULL, 0, GEGL_BLIT_DEFAULT); } } cairo_region_destroy (region); } else { if (progress) { while (! cancel && gegl_processor_work (processor, &value)) { gimp_progress_set_value (progress, value); if (cancellable) while (! cancel && g_main_context_pending (NULL)) g_main_context_iteration (NULL, FALSE); } } else { gegl_node_blit (dest_node, 1.0, &rect, NULL, NULL, 0, GEGL_BLIT_DEFAULT); } } if (processor) g_object_unref (processor); g_object_unref (gegl); if (operation_src_node) { gegl_node_connect_to (operation_src_node, "output", operation, "input"); } if (progress_started) { gimp_progress_end (progress); if (cancellable) g_signal_handlers_disconnect_by_func (progress, gimp_gegl_apply_operation_cancel, &cancel); } return ! cancel; } void gimp_gegl_apply_dither (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, gint levels, gint dither_type) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); levels = CLAMP (levels, 2, 65536); node = gegl_node_new_child (NULL, "operation", "gegl:dither", "red-levels", levels, "green-levels", levels, "blue-levels", levels, "alpha-bits", levels, "dither-method", dither_type, NULL); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, NULL); g_object_unref (node); } void gimp_gegl_apply_flatten (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, const GimpRGB *background, GimpLayerColorSpace composite_space) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); g_return_if_fail (background != NULL); node = gimp_gegl_create_flatten_node (background, composite_space); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, NULL); g_object_unref (node); } void gimp_gegl_apply_feather (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, const GeglRectangle *dest_rect, gdouble radius_x, gdouble radius_y) { g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); /* 3.5 is completely magic and picked to visually match the old * gaussian_blur_region() on a crappy laptop display */ gimp_gegl_apply_gaussian_blur (src_buffer, progress, undo_desc, dest_buffer, dest_rect, radius_x / 3.5, radius_y / 3.5); } void gimp_gegl_apply_border (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, const GeglRectangle *dest_rect, gint radius_x, gint radius_y, GimpChannelBorderStyle style, gboolean edge_lock) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); switch (style) { case GIMP_CHANNEL_BORDER_STYLE_HARD: case GIMP_CHANNEL_BORDER_STYLE_FEATHERED: { gboolean feather = style == GIMP_CHANNEL_BORDER_STYLE_FEATHERED; node = gegl_node_new_child (NULL, "operation", "gimp:border", "radius-x", radius_x, "radius-y", radius_y, "feather", feather, "edge-lock", edge_lock, NULL); } break; case GIMP_CHANNEL_BORDER_STYLE_SMOOTH: { GeglNode *input, *output; GeglNode *grow, *shrink, *subtract; node = gegl_node_new (); input = gegl_node_get_input_proxy (node, "input"); output = gegl_node_get_output_proxy (node, "output"); /* Duplicate special-case behavior of "gimp:border". */ if (radius_x == 1 && radius_y == 1) { grow = gegl_node_new_child (node, "operation", "gegl:nop", NULL); shrink = gegl_node_new_child (node, "operation", "gimp:shrink", "radius-x", 1, "radius-y", 1, "edge-lock", edge_lock, NULL); } else { grow = gegl_node_new_child (node, "operation", "gimp:grow", "radius-x", radius_x, "radius-y", radius_y, NULL); shrink = gegl_node_new_child (node, "operation", "gimp:shrink", "radius-x", radius_x + 1, "radius-y", radius_y + 1, "edge-lock", edge_lock, NULL); } subtract = gegl_node_new_child (node, "operation", "gegl:subtract", NULL); gegl_node_link_many (input, grow, subtract, output, NULL); gegl_node_link (input, shrink); gegl_node_connect_to (shrink, "output", subtract, "aux"); } break; default: gimp_assert_not_reached (); } gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, dest_rect); g_object_unref (node); } void gimp_gegl_apply_grow (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, const GeglRectangle *dest_rect, gint radius_x, gint radius_y) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); node = gegl_node_new_child (NULL, "operation", "gimp:grow", "radius-x", radius_x, "radius-y", radius_y, NULL); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, dest_rect); g_object_unref (node); } void gimp_gegl_apply_shrink (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, const GeglRectangle *dest_rect, gint radius_x, gint radius_y, gboolean edge_lock) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); node = gegl_node_new_child (NULL, "operation", "gimp:shrink", "radius-x", radius_x, "radius-y", radius_y, "edge-lock", edge_lock, NULL); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, dest_rect); g_object_unref (node); } void gimp_gegl_apply_flood (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, const GeglRectangle *dest_rect) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); node = gegl_node_new_child (NULL, "operation", "gimp:flood", NULL); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, dest_rect); g_object_unref (node); } void gimp_gegl_apply_gaussian_blur (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, const GeglRectangle *dest_rect, gdouble std_dev_x, gdouble std_dev_y) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); node = gegl_node_new_child (NULL, "operation", "gegl:gaussian-blur", "std-dev-x", std_dev_x, "std-dev-y", std_dev_y, NULL); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, dest_rect); g_object_unref (node); } void gimp_gegl_apply_invert_gamma (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); node = gegl_node_new_child (NULL, "operation", "gegl:invert-gamma", NULL); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, NULL); g_object_unref (node); } void gimp_gegl_apply_invert_linear (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); node = gegl_node_new_child (NULL, "operation", "gegl:invert-linear", NULL); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, NULL); g_object_unref (node); } void gimp_gegl_apply_opacity (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, GeglBuffer *mask, gint mask_offset_x, gint mask_offset_y, gdouble opacity) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); g_return_if_fail (mask == NULL || GEGL_IS_BUFFER (mask)); node = gimp_gegl_create_apply_opacity_node (mask, mask_offset_x, mask_offset_y, opacity); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, NULL); g_object_unref (node); } void gimp_gegl_apply_scale (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, GimpInterpolationType interpolation_type, gdouble x, gdouble y) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); node = gegl_node_new_child (NULL, "operation", "gegl:scale-ratio", "origin-x", 0.0, "origin-y", 0.0, "sampler", interpolation_type, "x", x, "y", y, NULL); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, NULL); g_object_unref (node); } void gimp_gegl_apply_set_alpha (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, gdouble value) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); node = gegl_node_new_child (NULL, "operation", "gimp:set-alpha", "value", value, NULL); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, NULL); g_object_unref (node); } void gimp_gegl_apply_threshold (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, gdouble value) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); node = gegl_node_new_child (NULL, "operation", "gegl:threshold", "value", value, NULL); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, NULL); g_object_unref (node); } void gimp_gegl_apply_transform (GeglBuffer *src_buffer, GimpProgress *progress, const gchar *undo_desc, GeglBuffer *dest_buffer, GimpInterpolationType interpolation_type, GimpMatrix3 *transform) { GeglNode *node; g_return_if_fail (GEGL_IS_BUFFER (src_buffer)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); g_return_if_fail (GEGL_IS_BUFFER (dest_buffer)); node = gegl_node_new_child (NULL, "operation", "gegl:transform", "near-z", GIMP_TRANSFORM_NEAR_Z, "sampler", interpolation_type, NULL); gimp_gegl_node_set_matrix (node, transform); gimp_gegl_apply_operation (src_buffer, progress, undo_desc, node, dest_buffer, NULL); g_object_unref (node); }