From e831613f3e7ceb27088bd30d246dee8bad2a406a Mon Sep 17 00:00:00 2001 From: Don Allingham Date: Thu, 7 Feb 2002 03:32:14 +0000 Subject: [PATCH] Simplified image handling svn: r760 --- src/ImgManip.py | 316 ++++++++++++++++++++++-------------------------- 1 file changed, 142 insertions(+), 174 deletions(-) diff --git a/src/ImgManip.py b/src/ImgManip.py index fedc7d691..1b10fbf0f 100644 --- a/src/ImgManip.py +++ b/src/ImgManip.py @@ -28,6 +28,7 @@ import const #------------------------------------------------------------------------- try: import PIL.Image + import StringIO no_pil = 0 except: import popen2 @@ -39,183 +40,150 @@ except: class ImgManip: def __init__(self,source): - self.source = source + self.src = source + + if no_pil: + + def size(self): + img = GdkImlib.Image(self.src) + return (img.rgb_width,img.rgb_height) + + def fmt_thumbnail(self,dest,width,height,cnv): + w = int(width) + h = int(height) + cmd = "%s -geometry %dx%d '%s' '%s:%s'" % (const.convert,w,h,self.src,cnv,dest) + os.system(cmd) + + def fmt_convert(self,dest,cnv): + cmd = "%s '%s' '%s:%s'" % (const.convert,self.src,cnv,dest) + os.system(cmd) + + def fmt_data(self,cnv): + cmd = "%s '%s' '%s:-'" % (const.convert,cnv,self.src) + r,w = popen2.popen2(cmd) + buf = r.read() + r.close() + w.close() + return buf + + def fmt_scale_data(self,x,y,cnv): + cmd = "%s -geometry %dx%d '%s' '%s:-'" % (const.convert,x,y,cnv,self.src) + r,w = popen2.popen2(cmd) + buf = r.read() + r.close() + w.close() + return buf + + def eps_data(self): + return self.fmt_data("eps") + + def eps_scale_data(self,x,y): + return self.fmt_scale_data("eps") + + else: + + def size(self): + return PIL.Image.open(self.src).size + + def fmt_thumbnail(self,dest,width,height,pil): + im = PIL.Image.open(self.src) + im.thumbnail((width,height)) + if im.mode != 'RGB': + im.draft('RGB',im.size) + im = im.convert("RGB") + im.save(dest,pil) + + def fmt_convert(self,dest,pil): + im = PIL.Image.open(self.src) + if im.mode != 'RGB': + im.draft('RGB',im.size) + im = im.convert("RGB") + im.save(dest,pil) + + def fmt_data(self,pil): + im = PIL.Image.open(self.src) + if im.mode != 'RGB': + im.draft('RGB',im.size) + im = im.convert("RGB") + return im.tostring(pil,"RGB") + + def fmt_scale_data(self,x,y,pil): + im = PIL.Image.open(self.src) + im.thumbnail((x,y)) + if im.mode != 'RGB': + im.draft('RGB',im.size) + im = im.convert("RGB") + return im.tostring(pil,"RGB") + + def eps_data(self): + g = StringIO.StringIO() + im = PIL.Image.open(self.src) + if im.mode != 'RGB': + im.draft('RGB',im.size) + im = im.convert("RGB") + im.save(g,"eps") + g.seek(0) + buf = g.read() + g.close() + return buf + + def eps_scale_data(self,x,y): + + # need to write to a file-like object, otherwise + # PIL won't generate the header information + g = StringIO.StringIO() + im = PIL.Image.open(self.src) + im.thumbnail((x,y)) + if im.mode != 'RGB': + im.draft('RGB',im.size) + im = im.convert("RGB") + im.save(g,"eps") + g.seek(0) + buf = g.read() + g.close() + return buf def jpg_thumbnail(self,dest,width,height): - if no_pil: - w = int(width) - h = int(height) - cmd = "%s -geometry %dx%d '%s' 'jpg:%s'" % (const.convert,w,h,self.source,dest) - os.system(cmd) - else: - im = PIL.Image.open(self.source) - im.thumbnail((width,height)) - if im.mode != 'RGB': - im.draft('RGB',im.size) - im = im.convert("RGB") - im.save(dest,"JPEG") - - def size(self): - if no_pil: - img = GdkImlib.Image(self.source) - return (img.rgb_width,img.rgb_height) - else: - return PIL.Image.open(self.source).size - - def jpg_data(self): - if no_pil: - cmd = "%s '%s' 'jpg:-'" % (const.convert,self.source) - r,w = popen2.popen2(cmd) - buf = r.read() - r.close() - w.close() - return buf - else: - im = PIL.Image.open(self.source) - if im.mode != 'RGB': - im.draft('RGB',im.size) - im = im.convert("RGB") - return im.tostring("jpeg","RGB") - - def jpg_scale_data(self,x,y): - if no_pil: - cmd = "%s -geometry %dx%d '%s' 'jpg:-'" % (const.convert,x,y,self.source) - r,w = popen2.popen2(cmd) - buf = r.read() - r.close() - w.close() - return buf - else: - im = PIL.Image.open(self.source) - im.thumbnail((x,y)) - if im.mode != 'RGB': - im.draft('RGB',im.size) - im = im.convert("RGB") - return im.tostring("jpeg","RGB") - - def eps_data(self): - if no_pil: - cmd = "%s '%s' 'eps:-'" % (const.convert,self.source) - r,w = popen2.popen2(cmd) - buf = r.read() - r.close() - w.close() - return buf - else: - import StringIO - - g = StringIO.StringIO() - im = PIL.Image.open(self.source) - im.save(g,"eps") - g.seek(0) - buf = g.read() - g.close() - return buf - - def eps_scale_data(self,x,y): - if no_pil: - cmd = "%s -geometry %dx%d '%s' 'eps:-'" % (const.convert,x,y,self.source) - r,w = popen2.popen2(cmd) - buf = r.read() - r.close() - w.close() - return buf - else: - import StringIO - - g = StringIO.StringIO() - im = PIL.Image.open(self.source) - im.thumbnail((x,y)) - if im.mode != 'RGB': - im.draft('RGB',im.size) - im = im.convert("RGB") - im.save(g,"eps") - g.seek(0) - buf = g.read() - g.close() - return buf - - def eps_thumbnail(self,dest,width,height): - if no_pil: - w = int(width) - h = int(height) - cmd = "%s -geometry %dx%d '%s' 'eps:%s'" % (const.convert,w,h,self.source,dest) - os.system(cmd) - else: - im = PIL.Image.open(self.source) - im.thumbnail((width,height)) - if im.mode != 'RGB': - im.draft('RGB',im.size) - im = im.convert("RGB") - im.save(dest,"eps") - - def eps_convert(self,dest): - if no_pil: - cmd = "%s -geometry '%s' 'eps:%s'" % (const.convert,self.source,dest) - os.system(cmd) - else: - im = PIL.Image.open(self.source) - im.thumbnail((width,height)) - if im.mode != 'RGB': - im.draft('RGB',im.size) - im = im.convert("RGB") - im.save(dest,"eps") - - - def png_data(self): - if no_pil: - cmd = "%s -geometry '%s' 'jpg:-'" % (const.convert,self.source) - r,w = popen2.popen2(cmd) - buf = r.read() - r.close() - w.close() - return buf - else: - im = PIL.Image.open(self.source) - if im.mode != 'RGB': - im.draft('RGB',im.size) - im = im.convert("RGB") - return im.tostring("png","RGB") - - def png_scale_data(self,x,y): - if no_pil: - cmd = "%s -geometry %dx%d '%s' 'jpg:-'" % (const.convert,x,y,self.source) - r,w = popen2.popen2(cmd) - buf = r.read() - r.close() - w.close() - return buf - else: - im = PIL.Image.open(self.source) - im.thumbnail((x,y)) - if im.mode != 'RGB': - im.draft('RGB',im.size) - im = im.convert("RGB") - return im.tostring("png","RGB") + self.fmt_thumbnail(dest,width,height,"jpeg") def png_thumbnail(self,dest,width,height): - if no_pil: - w = int(width) - h = int(height) - cmd = "%s -geometry %dx%d '%s' 'png:%s'" % (const.convert,w,h,self.source,dest) - os.system(cmd) - else: - im = PIL.Image.open(self.source) - im.thumbnail((width,height)) - if im.mode != 'RGB': - im.draft('RGB',im.size) - im = im.convert("RGB") - im.save(dest,"PNG") + self.fmt_thumbnail(dest,width,height,"png") + + def eps_thumbnail(self,dest,width,height): + self.fmt_thumbnail(dest,width,height,"eps") + + def jpg_convert(self,dest): + self.fmt_convert(dest,"jpeg") + + def png_convert(self,dest): + self.fmt_convert(dest,"png") + + def eps_convert(self,dest): + self.fmt_convert(dest,"eps") + + def jpg_data(self): + return self.fmt_data("jpeg") + + def png_data(self): + return self.fmt_data("png") + + def jpg_scale_data(self,x,y): + return self.fmt(x,y,"jpeg") + + def png_scale_data(self,x,y): + return self.fmt(x,y,"png") + + +if __name__ == "__main__": + + import sys + + img = ImgManip(sys.argv[1]) + img.jpg_thumbnail("foo.jpg",50,50) + img.png_thumbnail("foo.png",50,50) + img.eps_thumbnail("foo.eps",50,50) + + + - def png_convert(self,dest) - if no_pil: - cmd = "%s '%s' 'png:%s'" % (const.convert,self.source,dest) - os.system(cmd) - else: - im = PIL.Image.open(self.source) - if im.mode != 'RGB': - im.draft('RGB',im.size) - im = im.convert("RGB") - im.save(dest,"PNG") -