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Video.py
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##################################################################
# -*- coding: iso-8859-1 -*- #
# #
# Frets on Fire #
# Copyright (C) 2006 Sami Kyöstilä #
# #
# This program is free software; you can redistribute it and/or #
# modify it under the terms of the GNU General Public License #
# as published by the Free Software Foundation; either version 2 #
# of the License, or (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program; if not, write to the Free Software #
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, #
# MA 02110-1301, USA. #
#####################################################################
from builtins import str
from builtins import object
import pygame
import os
import sys
from OpenGL.GL import *
from OpenGL.GL.ARB.multisample import *
from PIL import Image
import Log
import struct
class Video(object):
def __init__(self, caption = "Game", icon = None):
self.screen = None
self.caption = caption
self.icon = icon
self.fullscreen = False
self.flags = True
self.multisamples = 0
self.default = False
def setMode(self, resolution, fullscreen = False, flags = pygame.OPENGL | pygame.DOUBLEBUF,
multisamples = 0):
if fullscreen:
flags |= pygame.FULLSCREEN
self.flags = flags
self.fullscreen = fullscreen
self.multisamples = multisamples
try:
pygame.display.quit()
except:
pass
pygame.display.init()
pygame.display.gl_set_attribute(pygame.GL_RED_SIZE, 8)
pygame.display.gl_set_attribute(pygame.GL_GREEN_SIZE, 8)
pygame.display.gl_set_attribute(pygame.GL_BLUE_SIZE, 8)
pygame.display.gl_set_attribute(pygame.GL_ALPHA_SIZE, 8)
if multisamples:
pygame.display.gl_set_attribute(pygame.GL_MULTISAMPLEBUFFERS, 1);
pygame.display.gl_set_attribute(pygame.GL_MULTISAMPLESAMPLES, multisamples);
# evilynux - Setting window icon for platforms other than MS Windows.
# pygame claims that some window manager requires this to be
# before display.set_mode(), so there it is!
# Note: For the MS Windows icon, see below.
if not os.name == "nt" and self.icon != None:
pygame.display.set_icon(pygame.image.load(self.icon))
try:
self.screen = pygame.display.set_mode(resolution, flags)
except Exception as e:
errortype = str(e)
if "video mode" in errortype:
self.resolutionReset()
else: # "Couldn't find matching GLX visual"
self.multisampleReset(resolution)
pygame.display.set_caption(self.caption)
pygame.mouse.set_visible(False)
#stump: fix the window icon under Windows
# We would use pygame.display.set_icon(), but due to what appears to be
# a bug in SDL, the alpha channel is lost and some parts of the image are
# corrupted. As a result, we go the long way and load and set the icon
# by hand to work around the bug.
if os.name == 'nt':
import win32api
import win32gui
import win32con
hwnd = pygame.display.get_wm_info()['window']
# The Windows icon functions want the byte order in memory to be "BGRx"
# for some reason. Use the alpha channel as a placeholder for the "x"
# and swap the channels to fit. Also turn the image upside down as the
# API wants.
icon = Image.open(self.icon)
iconFixedUp = Image.merge('RGBA', [icon.split()[i] for i in (2, 1, 0, 3)]).transpose(Image.FLIP_TOP_BOTTOM)
# Scale the images to the icon sizes needed.
bigIcon = iconFixedUp.resize((32, 32), Image.BICUBIC)
smallIcon = iconFixedUp.resize((16, 16), Image.BICUBIC)
# The icon resources hold two bitmaps: the first is 32-bit pixel data
# (which for some reason doesn't hold the alpha, though we used the alpha
# channel to fill up that space - the fourth channel is ignored) and the
# second is a 1-bit alpha mask. For some reason, we need to invert the
# alpha channel before turning it into the mask.
bigIconColorData = bigIcon.tostring()
bigIconMaskData = bigIcon.split()[3].point(lambda p: 255 - p).convert('1').tostring()
smallIconColorData = smallIcon.tostring()
smallIconMaskData = smallIcon.split()[3].point(lambda p: 255 - p).convert('1').tostring()
# Put together icon resource structures - a header, then the pixel data,
# then the alpha mask. See documentation for the BITMAPINFOHEADER
# structure for what the fields mean. Not all fields are used -
# http://msdn.microsoft.com/en-us/library/ms997538.aspx says which ones
# don't matter and says to set them to zero. We double the height for
# reasons mentioned on that page, too.
bigIconData = struct.pack('<LllHHLLllLL', 40, 32, 64, 1, 32, 0, len(bigIconColorData+bigIconMaskData), 0, 0, 0, 0) + bigIconColorData + bigIconMaskData
smallIconData = struct.pack('<LllHHLLllLL', 40, 16, 32, 1, 32, 0, len(smallIconColorData+smallIconMaskData), 0, 0, 0, 0) + smallIconColorData + smallIconMaskData
# Finally actually create the icons from the icon resource structures.
hIconBig = win32gui.CreateIconFromResource(bigIconData, True, 0x00030000)
hIconSmall = win32gui.CreateIconFromResource(smallIconData, True, 0x00030000)
# And set the window's icon to our fresh new icon handles.
win32api.SendMessage(hwnd, win32con.WM_SETICON, win32con.ICON_BIG, hIconBig)
win32api.SendMessage(hwnd, win32con.WM_SETICON, win32con.ICON_SMALL, hIconSmall)
if multisamples:
try:
glEnable(GL_MULTISAMPLE_ARB)
except:
pass
return bool(self.screen)
def screenError(self):
Log.error("Video setup failed. Make sure your graphics card supports 32-bit display modes.")
raise
def resolutionReset(self):
Log.warn("Video setup failed. Trying default windowed resolution.")
if self.fullscreen:
self.flags ^= pygame.FULLSCREEN
self.fullscreen = False
try:
self.screen = pygame.display.set_mode((800,600), self.flags)
self.default = True
except Exception as e:
if self.multisamples:
self.multisampleReset((800, 600))
else:
self.screenError()
def multisampleReset(self, resolution):
Log.warn("Video setup failed. Trying without antialiasing.")
pygame.display.gl_set_attribute(pygame.GL_MULTISAMPLEBUFFERS, 0)
pygame.display.gl_set_attribute(pygame.GL_MULTISAMPLESAMPLES, 0)
self.multisamples = 0
try:
self.screen = pygame.display.set_mode(resolution, self.flags)
except Exception as e:
if "video mode" in str(e):
self.resolutionReset()
else:
self.screenError()
def toggleFullscreen(self):
assert self.screen
return pygame.display.toggle_fullscreen()
def flip(self):
pygame.display.flip()
def getVideoModes(self):
return pygame.display.list_modes()