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(filename, type, options = {}) ⇒ Object
TODO: test TODO: Improve API by Hash.
-
#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.
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 |
# 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
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 |
# 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
215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 215 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
231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 231 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
214 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 214 alias_method :composite_raw, :composite |
#dup ⇒ Object
160 161 162 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 160 def dup copy end |
#fill!(pixel) ⇒ Object
164 165 166 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 164 def fill!(pixel) fill(pixel) end |
#initialize_raw ⇒ Object
19 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 19 alias_method :initialize_raw, :initialize |
#rotate(angle) ⇒ Object
168 169 170 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 168 def rotate(angle) rotate_simple(angle) end |
#saturate_and_pixelate(saturation, pixelate) ⇒ Object
173 174 175 176 177 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 173 def saturate_and_pixelate(saturation, pixelate) dest = dup saturate_and_pixelate_raw(dest, saturation, pixelate) dest end |
#saturate_and_pixelate_raw ⇒ Object
172 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 172 alias_method :saturate_and_pixelate_raw, :saturate_and_pixelate |
#save(filename, type, options = {}) ⇒ Object
TODO: test TODO: Improve API by Hash
181 182 183 184 185 186 187 188 189 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 181 def save(filename, type, ={}) keys = [] values = [] .each do |key, value| keys << key values << value end savev(filename, type, keys, values) end |
#scale(*args) ⇒ Object
TODO: test TODO: Improve API by Hash
194 195 196 197 198 199 200 201 202 203 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 194 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
207 208 209 210 211 212 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 207 def scale!(source, *args) if args.size == 8 args << :bilinear end source.scale_raw(self, *args) end |
#scale_raw ⇒ Object
191 |
# File 'lib/gdk_pixbuf2/pixbuf.rb', line 191 alias_method :scale_raw, :scale |