import pygame, sys,os
from pygame.locals import * 
from Image import *
from OpenGL.GL import *
from OpenGL.GLUT import *
from OpenGL.GLU import *

class Imagen:
	
	def __init__(self):
		
		self.image = pygame.image.load("folder_home.png")
		self.textura = glGenTextures(1)
		self.tint = (1.0,1.0,1.0)
		self.alpha = 0.01
		self.origen = [0.0,0.0]
		self.escala = 1.0
		glBindTexture(GL_TEXTURE_2D, self.textura)   # 2d texture (x and y size)
		
		self.imageData = pygame.image.tostring(self.image,"RGBA")
		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, self.image.get_width(), self.image.get_height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, self.imageData)
		
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)


	def dibujarImagen(self):
		glMatrixMode(GL_MODELVIEW)
		
		glPushMatrix()
		glLoadIdentity()
		
		glBindTexture(GL_TEXTURE_2D, self.textura)
		
		glTranslatef(self.origen[0],self.origen[1],0.0)
		
		#rota 45 grados en eje Z (X,Y,Z)
		glRotatef(45,0,0,1)
		
		glColor4f(self.tint[0],self.tint[1],self.tint[2],self.alpha)
		glBegin(GL_QUADS)
		
		glTexCoord2f(0.0,0.0)
		glVertex3f(-1.0*self.escala, 1.0*self.escala, -2.0)
		
		glTexCoord2f(1.0,0.0)		
		glVertex3f(1.0*self.escala, 1.0*self.escala, -2.0)
		
		glTexCoord2f(1.0,1.0)		
		glVertex3f(1.0*self.escala, -1.0*self.escala, -2.0)
		
		glTexCoord2f(0.0,1.0)
		glVertex3f(-1.0*self.escala, -1.0*self.escala, -2.0)
		
		glEnd()
		
		glPopMatrix()
		
	def dibujar(self,x,y,escala):
		self.origen[0] = x
		self.origen[1] = y
		self.escala = escala
		self.dibujarImagen()