From 3c57dd931145d43f2b0aef96c4d178135956bf91 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 05:13:10 +0200 Subject: Adding upstream version 2.10.36. Signed-off-by: Daniel Baumann --- app/core/gimpbrush.c | 945 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 945 insertions(+) create mode 100644 app/core/gimpbrush.c (limited to 'app/core/gimpbrush.c') diff --git a/app/core/gimpbrush.c b/app/core/gimpbrush.c new file mode 100644 index 0000000..b81cdf0 --- /dev/null +++ b/app/core/gimpbrush.c @@ -0,0 +1,945 @@ +/* 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 . + */ + +#include "config.h" + +#include +#include +#include + +#include "libgimpbase/gimpbase.h" +#include "libgimpmath/gimpmath.h" + +#include "core-types.h" + +#include "gimpbezierdesc.h" +#include "gimpbrush.h" +#include "gimpbrush-boundary.h" +#include "gimpbrush-load.h" +#include "gimpbrush-mipmap.h" +#include "gimpbrush-private.h" +#include "gimpbrush-save.h" +#include "gimpbrush-transform.h" +#include "gimpbrushcache.h" +#include "gimpbrushgenerated.h" +#include "gimpbrushpipe.h" +#include "gimpmarshal.h" +#include "gimptagged.h" +#include "gimptempbuf.h" + +#include "gimp-intl.h" + + +enum +{ + SPACING_CHANGED, + LAST_SIGNAL +}; + +enum +{ + PROP_0, + PROP_SPACING +}; + + +static void gimp_brush_tagged_iface_init (GimpTaggedInterface *iface); + +static void gimp_brush_finalize (GObject *object); +static void gimp_brush_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_brush_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static gint64 gimp_brush_get_memsize (GimpObject *object, + gint64 *gui_size); + +static gboolean gimp_brush_get_size (GimpViewable *viewable, + gint *width, + gint *height); +static GimpTempBuf * gimp_brush_get_new_preview (GimpViewable *viewable, + GimpContext *context, + gint width, + gint height); +static gchar * gimp_brush_get_description (GimpViewable *viewable, + gchar **tooltip); + +static void gimp_brush_dirty (GimpData *data); +static const gchar * gimp_brush_get_extension (GimpData *data); +static void gimp_brush_copy (GimpData *data, + GimpData *src_data); + +static void gimp_brush_real_begin_use (GimpBrush *brush); +static void gimp_brush_real_end_use (GimpBrush *brush); +static GimpBrush * gimp_brush_real_select_brush (GimpBrush *brush, + const GimpCoords *last_coords, + const GimpCoords *current_coords); +static gboolean gimp_brush_real_want_null_motion (GimpBrush *brush, + const GimpCoords *last_coords, + const GimpCoords *current_coords); + +static gchar * gimp_brush_get_checksum (GimpTagged *tagged); + + +G_DEFINE_TYPE_WITH_CODE (GimpBrush, gimp_brush, GIMP_TYPE_DATA, + G_ADD_PRIVATE (GimpBrush) + G_IMPLEMENT_INTERFACE (GIMP_TYPE_TAGGED, + gimp_brush_tagged_iface_init)) + +#define parent_class gimp_brush_parent_class + +static guint brush_signals[LAST_SIGNAL] = { 0 }; + + +static void +gimp_brush_class_init (GimpBrushClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass); + GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass); + GimpDataClass *data_class = GIMP_DATA_CLASS (klass); + + brush_signals[SPACING_CHANGED] = + g_signal_new ("spacing-changed", + G_TYPE_FROM_CLASS (klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (GimpBrushClass, spacing_changed), + NULL, NULL, + gimp_marshal_VOID__VOID, + G_TYPE_NONE, 0); + + object_class->finalize = gimp_brush_finalize; + object_class->get_property = gimp_brush_get_property; + object_class->set_property = gimp_brush_set_property; + + gimp_object_class->get_memsize = gimp_brush_get_memsize; + + viewable_class->default_icon_name = "gimp-tool-paintbrush"; + viewable_class->get_size = gimp_brush_get_size; + viewable_class->get_new_preview = gimp_brush_get_new_preview; + viewable_class->get_description = gimp_brush_get_description; + + data_class->dirty = gimp_brush_dirty; + data_class->save = gimp_brush_save; + data_class->get_extension = gimp_brush_get_extension; + data_class->copy = gimp_brush_copy; + + klass->begin_use = gimp_brush_real_begin_use; + klass->end_use = gimp_brush_real_end_use; + klass->select_brush = gimp_brush_real_select_brush; + klass->want_null_motion = gimp_brush_real_want_null_motion; + klass->transform_size = gimp_brush_real_transform_size; + klass->transform_mask = gimp_brush_real_transform_mask; + klass->transform_pixmap = gimp_brush_real_transform_pixmap; + klass->transform_boundary = gimp_brush_real_transform_boundary; + klass->spacing_changed = NULL; + + g_object_class_install_property (object_class, PROP_SPACING, + g_param_spec_double ("spacing", NULL, + _("Brush Spacing"), + 1.0, 5000.0, 20.0, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT)); +} + +static void +gimp_brush_tagged_iface_init (GimpTaggedInterface *iface) +{ + iface->get_checksum = gimp_brush_get_checksum; +} + +static void +gimp_brush_init (GimpBrush *brush) +{ + brush->priv = gimp_brush_get_instance_private (brush); + + brush->priv->spacing = 20; + brush->priv->x_axis.x = 15.0; + brush->priv->x_axis.y = 0.0; + brush->priv->y_axis.x = 0.0; + brush->priv->y_axis.y = 15.0; + + brush->priv->blur_hardness = 1.0; +} + +static void +gimp_brush_finalize (GObject *object) +{ + GimpBrush *brush = GIMP_BRUSH (object); + + g_clear_pointer (&brush->priv->mask, gimp_temp_buf_unref); + g_clear_pointer (&brush->priv->pixmap, gimp_temp_buf_unref); + g_clear_pointer (&brush->priv->blurred_mask, gimp_temp_buf_unref); + g_clear_pointer (&brush->priv->blurred_pixmap, gimp_temp_buf_unref); + + gimp_brush_mipmap_clear (brush); + + g_clear_object (&brush->priv->mask_cache); + g_clear_object (&brush->priv->pixmap_cache); + g_clear_object (&brush->priv->boundary_cache); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_brush_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpBrush *brush = GIMP_BRUSH (object); + + switch (property_id) + { + case PROP_SPACING: + gimp_brush_set_spacing (brush, g_value_get_double (value)); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_brush_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpBrush *brush = GIMP_BRUSH (object); + + switch (property_id) + { + case PROP_SPACING: + g_value_set_double (value, gimp_brush_get_spacing (brush)); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static gint64 +gimp_brush_get_memsize (GimpObject *object, + gint64 *gui_size) +{ + GimpBrush *brush = GIMP_BRUSH (object); + gint64 memsize = 0; + + memsize += gimp_temp_buf_get_memsize (brush->priv->mask); + memsize += gimp_temp_buf_get_memsize (brush->priv->pixmap); + + memsize += gimp_brush_mipmap_get_memsize (brush); + + return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object, + gui_size); +} + +static gboolean +gimp_brush_get_size (GimpViewable *viewable, + gint *width, + gint *height) +{ + GimpBrush *brush = GIMP_BRUSH (viewable); + + *width = gimp_temp_buf_get_width (brush->priv->mask); + *height = gimp_temp_buf_get_height (brush->priv->mask); + + return TRUE; +} + +static GimpTempBuf * +gimp_brush_get_new_preview (GimpViewable *viewable, + GimpContext *context, + gint width, + gint height) +{ + GimpBrush *brush = GIMP_BRUSH (viewable); + const GimpTempBuf *mask_buf = brush->priv->mask; + const GimpTempBuf *pixmap_buf = brush->priv->pixmap; + GimpTempBuf *return_buf = NULL; + gint mask_width; + gint mask_height; + guchar *mask_data; + guchar *mask; + guchar *buf; + gint x, y; + gboolean free_mask = FALSE; + gdouble scale = 1.0; + + mask_width = gimp_temp_buf_get_width (mask_buf); + mask_height = gimp_temp_buf_get_height (mask_buf); + + if (mask_width > width || mask_height > height) + { + gdouble ratio_x = (gdouble) width / (gdouble) mask_width; + gdouble ratio_y = (gdouble) height / (gdouble) mask_height; + + scale = MIN (ratio_x, ratio_y); + } + + if (GIMP_IS_BRUSH_GENERATED (brush) || scale != 1.0) + { + gimp_brush_begin_use (brush); + + if (GIMP_IS_BRUSH_GENERATED (brush)) + { + GimpBrushGenerated *gen_brush = GIMP_BRUSH_GENERATED (brush); + + mask_buf = gimp_brush_transform_mask (brush, scale, + (gimp_brush_generated_get_aspect_ratio (gen_brush) - 1.0) * 20.0 / 19.0, + gimp_brush_generated_get_angle (gen_brush) / -360.0, + FALSE, + gimp_brush_generated_get_hardness (gen_brush)); + } + else + { + mask_buf = gimp_brush_transform_mask (brush, scale, 0.0, 0.0, FALSE, 1.0); + } + + if (! mask_buf) + { + mask_buf = gimp_temp_buf_new (1, 1, babl_format ("Y u8")); + gimp_temp_buf_data_clear ((GimpTempBuf *) mask_buf); + } + else + { + gimp_temp_buf_ref ((GimpTempBuf *) mask_buf); + } + + if (pixmap_buf) + pixmap_buf = gimp_brush_transform_pixmap (brush, scale, + 0.0, 0.0, FALSE, 1.0); + + mask_width = gimp_temp_buf_get_width (mask_buf); + mask_height = gimp_temp_buf_get_height (mask_buf); + + free_mask = TRUE; + } + + return_buf = gimp_temp_buf_new (mask_width, mask_height, + babl_format ("R'G'B'A u8")); + + mask = mask_data = gimp_temp_buf_lock (mask_buf, babl_format ("Y u8"), + GEGL_ACCESS_READ); + buf = gimp_temp_buf_get_data (return_buf); + + if (pixmap_buf) + { + guchar *pixmap_data; + guchar *pixmap; + + pixmap = pixmap_data = gimp_temp_buf_lock (pixmap_buf, + babl_format ("R'G'B' u8"), + GEGL_ACCESS_READ); + + for (y = 0; y < mask_height; y++) + { + for (x = 0; x < mask_width ; x++) + { + *buf++ = *pixmap++; + *buf++ = *pixmap++; + *buf++ = *pixmap++; + *buf++ = *mask++; + } + } + + gimp_temp_buf_unlock (pixmap_buf, pixmap_data); + } + else + { + for (y = 0; y < mask_height; y++) + { + for (x = 0; x < mask_width ; x++) + { + *buf++ = 0; + *buf++ = 0; + *buf++ = 0; + *buf++ = *mask++; + } + } + } + + gimp_temp_buf_unlock (mask_buf, mask_data); + + if (free_mask) + { + gimp_temp_buf_unref ((GimpTempBuf *) mask_buf); + + gimp_brush_end_use (brush); + } + + return return_buf; +} + +static gchar * +gimp_brush_get_description (GimpViewable *viewable, + gchar **tooltip) +{ + GimpBrush *brush = GIMP_BRUSH (viewable); + + return g_strdup_printf ("%s (%d × %d)", + gimp_object_get_name (brush), + gimp_temp_buf_get_width (brush->priv->mask), + gimp_temp_buf_get_height (brush->priv->mask)); +} + +static void +gimp_brush_dirty (GimpData *data) +{ + GimpBrush *brush = GIMP_BRUSH (data); + + if (brush->priv->mask_cache) + gimp_brush_cache_clear (brush->priv->mask_cache); + + if (brush->priv->pixmap_cache) + gimp_brush_cache_clear (brush->priv->pixmap_cache); + + if (brush->priv->boundary_cache) + gimp_brush_cache_clear (brush->priv->boundary_cache); + + gimp_brush_mipmap_clear (brush); + + g_clear_pointer (&brush->priv->blurred_mask, gimp_temp_buf_unref); + g_clear_pointer (&brush->priv->blurred_pixmap, gimp_temp_buf_unref); + + GIMP_DATA_CLASS (parent_class)->dirty (data); +} + +static const gchar * +gimp_brush_get_extension (GimpData *data) +{ + return GIMP_BRUSH_FILE_EXTENSION; +} + +static void +gimp_brush_copy (GimpData *data, + GimpData *src_data) +{ + GimpBrush *brush = GIMP_BRUSH (data); + GimpBrush *src_brush = GIMP_BRUSH (src_data); + + g_clear_pointer (&brush->priv->mask, gimp_temp_buf_unref); + if (src_brush->priv->mask) + brush->priv->mask = gimp_temp_buf_copy (src_brush->priv->mask); + + g_clear_pointer (&brush->priv->pixmap, gimp_temp_buf_unref); + if (src_brush->priv->pixmap) + brush->priv->pixmap = gimp_temp_buf_copy (src_brush->priv->pixmap); + + brush->priv->spacing = src_brush->priv->spacing; + brush->priv->x_axis = src_brush->priv->x_axis; + brush->priv->y_axis = src_brush->priv->y_axis; + + gimp_data_dirty (data); +} + +static void +gimp_brush_real_begin_use (GimpBrush *brush) +{ + brush->priv->mask_cache = + gimp_brush_cache_new ((GDestroyNotify) gimp_temp_buf_unref, 'M', 'm'); + + brush->priv->pixmap_cache = + gimp_brush_cache_new ((GDestroyNotify) gimp_temp_buf_unref, 'P', 'p'); + + brush->priv->boundary_cache = + gimp_brush_cache_new ((GDestroyNotify) gimp_bezier_desc_free, 'B', 'b'); +} + +static void +gimp_brush_real_end_use (GimpBrush *brush) +{ + g_clear_object (&brush->priv->mask_cache); + g_clear_object (&brush->priv->pixmap_cache); + g_clear_object (&brush->priv->boundary_cache); + + g_clear_pointer (&brush->priv->blurred_mask, gimp_temp_buf_unref); + g_clear_pointer (&brush->priv->blurred_pixmap, gimp_temp_buf_unref); +} + +static GimpBrush * +gimp_brush_real_select_brush (GimpBrush *brush, + const GimpCoords *last_coords, + const GimpCoords *current_coords) +{ + return brush; +} + +static gboolean +gimp_brush_real_want_null_motion (GimpBrush *brush, + const GimpCoords *last_coords, + const GimpCoords *current_coords) +{ + return TRUE; +} + +static gchar * +gimp_brush_get_checksum (GimpTagged *tagged) +{ + GimpBrush *brush = GIMP_BRUSH (tagged); + gchar *checksum_string = NULL; + + if (brush->priv->mask) + { + GChecksum *checksum = g_checksum_new (G_CHECKSUM_MD5); + + g_checksum_update (checksum, + gimp_temp_buf_get_data (brush->priv->mask), + gimp_temp_buf_get_data_size (brush->priv->mask)); + if (brush->priv->pixmap) + g_checksum_update (checksum, + gimp_temp_buf_get_data (brush->priv->pixmap), + gimp_temp_buf_get_data_size (brush->priv->pixmap)); + g_checksum_update (checksum, + (const guchar *) &brush->priv->spacing, + sizeof (brush->priv->spacing)); + g_checksum_update (checksum, + (const guchar *) &brush->priv->x_axis, + sizeof (brush->priv->x_axis)); + g_checksum_update (checksum, + (const guchar *) &brush->priv->y_axis, + sizeof (brush->priv->y_axis)); + + checksum_string = g_strdup (g_checksum_get_string (checksum)); + + g_checksum_free (checksum); + } + + return checksum_string; +} + +/* public functions */ + +GimpData * +gimp_brush_new (GimpContext *context, + const gchar *name) +{ + g_return_val_if_fail (name != NULL, NULL); + + return gimp_brush_generated_new (name, + GIMP_BRUSH_GENERATED_CIRCLE, + 5.0, 2, 0.5, 1.0, 0.0); +} + +GimpData * +gimp_brush_get_standard (GimpContext *context) +{ + static GimpData *standard_brush = NULL; + + if (! standard_brush) + { + standard_brush = gimp_brush_new (context, "Standard"); + + gimp_data_clean (standard_brush); + gimp_data_make_internal (standard_brush, "gimp-brush-standard"); + + g_object_add_weak_pointer (G_OBJECT (standard_brush), + (gpointer *) &standard_brush); + } + + return standard_brush; +} + +void +gimp_brush_begin_use (GimpBrush *brush) +{ + g_return_if_fail (GIMP_IS_BRUSH (brush)); + + brush->priv->use_count++; + + if (brush->priv->use_count == 1) + GIMP_BRUSH_GET_CLASS (brush)->begin_use (brush); +} + +void +gimp_brush_end_use (GimpBrush *brush) +{ + g_return_if_fail (GIMP_IS_BRUSH (brush)); + g_return_if_fail (brush->priv->use_count > 0); + + brush->priv->use_count--; + + if (brush->priv->use_count == 0) + GIMP_BRUSH_GET_CLASS (brush)->end_use (brush); +} + +GimpBrush * +gimp_brush_select_brush (GimpBrush *brush, + const GimpCoords *last_coords, + const GimpCoords *current_coords) +{ + g_return_val_if_fail (GIMP_IS_BRUSH (brush), NULL); + g_return_val_if_fail (last_coords != NULL, NULL); + g_return_val_if_fail (current_coords != NULL, NULL); + + return GIMP_BRUSH_GET_CLASS (brush)->select_brush (brush, + last_coords, + current_coords); +} + +gboolean +gimp_brush_want_null_motion (GimpBrush *brush, + const GimpCoords *last_coords, + const GimpCoords *current_coords) +{ + g_return_val_if_fail (GIMP_IS_BRUSH (brush), FALSE); + g_return_val_if_fail (last_coords != NULL, FALSE); + g_return_val_if_fail (current_coords != NULL, FALSE); + + return GIMP_BRUSH_GET_CLASS (brush)->want_null_motion (brush, + last_coords, + current_coords); +} + +void +gimp_brush_transform_size (GimpBrush *brush, + gdouble scale, + gdouble aspect_ratio, + gdouble angle, + gboolean reflect, + gint *width, + gint *height) +{ + g_return_if_fail (GIMP_IS_BRUSH (brush)); + g_return_if_fail (scale > 0.0); + g_return_if_fail (width != NULL); + g_return_if_fail (height != NULL); + + if (scale == 1.0 && + aspect_ratio == 0.0 && + fmod (angle, 0.5) == 0.0) + { + *width = gimp_temp_buf_get_width (brush->priv->mask); + *height = gimp_temp_buf_get_height (brush->priv->mask); + + return; + } + + GIMP_BRUSH_GET_CLASS (brush)->transform_size (brush, + scale, aspect_ratio, angle, reflect, + width, height); +} + +const GimpTempBuf * +gimp_brush_transform_mask (GimpBrush *brush, + gdouble scale, + gdouble aspect_ratio, + gdouble angle, + gboolean reflect, + gdouble hardness) +{ + const GimpTempBuf *mask; + gint width; + gint height; + gdouble effective_hardness = hardness; + + g_return_val_if_fail (GIMP_IS_BRUSH (brush), NULL); + g_return_val_if_fail (scale > 0.0, NULL); + + gimp_brush_transform_size (brush, + scale, aspect_ratio, angle, reflect, + &width, &height); + + mask = gimp_brush_cache_get (brush->priv->mask_cache, + width, height, + scale, aspect_ratio, angle, reflect, hardness); + + if (! mask) + { +#if 0 + /* This code makes sure that brushes using blur for hardness + * (all of them but generated) are blurred once and no more. + * It also makes hardnes dynamics not work for these brushes. + * This is intentional. Confoliving for each stamp is too expensive.*/ + if (! brush->priv->blurred_mask && + ! GIMP_IS_BRUSH_GENERATED(brush) && + ! GIMP_IS_BRUSH_PIPE(brush) && /*Can't cache pipes. Sanely anyway*/ + hardness < 1.0) + { + brush->priv->blurred_mask = GIMP_BRUSH_GET_CLASS (brush)->transform_mask (brush, + 1.0, + 0.0, + 0.0, + FALSE, + hardness); + brush->priv->blur_hardness = hardness; + } + + if (brush->priv->blurred_mask) + { + effective_hardness = 1.0; /*Hardness has already been applied*/ + } +#endif + + mask = GIMP_BRUSH_GET_CLASS (brush)->transform_mask (brush, + scale, + aspect_ratio, + angle, + reflect, + effective_hardness); + + gimp_brush_cache_add (brush->priv->mask_cache, + (gpointer) mask, + width, height, + scale, aspect_ratio, angle, reflect, effective_hardness); + } + + return mask; +} + +const GimpTempBuf * +gimp_brush_transform_pixmap (GimpBrush *brush, + gdouble scale, + gdouble aspect_ratio, + gdouble angle, + gboolean reflect, + gdouble hardness) +{ + const GimpTempBuf *pixmap; + gint width; + gint height; + gdouble effective_hardness = hardness; + + g_return_val_if_fail (GIMP_IS_BRUSH (brush), NULL); + g_return_val_if_fail (brush->priv->pixmap != NULL, NULL); + g_return_val_if_fail (scale > 0.0, NULL); + + gimp_brush_transform_size (brush, + scale, aspect_ratio, angle, reflect, + &width, &height); + + pixmap = gimp_brush_cache_get (brush->priv->pixmap_cache, + width, height, + scale, aspect_ratio, angle, reflect, hardness); + + if (! pixmap) + { +#if 0 + if (! brush->priv->blurred_pixmap && + ! GIMP_IS_BRUSH_GENERATED(brush) && + ! GIMP_IS_BRUSH_PIPE(brush) /*Can't cache pipes. Sanely anyway*/ + && hardness < 1.0) + { + brush->priv->blurred_pixmap = GIMP_BRUSH_GET_CLASS (brush)->transform_pixmap (brush, + 1.0, + 0.0, + 0.0, + FALSE, + hardness); + brush->priv->blur_hardness = hardness; + } + + if (brush->priv->blurred_pixmap) { + effective_hardness = 1.0; /*Hardness has already been applied*/ + } +#endif + + pixmap = GIMP_BRUSH_GET_CLASS (brush)->transform_pixmap (brush, + scale, + aspect_ratio, + angle, + reflect, + effective_hardness); + + gimp_brush_cache_add (brush->priv->pixmap_cache, + (gpointer) pixmap, + width, height, + scale, aspect_ratio, angle, reflect, effective_hardness); + } + + return pixmap; +} + +const GimpBezierDesc * +gimp_brush_transform_boundary (GimpBrush *brush, + gdouble scale, + gdouble aspect_ratio, + gdouble angle, + gboolean reflect, + gdouble hardness, + gint *width, + gint *height) +{ + const GimpBezierDesc *boundary; + + g_return_val_if_fail (GIMP_IS_BRUSH (brush), NULL); + g_return_val_if_fail (scale > 0.0, NULL); + g_return_val_if_fail (width != NULL, NULL); + g_return_val_if_fail (height != NULL, NULL); + + gimp_brush_transform_size (brush, + scale, aspect_ratio, angle, reflect, + width, height); + + boundary = gimp_brush_cache_get (brush->priv->boundary_cache, + *width, *height, + scale, aspect_ratio, angle, reflect, hardness); + + if (! boundary) + { + boundary = GIMP_BRUSH_GET_CLASS (brush)->transform_boundary (brush, + scale, + aspect_ratio, + angle, + reflect, + hardness, + width, + height); + + /* while the brush mask is always at least 1x1 pixels, its + * outline can correctly be NULL + * + * FIXME: make the cache handle NULL things when it is + * properly implemented + */ + if (boundary) + gimp_brush_cache_add (brush->priv->boundary_cache, + (gpointer) boundary, + *width, *height, + scale, aspect_ratio, angle, reflect, hardness); + } + + return boundary; +} + +GimpTempBuf * +gimp_brush_get_mask (GimpBrush *brush) +{ + g_return_val_if_fail (brush != NULL, NULL); + g_return_val_if_fail (GIMP_IS_BRUSH (brush), NULL); + + if (brush->priv->blurred_mask) + { + return brush->priv->blurred_mask; + } + return brush->priv->mask; +} + +GimpTempBuf * +gimp_brush_get_pixmap (GimpBrush *brush) +{ + g_return_val_if_fail (brush != NULL, NULL); + g_return_val_if_fail (GIMP_IS_BRUSH (brush), NULL); + + if(brush->priv->blurred_pixmap) + { + return brush->priv->blurred_pixmap; + } + return brush->priv->pixmap; +} + +void +gimp_brush_flush_blur_caches (GimpBrush *brush) +{ +#if 0 + g_clear_pointer (&brush->priv->blurred_mask, gimp_temp_buf_unref); + g_clear_pointer (&brush->priv->blurred_pixmap, gimp_temp_buf_unref); + + if (brush->priv->mask_cache) + gimp_brush_cache_clear (brush->priv->mask_cache); + + if (brush->priv->pixmap_cache) + gimp_brush_cache_clear (brush->priv->pixmap_cache); + + if (brush->priv->boundary_cache) + gimp_brush_cache_clear (brush->priv->boundary_cache); +#endif +} + +gdouble +gimp_brush_get_blur_hardness (GimpBrush *brush) +{ + g_return_val_if_fail (GIMP_IS_BRUSH (brush), 0); + + return brush->priv->blur_hardness; +} + +gint +gimp_brush_get_width (GimpBrush *brush) +{ + g_return_val_if_fail (GIMP_IS_BRUSH (brush), 0); + + if (brush->priv->blurred_mask) + return gimp_temp_buf_get_width (brush->priv->blurred_mask); + + if (brush->priv->blurred_pixmap) + return gimp_temp_buf_get_width (brush->priv->blurred_pixmap); + + return gimp_temp_buf_get_width (brush->priv->mask); +} + +gint +gimp_brush_get_height (GimpBrush *brush) +{ + g_return_val_if_fail (GIMP_IS_BRUSH (brush), 0); + + if (brush->priv->blurred_mask) + return gimp_temp_buf_get_height (brush->priv->blurred_mask); + + if (brush->priv->blurred_pixmap) + return gimp_temp_buf_get_height (brush->priv->blurred_pixmap); + + return gimp_temp_buf_get_height (brush->priv->mask); +} + +gint +gimp_brush_get_spacing (GimpBrush *brush) +{ + g_return_val_if_fail (GIMP_IS_BRUSH (brush), 0); + + return brush->priv->spacing; +} + +void +gimp_brush_set_spacing (GimpBrush *brush, + gint spacing) +{ + g_return_if_fail (GIMP_IS_BRUSH (brush)); + + if (brush->priv->spacing != spacing) + { + brush->priv->spacing = spacing; + + g_signal_emit (brush, brush_signals[SPACING_CHANGED], 0); + g_object_notify (G_OBJECT (brush), "spacing"); + } +} + +static const GimpVector2 fail = { 0.0, 0.0 }; + +GimpVector2 +gimp_brush_get_x_axis (GimpBrush *brush) +{ + g_return_val_if_fail (GIMP_IS_BRUSH (brush), fail); + + return brush->priv->x_axis; +} + +GimpVector2 +gimp_brush_get_y_axis (GimpBrush *brush) +{ + g_return_val_if_fail (GIMP_IS_BRUSH (brush), fail); + + return brush->priv->y_axis; +} -- cgit v1.2.3