From 7a2bf214347d1fbc10cf259d0f5130e9855af282 Mon Sep 17 00:00:00 2001 From: poire-z Date: Sat, 21 Apr 2018 22:00:52 +0200 Subject: [PATCH] PicDocument:getCoverPageImage(): use first page instead of MuPDF The dedicated image format library may often give better results than MuPDF (eg: for animated GIFs). --- frontend/document/picdocument.lua | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/frontend/document/picdocument.lua b/frontend/document/picdocument.lua index 154e65871..f8c28498f 100644 --- a/frontend/document/picdocument.lua +++ b/frontend/document/picdocument.lua @@ -41,15 +41,9 @@ function PicDocument:getProps() end function PicDocument:getCoverPageImage() - local f = io.open(self.file, "rb") - if f then - local data = f:read("*all") - f:close() - local Mupdf = require("ffi/mupdf") - local ok, image = pcall(Mupdf.renderImage, data, data:len()) - if ok then - return image - end + local first_page = self._document:openPage(1) + if first_page.image_bb then + return first_page.image_bb end return nil end