LoveFrames/objects/image.lua

400 lines
9.4 KiB
Lua
Raw Normal View History

--[[------------------------------------------------
-- Love Frames - A GUI library for LOVE --
-- Copyright (c) 2013 Kenny Shields --
--]]------------------------------------------------
2013-11-25 13:06:41 +00:00
-- image object
local newobject = loveframes.NewObject("image", "loveframes_object_image", true)
--[[---------------------------------------------------------
- func: initialize()
- desc: initializes the object
--]]---------------------------------------------------------
function newobject:initialize()
self.type = "image"
self.width = 0
self.height = 0
self.orientation = 0
self.scalex = 1
self.scaley = 1
self.offsetx = 0
self.offsety = 0
self.shearx = 0
self.sheary = 0
self.internal = false
self.image = nil
self.imagecolor = nil
end
--[[---------------------------------------------------------
- func: update(deltatime)
- desc: updates the object
--]]---------------------------------------------------------
function newobject:update(dt)
local state = loveframes.state
local selfstate = self.state
if state ~= selfstate then
return
end
local visible = self.visible
local alwaysupdate = self.alwaysupdate
if not visible then
if not alwaysupdate then
return
end
end
local parent = self.parent
local base = loveframes.base
local update = self.Update
self:CheckHover()
-- move to parent if there is a parent
if parent ~= base then
self.x = self.parent.x + self.staticx
self.y = self.parent.y + self.staticy
end
if update then
update(self, dt)
end
end
--[[---------------------------------------------------------
- func: draw()
- desc: draws the object
--]]---------------------------------------------------------
function newobject:draw()
local state = loveframes.state
local selfstate = self.state
if state ~= selfstate then
return
end
local visible = self.visible
if not visible then
return
end
local skins = loveframes.skins.available
local skinindex = loveframes.config["ACTIVESKIN"]
local defaultskin = loveframes.config["DEFAULTSKIN"]
local selfskin = self.skin
local skin = skins[selfskin] or skins[skinindex]
local drawfunc = skin.DrawImage or skins[defaultskin].DrawImage
local draw = self.Draw
local drawcount = loveframes.drawcount
-- set the object's draw order
self:SetDrawOrder()
if draw then
draw(self)
else
drawfunc(self)
end
end
--[[---------------------------------------------------------
- func: SetImage(image)
- desc: sets the object's image
--]]---------------------------------------------------------
function newobject:SetImage(image)
if type(image) == "string" then
self.image = love.graphics.newImage(image)
else
self.image = image
end
self.width = self.image:getWidth()
self.height = self.image:getHeight()
end
--[[---------------------------------------------------------
- func: GetImage()
- desc: gets the object's image
--]]---------------------------------------------------------
function newobject:GetImage()
return self.image
end
--[[---------------------------------------------------------
- func: SetColor(r, g, b, a)
- desc: sets the object's color
--]]---------------------------------------------------------
function newobject:SetColor(r, g, b, a)
self.imagecolor = {r, g, b, a}
end
--[[---------------------------------------------------------
- func: GetColor()
- desc: gets the object's color
--]]---------------------------------------------------------
function newobject:GetColor()
return unpack(self.imagecolor)
end
--[[---------------------------------------------------------
- func: SetOrientation(orientation)
- desc: sets the object's orientation
--]]---------------------------------------------------------
function newobject:SetOrientation(orientation)
self.orientation = orientation
end
--[[---------------------------------------------------------
- func: GetOrientation()
- desc: gets the object's orientation
--]]---------------------------------------------------------
function newobject:GetOrientation()
return self.orientation
end
--[[---------------------------------------------------------
- func: SetScaleX(scalex)
- desc: sets the object's x scale
--]]---------------------------------------------------------
function newobject:SetScaleX(scalex)
self.scalex = scalex
end
--[[---------------------------------------------------------
- func: GetScaleX()
- desc: gets the object's x scale
--]]---------------------------------------------------------
function newobject:GetScaleX()
return self.scalex
end
--[[---------------------------------------------------------
- func: SetScaleY(scaley)
- desc: sets the object's y scale
--]]---------------------------------------------------------
function newobject:SetScaleY(scaley)
self.scaley = scaley
end
--[[---------------------------------------------------------
- func: GetScaleY()
- desc: gets the object's y scale
--]]---------------------------------------------------------
function newobject:GetScaleY()
return self.scaley
end
--[[---------------------------------------------------------
- func: SetScale(scalex, scaley)
- desc: sets the object's x and y scale
--]]---------------------------------------------------------
function newobject:SetScale(scalex, scaley)
self.scalex = scalex
self.scaley = scaley
end
--[[---------------------------------------------------------
- func: GetScale()
- desc: gets the object's x and y scale
--]]---------------------------------------------------------
function newobject:GetScale()
return self.scalex, self.scaley
end
--[[---------------------------------------------------------
- func: SetOffsetX(x)
- desc: sets the object's x offset
--]]---------------------------------------------------------
function newobject:SetOffsetX(x)
self.offsetx = x
end
--[[---------------------------------------------------------
- func: GetOffsetX()
- desc: gets the object's x offset
--]]---------------------------------------------------------
function newobject:GetOffsetX()
return self.offsetx
end
--[[---------------------------------------------------------
- func: SetOffsetY(y)
- desc: sets the object's y offset
--]]---------------------------------------------------------
function newobject:SetOffsetY(y)
self.offsety = y
end
--[[---------------------------------------------------------
- func: GetOffsetY()
- desc: gets the object's y offset
--]]---------------------------------------------------------
function newobject:GetOffsetY()
return self.offsety
end
--[[---------------------------------------------------------
- func: SetOffset(x, y)
- desc: sets the object's x and y offset
--]]---------------------------------------------------------
function newobject:SetOffset(x, y)
self.offsetx = x
self.offsety = y
end
--[[---------------------------------------------------------
- func: GetOffset()
- desc: gets the object's x and y offset
--]]---------------------------------------------------------
function newobject:GetOffset()
return self.offsetx, self.offsety
end
--[[---------------------------------------------------------
- func: SetShearX(shearx)
- desc: sets the object's x shear
--]]---------------------------------------------------------
function newobject:SetShearX(shearx)
self.shearx = shearx
end
--[[---------------------------------------------------------
- func: GetShearX()
- desc: gets the object's x shear
--]]---------------------------------------------------------
function newobject:GetShearX()
return self.shearx
end
--[[---------------------------------------------------------
- func: SetShearY(sheary)
- desc: sets the object's y shear
--]]---------------------------------------------------------
function newobject:SetShearY(sheary)
self.sheary = sheary
end
--[[---------------------------------------------------------
- func: GetShearY()
- desc: gets the object's y shear
--]]---------------------------------------------------------
function newobject:GetShearY()
return self.sheary
end
--[[---------------------------------------------------------
- func: SetShear(shearx, sheary)
- desc: sets the object's x and y shear
--]]---------------------------------------------------------
function newobject:SetShear(shearx, sheary)
self.shearx = shearx
self.sheary = sheary
end
--[[---------------------------------------------------------
- func: GetShear()
- desc: gets the object's x and y shear
--]]---------------------------------------------------------
function newobject:GetShear()
return self.shearx, self.sheary
end
--[[---------------------------------------------------------
- func: GetImageSize()
- desc: gets the size of the object's image
--]]---------------------------------------------------------
function newobject:GetImageSize()
local image = self.image
if image then
return image:getWidth(), image:getHeight()
end
end
--[[---------------------------------------------------------
- func: GetImageWidth()
- desc: gets the width of the object's image
--]]---------------------------------------------------------
function newobject:GetImageWidth()
local image = self.image
if image then
return image:getWidth()
end
end
--[[---------------------------------------------------------
- func: GetImageWidth()
- desc: gets the height of the object's image
--]]---------------------------------------------------------
function newobject:GetImageHeight()
local image = self.image
if image then
return image:getHeight()
end
2012-05-06 00:24:42 +00:00
end