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CoverImage plugin: allow writing grayscale BMPs (#8054)

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This commit is contained in:
zwim
2021-08-16 02:11:54 +02:00
committed by GitHub
parent 5bbcb9ea79
commit 1a526a33c2
2 changed files with 13 additions and 8 deletions
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2
base

Submodule base updated: 00749f6861...3e006501df

19
plugins/coverimage.koplugin/main.lua
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@@ -74,6 +74,7 @@ function CoverImage:init()
self.cover_image_path = G_reader_settings:readSetting("cover_image_path") or Device:getDefaultCoverPath()
self.cover_image_format = G_reader_settings:readSetting("cover_image_format") or "auto"
self.cover_image_quality = G_reader_settings:readSetting("cover_image_quality") or 75
self.cover_image_grayscale = G_reader_settings:readSetting("cover_image_grayscale") or false
self.cover_image_stretch_limit = G_reader_settings:readSetting("cover_image_stretch_limit") or 8
self.cover_image_background = G_reader_settings:readSetting("cover_image_background") or "black"
self.cover_image_fallback_path = G_reader_settings:readSetting("cover_image_fallback_path") or default_fallback_path
@@ -121,7 +122,7 @@ function CoverImage:createCoverImage(doc_settings)
if self.cover_image_background == "none" or scale_factor == 1 then
local act_format = self.cover_image_format == "auto" and getExtension(self.cover_image_path) or self.cover_image_format
if not cover_image:writeToFile(self.cover_image_path, act_format, self.cover_image_quality) then
if not cover_image:writeToFile(self.cover_image_path, act_format, self.cover_image_quality, self.cover_image_grayscale) then
UIManager:show(InfoMessage:new{
text = _("Error writing file") .. "\n" .. self.cover_image_path,
show_icon = true,
@@ -166,7 +167,7 @@ function CoverImage:createCoverImage(doc_settings)
cover_image:free()
local act_format = self.cover_image_format == "auto" and getExtension(self.cover_image_path) or self.cover_image_format
if not image:writeToFile(self.cover_image_path, act_format, self.cover_image_quality) then
if not image:writeToFile(self.cover_image_path, act_format, self.cover_image_quality, self.cover_image_grayscale) then
UIManager:show(InfoMessage:new{
text = _("Error writing file") .. "\n" .. self.cover_image_path,
show_icon = true,
@@ -210,7 +211,7 @@ function CoverImage:getCacheFile()
local dummy, document_name = util.splitFilePathName(self.ui.document.file)
-- use document_name here. Title may contain characters not allowed on every filesystem (esp. vfat on /sdcard)
local key = document_name .. "_" .. self.cover_image_quality .. "_" .. self.cover_image_stretch_limit .. "_"
.. self.cover_image_background .. "_" .. self.cover_image_format
.. self.cover_image_background .. "_" .. self.cover_image_format .. "_" .. tostring(self.cover_image_grayscale)
return self.cover_image_cache_path .. self.cover_image_cache_prefix .. md5(key) .. "." .. getExtension(self.cover_image_path)
end
@@ -567,17 +568,20 @@ function CoverImage:menuEntrySetPath(key, title, help, info, default, folder_onl
}
end
function CoverImage:menuEntryFormat(title, format)
function CoverImage:menuEntryFormat(title, format, grayscale)
return {
text = title,
checked_func = function()
return self.cover_image_format == format
return self.cover_image_format == format and self.cover_image_grayscale == grayscale
end,
callback = function()
local old_cover_image_format = self.cover_image_format
local old_cover_image_grayscale = self.cover_image_grayscale
self.cover_image_format = format
G_reader_settings:saveSetting("cover_image_format", format)
if self:coverEnabled() and old_cover_image_format ~= format then
self.cover_image_grayscale = grayscale
G_reader_settings:saveSetting("cover_image_grayscale", grayscale)
if self:coverEnabled() and (old_cover_image_format ~= format or old_cover_image_grayscale ~= grayscale) then
self:createCoverImage(self.ui.doc_settings)
end
end,
@@ -661,7 +665,8 @@ function CoverImage:menuEntrySBF()
},
self:menuEntryFormat(_("JPG file format"), "jpg"),
self:menuEntryFormat(_("PNG file format"), "png"),
self:menuEntryFormat(_("BMP file format"), "bmp"),
self:menuEntryFormat(_("BMP file format (color)"), "bmp"),
self:menuEntryFormat(_("BMP file format (grayscale)"), "bmp", true),
},
}
end