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-rw-r--r--app/core/gimpdrawable-fill.c279
1 files changed, 279 insertions, 0 deletions
diff --git a/app/core/gimpdrawable-fill.c b/app/core/gimpdrawable-fill.c
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--- /dev/null
+++ b/app/core/gimpdrawable-fill.c
@@ -0,0 +1,279 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * 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 <cairo.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "libgimpcolor/gimpcolor.h"
+
+#include "core-types.h"
+
+#include "gegl/gimp-babl.h"
+#include "gegl/gimp-gegl-apply-operation.h"
+#include "gegl/gimp-gegl-loops.h"
+#include "gegl/gimp-gegl-utils.h"
+
+#include "operations/layer-modes/gimp-layer-modes.h"
+
+#include "gimp-utils.h"
+#include "gimpbezierdesc.h"
+#include "gimpchannel.h"
+#include "gimpdrawable-fill.h"
+#include "gimperror.h"
+#include "gimpfilloptions.h"
+#include "gimpimage.h"
+#include "gimppattern.h"
+#include "gimppickable.h"
+#include "gimpscanconvert.h"
+
+#include "vectors/gimpvectors.h"
+
+#include "gimp-intl.h"
+
+
+/* public functions */
+
+void
+gimp_drawable_fill (GimpDrawable *drawable,
+ GimpContext *context,
+ GimpFillType fill_type)
+{
+ GimpRGB color;
+ GimpPattern *pattern;
+
+ g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
+ g_return_if_fail (GIMP_IS_CONTEXT (context));
+
+ if (fill_type == GIMP_FILL_TRANSPARENT &&
+ ! gimp_drawable_has_alpha (drawable))
+ {
+ fill_type = GIMP_FILL_BACKGROUND;
+ }
+
+ if (! gimp_get_fill_params (context, fill_type, &color, &pattern, NULL))
+ return;
+
+ gimp_drawable_fill_buffer (drawable,
+ gimp_drawable_get_buffer (drawable),
+ &color, pattern, 0, 0);
+
+ gimp_drawable_update (drawable, 0, 0, -1, -1);
+}
+
+void
+gimp_drawable_fill_buffer (GimpDrawable *drawable,
+ GeglBuffer *buffer,
+ const GimpRGB *color,
+ GimpPattern *pattern,
+ gint pattern_offset_x,
+ gint pattern_offset_y)
+{
+ g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
+ g_return_if_fail (GEGL_IS_BUFFER (buffer));
+ g_return_if_fail (color != NULL || pattern != NULL);
+ g_return_if_fail (pattern == NULL || GIMP_IS_PATTERN (pattern));
+
+ if (pattern)
+ {
+ GeglBuffer *src_buffer;
+ GeglBuffer *dest_buffer;
+ GimpColorProfile *src_profile;
+ GimpColorProfile *dest_profile;
+
+ src_buffer = gimp_pattern_create_buffer (pattern);
+
+ src_profile = gimp_babl_format_get_color_profile (
+ gegl_buffer_get_format (src_buffer));
+ dest_profile = gimp_color_managed_get_color_profile (
+ GIMP_COLOR_MANAGED (drawable));
+
+ if (gimp_color_transform_can_gegl_copy (src_profile, dest_profile))
+ {
+ dest_buffer = g_object_ref (src_buffer);
+ }
+ else
+ {
+ dest_buffer = gegl_buffer_new (gegl_buffer_get_extent (src_buffer),
+ gegl_buffer_get_format (buffer));
+
+ gimp_gegl_convert_color_profile (
+ src_buffer, NULL, src_profile,
+ dest_buffer, NULL, dest_profile,
+ GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL,
+ TRUE,
+ NULL);
+ }
+
+ gegl_buffer_set_pattern (buffer, NULL, dest_buffer,
+ pattern_offset_x, pattern_offset_y);
+
+ g_object_unref (src_buffer);
+ g_object_unref (dest_buffer);
+ }
+ else
+ {
+ GimpRGB image_color;
+ GeglColor *gegl_color;
+
+ gimp_pickable_srgb_to_image_color (GIMP_PICKABLE (drawable),
+ color, &image_color);
+
+ if (! gimp_drawable_has_alpha (drawable))
+ gimp_rgb_set_alpha (&image_color, 1.0);
+
+ gegl_color = gimp_gegl_color_new (&image_color);
+ gegl_buffer_set_color (buffer, NULL, gegl_color);
+ g_object_unref (gegl_color);
+ }
+}
+
+void
+gimp_drawable_fill_boundary (GimpDrawable *drawable,
+ GimpFillOptions *options,
+ const GimpBoundSeg *bound_segs,
+ gint n_bound_segs,
+ gint offset_x,
+ gint offset_y,
+ gboolean push_undo)
+{
+ GimpScanConvert *scan_convert;
+
+ g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
+ g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
+ g_return_if_fail (GIMP_IS_FILL_OPTIONS (options));
+ g_return_if_fail (bound_segs == NULL || n_bound_segs != 0);
+ g_return_if_fail (gimp_fill_options_get_style (options) !=
+ GIMP_FILL_STYLE_PATTERN ||
+ gimp_context_get_pattern (GIMP_CONTEXT (options)) != NULL);
+
+ scan_convert = gimp_scan_convert_new_from_boundary (bound_segs, n_bound_segs,
+ offset_x, offset_y);
+
+ if (scan_convert)
+ {
+ gimp_drawable_fill_scan_convert (drawable, options,
+ scan_convert, push_undo);
+ gimp_scan_convert_free (scan_convert);
+ }
+}
+
+gboolean
+gimp_drawable_fill_vectors (GimpDrawable *drawable,
+ GimpFillOptions *options,
+ GimpVectors *vectors,
+ gboolean push_undo,
+ GError **error)
+{
+ const GimpBezierDesc *bezier;
+
+ g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), FALSE);
+ g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)), FALSE);
+ g_return_val_if_fail (GIMP_IS_FILL_OPTIONS (options), FALSE);
+ g_return_val_if_fail (GIMP_IS_VECTORS (vectors), FALSE);
+ g_return_val_if_fail (gimp_fill_options_get_style (options) !=
+ GIMP_FILL_STYLE_PATTERN ||
+ gimp_context_get_pattern (GIMP_CONTEXT (options)) != NULL,
+ FALSE);
+ g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+ bezier = gimp_vectors_get_bezier (vectors);
+
+ if (bezier && bezier->num_data > 4)
+ {
+ GimpScanConvert *scan_convert = gimp_scan_convert_new ();
+
+ gimp_scan_convert_add_bezier (scan_convert, bezier);
+ gimp_drawable_fill_scan_convert (drawable, options,
+ scan_convert, push_undo);
+
+ gimp_scan_convert_free (scan_convert);
+
+ return TRUE;
+ }
+
+ g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
+ _("Not enough points to fill"));
+
+ return FALSE;
+}
+
+void
+gimp_drawable_fill_scan_convert (GimpDrawable *drawable,
+ GimpFillOptions *options,
+ GimpScanConvert *scan_convert,
+ gboolean push_undo)
+{
+ GimpContext *context;
+ GeglBuffer *buffer;
+ GeglBuffer *mask_buffer;
+ gint x, y, w, h;
+ gint off_x;
+ gint off_y;
+
+ g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
+ g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
+ g_return_if_fail (GIMP_IS_FILL_OPTIONS (options));
+ g_return_if_fail (scan_convert != NULL);
+ g_return_if_fail (gimp_fill_options_get_style (options) !=
+ GIMP_FILL_STYLE_PATTERN ||
+ gimp_context_get_pattern (GIMP_CONTEXT (options)) != NULL);
+
+ context = GIMP_CONTEXT (options);
+
+ if (! gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &w, &h))
+ return;
+
+ /* fill a 1-bpp GeglBuffer with black, this will describe the shape
+ * of the stroke.
+ */
+ mask_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, w, h),
+ babl_format ("Y u8"));
+
+ /* render the stroke into it */
+ gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
+
+ gimp_scan_convert_render (scan_convert, mask_buffer,
+ x + off_x, y + off_y,
+ gimp_fill_options_get_antialias (options));
+
+ buffer = gimp_fill_options_create_buffer (options, drawable,
+ GEGL_RECTANGLE (0, 0, w, h),
+ -x, -y);
+
+ gimp_gegl_apply_opacity (buffer, NULL, NULL, buffer,
+ mask_buffer, 0, 0, 1.0);
+ g_object_unref (mask_buffer);
+
+ /* Apply to drawable */
+ gimp_drawable_apply_buffer (drawable, buffer,
+ GEGL_RECTANGLE (0, 0, w, h),
+ push_undo, C_("undo-type", "Render Stroke"),
+ gimp_context_get_opacity (context),
+ gimp_context_get_paint_mode (context),
+ GIMP_LAYER_COLOR_SPACE_AUTO,
+ GIMP_LAYER_COLOR_SPACE_AUTO,
+ gimp_layer_mode_get_paint_composite_mode (
+ gimp_context_get_paint_mode (context)),
+ NULL, x, y);
+
+ g_object_unref (buffer);
+
+ gimp_drawable_update (drawable, x, y, w, h);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-13 16:10:29 +0000