def __init__(self, img_file, texture_renderer):
self.renderer = texture_renderer
self.image = PIL.Image.open(img_file).convert("RGBA")
self.tw = 1
while self.tw < self.width:
self.tw *= 2
self.th = 1
while self.th < self.height:
self.th *= 2
self.teximage = PIL.Image.new("RGBA", (self.tw, self.th), (0, 0, 0, 0))
self.teximage.paste(self.image, (0,0), self.image)
self.teximage = self.teximage.convert("RGBa") # premultiply alpha
self.texid = gl.glGenTextures(1)
gl.glBindTexture(gl.GL_TEXTURE_2D, self.texid)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR_MIPMAP_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_EDGE)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_EDGE)
try:
blob = self.teximage.tobytes()
except AttributeError:
blob = self.teximage.tostring()
if glu is not None:
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, 4, self.tw, self.th,
gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, blob)
else:
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA, self.tw, self.th,
0, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, blob)
gl.glGenerateMipmap(gl.GL_TEXTURE_2D)
def __init__(self, img_file, background=(0, 0, 0)):
self.image = PIL.Image.open(img_file)
self.tw = 1
while self.tw < self.width:
self.tw *= 2
self.th = 1
while self.th < self.height:
self.th *= 2
r, g, b = background
self.teximage = PIL.Image.new("RGBA", (self.tw, self.th), (r, g, b, 0))
self.teximage.paste(self.image, (0, 0), self.image)
self.texid = gl.glGenTextures(1)
gl.glBindTexture(gl.GL_TEXTURE_2D, self.texid)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER,
gl.GL_LINEAR_MIPMAP_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER,
gl.GL_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP)
try:
blob = self.teximage.tobytes()
except AttributeError:
blob = self.teximage.tostring()
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, 4, self.tw, self.th,
gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, blob)
def LoadTextures():
global textures
image = Image.open(os.path.join("Data", "Crate.bmp"))
sizeX = image.size[0]
sizeY = image.size[1]
textures = gl.glGenTextures(3) #Create The Texture
#get the raw image pixel converted in openGL coordinates (point (0,0) is bottom, left)
image = image.convert("RGBX").tobytes("raw", "RGBX", 0, -1)
# Create Nearest Filtered Texture
gl.glBindTexture(gl.GL_TEXTURE_2D, textures[0])
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_NEAREST)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_NEAREST)
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, 3, sizeX, sizeY, 0, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, image)
# Create Linear Filtered Texture
gl.glBindTexture(gl.GL_TEXTURE_2D, textures[1])
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR)
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, 3, sizeX, sizeY, 0, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, image)
# Create MipMapped Texture
gl.glBindTexture(gl.GL_TEXTURE_2D, textures[2])
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR_MIPMAP_NEAREST)
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, gl.GL_RGBA, sizeX, sizeY, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, image)
def _load_texture(self, filename):
"""
Loads an image as texture
"""
if not os.path.exists(filename):
raise ValueError("Texture file not found: " + filename)
sys.exit()
# Load the image
image = Image.open(filename)
ix = image.size[0]
iy = image.size[1]
image = image.tostring("raw", "RGBX", 0, -1)
# Create Texture
ind = gl.glGenTextures(1)
gl.glBindTexture(gl.GL_TEXTURE_2D, ind)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S,
gl.GL_REPEAT)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T,
gl.GL_REPEAT)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER,
gl.GL_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER,
gl.GL_LINEAR_MIPMAP_NEAREST)
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, 3, ix, iy, gl.GL_RGBA,
gl.GL_UNSIGNED_BYTE, image)
return ind
def _load_texture(self, filename):
"""
Loads an image as texture
"""
if not os.path.exists(filename):
raise ValueError("Texture file not found: " + filename)
sys.exit()
# Load the image
image = Image.open(filename)
ix = image.size[0]
iy = image.size[1]
image = image.tobytes("raw", "RGBX", 0, -1)
# Create Texture
ind = gl.glGenTextures(1)
gl.glBindTexture(gl.GL_TEXTURE_2D, ind)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S,
gl.GL_REPEAT)
gl.glTexParameterf(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T,
gl.GL_REPEAT)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER,
gl.GL_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER,
gl.GL_LINEAR_MIPMAP_NEAREST)
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, 3, ix, iy, gl.GL_RGBA,
gl.GL_UNSIGNED_BYTE, image)
return ind
def __init__(self, img_file, texture_renderer):
self.renderer = texture_renderer
self.image = PIL.Image.open(img_file).convert("RGBA")
self.tw = 1
while self.tw < self.width:
self.tw *= 2
self.th = 1
while self.th < self.height:
self.th *= 2
self.teximage = PIL.Image.new("RGBA", (self.tw, self.th), (0, 0, 0, 0))
self.teximage.paste(self.image, (0,0), self.image)
self.teximage = self.teximage.convert("RGBa") # premultiply alpha
self.texid = gl.glGenTextures(1)
gl.glBindTexture(gl.GL_TEXTURE_2D, self.texid)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR_MIPMAP_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP_TO_EDGE)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP_TO_EDGE)
try:
blob = self.teximage.tobytes()
except AttributeError:
blob = self.teximage.tostring()
if glu is not None:
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, 4, self.tw, self.th,
gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, blob)
else:
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, gl.GL_RGBA, self.tw, self.th,
0, gl.GL_RGBA, gl.GL_UNSIGNED_BYTE, blob)
gl.glGenerateMipmap(gl.GL_TEXTURE_2D)
def makeTextureFromSurface(self, surface):
texture = GL.glGenTextures(1)
GL.glBindTexture(GL.GL_TEXTURE_2D, texture)
GLU.gluBuild2DMipmaps(GL.GL_TEXTURE_2D, GL.GL_RGBA,
surface.get_width(), surface.get_height(),
GL.GL_RGBA, GL.GL_UNSIGNED_BYTE,
pygame.image.tostring(surface, 'RGBA'))
GL.glTexParameterf(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER,
GL.GL_NEAREST_MIPMAP_NEAREST)
GL.glTexParameterf(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER,
GL.GL_NEAREST)
return texture
def __init__(self, img_file):
self.image = PIL.Image.open(img_file).convert("RGBA")
self.texid = gl.glGenTextures(1)
gl.glBindTexture(gl.GL_TEXTURE_2D, self.texid)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR_MIPMAP_NEAREST);
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR);
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP);
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP);
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, 4, self.width, self.height, gl.GL_RGBA,
gl.GL_UNSIGNED_BYTE, self.image.tostring())
def createTextureFromSurface(self, surface, has_alpha=True):
texture = GL.glGenTextures(1)
modeFlag = GL.GL_RGB
modeString = "RGB"
if has_alpha:
modeFlag = GL.GL_RGBA
modeString = "RGBA"
GL.glBindTexture(GL.GL_TEXTURE_2D, texture)
GLU.gluBuild2DMipmaps(GL.GL_TEXTURE_2D, modeFlag, surface.get_width(),
surface.get_height(), modeFlag,
GL.GL_UNSIGNED_BYTE,
pygame.image.tostring(surface, modeString))
GL.glTexParameterf(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER,
GL.GL_NEAREST_MIPMAP_NEAREST)
GL.glTexParameterf(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER,
GL.GL_NEAREST)
return texture
def loadTexture(path, type, clamp, mipmap=False):
img = sdl2.SDL_LoadBMP(path)
if not img:
print('Unable to load bitmap :', sdl2.SDL_GetError())
return 0
width = img.contents.w
height = img.contents.h
# converts from BGR to RGB
if (type == gl.GL_RGB) or (type == gl.GL_RGBA):
if type == gl.GL_RGB:
offset = 3
else:
offset = 4
imagesize = width * height * offset
b = ctypes.cast(img.contents.pixels, ctypes.POINTER(ctypes.c_byte))
for i in range(0, imagesize, offset):
b[i], b[i + 2] = b[i + 2], b[i] # slow...
index = int(gl.glGenTextures(1))
gl.glBindTexture(gl.GL_TEXTURE_2D, index)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, clamp)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, clamp)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER,
gl.GL_LINEAR)
if mipmap:
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER,
gl.GL_LINEAR_MIPMAP_LINEAR)
bytes = ctypes.cast(img.contents.pixels, ctypes.POINTER(ctypes.c_byte))
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, type, width, height, type,
gl.GL_UNSIGNED_BYTE, bytes)
else:
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER,
gl.GL_LINEAR)
bytes = ctypes.cast(img.contents.pixels, ctypes.POINTER(ctypes.c_byte))
gl.glTexImage2D(gl.GL_TEXTURE_2D, 0, type, width, height, 0, type,
gl.GL_UNSIGNED_BYTE, bytes)
sdl2.SDL_FreeSurface(img)
return index
def __init__(self, img_file, background=(0,0,0)):
self.image = PIL.Image.open(img_file)
self.tw = 1
while self.tw < self.width:
self.tw *= 2
self.th = 1
while self.th < self.height:
self.th *= 2
r, g, b = background
self.teximage = PIL.Image.new("RGBA", (self.tw, self.th), (r, g, b, 0))
self.teximage.paste(self.image, (0,0), self.image)
self.texid = gl.glGenTextures(1)
gl.glBindTexture(gl.GL_TEXTURE_2D, self.texid)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MIN_FILTER, gl.GL_LINEAR_MIPMAP_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_MAG_FILTER, gl.GL_LINEAR)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_S, gl.GL_CLAMP)
gl.glTexParameteri(gl.GL_TEXTURE_2D, gl.GL_TEXTURE_WRAP_T, gl.GL_CLAMP)
glu.gluBuild2DMipmaps(gl.GL_TEXTURE_2D, 4, self.tw, self.th, gl.GL_RGBA,
gl.GL_UNSIGNED_BYTE, self.teximage.tostring())
