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Diffstat (limited to '')
| -rw-r--r-- | app/core/gimppatternclipboard.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/app/core/gimppatternclipboard.c b/app/core/gimppatternclipboard.c new file mode 100644 index 0000000..9dd6a1f --- /dev/null +++ b/app/core/gimppatternclipboard.c @@ -0,0 +1,213 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimppatternclipboard.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 "gimppatternclipboard.h" +#include "gimpimage.h" +#include "gimppickable.h" +#include "gimptempbuf.h" + +#include "gimp-intl.h" + + +#define PATTERN_MAX_SIZE 1024 + +enum +{ + PROP_0, + PROP_GIMP +}; + + +/* local function prototypes */ + +static void gimp_pattern_clipboard_constructed (GObject *object); +static void gimp_pattern_clipboard_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_pattern_clipboard_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); +static GimpData * gimp_pattern_clipboard_duplicate (GimpData *data); + +static void gimp_pattern_clipboard_changed (Gimp *gimp, + GimpPattern *pattern); + + +G_DEFINE_TYPE (GimpPatternClipboard, gimp_pattern_clipboard, GIMP_TYPE_PATTERN) + +#define parent_class gimp_pattern_clipboard_parent_class + + +static void +gimp_pattern_clipboard_class_init (GimpPatternClipboardClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpDataClass *data_class = GIMP_DATA_CLASS (klass); + + object_class->constructed = gimp_pattern_clipboard_constructed; + object_class->set_property = gimp_pattern_clipboard_set_property; + object_class->get_property = gimp_pattern_clipboard_get_property; + + data_class->duplicate = gimp_pattern_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)); +} + +static void +gimp_pattern_clipboard_init (GimpPatternClipboard *pattern) +{ +} + +static void +gimp_pattern_clipboard_constructed (GObject *object) +{ + GimpPatternClipboard *pattern = GIMP_PATTERN_CLIPBOARD (object); + + G_OBJECT_CLASS (parent_class)->constructed (object); + + gimp_assert (GIMP_IS_GIMP (pattern->gimp)); + + g_signal_connect_object (pattern->gimp, "clipboard-changed", + G_CALLBACK (gimp_pattern_clipboard_changed), + pattern, 0); + + gimp_pattern_clipboard_changed (pattern->gimp, GIMP_PATTERN (pattern)); +} + +static void +gimp_pattern_clipboard_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpPatternClipboard *pattern = GIMP_PATTERN_CLIPBOARD (object); + + switch (property_id) + { + case PROP_GIMP: + pattern->gimp = g_value_get_object (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_pattern_clipboard_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpPatternClipboard *pattern = GIMP_PATTERN_CLIPBOARD (object); + + switch (property_id) + { + case PROP_GIMP: + g_value_set_object (value, pattern->gimp); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static GimpData * +gimp_pattern_clipboard_duplicate (GimpData *data) +{ + GimpData *new = g_object_new (GIMP_TYPE_PATTERN, NULL); + + gimp_data_copy (new, data); + + return new; +} + +GimpData * +gimp_pattern_clipboard_new (Gimp *gimp) +{ + g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL); + + return g_object_new (GIMP_TYPE_PATTERN_CLIPBOARD, + "name", _("Clipboard Image"), + "gimp", gimp, + NULL); +} + + +/* private functions */ + +static void +gimp_pattern_clipboard_changed (Gimp *gimp, + GimpPattern *pattern) +{ + GimpObject *paste; + GeglBuffer *buffer = NULL; + + g_clear_pointer (&pattern->mask, 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) + { + gint width = MIN (gegl_buffer_get_width (buffer), PATTERN_MAX_SIZE); + gint height = MIN (gegl_buffer_get_height (buffer), PATTERN_MAX_SIZE); + + pattern->mask = gimp_temp_buf_new (width, height, + gegl_buffer_get_format (buffer)); + + gegl_buffer_get (buffer, + GEGL_RECTANGLE (0, 0, width, height), 1.0, + NULL, + gimp_temp_buf_get_data (pattern->mask), + GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE); + } + else + { + pattern->mask = gimp_temp_buf_new (16, 16, babl_format ("R'G'B' u8")); + memset (gimp_temp_buf_get_data (pattern->mask), 255, 16 * 16 * 3); + } + + gimp_data_dirty (GIMP_DATA (pattern)); +} |