Class: GdkPixbuf::Pixbuf
- Inherits:
-
Object
- Object
- GdkPixbuf::Pixbuf
- Extended by:
- GLib::Deprecatable
- Defined in:
- lib/gdk_pixbuf2/pixbuf.rb,
lib/gdk_pixbuf2/deprecated.rb
Class Method Summary collapse
Instance Method Summary collapse
- #composite(options) ⇒ Object
- #composite!(source, options) ⇒ Object
- #composite_raw ⇒ Object
- #dup ⇒ Object
- #fill!(pixel) ⇒ Object
-
#initialize(*args) ⇒ Pixbuf
constructor
A new instance of Pixbuf.
- #initialize_raw ⇒ Object
- #rotate(angle) ⇒ Object
- #saturate_and_pixelate(saturation, pixelate) ⇒ Object
- #saturate_and_pixelate_raw ⇒ Object
- #save(*args) ⇒ Object
-
#scale(*args) ⇒ Object
TODO: test TODO: Improve API by Hash.
-
#scale!(source, *args) ⇒ Object
TODO: test TODO: Improve API by Hash.
- #scale_raw ⇒ Object
Constructor Details
#initialize(*args) ⇒ Pixbuf
Returns a new instance of Pixbuf.
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 21 def initialize(*args) case args.size when 1 case args[0] when Hash initialize_with_hash(args[0]) when String = "#{caller[0]}: #{self.class}.new(path) is deprecated. " << "Use #{self.class}.new(:file => path) instead." warn initialize_raw(args[0]) when Array = "#{caller[0]}: #{self.class}.new(xpm) is deprecated. " << "Use #{self.class}.new(:xpm => xpm) instead." warn initialize_new_from_xpm_data(args[0]) else raise ArgumentError, "must be options: #{args[0].inspect}" end when 2 = "#{caller[0]}: " << "#{self.class}.new(data, copy_pixels) is deprecated. " << "Use Gio::Resource instead." warn initialize_from_inline(*args) when 3 = "#{caller[0]}: " << "#{self.class}.new(path, width, height) is deprecated. " << "Use #{self.class}.new(:file => path, :width => width, " << ":height => height) instead." warn initialize_new_from_file_at_size(*args) when 4 = "#{caller[0]}: " << "#{self.class}.new(path, width, height, " << "preserve_aspect_ratio) is deprecated. " << "Use #{self.class}.new(:file => path, :width => width, " << ":height => height, " << ":preserve_aspect_ratio => preserve_aspect_ratio) instead." warn initialize_new_from_file_at_scale(*args) when 5 = "#{caller[0]}: " << "#{self.class}.new(colorspace, has_alpha, bits_per_sample, " << "width, height) is deprecated." << "Use #{self.class}.new(:colorspace => colorspace, " << ":has_alpha => has_alpha, " << ":bits_per_sample => bits_per_sample, " << ":width => width, " << ":height => height) instead." warn initialize_new(*args) when 7 = "#{caller[0]}: " << "#{self.class}.new(data, colorspace, has_alpha, " << "bits_per_sample, width, height) is deprecated." << "Use #{self.class}.new(:data => data, " << ":colorspace => colorspace, " << ":has_alpha => has_alpha, " << ":bits_per_sample => bits_per_sample, " << ":width => width, " << ":height => height) instead." warn initialize_new_from_data(*args) else super end end |
Class Method Details
.new(*args, &block) ⇒ Object
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# File 'lib/gdk_pixbuf2/deprecated.rb', line 26 def new(*args, &block) if args[0].is_a?(Pixbuf) = "#{caller[0]}: #{self}.new(pixbuf, ...) is deprecated. " << "Use pixbuf.new_subpixbuf(...) instead." warn() args[0].new_subpixbuf(*args[1..-1]) elsif args.size == 1 and args[0].is_a?(Hash) = args[0] src_pixbuf = [:src_pixbuf] if src_pixbuf = "#{caller[0]}: " << "#{self}.new(:src_pixbuf => pixbuf, ...) is deprecated. " << "Use pixbuf.new_subpixbuf(...) instead." warn() src_pixbuf.new_subpixbuf([:src_x], [:src_y], [:width], [:height]) else super end else super end end |
Instance Method Details
#composite(options) ⇒ Object
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 288 def composite() destination = [:destination] || [:dest] dest_x = [:destination_x] || [:dest_x] || 0 dest_y = [:destination_y] || [:dest_y] || 0 dest_width = [:destination_width] || [:dest_width] dest_height = [:destination_height] || [:dest_height] destination ||= Pixbuf.new(colorspace, has_alpha?, bits_per_sample, dest_x + dest_width, dest_y + dest_height) destination.composite!(self, ) destination end |
#composite!(source, options) ⇒ Object
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 304 def composite!(source, ) dest_x = [:destination_x] || [:dest_x] || 0 dest_y = [:destination_y] || [:dest_y] || 0 dest_width = [:destination_width] || [:dest_width] dest_height = [:destination_height] || [:dest_height] offset_x = [:offset_x] || 0.0 offset_y = [:offset_y] || 0.0 scale_x = [:scale_x] || (dest_width / source.width.to_f) scale_y = [:scale_y] || (dest_height / source.height.to_f) interpolation_type = [:interpolation_type] || [:interp_type] || :bilinear overall_alpha = [:overall_alpha] || 255 check_x = [:check_x] || 0 check_y = [:check_y] || 0 check_size = [:check_size] color1 = [:color1] || 0x999999 color2 = [:color2] || 0xdddddd if check_size source.composite_color(self, dest_x, dest_y, dest_width, dest_height, offset_x, offset_y, scale_x, scale_y, interpolation_type, overall_alpha, check_x, check_y, check_size, color1, color2) else source.composite_raw(self, dest_x, dest_y, dest_width, dest_height, offset_x, offset_y, scale_x, scale_y, interpolation_type, overall_alpha) end end |
#composite_raw ⇒ Object
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 287 alias_method :composite_raw, :composite |
#dup ⇒ Object
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 173 def dup copy end |
#fill!(pixel) ⇒ Object
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 183 def fill!(pixel) fill(pixel) end |
#initialize_raw ⇒ Object
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 19 alias_method :initialize_raw, :initialize |
#rotate(angle) ⇒ Object
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 187 def rotate(angle) rotate_simple(angle) end |
#saturate_and_pixelate(saturation, pixelate) ⇒ Object
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 192 def saturate_and_pixelate(saturation, pixelate) dest = dup saturate_and_pixelate_raw(dest, saturation, pixelate) dest end |
#saturate_and_pixelate_raw ⇒ Object
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 191 alias_method :saturate_and_pixelate_raw, :saturate_and_pixelate |
#save(type, options = {}) ⇒ String, void #save(filename, type, options = {}) ⇒ void
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 223 def save(*args) case args.size when 1 filename = nil type, = args = {} when 2 if args.last.is_a?(Hash) type, = args if .key?(:filename) = .dup filename = .delete(:filename) else filename = nil end else filename, type = args = {} end when 3 filename, type, = args else = "wrong number of arguments (given #{args.size}, expected 1..3)" raise ArgumentError, end keys = [] values = [] .each do |key, value| key = key.to_s if key.is_a?(Symbol) keys << key values << value end if filename savev(filename, type, keys, values) else _, data = save_to_bufferv(type, keys, values) data.pack("C*") end end |
#scale(*args) ⇒ Object
TODO: test TODO: Improve API by Hash
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 267 def scale(*args) case args.size when 2, 3 width, height, interp_type = args interp_type ||= :bilinear scale_simple(width, height, interp_type) else scale_raw(*args) end end |
#scale!(source, *args) ⇒ Object
TODO: test TODO: Improve API by Hash
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 280 def scale!(source, *args) if args.size == 8 args << :bilinear end source.scale_raw(self, *args) end |
#scale_raw ⇒ Object
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# File 'lib/gdk_pixbuf2/pixbuf.rb', line 264 alias_method :scale_raw, :scale |