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ImageMagick wrapper: Add API to get and set stroke and fill colors on a drawing wand

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This commit is contained in:
Kovid Goyal 2011-03-08 15:34:41 -07:00
parent 484caafc32
commit 14717a5e92
2 changed files with 102 additions and 0 deletions
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20
src/calibre/utils/magick/__init__.py
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@ -95,6 +95,26 @@ class DrawingWand(_magick.DrawingWand): # {{{
self.font_size_ = float(val)
return property(fget=fget, fset=fset, doc=_magick.DrawingWand.font_size_.__doc__)
@dynamic_property
def stroke_color(self):
def fget(self):
return self.stroke_color_.color
def fset(self, val):
col = PixelWand()
col.color = unicode(val)
self.stroke_color_ = col
return property(fget=fget, fset=fset, doc=_magick.DrawingWand.font_size_.__doc__)
@dynamic_property
def fill_color(self):
def fget(self):
return self.fill_color_.color
def fset(self, val):
col = PixelWand()
col.color = unicode(val)
self.fill_color_ = col
return property(fget=fget, fset=fset, doc=_magick.DrawingWand.font_size_.__doc__)
# }}}
class Image(_magick.Image): # {{{

82
src/calibre/utils/magick/magick.c
View File

@ -263,6 +263,78 @@ magick_DrawingWand_fontsize_setter(magick_DrawingWand *self, PyObject *val, void
// }}}
// DrawingWand.stroke_color {{{
static PyObject *
magick_DrawingWand_stroke_color_getter(magick_DrawingWand *self, void *closure) {
NULL_CHECK(NULL)
magick_PixelWand *pw;
PixelWand *wand = NewPixelWand();
if (wand == NULL) return PyErr_NoMemory();
DrawGetStrokeColor(self->wand, wand);
pw = (magick_PixelWand*) magick_PixelWandType.tp_alloc(&magick_PixelWandType, 0);
if (pw == NULL) return PyErr_NoMemory();
pw->wand = wand;
return Py_BuildValue("O", (PyObject *)pw);
}
static int
magick_DrawingWand_stroke_color_setter(magick_DrawingWand *self, PyObject *val, void *closure) {
NULL_CHECK(-1)
if (val == NULL) {
PyErr_SetString(PyExc_TypeError, "Cannot delete DrawingWand stroke color");
return -1;
}
magick_PixelWand *pw;
pw = (magick_PixelWand*)val;
if (!IsPixelWand(pw->wand)) { PyErr_SetString(PyExc_TypeError, "Invalid PixelWand"); return -1; }
DrawSetStrokeColor(self->wand, pw->wand);
return 0;
}
// }}}
// DrawingWand.fill_color {{{
static PyObject *
magick_DrawingWand_fill_color_getter(magick_DrawingWand *self, void *closure) {
NULL_CHECK(NULL)
magick_PixelWand *pw;
PixelWand *wand = NewPixelWand();
if (wand == NULL) return PyErr_NoMemory();
DrawGetFillColor(self->wand, wand);
pw = (magick_PixelWand*) magick_PixelWandType.tp_alloc(&magick_PixelWandType, 0);
if (pw == NULL) return PyErr_NoMemory();
pw->wand = wand;
return Py_BuildValue("O", (PyObject *)pw);
}
static int
magick_DrawingWand_fill_color_setter(magick_DrawingWand *self, PyObject *val, void *closure) {
NULL_CHECK(-1)
if (val == NULL) {
PyErr_SetString(PyExc_TypeError, "Cannot delete DrawingWand fill color");
return -1;
}
magick_PixelWand *pw;
pw = (magick_PixelWand*)val;
if (!IsPixelWand(pw->wand)) { PyErr_SetString(PyExc_TypeError, "Invalid PixelWand"); return -1; }
DrawSetFillColor(self->wand, pw->wand);
return 0;
}
// }}}
// DrawingWand.text_antialias {{{
static PyObject *
magick_DrawingWand_textantialias_getter(magick_DrawingWand *self, void *closure) {
@ -336,6 +408,16 @@ static PyGetSetDef magick_DrawingWand_getsetters[] = {
(char *)"DrawingWand fontsize",
NULL},
{(char *)"stroke_color_",
(getter)magick_DrawingWand_stroke_color_getter, (setter)magick_DrawingWand_stroke_color_setter,
(char *)"DrawingWand stroke color",
NULL},
{(char *)"fill_color_",
(getter)magick_DrawingWand_fill_color_getter, (setter)magick_DrawingWand_fill_color_setter,
(char *)"DrawingWand fill color",
NULL},
{(char *)"text_antialias",
(getter)magick_DrawingWand_textantialias_getter, (setter)magick_DrawingWand_textantialias_setter,
(char *)"DrawingWand text antialias",