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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
commit | 5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch) | |
tree | cbffb45144febf451e54061db2b21395faf94bfe /app/core/gimpbrushclipboard.c | |
parent | Initial commit. (diff) | |
download | gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip |
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | app/core/gimpbrushclipboard.c | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/app/core/gimpbrushclipboard.c b/app/core/gimpbrushclipboard.c new file mode 100644 index 0000000..2d4a5e1 --- /dev/null +++ b/app/core/gimpbrushclipboard.c @@ -0,0 +1,298 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpbrushclipboard.c + * Copyright (C) 2006 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 <gdk-pixbuf/gdk-pixbuf.h> +#include <gegl.h> + +#include "core-types.h" + +#include "gimp.h" +#include "gimpbuffer.h" +#include "gimpbrush-private.h" +#include "gimpbrushclipboard.h" +#include "gimpimage.h" +#include "gimppickable.h" +#include "gimptempbuf.h" + +#include "gimp-intl.h" + + +#define BRUSH_MAX_SIZE 1024 + +enum +{ + PROP_0, + PROP_GIMP, + PROP_MASK_ONLY +}; + + +/* local function prototypes */ + +static void gimp_brush_clipboard_constructed (GObject *object); +static void gimp_brush_clipboard_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_brush_clipboard_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static GimpData * gimp_brush_clipboard_duplicate (GimpData *data); + +static void gimp_brush_clipboard_changed (Gimp *gimp, + GimpBrush *brush); + + +G_DEFINE_TYPE (GimpBrushClipboard, gimp_brush_clipboard, GIMP_TYPE_BRUSH) + +#define parent_class gimp_brush_clipboard_parent_class + + +static void +gimp_brush_clipboard_class_init (GimpBrushClipboardClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpDataClass *data_class = GIMP_DATA_CLASS (klass); + + object_class->constructed = gimp_brush_clipboard_constructed; + object_class->set_property = gimp_brush_clipboard_set_property; + object_class->get_property = gimp_brush_clipboard_get_property; + + data_class->duplicate = gimp_brush_clipboard_duplicate; + + g_object_class_install_property (object_class, PROP_GIMP, + g_param_spec_object ("gimp", NULL, NULL, + GIMP_TYPE_GIMP, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); + + g_object_class_install_property (object_class, PROP_MASK_ONLY, + g_param_spec_boolean ("mask-only", NULL, NULL, + FALSE, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); +} + +static void +gimp_brush_clipboard_init (GimpBrushClipboard *brush) +{ +} + +static void +gimp_brush_clipboard_constructed (GObject *object) +{ + GimpBrushClipboard *brush = GIMP_BRUSH_CLIPBOARD (object); + + G_OBJECT_CLASS (parent_class)->constructed (object); + + gimp_assert (GIMP_IS_GIMP (brush->gimp)); + + g_signal_connect_object (brush->gimp, "clipboard-changed", + G_CALLBACK (gimp_brush_clipboard_changed), + brush, 0); + + gimp_brush_clipboard_changed (brush->gimp, GIMP_BRUSH (brush)); +} + +static void +gimp_brush_clipboard_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpBrushClipboard *brush = GIMP_BRUSH_CLIPBOARD (object); + + switch (property_id) + { + case PROP_GIMP: + brush->gimp = g_value_get_object (value); + break; + + case PROP_MASK_ONLY: + brush->mask_only = g_value_get_boolean (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_brush_clipboard_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpBrushClipboard *brush = GIMP_BRUSH_CLIPBOARD (object); + + switch (property_id) + { + case PROP_GIMP: + g_value_set_object (value, brush->gimp); + break; + + case PROP_MASK_ONLY: + g_value_set_boolean (value, brush->mask_only); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static GimpData * +gimp_brush_clipboard_duplicate (GimpData *data) +{ + GimpData *new = g_object_new (GIMP_TYPE_BRUSH, NULL); + + gimp_data_copy (new, data); + + return new; +} + +GimpData * +gimp_brush_clipboard_new (Gimp *gimp, + gboolean mask_only) +{ + const gchar *name; + + g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL); + + if (mask_only) + name = _("Clipboard Mask"); + else + name = _("Clipboard Image"); + + return g_object_new (GIMP_TYPE_BRUSH_CLIPBOARD, + "name", name, + "gimp", gimp, + "mask-only", mask_only, + NULL); +} + + +/* private functions */ + +static void +gimp_brush_clipboard_changed (Gimp *gimp, + GimpBrush *brush) +{ + GimpObject *paste; + GeglBuffer *buffer = NULL; + gint width; + gint height; + + g_clear_pointer (&brush->priv->mask, gimp_temp_buf_unref); + g_clear_pointer (&brush->priv->pixmap, gimp_temp_buf_unref); + + paste = gimp_get_clipboard_object (gimp); + + if (GIMP_IS_IMAGE (paste)) + { + gimp_pickable_flush (GIMP_PICKABLE (paste)); + buffer = gimp_pickable_get_buffer (GIMP_PICKABLE (paste)); + } + else if (GIMP_IS_BUFFER (paste)) + { + buffer = gimp_buffer_get_buffer (GIMP_BUFFER (paste)); + } + + if (buffer) + { + const Babl *format = gegl_buffer_get_format (buffer); + + width = MIN (gegl_buffer_get_width (buffer), BRUSH_MAX_SIZE); + height = MIN (gegl_buffer_get_height (buffer), BRUSH_MAX_SIZE); + + brush->priv->mask = gimp_temp_buf_new (width, height, + babl_format ("Y u8")); + + if (GIMP_BRUSH_CLIPBOARD (brush)->mask_only) + { + guchar *p; + gint i; + + gegl_buffer_get (buffer, + GEGL_RECTANGLE (0, 0, width, height), 1.0, + babl_format ("Y u8"), + gimp_temp_buf_get_data (brush->priv->mask), + GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE); + + /* invert the mask, it's more intuitive to think + * "black on white" than the other way around + */ + for (i = 0, p = gimp_temp_buf_get_data (brush->priv->mask); + i < width * height; + i++, p++) + { + *p = 255 - *p; + } + } + else + { + brush->priv->pixmap = gimp_temp_buf_new (width, height, + babl_format ("R'G'B' u8")); + + /* copy the alpha channel into the brush's mask */ + if (babl_format_has_alpha (format)) + { + gegl_buffer_get (buffer, + GEGL_RECTANGLE (0, 0, width, height), 1.0, + babl_format ("A u8"), + gimp_temp_buf_get_data (brush->priv->mask), + GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE); + } + else + { + memset (gimp_temp_buf_get_data (brush->priv->mask), 255, + width * height); + } + + /* copy the color channels into the brush's pixmap */ + gegl_buffer_get (buffer, + GEGL_RECTANGLE (0, 0, width, height), 1.0, + babl_format ("R'G'B' u8"), + gimp_temp_buf_get_data (brush->priv->pixmap), + GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE); + } + } + else + { + width = 17; + height = 17; + + brush->priv->mask = gimp_temp_buf_new (width, height, + babl_format ("Y u8")); + gimp_temp_buf_data_clear (brush->priv->mask); + } + + brush->priv->x_axis.x = width / 2; + brush->priv->x_axis.y = 0; + brush->priv->y_axis.x = 0; + brush->priv->y_axis.y = height / 2; + + gimp_data_dirty (GIMP_DATA (brush)); +} |