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Allow zero image coordinates - fixes #25

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This commit is contained in:
Devon Govett 2011-08-19 18:33:43 -04:00
parent 1812f90281
commit 753e41462b
1 changed files with 26 additions and 27 deletions
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53
lib/mixins/images.coffee
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@ -5,13 +5,13 @@ module.exports =
@_imageRegistry = {}
@_imageCount = 0
image: (src, x, y, options) ->
image: (src, x, y, options = {}) ->
if typeof x is 'object'
options = x
x = null
x = x or options?.x or @x
y = y or options?.y or @y
x = x ? options.x ? @x
y = y ? options.y ? @y
if @_imageRegistry[src]
[image, obj, label] = @_imageRegistry[src]
@ -22,34 +22,33 @@ module.exports =
label = "I" + (++@_imageCount)
@_imageRegistry[src] = [image, obj, label]
w = options?.width or image.width
h = options?.height or image.height
w = options.width or image.width
h = options.height or image.height
if options
if options.width and not options.height
wp = w / image.width
w = image.width * wp
h = image.height * wp
if options.width and not options.height
wp = w / image.width
w = image.width * wp
h = image.height * wp
else if options.height and not options.width
hp = h / image.height
w = image.width * hp
h = image.height * hp
else if options.height and not options.width
hp = h / image.height
w = image.width * hp
h = image.height * hp
else if options.scale
w = image.width * options.scale
h = image.height * options.scale
else if options.scale
w = image.width * options.scale
h = image.height * options.scale
else if options.fit
[bw, bh] = options.fit
bp = bw / bh
ip = image.width / image.height
if ip > bp
w = bw
h = bw / ip
else
h = bh
w = bh * ip
else if options.fit
[bw, bh] = options.fit
bp = bw / bh
ip = image.width / image.height
if ip > bp
w = bw
h = bw / ip
else
h = bh
w = bh * ip
# Set the current y position to below the image if it is in the document flow
@y += h if @y is y