summaryrefslogtreecommitdiffstats
path: root/plug-ins/pygimp/pygimp-tile.c
diff options
context:
space:
mode:
Diffstat (limited to 'plug-ins/pygimp/pygimp-tile.c')
-rw-r--r--plug-ins/pygimp/pygimp-tile.c1046
1 files changed, 1046 insertions, 0 deletions
diff --git a/plug-ins/pygimp/pygimp-tile.c b/plug-ins/pygimp/pygimp-tile.c
new file mode 100644
index 0000000..b4f3722
--- /dev/null
+++ b/plug-ins/pygimp/pygimp-tile.c
@@ -0,0 +1,1046 @@
+/* -*- Mode: C; c-basic-offset: 4 -*-
+ * Gimp-Python - allows the writing of Gimp plugins in Python.
+ * Copyright (C) 1997-2002 James Henstridge <james@daa.com.au>
+ *
+ * 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/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#define GIMP_DISABLE_DEPRECATION_WARNINGS
+
+#include "pygimp.h"
+
+#define NO_IMPORT_PYGIMPCOLOR
+#include "pygimpcolor-api.h"
+
+#include <structmember.h>
+
+static PyObject *
+tile_flush(PyGimpTile *self, PyObject *args)
+{
+ if (!PyArg_ParseTuple(args, ":flush"))
+ return NULL;
+
+ gimp_tile_flush(self->tile);
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+
+static PyMethodDef tile_methods[] = {
+ {"flush", (PyCFunction)tile_flush, METH_VARARGS},
+ {NULL, NULL} /* sentinel */
+};
+
+/* ---------- */
+
+
+PyObject *
+pygimp_tile_new(GimpTile *t, PyGimpDrawable *drw)
+{
+ PyGimpTile *self;
+
+ self = PyObject_NEW(PyGimpTile, &PyGimpTile_Type);
+
+ if (self == NULL)
+ return NULL;
+
+ gimp_tile_ref(t);
+
+ self->tile = t;
+
+ Py_INCREF(drw);
+ self->drawable = drw;
+
+ return (PyObject *)self;
+}
+
+
+static void
+tile_dealloc(PyGimpTile *self)
+{
+ gimp_tile_unref(self->tile, FALSE);
+
+ Py_DECREF(self->drawable);
+ PyObject_DEL(self);
+}
+
+static PyObject *
+tile_get_uint_field(PyGimpTile *self, void *closure)
+{
+ gint offset = GPOINTER_TO_INT(closure);
+ guint value;
+ gchar *addr;
+
+ addr = (gchar *)self->tile;
+ addr += offset;
+ value = *(guint *)addr;
+
+ return PyInt_FromLong(value);
+}
+
+static PyObject *
+tile_get_dirty(PyGimpTile *self, void *closure)
+{
+ return PyBool_FromLong(self->tile->dirty);
+}
+
+static PyObject *
+tile_get_shadow(PyGimpTile *self, void *closure)
+{
+ return PyBool_FromLong(self->tile->shadow);
+}
+
+static PyObject *
+tile_get_drawable(PyGimpTile *self, void *closure)
+{
+ return pygimp_drawable_new(self->tile->drawable, 0);
+}
+
+
+#define OFF(x) GINT_TO_POINTER(offsetof(GimpTile, x))
+static PyGetSetDef tile_getsets[] = {
+ { "ewidth", (getter)tile_get_uint_field, 0, NULL, OFF(ewidth) },
+ { "eheight", (getter)tile_get_uint_field, 0, NULL, OFF(eheight) },
+ { "bpp", (getter)tile_get_uint_field, 0, NULL, OFF(bpp) },
+ { "tile_num", (getter)tile_get_uint_field, 0, NULL, OFF(tile_num) },
+ { "dirty", (getter)tile_get_dirty, 0, NULL },
+ { "shadow", (getter)tile_get_shadow, 0, NULL },
+ { "drawable", (getter)tile_get_drawable, 0, NULL },
+ { NULL, (getter)0, (setter)0 }
+};
+#undef OFF
+
+static PyObject *
+tile_repr(PyGimpTile *self)
+{
+ PyObject *s;
+ gchar *name;
+
+ name = gimp_item_get_name(self->tile->drawable->drawable_id);
+
+ if (self->tile->shadow)
+ s = PyString_FromFormat("<gimp.Tile for drawable '%s' (shadow)>", name);
+ else
+ s = PyString_FromFormat("<gimp.Tile for drawable '%s'>", name);
+
+ g_free(name);
+
+ return s;
+}
+
+static Py_ssize_t
+tile_length(PyObject *self)
+{
+ return ((PyGimpTile*)self)->tile->ewidth * ((PyGimpTile*)self)->tile->eheight;
+}
+
+static PyObject *
+tile_subscript(PyGimpTile *self, PyObject *sub)
+{
+ GimpTile *tile = self->tile;
+ int bpp = tile->bpp;
+ long x, y;
+
+ if (PyInt_Check(sub)) {
+ x = PyInt_AsLong(sub);
+
+ if (x < 0 || x >= tile->ewidth * tile->eheight) {
+ PyErr_SetString(PyExc_IndexError, "index out of range");
+ return NULL;
+ }
+
+ return PyString_FromStringAndSize
+ ((char *)tile->data + bpp * x, bpp);
+ }
+
+ if (PyTuple_Check(sub)) {
+ if (!PyArg_ParseTuple(sub, "ll", &x, &y))
+ return NULL;
+
+ if (x < 0 || y < 0 || x >= tile->ewidth || y>=tile->eheight) {
+ PyErr_SetString(PyExc_IndexError, "index out of range");
+ return NULL;
+ }
+
+ return PyString_FromStringAndSize
+ ((char *)tile->data + bpp * (x + y * tile->ewidth), bpp);
+ }
+
+ PyErr_SetString(PyExc_TypeError, "tile subscript not int or 2-tuple");
+ return NULL;
+}
+
+static int
+tile_ass_sub(PyGimpTile *self, PyObject *v, PyObject *w)
+{
+ GimpTile *tile = self->tile;
+ int bpp = tile->bpp, i;
+ long x, y;
+ guchar *pix, *data;
+
+ if (w == NULL) {
+ PyErr_SetString(PyExc_TypeError,
+ "can not delete pixels in tile");
+ return -1;
+ }
+
+ if (!PyString_Check(w) && PyString_Size(w) == bpp) {
+ PyErr_SetString(PyExc_TypeError, "invalid subscript");
+ return -1;
+ }
+
+ pix = (guchar *)PyString_AsString(w);
+
+ if (PyInt_Check(v)) {
+ x = PyInt_AsLong(v);
+
+ if (x < 0 || x >= tile->ewidth * tile->eheight) {
+ PyErr_SetString(PyExc_IndexError, "index out of range");
+ return -1;
+ }
+
+ data = tile->data + x * bpp;
+
+ for (i = 0; i < bpp; i++)
+ data[i] = pix[i];
+
+ tile->dirty = TRUE;
+
+ return 0;
+ }
+
+ if (PyTuple_Check(v)) {
+ if (!PyArg_ParseTuple(v, "ll", &x, &y))
+ return -1;
+
+ if (x < 0 || y < 0 || x >= tile->ewidth || y>=tile->eheight) {
+ PyErr_SetString(PyExc_IndexError, "index out of range");
+ return -1;
+ }
+
+ data = tile->data + bpp * (x + y * tile->ewidth);
+
+ for (i = 0; i < bpp; i++)
+ data[i] = pix[i];
+
+ tile->dirty = TRUE;
+
+ return 0;
+ }
+
+ PyErr_SetString(PyExc_TypeError, "tile subscript not int or 2-tuple");
+ return -1;
+}
+
+static PyMappingMethods tile_as_mapping = {
+ tile_length, /*length*/
+ (binaryfunc)tile_subscript, /*subscript*/
+ (objobjargproc)tile_ass_sub, /*ass_sub*/
+};
+
+PyTypeObject PyGimpTile_Type = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* ob_size */
+ "gimp.Tile", /* tp_name */
+ sizeof(PyGimpTile), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ /* methods */
+ (destructor)tile_dealloc, /* tp_dealloc */
+ (printfunc)0, /* tp_print */
+ (getattrfunc)0, /* tp_getattr */
+ (setattrfunc)0, /* tp_setattr */
+ (cmpfunc)0, /* tp_compare */
+ (reprfunc)tile_repr, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ &tile_as_mapping, /* tp_as_mapping */
+ (hashfunc)0, /* tp_hash */
+ (ternaryfunc)0, /* tp_call */
+ (reprfunc)0, /* tp_str */
+ (getattrofunc)0, /* tp_getattro */
+ (setattrofunc)0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT, /* tp_flags */
+ NULL, /* Documentation string */
+ (traverseproc)0, /* tp_traverse */
+ (inquiry)0, /* tp_clear */
+ (richcmpfunc)0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ (getiterfunc)0, /* tp_iter */
+ (iternextfunc)0, /* tp_iternext */
+ tile_methods, /* tp_methods */
+ 0, /* tp_members */
+ tile_getsets, /* tp_getset */
+ (PyTypeObject *)0, /* tp_base */
+ (PyObject *)0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ (initproc)0, /* tp_init */
+ (allocfunc)0, /* tp_alloc */
+ (newfunc)0, /* tp_new */
+};
+
+/* End of code for Tile objects */
+/* -------------------------------------------------------- */
+
+
+static PyObject *
+pr_resize(PyGimpPixelRgn *self, PyObject *args)
+{
+ int x, y, w, h;
+
+ if (!PyArg_ParseTuple(args, "iiii:resize", &x, &y, &w, &h))
+ return NULL;
+
+ gimp_pixel_rgn_resize(&(self->pr), x, y, w, h);
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+
+
+static PyMethodDef pr_methods[] = {
+ {"resize", (PyCFunction)pr_resize, METH_VARARGS},
+
+ {NULL, NULL} /* sentinel */
+};
+
+/* ---------- */
+
+
+PyObject *
+pygimp_pixel_rgn_new(PyGimpDrawable *drawable, int x, int y,
+ int width, int height, int dirty, int shadow)
+{
+ PyGimpPixelRgn *self;
+ int drw_width;
+ int drw_height;
+
+ self = PyObject_NEW(PyGimpPixelRgn, &PyGimpPixelRgn_Type);
+
+ if (self == NULL || drawable == NULL)
+ return NULL;
+
+ drw_width = gimp_drawable_width(drawable->ID);
+ drw_height = gimp_drawable_height(drawable->ID);
+
+ if(x < 0) x = 0;
+ if(y < 0) y = 0;
+ if(width < 0) width = drw_width - x;
+ if(height < 0) height = drw_height - y;
+ if(x >= drw_width) x = drw_width - 1;
+ if(y >= drw_height) y = drw_height - 1;
+ if(x + width > drw_width) width = drw_width - x;
+ if(y + height > drw_height) height = drw_height - y;
+
+ gimp_pixel_rgn_init(&(self->pr), drawable->drawable, x, y, width, height,
+ dirty, shadow);
+
+ self->drawable = drawable;
+ Py_INCREF(drawable);
+
+ return (PyObject *)self;
+}
+
+
+static void
+pr_dealloc(PyGimpPixelRgn *self)
+{
+ Py_DECREF(self->drawable);
+ PyObject_DEL(self);
+}
+
+/* Code to access pr objects as mappings */
+
+static Py_ssize_t
+pr_length(PyObject *self)
+{
+ PyErr_SetString(pygimp_error, "Can't get size of pixel region");
+ return -1;
+}
+
+static PyObject *
+pr_subscript(PyGimpPixelRgn *self, PyObject *key)
+{
+ GimpPixelRgn *pr = &(self->pr);
+ PyObject *x, *y;
+ Py_ssize_t x1, y1, x2, y2, xs, ys;
+ PyObject *ret;
+
+ if (!PyTuple_Check(key) || PyTuple_Size(key) != 2) {
+ PyErr_SetString(PyExc_TypeError, "subscript must be a 2-tuple");
+ return NULL;
+ }
+
+ if (!PyArg_ParseTuple(key, "OO", &x, &y))
+ return NULL;
+
+ if (PyInt_Check(x)) {
+ x1 = PyInt_AsSsize_t(x);
+
+ if (x1 < pr->x || x1 >= pr->x + pr->w) {
+ PyErr_SetString(PyExc_IndexError, "x subscript out of range");
+ return NULL;
+ }
+
+ if (PyInt_Check(y)) {
+ y1 = PyInt_AsSsize_t(y);
+
+ if (y1 < pr->y || y1 >= pr->y + pr->h) {
+ PyErr_SetString(PyExc_IndexError, "y subscript out of range");
+ return NULL;
+ }
+
+ ret = PyString_FromStringAndSize(NULL, pr->bpp);
+ gimp_pixel_rgn_get_pixel(pr, (guchar*)PyString_AS_STRING(ret),
+ x1, y1);
+
+ } else if (PySlice_Check(y)) {
+ if (PySlice_GetIndices((PySliceObject*)y, pr->y + pr->h,
+ &y1, &y2, &ys) ||
+ y1 >= y2 || ys != 1) {
+ PyErr_SetString(PyExc_IndexError, "invalid y slice");
+ return NULL;
+ }
+
+ if(y1 == 0)
+ y1 = pr->y;
+
+ if(y1 < pr->y || y2 < pr->y) {
+ PyErr_SetString(PyExc_IndexError, "y subscript out of range");
+ return NULL;
+ }
+
+ ret = PyString_FromStringAndSize(NULL, pr->bpp * (y2 - y1));
+ gimp_pixel_rgn_get_col(pr, (guchar*)PyString_AS_STRING(ret),
+ x1, y1, y2-y1);
+ }
+ else {
+ PyErr_SetString(PyExc_TypeError, "invalid y subscript");
+ return NULL;
+ }
+ } else if (PySlice_Check(x)) {
+ if (PySlice_GetIndices((PySliceObject *)x, pr->x + pr->w,
+ &x1, &x2, &xs) ||
+ x1 >= x2 || xs != 1) {
+ PyErr_SetString(PyExc_IndexError, "invalid x slice");
+ return NULL;
+ }
+ if (x1 == 0)
+ x1 = pr->x;
+ if(x1 < pr->x || x2 < pr->x) {
+ PyErr_SetString(PyExc_IndexError, "x subscript out of range");
+ return NULL;
+ }
+
+ if (PyInt_Check(y)) {
+ y1 = PyInt_AsSsize_t(y);
+ if (y1 < pr->y || y1 >= pr->y + pr->h) {
+ PyErr_SetString(PyExc_IndexError, "y subscript out of range");
+ return NULL;
+ }
+ ret = PyString_FromStringAndSize(NULL, pr->bpp * (x2 - x1));
+ gimp_pixel_rgn_get_row(pr, (guchar*)PyString_AS_STRING(ret),
+ x1, y1, x2 - x1);
+
+ } else if (PySlice_Check(y)) {
+ if (PySlice_GetIndices((PySliceObject*)y, pr->y + pr->h,
+ &y1, &y2, &ys) ||
+ y1 >= y2 || ys != 1) {
+ PyErr_SetString(PyExc_IndexError, "invalid y slice");
+ return NULL;
+ }
+
+ if(y1 == 0)
+ y1 = pr->y;
+ if(y1 < pr->y || y2 < pr->y) {
+ PyErr_SetString(PyExc_IndexError, "y subscript out of range");
+ return NULL;
+ }
+
+ ret = PyString_FromStringAndSize(NULL,
+ pr->bpp * (x2 - x1) * (y2 - y1));
+ gimp_pixel_rgn_get_rect(pr, (guchar*)PyString_AS_STRING(ret),
+ x1, y1, x2 - x1, y2 - y1);
+ }
+ else {
+ PyErr_SetString(PyExc_TypeError, "invalid y subscript");
+ return NULL;
+ }
+
+ } else {
+ PyErr_SetString(PyExc_TypeError, "invalid x subscript");
+ return NULL;
+ }
+ return ret;
+}
+
+static int
+pr_ass_sub(PyGimpPixelRgn *self, PyObject *v, PyObject *w)
+{
+ GimpPixelRgn *pr = &(self->pr);
+ PyObject *x, *y;
+ const guchar *buf;
+ Py_ssize_t len, x1, x2, xs, y1, y2, ys;
+
+ if (w == NULL) {
+ PyErr_SetString(PyExc_TypeError, "can't delete subscripts");
+ return -1;
+ }
+
+ if (!PyString_Check(w)) {
+ PyErr_SetString(PyExc_TypeError, "must assign string to subscript");
+ return -1;
+ }
+
+ if (!PyTuple_Check(v) || PyTuple_Size(v) != 2) {
+ PyErr_SetString(PyExc_TypeError, "subscript must be a 2-tuple");
+ return -1;
+ }
+
+ if (!PyArg_ParseTuple(v, "OO", &x, &y))
+ return -1;
+
+ buf = (const guchar *)PyString_AsString(w);
+ len = PyString_Size(w);
+ if (!buf || len > INT_MAX) {
+ return -1;
+ }
+
+ if (PyInt_Check(x)) {
+ x1 = PyInt_AsSsize_t(x);
+ if (x1 < pr->x || x1 >= pr->x + pr->w) {
+ PyErr_SetString(PyExc_IndexError, "x subscript out of range");
+ return -1;
+ }
+
+ if (PyInt_Check(y)) {
+ y1 = PyInt_AsSsize_t(y);
+
+ if (y1 < pr->y || y1 >= pr->y + pr->h) {
+ PyErr_SetString(PyExc_IndexError, "y subscript out of range");
+ return -1;
+ }
+
+ if (len != pr->bpp) {
+ PyErr_SetString(PyExc_TypeError, "string is wrong length");
+ return -1;
+ }
+ gimp_pixel_rgn_set_pixel(pr, buf, x1, y1);
+
+ } else if (PySlice_Check(y)) {
+ if (PySlice_GetIndices((PySliceObject *)y, pr->y + pr->h,
+ &y1, &y2, &ys) ||
+ y1 >= y2 || ys != 1) {
+ PyErr_SetString(PyExc_IndexError, "invalid y slice");
+ return -1;
+ }
+ if (y1 == 0)
+ y1 = pr->y;
+
+ if(y1 < pr->y || y2 < pr->y) {
+ PyErr_SetString(PyExc_IndexError, "y subscript out of range");
+ return -1;
+ }
+ if (len != pr->bpp * (y2 - y1)) {
+ PyErr_SetString(PyExc_TypeError, "string is wrong length");
+ return -1;
+ }
+ gimp_pixel_rgn_set_col(pr, buf, x1, y1, y2 - y1);
+
+ } else {
+ PyErr_SetString(PyExc_IndexError,"invalid y subscript");
+ return -1;
+ }
+ } else if (PySlice_Check(x)) {
+ if (PySlice_GetIndices((PySliceObject *)x, pr->x + pr->w,
+ &x1, &x2, &xs) ||
+ x1 >= x2 || xs != 1) {
+ PyErr_SetString(PyExc_IndexError, "invalid x slice");
+ return -1;
+ }
+ if(x1 == 0)
+ x1 = pr->x;
+
+ if(x1 < pr->x || x2 < pr->x) {
+ PyErr_SetString(PyExc_IndexError, "x subscript out of range");
+ return -1;
+ }
+
+ if (PyInt_Check(y)) {
+ y1 = PyInt_AsSsize_t(y);
+
+ if (y1 < pr->y || y1 >= pr->y + pr->h) {
+ PyErr_SetString(PyExc_IndexError, "y subscript out of range");
+ return -1;
+ }
+
+ if (len != pr->bpp * (x2 - x1)) {
+ PyErr_SetString(PyExc_TypeError, "string is wrong length");
+ return -1;
+ }
+ gimp_pixel_rgn_set_row(pr, buf, x1, y1, x2 - x1);
+
+ } else if (PySlice_Check(y)) {
+ if (PySlice_GetIndices((PySliceObject *)y, pr->y + pr->h,
+ &y1, &y2, &ys) ||
+ y1 >= y2 || ys != 1) {
+ PyErr_SetString(PyExc_IndexError, "invalid y slice");
+ return -1;
+ }
+ if (y1 == 0)
+ y1 = pr->y;
+
+ if(y1 < pr->y || y2 < pr->y) {
+ PyErr_SetString(PyExc_IndexError, "y subscript out of range");
+ return -1;
+ }
+ if (len != pr->bpp * (x2 - x1) * (y2 - y1)) {
+ PyErr_SetString(PyExc_TypeError, "string is wrong length");
+ return -1;
+ }
+ gimp_pixel_rgn_set_rect(pr, buf, x1, y1, x2 - x1, y2 - y1);
+
+ } else {
+ PyErr_SetString(PyExc_IndexError,"invalid y subscript");
+ return -1;
+ }
+ } else {
+ PyErr_SetString(PyExc_TypeError, "invalid x subscript");
+ return -1;
+ }
+ return 0;
+}
+
+static PyMappingMethods pr_as_mapping = {
+ pr_length, /*mp_length*/
+ (binaryfunc)pr_subscript, /*mp_subscript*/
+ (objobjargproc)pr_ass_sub, /*mp_ass_subscript*/
+};
+
+/* -------------------------------------------------------- */
+
+static PyObject *
+pr_get_drawable(PyGimpPixelRgn *self, void *closure)
+{
+ return pygimp_drawable_new(self->pr.drawable, 0);
+}
+
+static PyObject *
+pr_get_uint_field(PyGimpPixelRgn *self, void *closure)
+{
+ gint offset = GPOINTER_TO_INT(closure);
+ guint value;
+ gchar *addr;
+
+ addr = (gchar *)&self->pr;
+ addr += offset;
+ value = *(guint *)addr;
+
+ return PyInt_FromLong(value);
+}
+
+static PyObject *
+pr_get_dirty(PyGimpPixelRgn *self, void *closure)
+{
+ return PyBool_FromLong(self->pr.dirty);
+}
+
+static PyObject *
+pr_get_shadow(PyGimpPixelRgn *self, void *closure)
+{
+ return PyBool_FromLong(self->pr.shadow);
+}
+
+#define OFF(x) GINT_TO_POINTER(offsetof(GimpPixelRgn, x))
+static PyGetSetDef pr_getsets[] = {
+ { "drawable", (getter)pr_get_drawable, 0, NULL },
+ { "bpp", (getter)pr_get_uint_field, 0, NULL, OFF(bpp) },
+ { "rowstride", (getter)pr_get_uint_field, 0, NULL, OFF(rowstride) },
+ { "x", (getter)pr_get_uint_field, 0, NULL, OFF(x) },
+ { "y", (getter)pr_get_uint_field, 0, NULL, OFF(y) },
+ { "w", (getter)pr_get_uint_field, 0, NULL, OFF(w) },
+ { "h", (getter)pr_get_uint_field, 0, NULL, OFF(h) },
+ { "dirty", (getter)pr_get_dirty, 0, NULL },
+ { "shadow", (getter)pr_get_shadow, 0, NULL },
+ { NULL, (getter)0, (setter)0 },
+};
+#undef OFF
+
+static PyObject *
+pr_repr(PyGimpPixelRgn *self)
+{
+ PyObject *s;
+ gchar *name;
+
+ name = gimp_item_get_name(self->drawable->drawable->drawable_id);
+ s = PyString_FromFormat("<gimp.PixelRgn for drawable '%s'>", name);
+ g_free(name);
+
+ return s;
+}
+
+PyTypeObject PyGimpPixelRgn_Type = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* ob_size */
+ "gimp.PixelRgn", /* tp_name */
+ sizeof(PyGimpPixelRgn), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ /* methods */
+ (destructor)pr_dealloc, /* tp_dealloc */
+ (printfunc)0, /* tp_print */
+ (getattrfunc)0, /* tp_getattr */
+ (setattrfunc)0, /* tp_setattr */
+ (cmpfunc)0, /* tp_compare */
+ (reprfunc)pr_repr, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ &pr_as_mapping, /* tp_as_mapping */
+ (hashfunc)0, /* tp_hash */
+ (ternaryfunc)0, /* tp_call */
+ (reprfunc)0, /* tp_str */
+ (getattrofunc)0, /* tp_getattro */
+ (setattrofunc)0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT, /* tp_flags */
+ NULL, /* Documentation string */
+ (traverseproc)0, /* tp_traverse */
+ (inquiry)0, /* tp_clear */
+ (richcmpfunc)0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ (getiterfunc)0, /* tp_iter */
+ (iternextfunc)0, /* tp_iternext */
+ pr_methods, /* tp_methods */
+ 0, /* tp_members */
+ pr_getsets, /* tp_getset */
+ (PyTypeObject *)0, /* tp_base */
+ (PyObject *)0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ (initproc)0, /* tp_init */
+ (allocfunc)0, /* tp_alloc */
+ (newfunc)0, /* tp_new */
+};
+
+static PyObject *
+pf_get_pixel(PyGimpPixelFetcher *self, PyObject *args, PyObject *kwargs)
+{
+ int x, y;
+ guchar pixel[4];
+ static char *kwlist[] = { "x", "y", NULL };
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+ "ii:get_pixel", kwlist,
+ &x, &y))
+ return NULL;
+
+ gimp_pixel_fetcher_get_pixel(self->pf, x, y, pixel);
+
+ return PyString_FromStringAndSize((char *)pixel, self->bpp);
+}
+
+static PyObject *
+pf_put_pixel(PyGimpPixelFetcher *self, PyObject *args, PyObject *kwargs)
+{
+ int x, y, len;
+ guchar *pixel;
+ static char *kwlist[] = { "x", "y", "pixel", NULL };
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+ "iis#:put_pixel", kwlist,
+ &x, &y, &pixel, &len))
+ return NULL;
+
+ if (len != self->bpp) {
+ PyErr_Format(PyExc_TypeError, "pixel must be %d bpp", self->bpp);
+ return NULL;
+ }
+
+ gimp_pixel_fetcher_put_pixel(self->pf, x, y, pixel);
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static PyMethodDef pf_methods[] = {
+ {"get_pixel", (PyCFunction)pf_get_pixel, METH_VARARGS | METH_KEYWORDS},
+ {"put_pixel", (PyCFunction)pf_put_pixel, METH_VARARGS | METH_KEYWORDS},
+ {NULL, NULL}
+};
+
+static int
+pf_length(PyGimpPixelFetcher *self)
+{
+ PyErr_SetString(pygimp_error, "Can't get size of pixel fetcher");
+ return -1;
+}
+
+static PyObject *
+pf_subscript(PyGimpPixelFetcher *self, PyObject *key)
+{
+ PyObject *py_x, *py_y;
+ int x, y;
+ guchar pixel[4];
+
+ if (!PyTuple_Check(key) || PyTuple_Size(key) != 2) {
+ PyErr_SetString(PyExc_TypeError, "subscript must be a 2-tuple");
+ return NULL;
+ }
+
+ if (!PyArg_ParseTuple(key, "OO", &py_x, &py_y))
+ return NULL;
+
+ if (PyInt_Check(py_x)) {
+ if (PyInt_Check(py_y)) {
+ x = PyInt_AsLong(py_x);
+ y = PyInt_AsLong(py_y);
+
+ gimp_pixel_fetcher_get_pixel(self->pf, x, y, pixel);
+ return PyString_FromStringAndSize((char *)pixel, self->bpp);
+ } else {
+ PyErr_SetString(PyExc_TypeError, "invalid y subscript");
+ return NULL;
+ }
+ } else {
+ PyErr_SetString(PyExc_TypeError, "invalid x subscript");
+ return NULL;
+ }
+}
+
+static int
+pf_ass_sub(PyGimpPixelFetcher *self, PyObject *v, PyObject *w)
+{
+ PyObject *py_x, *py_y;
+ int x, y, len;
+ guchar *pixel;
+
+ if (w == NULL) {
+ PyErr_SetString(PyExc_TypeError, "can't delete subscripts");
+ return -1;
+ }
+
+ if (!PyString_Check(w)) {
+ PyErr_SetString(PyExc_TypeError, "must assign string to subscript");
+ return -1;
+ }
+
+ if (!PyTuple_Check(v) || PyTuple_Size(v) != 2) {
+ PyErr_SetString(PyExc_TypeError, "subscript must be a 2-tuple");
+ return -1;
+ }
+
+ if (!PyArg_ParseTuple(v, "OO", &py_x, &py_y))
+ return -1;
+
+ pixel = (guchar *)PyString_AsString(w);
+ len = PyString_Size(w);
+
+ if (len != self->bpp) {
+ PyErr_Format(PyExc_TypeError, "pixel must be %d bpp", self->bpp);
+ return -1;
+ }
+
+ if (PyInt_Check(py_x)) {
+ if (PyInt_Check(py_y)) {
+ x = PyInt_AsLong(py_x);
+ y = PyInt_AsLong(py_y);
+
+ gimp_pixel_fetcher_put_pixel(self->pf, x, y, pixel);
+ return 0;
+ } else {
+ PyErr_SetString(PyExc_TypeError, "invalid y subscript");
+ return -1;
+ }
+ } else {
+ PyErr_SetString(PyExc_TypeError, "invalid x subscript");
+ return -1;
+ }
+}
+
+static PyMappingMethods pf_as_mapping = {
+ (lenfunc)pf_length,
+ (binaryfunc)pf_subscript,
+ (objobjargproc)pf_ass_sub,
+};
+
+static PyObject *
+pf_get_bg_color(PyGimpPixelFetcher *self, void *closure)
+{
+ return pygimp_rgb_new(&self->bg_color);
+}
+
+static int
+pf_set_bg_color(PyGimpPixelFetcher *self, PyObject *value, void *closure)
+{
+ if (value == NULL) {
+ PyErr_SetString(PyExc_TypeError, "cannot delete bg_color");
+ return -1;
+ }
+
+ if (!pygimp_rgb_from_pyobject(value, &self->bg_color))
+ return -1;
+
+ gimp_pixel_fetcher_set_bg_color(self->pf, &self->bg_color);
+
+ return 0;
+}
+
+static PyObject *
+pf_get_edge_mode(PyGimpPixelFetcher *self, void *closure)
+{
+ return PyInt_FromLong(self->edge_mode);
+}
+
+static int
+pf_set_edge_mode(PyGimpPixelFetcher *self, PyObject *value, void *closure)
+{
+ if (value == NULL) {
+ PyErr_SetString(PyExc_TypeError, "cannot delete edge_mode");
+ return -1;
+ }
+
+ if (!PyInt_Check(value)) {
+ PyErr_SetString(PyExc_TypeError, "type mismatch");
+ return -1;
+ }
+
+ self->edge_mode = PyInt_AsLong(value);
+
+ gimp_pixel_fetcher_set_edge_mode(self->pf, self->edge_mode);
+
+ return 0;
+}
+
+static PyGetSetDef pf_getsets[] = {
+ { "bg_color", (getter)pf_get_bg_color, (setter)pf_set_bg_color },
+ { "edge_mode", (getter)pf_get_edge_mode, (setter)pf_set_edge_mode },
+ { NULL, (getter)0, (setter)0 }
+};
+
+static void
+pf_dealloc(PyGimpPixelFetcher *self)
+{
+ gimp_pixel_fetcher_destroy(self->pf);
+
+ Py_XDECREF(self->drawable);
+
+ PyObject_DEL(self);
+}
+
+static PyObject *
+pf_repr(PyGimpPixelFetcher *self)
+{
+ PyObject *s;
+ char *name;
+
+ name = gimp_item_get_name(self->drawable->drawable->drawable_id);
+
+ if (self->shadow)
+ s = PyString_FromFormat("<gimp.PixelFetcher for drawable '%s' (shadow)>", name);
+ else
+ s = PyString_FromFormat("<gimp.PixelFetcher for drawable '%s'>", name);
+
+ g_free(name);
+
+ return s;
+}
+
+static int
+pf_init(PyGimpPixelFetcher *self, PyObject *args, PyObject *kwargs)
+{
+ PyGimpDrawable *drw;
+ gboolean shadow = FALSE;
+ GimpRGB bg_color = { 0.0, 0.0, 0.0, 1.0 };
+ GimpPixelFetcherEdgeMode edge_mode = GIMP_PIXEL_FETCHER_EDGE_NONE;
+ static char *kwlist[] = { "drawable", "shadow", "bg_color", "edge_mode",
+ NULL };
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwargs,
+ "O!|iO&i:gimp.PixelFetcher.__init__",
+ kwlist,
+ &PyGimpDrawable_Type, &drw, &shadow,
+ pygimp_rgb_from_pyobject, &bg_color,
+ &edge_mode))
+ return -1;
+
+ if(!drw->drawable)
+ drw->drawable = gimp_drawable_get(drw->ID);
+
+ self->pf = gimp_pixel_fetcher_new(drw->drawable, shadow);
+
+ Py_INCREF(drw);
+ self->drawable = drw;
+
+ self->shadow = shadow;
+ self->bg_color = bg_color;
+ self->edge_mode = edge_mode;
+
+ self->bpp = gimp_drawable_bpp(drw->drawable->drawable_id);
+
+ gimp_pixel_fetcher_set_bg_color(self->pf, &bg_color);
+ gimp_pixel_fetcher_set_edge_mode(self->pf, edge_mode);
+
+ return 0;
+}
+
+PyTypeObject PyGimpPixelFetcher_Type = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* ob_size */
+ "gimp.PixelFetcher", /* tp_name */
+ sizeof(PyGimpPixelFetcher), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ /* methods */
+ (destructor)pf_dealloc, /* tp_dealloc */
+ (printfunc)0, /* tp_print */
+ (getattrfunc)0, /* tp_getattr */
+ (setattrfunc)0, /* tp_setattr */
+ (cmpfunc)0, /* tp_compare */
+ (reprfunc)pf_repr, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ &pf_as_mapping, /* tp_as_mapping */
+ (hashfunc)0, /* tp_hash */
+ (ternaryfunc)0, /* tp_call */
+ (reprfunc)0, /* tp_str */
+ (getattrofunc)0, /* tp_getattro */
+ (setattrofunc)0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT, /* tp_flags */
+ NULL, /* Documentation string */
+ (traverseproc)0, /* tp_traverse */
+ (inquiry)0, /* tp_clear */
+ (richcmpfunc)0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ (getiterfunc)0, /* tp_iter */
+ (iternextfunc)0, /* tp_iternext */
+ pf_methods, /* tp_methods */
+ 0, /* tp_members */
+ pf_getsets, /* tp_getset */
+ (PyTypeObject *)0, /* tp_base */
+ (PyObject *)0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ (initproc)pf_init, /* tp_init */
+ (allocfunc)0, /* tp_alloc */
+ (newfunc)0, /* tp_new */
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 02:13:00 +0000