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fixed rmagic

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This commit is contained in:
Scott Davis 2011-02-24 05:21:37 -05:00
parent bc13d6aed5
commit a4861298a7
2 changed files with 18 additions and 26 deletions
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25
lib/compass/sass_extensions/sprites/base.rb
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@ -111,6 +111,7 @@ module Compass
end
def generation_required?
puts !File.exists?(filename) || outdated?
!File.exists?(filename) || outdated?
end
@ -129,7 +130,6 @@ module Compass
@uniqueness_hash
end
# saves the sprite for later retrieval
def save!(output_png)
saved = output_png.save filename
Compass.configuration.run_callback(:sprite_saved, filename)
@ -138,31 +138,12 @@ module Compass
# All the full-path filenames involved in this sprite
def image_filenames
image_names.map do |image_name|
File.join(Compass.configuration.images_path, image_name)
end
end
def save!(output_png)
saved = output_png.save filename
Compass.configuration.run_callback(:sprite_saved, filename)
saved
end
# All the full-path filenames involved in this sprite
def image_filenames
image_names.map do |image_name|
File.join(Compass.configuration.images_path, image_name)
end
@images.map(&:file)
end
# Checks whether this sprite is outdated
def outdated?
last_update = self.mtime
image_filenames.each do |image|
return true if File.mtime(image) > last_update
end
false
@images.map(&:mtime).any? { |mtime| mtime > self.mtime }
end
def mtime

19
lib/compass/sass_extensions/sprites/engines/rmagick_engine.rb
View File

@ -5,19 +5,30 @@ module Compass
class ::Magick::Image
alias :save :write
end
def composite_images(dest_image, src_image, x, y)
width = [src_image.columns + x, dest_image.columns].max
height = [src_image.rows + y, dest_image.rows].max
image = Magick::Image.new(width, height) {self.background_color = 'none'}
image.composite!(dest_image, 0, 0, Magick::CopyCompositeOp)
image.composite!(src_image, x, y, Magick::CopyCompositeOp)
image
end
# Returns a PNG object
def construct_sprite
output_png = Magick::Image.new(width, height)
output_png.background_color = 'transparent'
output_png.format = 'PNG'
output_png.background_color = 'none'
output_png.format = 'PNG24'
images.each do |image|
input_png = Magick::Image.read(image.file).first
if image.repeat == "no-repeat"
output_png.composite!(input_png, image.left, image.top, Magick::CopyCompositeOp)
output_png = composite_images(output_png, input_png, image.left, image.top)
else
x = image.left - (image.left / image.width).ceil * image.width
while x < width do
output_png.composite!(input_png, x, image.top, Magick::CopyCompositeOp)
output_png = composite_images(output_png, input_png, x, image.top)
#output_png.composite!(input_png, x, image.top, Magick::CopyCompositeOp)
x += image.width
end
end