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Allowing to pass font as file-like objects

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This commit is contained in:
Nicolas Pieuchot 2013-04-22 11:48:06 +02:00
parent d1c6db88d4
commit ed9945c71f
2 changed files with 19 additions and 11 deletions
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10
PIL/ImageFont.py
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@ -129,9 +129,9 @@ class ImageFont:
class FreeTypeFont: class FreeTypeFont:
"FreeType font wrapper (requires _imagingft service)" "FreeType font wrapper (requires _imagingft service)"
def __init__(self, file, size, index=0, encoding=""): def __init__(self, file=None, size=10, index=0, encoding="", file_like=None):
# FIXME: use service provider instead # FIXME: use service provider instead
self.font = core.getfont(file, size, index, encoding) self.font = core.getfont(file, size, index, encoding, file_like)
def getname(self): def getname(self):
return self.font.family, self.font.style return self.font.family, self.font.style
@ -212,10 +212,10 @@ def load(filename):
# @return A font object. # @return A font object.
# @exception IOError If the file could not be read. # @exception IOError If the file could not be read.
def truetype(filename, size, index=0, encoding=""): def truetype(filename=None, size=10, index=0, encoding="", file_like=None):
"Load a truetype font file." "Load a truetype font file."
try: try:
return FreeTypeFont(filename, size, index, encoding) return FreeTypeFont(filename, size, index, encoding, file_like)
except IOError: except IOError:
if sys.platform == "win32": if sys.platform == "win32":
# check the windows font repository # check the windows font repository
@ -224,7 +224,7 @@ def truetype(filename, size, index=0, encoding=""):
windir = os.environ.get("WINDIR") windir = os.environ.get("WINDIR")
if windir: if windir:
filename = os.path.join(windir, "fonts", filename) filename = os.path.join(windir, "fonts", filename)
return FreeTypeFont(filename, size, index, encoding) return FreeTypeFont(filename, size, index, encoding, file_like)
raise raise
## ##

18
_imagingft.c
View File

@ -99,17 +99,18 @@ getfont(PyObject* self_, PyObject* args, PyObject* kw)
FontObject* self; FontObject* self;
int error; int error;
char* filename; char* filename = NULL;
int size; int size;
int index = 0; int index = 0;
unsigned char* encoding = NULL; unsigned char* encoding = NULL;
Py_buffer file_like;
static char* kwlist[] = { static char* kwlist[] = {
"filename", "size", "index", "encoding", NULL "filename", "size", "index", "encoding", "file_like", NULL
}; };
if (!PyArg_ParseTupleAndKeywords(args, kw, "eti|is", kwlist, if (!PyArg_ParseTupleAndKeywords(args, kw, "eti|isz*", kwlist,
Py_FileSystemDefaultEncoding, &filename, Py_FileSystemDefaultEncoding, &filename,
&size, &index, &encoding)) &size, &index, &encoding, &file_like))
return NULL; return NULL;
if (!library) { if (!library) {
@ -124,7 +125,11 @@ getfont(PyObject* self_, PyObject* args, PyObject* kw)
if (!self) if (!self)
return NULL; return NULL;
error = FT_New_Face(library, filename, index, &self->face); if (filename && file_like.len<0) {
error = FT_New_Face(library, filename, index, &self->face);
} else {
error = FT_New_Memory_Face(library, (FT_Byte*)file_like.buf, file_like.len, index, &self->face);
}
if (!error) if (!error)
error = FT_Set_Pixel_Sizes(self->face, 0, size); error = FT_Set_Pixel_Sizes(self->face, 0, size);
@ -137,6 +142,9 @@ getfont(PyObject* self_, PyObject* args, PyObject* kw)
} }
if (error) { if (error) {
if(file_like.len < 0) {
PyBuffer_Release(&file_like);
}
PyObject_Del(self); PyObject_Del(self);
return geterror(error); return geterror(error);
} }