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UV_Export rounding error fixed by Macouno (from elysiun).

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Also standardized some indenting and export to black lines instead of red.
This commit is contained in:
Martin Poirier 2005-11-26 15:25:21 +00:00
parent 5b04f23777
commit eb8012d1a1
1 changed files with 49 additions and 44 deletions
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93
release/scripts/uv_export.py
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@ -9,7 +9,7 @@ Tooltip: 'Export the UV face layout of the selected object to a .TGA file'
__author__ = "Martin 'theeth' Poirier"
__url__ = ("http://www.blender.org", "http://www.elysiun.com")
__version__ = "1.3a"
__version__ = "1.4"
__bpydoc__ = """\
This script exports the UV face layout of the selected mesh object to
@ -26,8 +26,9 @@ There are more options to configure, like setting export path, if image should
use object's name and more.
Notes:<br>
Jean-Michel Soler (jms) wrote TGA functions used by this script.
Zaz added the default path code and Selected Face option.
Jean-Michel Soler (jms) wrote TGA functions used by this script.<br>
Zaz added the default path code and Selected Face option.<br>
Macouno fixed a rounding error in the step calculations<br>
"""
@ -62,19 +63,22 @@ Notes:<br>
# Communicate problems and errors on:
# http://www.zoo-logique.org/3D.Blender/newsportal/thread.php?group=3D.Blender
# --------------------------
# Version 1.1
# Version 1.1
# Clear a bug that crashed the script when UV coords overlapped in the same faces
# --------------------------
# Version 1.2
# Version 1.2
# Now with option to use the object's name as filename
# --------------------------
# Version 1.3 Updates by Zaz from Elysiun.com
# Version 1.3 Updates by Zaz from Elysiun.com
# Default path is now the directory of the last saved .blend
# New options: Work on selected face only & Scale image when face wraps
# --------------------------
# Version 1.3a
# Version 1.3a
# Corrected a minor typo and added the tga extension to both export call
# --------------------------
# Version 1.4 Updates by Macouno from Elysiun.com
# Fixed rounding error that can cause breaks in lines.
# --------------------------
import Blender
from math import *
@ -134,42 +138,42 @@ def bevent(evt):
UV_Export(bSize.val, bWSize.val, bFile.val + ".tga")
def Buffer(height=16, width=16, profondeur=3,rvb=255 ):
"""
reserve l'espace memoire necessaire
"""
p=[rvb]
b=p*height*width*profondeur
return b
"""
reserve l'espace memoire necessaire
"""
p=[rvb]
b=p*height*width*profondeur
return b
def write_tgafile(loc2,bitmap,width,height,profondeur):
f=open(loc2,'wb')
f=open(loc2,'wb')
Origine_en_haut_a_gauche=32
Origine_en_bas_a_gauche=0
Origine_en_haut_a_gauche=32
Origine_en_bas_a_gauche=0
Data_Type_2=2
RVB=profondeur*8
RVBA=32
entete0=[]
for t in range(18):
entete0.append(chr(0))
Data_Type_2=2
RVB=profondeur*8
RVBA=32
entete0=[]
for t in range(18):
entete0.append(chr(0))
entete0[2]=chr(Data_Type_2)
entete0[13]=chr(width/256)
entete0[12]=chr(width % 256)
entete0[15]=chr(height/256)
entete0[14]=chr(height % 256)
entete0[16]=chr(RVB)
entete0[17]=chr(Origine_en_bas_a_gauche)
entete0[2]=chr(Data_Type_2)
entete0[13]=chr(width/256)
entete0[12]=chr(width % 256)
entete0[15]=chr(height/256)
entete0[14]=chr(height % 256)
entete0[16]=chr(RVB)
entete0[17]=chr(Origine_en_bas_a_gauche)
#Origine_en_haut_a_gauche
#Origine_en_haut_a_gauche
for t in entete0:
f.write(t)
for t in entete0:
f.write(t)
for t in bitmap:
f.write(chr(t))
f.close()
for t in bitmap:
f.write(chr(t))
f.close()
def UV_Export(size, wsize, file):
obj = Blender.Object.GetSelected()
@ -238,11 +242,12 @@ def UV_Export(size, wsize, file):
co2 = f[index + 1]
else:
co2 = f[0]
step = int(size*sqrt((co1[0]-co2[0])**2+(co1[1]-co2[1])**2))
step = int(ceil(size*sqrt((co1[0]-co2[0])**2+(co1[1]-co2[1])**2)))
if step:
for t in range(step + 1):
x = int((co1[0] + t*(co2[0]-co1[0])/step) * size)
y = int((co1[1] + t*(co2[1]-co1[1])/step) * size)
for t in range(step):
x = int(floor((co1[0] + t*(co2[0]-co1[0])/step) * size))
y = int(floor((co1[1] + t*(co2[1]-co1[1])/step) * size))
if bWrap.val:
x = x % wrapSize
@ -251,16 +256,17 @@ def UV_Export(size, wsize, file):
x = int ((x - minx) * scale)
y = int ((y - miny) * scale)
co = x * 3 + y * 3 * size
co = x * 3 + y * 3 * size;
img[co] = 0
img[co+1] = 0
img[co+2] = 255
img[co+2] = 0
if wsize > 1:
for x in range(-1*wsize + 1,wsize):
for y in range(-1*wsize,wsize):
img[co + 3 * x + y * 3 * size] = 0
img[co + 3 * x + y * 3 * size +1] = 0
img[co + 3 * x + y * 3 * size +2] = 255
img[co + 3 * x + y * 3 * size +2] = 0
for v in f:
x = int(v[0] * size)
@ -276,8 +282,7 @@ def UV_Export(size, wsize, file):
co = x * 3 + y * 3 * size
img[co] = 0
img[co+1] = 0
img[co+2] = 0
img[co+2] = 255
write_tgafile(file,img,size,size,3)