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Code Issues Projects Releases Wiki Activity

CoverImage plugin: allow saving covers as BMP (#6904)

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reviewable/pr6921/r1
zwim 3 years ago committed by GitHub
parent da95091e7b
commit 3137f5a158
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 76 additions and 15 deletions
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2
base

@ -1 +1 @@
Subproject commit ef93cf4b413ae0cdc0f91d03769d98f3648fbe26
Subproject commit 7f96b5dfb248f6478492cbba3b86101f5a3cb315

89
plugins/coverimage.koplugin/main.lua
Unescape Escape View File

@ -33,6 +33,11 @@ local function pathOk(filename)
return true
end
local function getExtension(filename)
local _, name = util.splitFilePathName(filename)
return util.getFileNameSuffix(name):lower()
end
local CoverImage = WidgetContainer:new{
name = "coverimage",
is_doc_only = true,
@ -40,6 +45,8 @@ local CoverImage = WidgetContainer:new{
function CoverImage:init()
self.cover_image_path = G_reader_settings:readSetting("cover_image_path") or "cover.png"
self.cover_image_format = G_reader_settings:readSetting("cover_image_format") or "auto"
self.cover_image_extension = getExtension(self.cover_image_path)
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 "cover_fallback.png"
self.enabled = G_reader_settings:isTrue("cover_image_enabled")
@ -80,7 +87,8 @@ function CoverImage:createCoverImage(doc_settings)
local scale_factor = math.min(s_w / i_w, s_h / i_h)
if self.cover_image_background == "none" or scale_factor == 1 then
cover_image:writePNG(self.cover_image_path, false)
local act_format = self.cover_image_format == "auto" and self.cover_image_extension or self.cover_image_format
cover_image:writeToFile(self.cover_image_path, act_format)
cover_image:free()
return
end
@ -89,7 +97,7 @@ function CoverImage:createCoverImage(doc_settings)
cover_image = RenderImage:scaleBlitBuffer(cover_image, scaled_w, scaled_h)
-- new buffer with screen dimensions,
local image = Blitbuffer.new( s_w, s_h, cover_image:getType() ) -- new buffer, filled with black
local image = Blitbuffer.new(s_w, s_h, cover_image:getType()) -- new buffer, filled with black
if self.cover_image_background == "white" then
image:fill(Blitbuffer.COLOR_WHITE)
elseif self.cover_image_background == "gray" then
@ -98,12 +106,15 @@ function CoverImage:createCoverImage(doc_settings)
-- copy scaled image to buffer
if s_w > scaled_w then -- move right
image:blitFrom(cover_image, math.floor( (s_w - scaled_w) / 2 ), 0, 0, 0, scaled_w, scaled_h)
image:blitFrom(cover_image, math.floor((s_w - scaled_w) / 2), 0, 0, 0, scaled_w, scaled_h)
else -- move down
image:blitFrom(cover_image, 0, math.floor( (s_h - scaled_h) / 2 ), 0, 0, scaled_w, scaled_h)
image:blitFrom(cover_image, 0, math.floor((s_h - scaled_h) / 2), 0, 0, scaled_w, scaled_h)
end
cover_image:free()
image:writePNG(self.cover_image_path, false)
local act_format = self.cover_image_format == "auto" and self.cover_image_extension or self.cover_image_format
image:writeToFile(self.cover_image_path, act_format)
image:free()
logger.dbg("CoverImage: image written to " .. self.cover_image_path)
end
@ -196,6 +207,7 @@ function CoverImage:addToMainMenu(menu_items)
})
end
end
self.cover_image_extension = getExtension(self.cover_image_path)
UIManager:close(sample_input)
menu:updateItems()
end,
@ -230,7 +242,7 @@ function CoverImage:addToMainMenu(menu_items)
},
-- menu entry: scale book cover
{
text = _("Size and background"),
text = _("Size, background and format"),
enabled_func = function()
return self.enabled
end,
@ -241,12 +253,13 @@ function CoverImage:addToMainMenu(menu_items)
return self.cover_image_background == "black"
end,
callback = function()
local old_background = self.cover_image_background
self.cover_image_background = "black"
G_reader_settings:saveSetting("cover_image_background", self.cover_image_background)
if self.enabled then
if self.enabled and old_background ~= self.cover_image_background then
self:createCoverImage(self.ui.doc_settings)
end
end
end,
},
{
text = _("Scale, white background"),
@ -254,12 +267,13 @@ function CoverImage:addToMainMenu(menu_items)
return self.cover_image_background == "white"
end,
callback = function()
local old_background = self.cover_image_background
self.cover_image_background = "white"
G_reader_settings:saveSetting("cover_image_background", self.cover_image_background)
if self.enabled then
if self.enabled and old_background ~= self.cover_image_background then
self:createCoverImage(self.ui.doc_settings)
end
end
end,
},
{
text = _("Scale, gray background"),
@ -267,12 +281,13 @@ function CoverImage:addToMainMenu(menu_items)
return self.cover_image_background == "gray"
end,
callback = function()
local old_background = self.cover_image_background
self.cover_image_background = "gray"
G_reader_settings:saveSetting("cover_image_background", self.cover_image_background)
if self.enabled then
if self.enabled and old_background ~= self.cover_image_background then
self:createCoverImage(self.ui.doc_settings)
end
end
end,
},
{
text = _("Original image"),
@ -280,12 +295,58 @@ function CoverImage:addToMainMenu(menu_items)
return self.cover_image_background == "none"
end,
callback = function()
local old_background = self.cover_image_background
self.cover_image_background = "none"
G_reader_settings:saveSetting("cover_image_background", self.cover_image_background)
if self.enabled then
if self.enabled and old_background ~= self.cover_image_background then
self:createCoverImage(self.ui.doc_settings)
end
end
end,
separator = true,
},
-- menu entries: File format
{
text = _("File format derived from filename"),
help_text = _("If the file format is not supported, then PNG will be used."),
checked_func = function()
return self.cover_image_format == "auto"
end,
callback = function()
local old_cover_image_format = self.cover_image_format
self.cover_image_format = "auto"
G_reader_settings:saveSetting("cover_image_format", self.cover_image_format)
if self.enabled and old_cover_image_format ~= self.cover_image_format then
self:createCoverImage(self.ui.doc_settings)
end
end,
},
{
text = _("PNG file format"),
checked_func = function()
return self.cover_image_format == "png"
end,
callback = function()
local old_cover_image_format = self.cover_image_format
self.cover_image_format = "png"
G_reader_settings:saveSetting("cover_image_format", self.cover_image_format)
if self.enabled and old_cover_image_format ~= self.cover_image_format then
self:createCoverImage(self.ui.doc_settings)
end
end,
},
{
text = _("BMP file format"),
checked_func = function()
return self.cover_image_format == "bmp"
end,
callback = function()
local old_cover_image_format = self.cover_image_format
self.cover_image_format = "bmp"
G_reader_settings:saveSetting("cover_image_format", self.cover_image_format)
if self.enabled and old_cover_image_format ~= self.cover_image_format then
self:createCoverImage(self.ui.doc_settings)
end
end,
},
}
},

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