def load(self, filepath):
ilib = img_lib_t()
rc = img_lib_attach(byref(ilib))
if rc: raise RuntimeError(rc)
try:
img = img_t()
# 24-bits/pixel BGRA format, little-endian
img.format = IMG_FMT_RGBA8888
img.flags |= IMG_FORMAT
rc = img_load_file(ilib, ascii_bytes(filepath), None, byref(img))
if rc: raise RuntimeError(rc)
#~ print('img is %d x %d x %d' % (img.w, img.h, IMG_FMT_BPP(img.format)))
self.img = img
self.width = img.w
self.height = img.h
size = img.access.direct.stride * img.h
self.data = (c_char * size).from_address(
addressof(img.access.direct.data.contents))
finally:
img_lib_detach(ilib)
def __init__(self, source, stype=None):
if source.endswith('.vert') or source.endswith('.frag'):
text = self.load(source)
stype = GL_VERTEX_SHADER if source.endswith('.vert') else GL_FRAGMENT_SHADER
else:
text = ascii_bytes(source)
if stype is None:
# try to auto-detect
if 'gl_Frag' in source:
stype = GL_FRAGMENT_SHADER
else:
stype = GL_VERTEX_SHADER
self.create(stype, text)
def __init__(self, source, stype=None):
if source.endswith('.vert') or source.endswith('.frag'):
text = self.load(source)
stype = GL_VERTEX_SHADER if source.endswith(
'.vert') else GL_FRAGMENT_SHADER
else:
text = ascii_bytes(source)
if stype is None:
# try to auto-detect
if 'gl_Frag' in source:
stype = GL_FRAGMENT_SHADER
else:
stype = GL_VERTEX_SHADER
self.create(stype, text)