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Contents
require_relative 'cairo_context_wrapper'
module Squib
class Deck
# Draw cards in a fan.
# @api private
def render_hand(range, sheet, hand)
cards = range.collect { |i| @cards[i] }
center_x = width / 2.0
center_y = hand.radius + height
out_size = 3.0 * center_y
angle_delta = (hand.angle_range.last - hand.angle_range.first) / cards.size
cxt = Cairo::Context.new(Cairo::RecordingSurface.new(0, 0, out_size, out_size))
cxt.translate(out_size / 2.0, out_size / 2.0)
cxt.rotate(hand.angle_range.first)
cxt.translate(-width, -width)
cards.each_with_index do |card, i|
cxt.translate(center_x, center_y)
cxt.rotate(angle_delta)
cxt.translate(-center_x, -center_y)
card.use_cairo do |card_cxt|
cxt.rounded_rectangle(sheet.trim, sheet.trim,
width - (2 * sheet.trim), height - (2 * sheet.trim),
sheet.trim_radius, sheet.trim_radius)
cxt.clip
cxt.set_source(card_cxt.target)
cxt.paint
cxt.reset_clip
end
end
x, y, w, h = cxt.target.ink_extents # I love Ruby assignment ;)
png_cxt = Squib::Graphics::CairoContextWrapper.new(Cairo::Context.new(Cairo::ImageSurface.new(w + 2 * sheet.margin, h + 2 * sheet.margin)))
png_cxt.set_source_squibcolor(sheet.fill_color)
png_cxt.paint
png_cxt.translate(-x + sheet.margin, -y + sheet.margin)
png_cxt.set_source(cxt.target)
png_cxt.paint
png_cxt.target.write_to_png sheet.full_filename
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems