Sha256: dade56b30fce4d25c8cdc47c682c95ab369c04d1f62ab8121fdeb399faac4051
Contents?: true
Size: 1.44 KB
Versions: 18
Compression:
Stored size: 1.44 KB
Contents
class PSD
class Renderer
class Mask
attr_accessor :mask_data
def initialize(canvas, mask_layer = nil)
@canvas = canvas
@layer = canvas.node
@mask_layer = mask_layer || @layer
@mask_data = @mask_layer.image.mask_data
@mask = @mask_layer.mask
@mask_width = @mask.width.to_i
@mask_height = @mask.height.to_i
@mask_left = @mask.left.to_i + @mask_layer.left_offset
@mask_top = @mask.top.to_i + @mask_layer.top_offset
@doc_width = @layer.header.width.to_i
@doc_height = @layer.header.height.to_i
end
def apply!
PSD.logger.debug "Applying mask to #{@layer.name}"
@canvas.height.times do |y|
@canvas.width.times do |x|
doc_x = @canvas.left + x
doc_y = @canvas.top + y
mask_x = doc_x - @mask_left
mask_y = doc_y - @mask_top
color = ChunkyPNG::Color.to_truecolor_alpha_bytes(@canvas.get_pixel(x, y))
if doc_x < 0 || doc_x >= @doc_width || doc_y < 0 || doc_y >= @doc_height
color[3] = 0
elsif mask_x < 0 || mask_x >= @mask_width || mask_y < 0 || mask_y >= @mask_height
color[3] = 0
else
color[3] = color[3] * @mask_data[@mask_width * mask_y + mask_x] / 255
end
@canvas.set_pixel x, y, ChunkyPNG::Color.rgba(*color)
end
end
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems