williamjcm/small3dlib
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Continue image tool

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This commit is contained in:
Miloslav Číž 2019-06-03 23:03:23 +02:00
parent 4354e98908
commit d52845f836
1 changed files with 32 additions and 12 deletions
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44
img2array.py
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@ -9,12 +9,20 @@ from PIL import Image
def printHelp():
print("Convert image to C array for small3dlib.")
print("usage:\n")
print(" python img2array.py [TODO] file\n")
print(" TODO\n")
print(" python img2array.py [-xW -yH -h -nS -pT -5] file\n")
print(" -xW set width of the output to W pixels")
print(" -yH set height of the output to H pixels")
print(" -h include header guards (for texture per file)")
print(" -nS use the name S for the texture (defaut: \"texture\")")
print(" -pT use palette from file T and indexed colors (otherwise direct colors)")
print(" -5 use 565 format instead of RGB8")
print("");
print("by Miloslav \"drummyfish\" Ciz")
print("released under CC0 1.0")
def rgbTo565(rgb):
return ((rgb[0] >> 3) << 11) | ((rgb[1] >> 2) << 5) | ((rgb[2] >> 3))
if len(sys.argv) < 2:
printHelp()
quit()
@ -26,6 +34,7 @@ NAME = "texture"
GUARDS = False
OUT_WIDTH = 64
OUT_HEIGHT = 64
USE_565 = False
for s in sys.argv:
if s [:2] == "-x":
@ -36,6 +45,8 @@ for s in sys.argv:
GUARDS = True
elif s[:2] == "-n":
NAME = s[2:]
elif s[:2] == "-5":
USE_565 = True
elif s[:2] == "-p":
PALETTE = s[2:]
USE_PALETTE = True
@ -49,7 +60,7 @@ paletteArray = []
image = Image.open(FILENAME).convert("RGB")
pixels = image.load()
if len(PALETTE) > 0:
if USE_PALETTE > 0:
palette = Image.open(PALETTE).convert("RGB")
pixelsPal = palette.load()
@ -57,9 +68,13 @@ if len(PALETTE) > 0:
for x in range(palette.size[0]):
c = pixelsPal[x,y]
paletteColors.append(c)
paletteArray.append(c[0])
paletteArray.append(c[1])
paletteArray.append(c[2])
if USE_565:
paletteArray.append(rgbTo565(c))
else:
paletteArray.append(c[0])
paletteArray.append(c[1])
paletteArray.append(c[2])
image2 = Image.new("RGB",(OUT_WIDTH,OUT_HEIGHT),color="white")
pixels2 = image2.load()
@ -89,9 +104,13 @@ for y in range(OUT_HEIGHT):
imageArray.append(closestIndex)
pixels2[x,y] = paletteColors[closestIndex]
else:
imageArray.append(pixel[0])
imageArray.append(pixel[1])
imageArray.append(pixel[2])
if USE_565:
imageArray.append(rgbTo565(pixel))
else:
imageArray.append(pixel[0])
imageArray.append(pixel[1])
imageArray.append(pixel[2])
pixels2[x,y] = pixel
#-----------------------
@ -109,12 +128,12 @@ def printArray(array, name, sizeString):
if lineLen > 80:
arrayString += "\n"
lineLen -= 80
lineLen = 0
arrayString += item
print(arrayString[:-1])
print("}; // " + name + "\n")
print("}; // " + name)
if GUARDS:
print("#ifndef " + NAME.upper() + "_TEXTURE_H")
@ -122,12 +141,13 @@ if GUARDS:
if USE_PALETTE:
printArray(paletteArray,NAME + "Palette",str(len(paletteArray)))
print("")
print("#define " + NAME.upper() + "_TEXTURE_WIDTH " + str(OUT_WIDTH))
print("#define " + NAME.upper() + "_TEXTURE_HEIGHT " + str(OUT_HEIGHT))
print("")
printArray(imageArray,NAME + "Texture",NAME.upper() + "_TEXTURE_WIDTH * " + NAME.upper() + "_TEXTURE_HEIGHT * 3")
printArray(imageArray,NAME + "Texture",str(len(imageArray)))
if GUARDS:
print("\n#endif // guard")