def __init__(self, bitmap, grid=None, border=0, imgkey=None):
if grid is None:
w = _getdim(bitmap.width+border*2)
h = _getdim(bitmap.height+border*2)
grid = (w,h)
self._grid = grid
self._border = border
self._images = []
self._key = imgkey
self._textures = TextureManager()
self._cObj = _c.GridImage(*grid)
self._split(bitmap)
def __init__(self, fontfile, pngfile=None, spacing=0, linespacing=0):
"""Open a previously created bitmap font"""
if pngfile is None:
pngfile = splitext(fontfile)[0] + ".png"
f = open(fontfile, "rb")
data = f.read()
f.close()
data = pickle.loads(data)
f.close()
self.chardict = {}
self.bmpdict = {}
self.texmgr = TextureManager()
s = Bitmap.Load(open(pngfile, "rb"))
for k, (x, y, w, h) in data.char_rects.iteritems():
bmp = s.get_subbitmap(x, y, w, h)
img = self.texmgr.add_image(bmp)
img.hotspot.set(0, 1)
self.chardict[k] = ImageInstance(img)
self.bmpdict[k] = bmp
self.linesize = data.linesize
self.padding = data.padding
self.spacing = spacing
self.linespacing = linespacing
class GridImage(ImageInstance):
def __init__(self, bitmap, grid=None, border=0, imgkey=None):
if grid is None:
w = _getdim(bitmap.width+border*2)
h = _getdim(bitmap.height+border*2)
grid = (w,h)
self._grid = grid
self._border = border
self._images = []
self._key = imgkey
self._textures = TextureManager()
self._cObj = _c.GridImage(*grid)
self._split(bitmap)
def _split(self, bitmap):
gx,gy = self._grid
bmpw = bitmap.width
bmph = bitmap.height
self._size = bmpw,bmph
self._cObj.SetSize(bmpw, bmph)
xs,xr = divmod(bmpw, gx)
ys,yr = divmod(bmph, gy)
assert xs < 512-self._border*2 and ys < 512-self._border*2
scry = 0
for y in range(gy):
scrx = 0
height = ys
if y < yr:
height += 1
row = []
for x in range(gx):
width = xs
if x < xr:
width += 1
bmp = bitmap.get_subbitmap(scrx, scry, width, height)
#bmp.thisown = 1
if self._border:
bmp = bmp.transform(transform.make_bordered, self._border)
#bmp.thisown = 1
img = self._textures.add_image(bmp, border=self._border)
row.append(img)
self._cObj.AppendImage(img)
scrx += width
scry += height
self._images.append(row)
def __init__(self, fontfile, pngfile=None, spacing=0, linespacing=0):
"""Open a previously created bitmap font"""
if pngfile is None:
pngfile = splitext(fontfile)[0]+".png"
f = open(fontfile, "rb")
data = f.read()
f.close()
data = pickle.loads(data)
f.close()
self.chardict = {}
self.bmpdict = {}
self.texmgr = TextureManager()
s = Bitmap.Load(open(pngfile,"rb"))
for k, (x, y, w, h) in data.char_rects.iteritems():
bmp = s.get_subbitmap(x, y, w, h)
img = self.texmgr.add_image(bmp)
img.hotspot.set(0, 1)
self.chardict[k] = ImageInstance(img)
self.bmpdict[k] = bmp
self.linesize = data.linesize
self.padding = data.padding
self.spacing = spacing
self.linespacing = linespacing
def __init__(self):
self.images = {}
self.patterns = {}
self._texmgr = TextureManager()
self.path = None
class ResourceManager(object):
"""ResourceManager singleton
"""
def __init__(self):
self.images = {}
self.patterns = {}
self._texmgr = TextureManager()
self.path = None
def set_source(self, path):
"""Set the source path for resource loading (defaults to current dir)"""
self.path = path
def open_resource(self, name):
if self.path is not None:
if zipfile.is_zipfile(self.path):
z = zipfile.ZipFile(self.path)
s = z.read(name.replace("\\", "/"))
z.close()
sio = StringIO.StringIO(s)
sio.name = name
return sio
return open(os.path.join(self.path, name), "rb")
return open(name, "rb")
def find_resources(self, pattern):
if self.path is not None:
if zipfile.is_zipfile(self.path):
z = zipfile.ZipFile(self.path)
names = z.namelist()
r = _globre(pattern)
return [name for name in names if r.match(name)]
return glob(os.path.join(self.path, pattern))
return glob(pattern)
def preload_images(self, pattern):
files = self.find_resources(pattern)
for fn in files:
fn = fn.replace(os.path.sep, "/")
for img in ImageMeta.subclasses:
if img.filename == fn:
self.get_image(img)
break
else:
self.get_image(fn)
def clear_cache(self):
"""Removes everything from cache"""
self.images = {}
self.patterns = {}
def get_image(self, image, hotspot=None, mode=None, border=None):
"""Load an image from the given path
The image is cached and the same Image instance is returned on
subsequent calls.
"""
if isinstance(image, type) and issubclass(image, Image):
image = image()
elif not isinstance(image, Image):
filename = image
image = Image()
image.filename = filename
if mode or hotspot or border:
image = image.copy()
if hotspot is not None:
image.hotspot = hotspot
if mode is not None:
image.mode = mode
if border is not None:
image.border = border
if isinstance(image.mode, basestring):
image.mode = [image.mode]
try:
return self.images[image]
except KeyError:
if not image.filename:
raise ValueError(
"no filename specified in Image definition for %s" %
image.__class__.__name__)
bmp = self._load_bitmap(image.filename)
for mod in image.mode:
try:
func = getattr(transform, "make_" + mod)
except AttributeError:
raise ValueError("invalid Image mode: %r" % mod)
bmp = bmp.transform(func)
img = self._set_image(image,
bmp,
hotspot=image.hotspot,
border=image.border)
img._cObj.hotspot.set(*image.hotspot)
for c in image.collision:
img.add_collision_node(*c)
return img
def get_strip(self, image, width):
"""Load an image strip and return a list of images
"""
pass
def get_grid(self, image, width, height, hotspot=None):
"""Load an image grid and return a list of images
"""
bmp = self._load_bitmap(image)
cols = bmp.width // width
rows = bmp.height // height
result = []
for r in range(rows):
for c in range(cols):
sb = bmp.get_subbitmap(c * width, r * height, width, height)
result.append(self._create_image(sb, hotspot))
return result
def get_pattern(self, pattern=None, hotspot=None, mode=None, border=None):
"""Load images using a glob pattern"""
if pattern in self.patterns:
return self.patterns[pattern]
files = self.find_resources(pattern)
files.sort()
images = []
for fn in files:
images.append(
self.get_image(fn, hotspot=hotspot, mode=mode, border=border))
self.patterns[pattern] = images
return images
def _set_image(self, key, bmp, hotspot=None, border=1):
img = self._create_image(bmp, hotspot, border)
img._key = key
self.images[key] = img
return img
def _create_image(self, bmp, hotspot=None, border=1):
if bmp.width + border * 2 > 512 or bmp.height + border * 2 > 512:
img = GridImage(bmp, border=border)
else:
if border:
bmp = bmp.transform(transform.make_bordered, border)
img = self._texmgr.add_image(bmp, border)
img = ImageInstance(img)
if hotspot:
img._cObj.hotspot.set(*hotspot)
return img
def _load_bitmap(self, src):
if not hasattr(src, "read"):
src = self.open_resource(src)
# read from file-like object
bmp = Bitmap.Load(src)
return bmp
def __init__(self):
self.images = {}
self.patterns = {}
self._texmgr = TextureManager()
self.path = None
class ResourceManager(object):
"""ResourceManager singleton
"""
def __init__(self):
self.images = {}
self.patterns = {}
self._texmgr = TextureManager()
self.path = None
def set_source(self, path):
"""Set the source path for resource loading (defaults to current dir)"""
self.path = path
def open_resource(self, name):
if self.path is not None:
if zipfile.is_zipfile(self.path):
z = zipfile.ZipFile(self.path)
s = z.read(name.replace("\\", "/"))
z.close()
sio = StringIO.StringIO(s)
sio.name = name
return sio
return open(os.path.join(self.path, name), "rb")
return open(name, "rb")
def find_resources(self, pattern):
if self.path is not None:
if zipfile.is_zipfile(self.path):
z = zipfile.ZipFile(self.path)
names = z.namelist()
r = _globre(pattern)
return [name for name in names if r.match(name)]
return glob(os.path.join(self.path, pattern))
return glob(pattern)
def preload_images(self, pattern):
files = self.find_resources(pattern)
for fn in files:
fn = fn.replace(os.path.sep, "/")
for img in ImageMeta.subclasses:
if img.filename == fn:
self.get_image(img)
break
else:
self.get_image(fn)
def clear_cache(self):
"""Removes everything from cache"""
self.images = {}
self.patterns = {}
def get_image(self, image, hotspot=None, mode=None, border=None):
"""Load an image from the given path
The image is cached and the same Image instance is returned on
subsequent calls.
"""
if isinstance(image, type) and issubclass(image, Image):
image = image()
elif not isinstance(image, Image):
filename = image
image = Image()
image.filename = filename
if mode or hotspot or border:
image = image.copy()
if hotspot is not None:
image.hotspot = hotspot
if mode is not None:
image.mode = mode
if border is not None:
image.border = border
if isinstance(image.mode, basestring):
image.mode = [image.mode]
try:
return self.images[image]
except KeyError:
if not image.filename:
raise ValueError("no filename specified in Image definition for %s" % image.__class__.__name__)
bmp = self._load_bitmap(image.filename)
for mod in image.mode:
try:
func = getattr(transform, "make_"+mod)
except AttributeError:
raise ValueError("invalid Image mode: %r" % mod)
bmp = bmp.transform(func)
img = self._set_image(image, bmp, hotspot=image.hotspot, border=image.border)
img._cObj.hotspot.set(*image.hotspot)
for c in image.collision:
img.add_collision_node(*c)
return img
def get_strip(self, image, width):
"""Load an image strip and return a list of images
"""
pass
def get_grid(self, image, width, height, hotspot=None):
"""Load an image grid and return a list of images
"""
bmp = self._load_bitmap(image)
cols = bmp.width // width
rows = bmp.height // height
result = []
for r in range(rows):
for c in range(cols):
sb = bmp.get_subbitmap(c*width,r*height,width,height)
result.append(self._create_image(sb,hotspot))
return result
def get_pattern(self, pattern=None, hotspot=None, mode=None, border=None):
"""Load images using a glob pattern"""
if pattern in self.patterns:
return self.patterns[pattern]
files = self.find_resources(pattern)
files.sort()
images = []
for fn in files:
images.append(self.get_image(fn, hotspot=hotspot, mode=mode, border=border))
self.patterns[pattern] = images
return images
def _set_image(self, key, bmp, hotspot=None, border=1):
img = self._create_image(bmp, hotspot, border)
img._key = key
self.images[key] = img
return img
def _create_image(self, bmp, hotspot=None, border=1):
if bmp.width+border*2 > 512 or bmp.height+border*2 > 512:
img = GridImage(bmp, border=border)
else:
if border:
bmp = bmp.transform(transform.make_bordered, border)
img = self._texmgr.add_image(bmp, border)
img = ImageInstance(img)
if hotspot:
img._cObj.hotspot.set(*hotspot)
return img
def _load_bitmap(self, src):
if not hasattr(src, "read"):
src = self.open_resource(src)
# read from file-like object
bmp = Bitmap.Load(src)
return bmp
class BitmapFont(object):
def __init__(self, fontfile, pngfile=None, spacing=0, linespacing=0):
"""Open a previously created bitmap font"""
if pngfile is None:
pngfile = splitext(fontfile)[0]+".png"
f = open(fontfile, "rb")
data = f.read()
f.close()
data = pickle.loads(data)
f.close()
self.chardict = {}
self.bmpdict = {}
self.texmgr = TextureManager()
s = Bitmap.Load(open(pngfile,"rb"))
for k, (x, y, w, h) in data.char_rects.iteritems():
bmp = s.get_subbitmap(x, y, w, h)
img = self.texmgr.add_image(bmp)
img.hotspot.set(0, 1)
self.chardict[k] = ImageInstance(img)
self.bmpdict[k] = bmp
self.linesize = data.linesize
self.padding = data.padding
self.spacing = spacing
self.linespacing = linespacing
def create(self, s, single=False):
if single:
return self.create_single(s)
n = Sprite()
xpos = 0
ypos = 0
xmax = 0
nx = 0
ny = 0
height = self.linesize
padleft, padright, padtop, padbottom = self.padding
nx -= padleft
ny += height-padtop
n.letters = []
n.font = self
for c in s:
if c == '\n':
xmax = max(xpos, xmax)
ypos += height + self.linespacing
nx -= xpos
ny += height + self.linespacing
xpos = 0
img = self.chardict.get(c, None)
if img is None:
continue
s = Sprite(img)
img = img._cObj
s.attach_to(n)
s.position = nx, ny
n.letters.append(s)
nx += img.w - padleft - padright + self.spacing
xpos += img.w - padleft - padright + self.spacing
#n.rect = (0, 0, xmax, ypos+height)
return n
def create_surface(self, s):
xpos = 0
ypos = 0
xmax = 0
ymax = 0
nx = 0
ny = 0
height = self.linesize
padleft, padright, padtop, padbottom = self.padding
xpos += padleft
#ny += height-padtop
blits = []
for c in s:
if c == '\n':
xmax = max(xpos, xmax)
ymax = 0
ypos += height + self.linespacing
nx -= xpos
ny += height + self.linespacing
xpos = 0
bmp = self.bmpdict.get(c, None)
if bmp is None:
continue
blits.append((bmp,nx,ny))
ymax = max(ymax, bmp.height)
nx += bmp.width - padleft - padright + self.spacing
xpos += bmp.width - padleft - padright + self.spacing
xmax = max(xmax,xpos)
size = xmax,ypos+ymax
s = pygame.Surface(size, pygame.SRCALPHA, 32)
#s.fill((255,255,255,255))
s.fill((0,0,0,0))
for bmp,x,y in blits:
s.blit(bmp.surface, (x, y))
return s
def create_single(self, s):
surf = self.create_surface(s)
img = ResourceManager._create_image(Bitmap(surf))
return Sprite(img)
class BitmapFont(object):
def __init__(self, fontfile, pngfile=None, spacing=0, linespacing=0):
"""Open a previously created bitmap font"""
if pngfile is None:
pngfile = splitext(fontfile)[0] + ".png"
f = open(fontfile, "rb")
data = f.read()
f.close()
data = pickle.loads(data)
f.close()
self.chardict = {}
self.bmpdict = {}
self.texmgr = TextureManager()
s = Bitmap.Load(open(pngfile, "rb"))
for k, (x, y, w, h) in data.char_rects.iteritems():
bmp = s.get_subbitmap(x, y, w, h)
img = self.texmgr.add_image(bmp)
img.hotspot.set(0, 1)
self.chardict[k] = ImageInstance(img)
self.bmpdict[k] = bmp
self.linesize = data.linesize
self.padding = data.padding
self.spacing = spacing
self.linespacing = linespacing
def create(self, s, single=False):
if single:
return self.create_single(s)
n = Sprite()
xpos = 0
ypos = 0
xmax = 0
nx = 0
ny = 0
height = self.linesize
padleft, padright, padtop, padbottom = self.padding
nx -= padleft
ny += height - padtop
n.letters = []
n.font = self
for c in s:
if c == '\n':
xmax = max(xpos, xmax)
ypos += height + self.linespacing
nx -= xpos
ny += height + self.linespacing
xpos = 0
img = self.chardict.get(c, None)
if img is None:
continue
s = Sprite(img)
img = img._cObj
s.attach_to(n)
s.position = nx, ny
n.letters.append(s)
nx += img.w - padleft - padright + self.spacing
xpos += img.w - padleft - padright + self.spacing
#n.rect = (0, 0, xmax, ypos+height)
return n
def create_surface(self, s):
xpos = 0
ypos = 0
xmax = 0
ymax = 0
nx = 0
ny = 0
height = self.linesize
padleft, padright, padtop, padbottom = self.padding
xpos += padleft
#ny += height-padtop
blits = []
for c in s:
if c == '\n':
xmax = max(xpos, xmax)
ymax = 0
ypos += height + self.linespacing
nx -= xpos
ny += height + self.linespacing
xpos = 0
bmp = self.bmpdict.get(c, None)
if bmp is None:
continue
blits.append((bmp, nx, ny))
ymax = max(ymax, bmp.height)
nx += bmp.width - padleft - padright + self.spacing
xpos += bmp.width - padleft - padright + self.spacing
xmax = max(xmax, xpos)
size = xmax, ypos + ymax
s = pygame.Surface(size, pygame.SRCALPHA, 32)
#s.fill((255,255,255,255))
s.fill((0, 0, 0, 0))
for bmp, x, y in blits:
s.blit(bmp.surface, (x, y))
return s
def create_single(self, s):
surf = self.create_surface(s)
img = ResourceManager._create_image(Bitmap(surf))
return Sprite(img)
