def test_new_from_data_zero_size():
'''
Attempts to create zero-size pixbufs should raise RuntimeError.
:bug: #584769
'''
try:
gdk.pixbuf_new_from_data('', gdk.COLORSPACE_RGB, False, 8, 0, 0, 0)
assert False
except RuntimeError:
assert True
def set_icon_from_data(self,
pixels,
has_alpha,
w,
h,
rowstride,
options={}):
#use a temporary file (yuk)
try:
from gtk import gdk
except:
#no gtk.gdk... no can do
return
import tempfile
try:
_, filename = tempfile.mkstemp(suffix="png")
log("set_icon_from_data%s using temporary file %s",
("%s pixels" % len(pixels), has_alpha, w, h, rowstride),
filename)
tray_icon = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB,
has_alpha, 8, w, h, rowstride)
tray_icon.save(filename, "png")
self.do_set_icon_from_file(filename)
finally:
os.unlink(filename)
def image_from_ndarray(array, format, size = None):
"""
Creates an Image from a numpy ndarray object. The format
may be 'RGB' or 'RGBA'. If a size is specified, the array
will be implicitly reshaped to that size, otherwise the size
is inferred from the first two dimensions of the array.
"""
if array.itemsize <> 1:
raise ValueError("Color component size must be 1 byte")
if size is None:
shape = array.shape
if len(shape) <> 3:
raise ValueError("Array has wrong number of dimensions")
width, height, pixel_size = shape
if pixel_size <> len(format):
raise ValueError("Last dimension of array does not match format")
else:
width, height = size
pixel_size = len(format)
data_size = array.size
if data_size <> width * height * pixel_size:
raise ValueError("Array has wrong shape for specified size and format")
alpha = pixel_size == 4
gdk_pixbuf = gdk.pixbuf_new_from_data(array, gdk.COLORSPACE_RGB, alpha,
8, width, height, width * pixel_size)
image = Image._from_gdk_pixbuf(gdk_pixbuf)
#image._data = array ###
return image
def make_cursor(self, cursor_data):
#if present, try cursor ny name:
if len(cursor_data)>=9 and cursor_names:
cursor_name = cursor_data[8]
if cursor_name:
gdk_cursor = cursor_names.get(cursor_name.upper())
if gdk_cursor is not None:
log("setting new cursor by name: %s=%s", cursor_name, gdk_cursor)
return gdk.Cursor(gdk_cursor)
else:
log("cursor name '%s' not found", cursor_name)
#create cursor from the pixel data:
w, h, xhot, yhot, serial, pixels = cursor_data[2:8]
if len(pixels)<w*h*4:
import binascii
log.warn("not enough pixels provided in cursor data: %s needed and only %s bytes found (%s)", w*h*4, len(pixels), binascii.hexlify(pixels)[:100])
return
pixbuf = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, True, 8, w, h, w * 4)
x = max(0, min(xhot, w-1))
y = max(0, min(yhot, h-1))
size = gdk.display_get_default().get_default_cursor_size()
log("new cursor at %s,%s with serial=%s, dimensions: %sx%s, len(pixels)=%s, default cursor size is %s", xhot,yhot, serial, w,h, len(pixels), size)
if size>0 and (size<w or size<h) and False:
ratio = float(max(w,h))/size
log("downscaling cursor by %.2f", ratio)
pixbuf = pixbuf.scale_simple(int(w/ratio), int(h/ratio), gdk.INTERP_BILINEAR)
x = int(x/ratio)
y = int(y/ratio)
return gdk.Cursor(gdk.display_get_default(), pixbuf, x, y)
def _mkbrushbt(self, frame, brush):
if brush.icon:
icon_image = gtk.image_new_from_file(brush.icon)
pixbuf = icon_image.get_pixbuf()
width = pixbuf.get_property('width')
height = pixbuf.get_property('height')
else:
self._drawbrush.set_from_brush(brush)
width = 128
height = 60
buf = self._drawbrush.paint_rgb_preview(
width, height, fmt=_pixbuf.FORMAT_RGBA8_NOA)
pixbuf = gdk.pixbuf_new_from_data(buf, gdk.COLORSPACE_RGB, True, 8,
buf.width, buf.height,
buf.stride)
icon_image = gtk.image_new_from_pixbuf(pixbuf)
bt = gtk.ToggleButton()
bt.set_image(icon_image)
bt.set_size_request(width + 15, height + 5)
bt.show_all()
bt.connect('clicked', self._on_brush_bt_clicked)
bt.connect('button-release-event', self._on_brush_bt_released)
bt.brush = brush
bt.bt2 = None # button in another page if it has been added
t = frame.table
x = t.count % TABLE_WIDTH
y = t.count / TABLE_WIDTH
frame.table.attach(bt, x, x + 1, y, y + 1, gtk.FILL, gtk.FILL, 1, 1)
t.count += 1
return bt
def image_from_ndarray(array, format, size=None):
"""
Creates an Image from a numpy ndarray object. The format
may be 'RGB' or 'RGBA'. If a size is specified, the array
will be implicitly reshaped to that size, otherwise the size
is inferred from the first two dimensions of the array.
"""
if array.itemsize <> 1:
raise ValueError("Color component size must be 1 byte")
if size is None:
shape = array.shape
if len(shape) <> 3:
raise ValueError("Array has wrong number of dimensions")
width, height, pixel_size = shape
if pixel_size <> len(format):
raise ValueError("Last dimension of array does not match format")
else:
width, height = size
pixel_size = len(format)
data_size = array.size
if data_size <> width * height * pixel_size:
raise ValueError(
"Array has wrong shape for specified size and format")
alpha = pixel_size == 4
gdk_pixbuf = gdk.pixbuf_new_from_data(array, gdk.COLORSPACE_RGB, alpha, 8,
width, height, width * pixel_size)
image = Image._from_gdk_pixbuf(gdk_pixbuf)
#image._data = array ###
return image
def _do_paint_rgb32(self, img_data, x, y, width, height, rowstride,
options):
has_alpha = options.boolget(
"has_alpha", False) or options.get("rgb_format", "").find("A") >= 0
if has_alpha:
img_data = self.unpremultiply(img_data)
if isinstance(img_data, (memoryview, _buffer, bytearray)):
img_data = memoryview_to_bytes(img_data)
if INDIRECT_BGR:
img_data, rowstride = self.bgr_to_rgb(
img_data, width, height, rowstride,
options.strget("rgb_format", ""), "RGBA")
if has_alpha:
#draw_rgb_32_image does not honour alpha, we have to use pixbuf:
pixbuf = gdk.pixbuf_new_from_data(img_data, gdk.COLORSPACE_RGB,
True, 8, width, height,
rowstride)
cr = self._backing.cairo_create()
cr.rectangle(x, y, width, height)
cr.set_source_pixbuf(pixbuf, x, y)
cr.set_operator(cairo.OPERATOR_SOURCE)
cr.paint()
else:
#no alpha or scaling is easier:
gc = self._backing.new_gc()
self._backing.draw_rgb_32_image(gc, x, y, width, height,
gdk.RGB_DITHER_NONE, img_data,
rowstride)
if self.paint_box_line_width > 0:
self.paint_box(x, y, width, height, options)
return True
def set_icon_from_data(self,
pixels,
has_alpha,
w,
h,
rowstride,
options={}):
tray_icon = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB,
has_alpha, 8, w, h, rowstride)
self.macapp.set_dock_icon_pixbuf(tray_icon)
def _do_paint_rgb32(self, img_data, x, y, width, height, rowstride, options):
#log.info("do_paint_rgb32(%s bytes, %s, %s, %s, %s, %s, %s, %s) backing depth=%s", len(img_data), x, y, width, height, rowstride, options, callbacks, self._backing.get_depth())
#log.info("data head=%s", [hex(ord(v))[2:] for v in list(img_data[:500])])
rgba = self.unpremultiply(img_data)
pixbuf = gdk.pixbuf_new_from_data(rgba, gtk.gdk.COLORSPACE_RGB, True, 8, width, height, rowstride)
cr = self._backing.cairo_create()
cr.rectangle(x, y, width, height)
cr.set_source_pixbuf(pixbuf, x, y)
cr.set_operator(cairo.OPERATOR_SOURCE)
cr.paint()
return True
def set_icon_from_data(self, pixels, has_alpha, w, h, rowstride):
#TODO: use native code somehow
import os
from gtk import gdk
try:
_, filename = tempfile.mkstemp(".ico", "temp")
tray_icon = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, has_alpha, 8, w, h, rowstride)
tray_icon.save(filename, "ico")
self.set_icon(filename)
finally:
os.unlink(filename)
def set_icon_from_data(self, pixels, has_alpha, w, h, rowstride):
# TODO: use native code somehow
import os
from gtk import gdk
try:
_, filename = tempfile.mkstemp(".ico", "temp")
tray_icon = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, has_alpha, 8, w, h, rowstride)
tray_icon.save(filename, "ico")
self.set_icon(filename)
finally:
os.unlink(filename)
def make_cursor(self, cursor_data):
#if present, try cursor ny name:
if len(cursor_data) >= 9 and cursor_names:
cursor_name = cursor_data[8]
if cursor_name:
gdk_cursor = cursor_names.get(cursor_name.upper())
if gdk_cursor is not None:
log("setting new cursor by name: %s=%s", cursor_name,
gdk_cursor)
return gdk.Cursor(gdk_cursor)
else:
global missing_cursor_names
if cursor_name not in missing_cursor_names:
log.warn("cursor name '%s' not found", cursor_name)
missing_cursor_names.add(cursor_name)
#create cursor from the pixel data:
w, h, xhot, yhot, serial, pixels = cursor_data[2:8]
if len(pixels) < w * h * 4:
import binascii
log.warn(
"not enough pixels provided in cursor data: %s needed and only %s bytes found (%s)",
w * h * 4, len(pixels),
binascii.hexlify(pixels)[:100])
return
pixbuf = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, True, 8,
w, h, w * 4)
x = max(0, min(xhot, w - 1))
y = max(0, min(yhot, h - 1))
display = gdk.display_get_default()
csize = display.get_default_cursor_size()
cmaxw, cmaxh = display.get_maximal_cursor_size()
if len(cursor_data) >= 11:
ssize = cursor_data[9]
smax = cursor_data[10]
log("server cursor sizes: default=%s, max=%s", ssize, smax)
log(
"new cursor at %s,%s with serial=%s, dimensions: %sx%s, len(pixels)=%s, default cursor size is %s, maximum=%s",
xhot, yhot, serial, w, h, len(pixels), csize, (cmaxw, cmaxh))
ratio = 1
if w > cmaxw or h > cmaxh or (csize > 0 and (csize < w or csize < h)):
ratio = max(
float(w) / cmaxw,
float(h) / cmaxh,
float(max(w, h)) / csize)
log("downscaling cursor by %.2f", ratio)
pixbuf = pixbuf.scale_simple(int(w / ratio), int(h / ratio),
gdk.INTERP_BILINEAR)
x = int(x / ratio)
y = int(y / ratio)
return gdk.Cursor(gdk.display_get_default(), pixbuf, x, y)
def set_icon_from_data(self, pixels, has_alpha, w, h, rowstride):
#use a temporary file (yuk)
try:
from gtk import gdk
except:
#no gtk.gdk... no can do
return
import tempfile
try:
_, filename = tempfile.mkstemp(suffix="png")
debug("set_icon_from_data%s using temporary file %s", ("%s pixels" % len(pixels), has_alpha, w, h, rowstride), filename)
tray_icon = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, has_alpha, 8, w, h, rowstride)
tray_icon.save(filename, "png")
self.do_set_icon_from_file(filename)
finally:
os.unlink(filename)
def draw_to_pixbuf(p, z, r, sel=None):
w, h = p.get_size()
zs = zooms[z]
m = zoom_rot_matrix(w, h, zs, r)
zw, zh = zoomed(w, zs), zoomed(h, zs)
if r == 1 or r == 3:
zw, zh = zh, zw
st = get_row_stride(zw)
surf = C.ImageSurface(FMT, zw, zh)
c = PopplerCtx(surf)
with drawingto(c):
c.set_source_rgb(1, 1, 1).rectangle(0, 0, zw, zh).fill()
c.set_matrix(m).page(p, sel)
pixels = surf.get_data()
changesex(pixels)
return GG.pixbuf_new_from_data(pixels, CSP, True, 8, zw, zh, st)
def image_from_pil_image(pil_image):
"""Creates an Image from a Python Imaging Library (PIL)
Image object."""
mode = pil_image.mode
w, h = pil_image.size
data = pil_image.tostring()
if mode == "RGB":
bps = 3; alpha = False
elif mode == "RGBA":
bps = 4; alpha = True
else:
raise ValueError("Unsupported PIL image mode '%s'" % mode)
bpr = w * bps
image = Image.__new__(Image)
image._gdk_pixbuf = gdk.pixbuf_new_from_data(data, COLORSPACE_RGB,
alpha, 8, w, h, bpr)
return image
def _do_paint_rgb32(self, img_data, x, y, width, height, rowstride, options, callbacks):
#log.debug("do_paint_rgb32(%s bytes, %s, %s, %s, %s, %s, %s, %s) backing depth=%s", len(img_data), x, y, width, height, rowstride, options, callbacks, self._backing.get_depth())
#log.info("data head=%s", [hex(ord(v))[2:] for v in list(img_data[:500])])
if self._backing is None:
return False
from xpra.codecs.argb.argb import unpremultiply_argb, unpremultiply_argb_in_place, byte_buffer_to_buffer #@UnresolvedImport
if type(img_data)==str or not hasattr(img_data, "raw"):
#cannot do in-place:
img_data = byte_buffer_to_buffer(unpremultiply_argb(img_data))
else:
#assume this is a writeable buffer (ie: ctypes from mmap):
unpremultiply_argb_in_place(img_data)
pixbuf = gdk.pixbuf_new_from_data(img_data, gtk.gdk.COLORSPACE_RGB, True, 8, width, height, rowstride)
cr = self._backing.cairo_create()
cr.rectangle(x, y, width, height)
cr.set_source_pixbuf(pixbuf, x, y)
cr.set_operator(cairo.OPERATOR_SOURCE)
cr.paint()
return True
def image_from_pil_image(pil_image):
"""Creates an Image from a Python Imaging Library (PIL)
Image object."""
mode = pil_image.mode
w, h = pil_image.size
data = pil_image.tostring()
if mode == "RGB":
bps = 3
alpha = False
elif mode == "RGBA":
bps = 4
alpha = True
else:
raise ValueError("Unsupported PIL image mode '%s'" % mode)
bpr = w * bps
image = Image.__new__(Image)
image._gdk_pixbuf = gdk.pixbuf_new_from_data(data, COLORSPACE_RGB, alpha,
8, w, h, bpr)
return image
def _do_paint_rgb32(self, img_data, x, y, width, height, rowstride, options):
has_alpha = options.boolget("has_alpha", False) or options.get("rgb_format", "").find("A")>=0
if has_alpha:
img_data = self.unpremultiply(img_data)
img_data = memoryview_to_bytes(img_data)
if INDIRECT_BGR:
img_data, rowstride = self.bgr_to_rgb(img_data, width, height, rowstride, options.strget("rgb_format", ""), "RGBA")
if has_alpha:
#draw_rgb_32_image does not honour alpha, we have to use pixbuf:
pixbuf = gdk.pixbuf_new_from_data(img_data, gdk.COLORSPACE_RGB, True, 8, width, height, rowstride)
cr = self._backing.cairo_create()
cr.rectangle(x, y, width, height)
cr.set_source_pixbuf(pixbuf, x, y)
cr.set_operator(cairo.OPERATOR_SOURCE)
cr.paint()
else:
#no alpha or scaling is easier:
gc = self._backing.new_gc()
self._backing.draw_rgb_32_image(gc, x, y, width, height, gdk.RGB_DITHER_NONE, img_data, rowstride)
return True
def refresh_brush(self, bt):
bt = bt.allbt
brush = bt.brush
self._drawbrush.set_from_brush(brush)
width = 128
height = 60
buf = self._drawbrush.paint_rgb_preview(width,
height,
fmt=_pixbuf.FORMAT_RGBA8_NOA)
pixbuf = gdk.pixbuf_new_from_data(buf, gdk.COLORSPACE_RGB, True, 8,
buf.width, buf.height, buf.stride)
icon_image = gtk.image_new_from_pixbuf(pixbuf)
bt.set_image(icon_image)
bt.set_size_request(width + 15, height + 5)
if bt.bt2:
bt.bt2.set_image(icon_image)
bt.bt2.set_size_request(width + 15, height + 5)
bt.show_all()
def _do_paint_rgb32(self, img_data, x, y, width, height, rowstride,
options, callbacks):
#log.debug("do_paint_rgb32(%s bytes, %s, %s, %s, %s, %s, %s, %s) backing depth=%s", len(img_data), x, y, width, height, rowstride, options, callbacks, self._backing.get_depth())
#log.info("data head=%s", [hex(ord(v))[2:] for v in list(img_data[:500])])
if self._backing is None:
return False
from xpra.codecs.argb.argb import unpremultiply_argb, unpremultiply_argb_in_place, byte_buffer_to_buffer #@UnresolvedImport
if type(img_data) == str or not hasattr(img_data, "raw"):
#cannot do in-place:
img_data = byte_buffer_to_buffer(unpremultiply_argb(img_data))
else:
#assume this is a writeable buffer (ie: ctypes from mmap):
unpremultiply_argb_in_place(img_data)
pixbuf = gdk.pixbuf_new_from_data(img_data, gtk.gdk.COLORSPACE_RGB,
True, 8, width, height, rowstride)
cr = self._backing.cairo_create()
cr.rectangle(x, y, width, height)
cr.set_source_pixbuf(pixbuf, x, y)
cr.set_operator(cairo.OPERATOR_SOURCE)
cr.paint()
return True
def draw_on_canvas(self,widget,time):
#create pixbuf to store data from iplimage
#image processing part
frame=cv.QueryFrame(cap)
print frame
cv.CvtColor(frame,frame,cv.CV_BGR2RGB)
cv.Flip(frame,frame,1)
print "copying to pixbuff..."
pixbuf=gdk.pixbuf_new_from_data(frame.tostring(),gdk.COLORSPACE_RGB,False,frame.depth,frame.width,frame.height,1500)
print pixbuf
display=self.canvas.window
img=gdk.Image(gdk.IMAGE_FASTEST,display.get_visual(),640,480)
print display
#display.draw_image(display.new_gc(),img,0,0,0,0,-1,-1)
display.draw_rgb_image(display.new_gc(),0,0,640,480,gdk.RGB_DITHER_NONE,frame.tostring(),1920)
print "drawing...."
return True
def make_cursor(self, cursor_data):
#if present, try cursor ny name:
if len(cursor_data)>=9 and cursor_names:
cursor_name = cursor_data[8]
if cursor_name:
gdk_cursor = cursor_names.get(cursor_name.upper())
if gdk_cursor is not None:
log("setting new cursor by name: %s=%s", cursor_name, gdk_cursor)
return gdk.Cursor(gdk_cursor)
else:
global missing_cursor_names
if cursor_name not in missing_cursor_names:
log.warn("cursor name '%s' not found", cursor_name)
missing_cursor_names.add(cursor_name)
#create cursor from the pixel data:
w, h, xhot, yhot, serial, pixels = cursor_data[2:8]
if len(pixels)<w*h*4:
import binascii
log.warn("not enough pixels provided in cursor data: %s needed and only %s bytes found (%s)", w*h*4, len(pixels), binascii.hexlify(pixels)[:100])
return
pixbuf = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, True, 8, w, h, w * 4)
x = max(0, min(xhot, w-1))
y = max(0, min(yhot, h-1))
display = gdk.display_get_default()
csize = display.get_default_cursor_size()
cmaxw, cmaxh = display.get_maximal_cursor_size()
if len(cursor_data)>=11:
ssize = cursor_data[9]
smax = cursor_data[10]
log("server cursor sizes: default=%s, max=%s", ssize, smax)
log("new cursor at %s,%s with serial=%s, dimensions: %sx%s, len(pixels)=%s, default cursor size is %s, maximum=%s", xhot,yhot, serial, w,h, len(pixels), csize, (cmaxw, cmaxh))
ratio = 1
if w>cmaxw or h>cmaxh or (csize>0 and (csize<w or csize<h)):
ratio = max(float(w)/cmaxw, float(h)/cmaxh, float(max(w,h))/csize)
log("downscaling cursor by %.2f", ratio)
pixbuf = pixbuf.scale_simple(int(w/ratio), int(h/ratio), gdk.INTERP_BILINEAR)
x = int(x/ratio)
y = int(y/ratio)
return gdk.Cursor(gdk.display_get_default(), pixbuf, x, y)
def make_cursor(self, cursor_data):
#if present, try cursor ny name:
if len(cursor_data) >= 9 and cursor_names:
cursor_name = cursor_data[8]
if cursor_name:
gdk_cursor = cursor_names.get(cursor_name.upper())
if gdk_cursor is not None:
log("setting new cursor by name: %s=%s", cursor_name,
gdk_cursor)
return gdk.Cursor(gdk_cursor)
else:
log("cursor name '%s' not found", cursor_name)
#create cursor from the pixel data:
w, h, xhot, yhot, serial, pixels = cursor_data[2:8]
if len(pixels) < w * h * 4:
import binascii
log.warn(
"not enough pixels provided in cursor data: %s needed and only %s bytes found (%s)",
w * h * 4, len(pixels),
binascii.hexlify(pixels)[:100])
return
pixbuf = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, True, 8,
w, h, w * 4)
x = max(0, min(xhot, w - 1))
y = max(0, min(yhot, h - 1))
size = gdk.display_get_default().get_default_cursor_size()
log(
"new cursor at %s,%s with serial=%s, dimensions: %sx%s, len(pixels)=%s, default cursor size is %s",
xhot, yhot, serial, w, h, len(pixels), size)
if size > 0 and (size < w or size < h) and False:
ratio = float(max(w, h)) / size
log("downscaling cursor by %.2f", ratio)
pixbuf = pixbuf.scale_simple(int(w / ratio), int(h / ratio),
gdk.INTERP_BILINEAR)
x = int(x / ratio)
y = int(y / ratio)
return gdk.Cursor(gdk.display_get_default(), pixbuf, x, y)
def set_windows_cursor(self, gtkwindows, new_cursor):
cursor = None
if len(new_cursor)>0:
cursor = None
if len(new_cursor)>=9 and cursor_names:
cursor_name = new_cursor[8]
if cursor_name:
gdk_cursor = cursor_names.get(cursor_name.upper())
if gdk_cursor is not None:
try:
from xpra.x11.gtk_x11.error import trap
log("setting new cursor: %s=%s", cursor_name, gdk_cursor)
cursor = trap.call_synced(gdk.Cursor, gdk_cursor)
except:
pass
if cursor is None:
w, h, xhot, yhot, serial, pixels = new_cursor[2:8]
log("new cursor at %s,%s with serial=%s, dimensions: %sx%s, len(pixels)=%s" % (xhot,yhot, serial, w,h, len(pixels)))
pixbuf = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, True, 8, w, h, w * 4)
x = max(0, min(xhot, w-1))
y = max(0, min(yhot, h-1))
size = gdk.display_get_default().get_default_cursor_size()
if size>0 and (size<w or size<h):
ratio = float(max(w,h))/size
pixbuf = pixbuf.scale_simple(int(w/ratio), int(h/ratio), gdk.INTERP_BILINEAR)
x = int(x/ratio)
y = int(y/ratio)
cursor = gdk.Cursor(gdk.display_get_default(), pixbuf, x, y)
for gtkwindow in gtkwindows:
if gtk.gtk_version>=(2,14):
gdkwin = gtkwindow.get_window()
else:
gdkwin = gtkwindow.window
#trays don't have a gdk window
if gdkwin:
gdkwin.set_cursor(cursor)
def save_pixels_to_png(pixels, width, height, filename):
"""Save raw pixels to a PNG file through pixbuf and PyGTK."""
gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, True, 8, width,
height, width * 4).save(filename, 'png')
def set_color(self, color):
pass
#return self._font.set_color(color)
def __getattr__(self, attr):
if attr in ("ascent", "descent", "max_ascent", "max_descent"):
return None
return super(Font, self).__getattr__(attr)
def open(file):
return Image(file)
def new((w, h), rawdata = None, from_format = "BGRA"):
if from_format not in get_capabilities()["from-raw-formats"]:
raise ValueError, "Unsupported raw format: %s" % from_format
if rawdata:
has_alpha, bpp = { "RGBA": (True, 4), "RGB": (False, 3) } [from_format]
return Image( gdk.pixbuf_new_from_data(rawdata, gdk.COLORSPACE_RGB,
has_alpha, 8, w, h, w*bpp) )
else:
return Image( gdk.Pixbuf(gdk.COLORSPACE_RGB, True, 8, w, h) )
def add_font_path(path):
pass
def load_font(font, size):
pass
def save_pixels_to_png(pixels, width, height, filename):
"""Save raw pixels to a PNG file through pixbuf and PyGTK."""
gdk.pixbuf_new_from_data(
pixels, 'rgb', False, 8, width, height, width * 3
).save(filename, 'png')
def save_pixels_to_png(pixels, width, height, filename):
"""Save raw pixels to a PNG file through pixbuf and PyGTK."""
gdk.pixbuf_new_from_data(
pixels, gdk.COLORSPACE_RGB, True, 8, width, height, width * 4
).save(filename, 'png')
