Sử dụng photoshop cs5 part 53 ppsx

Editing and replacing Smart Objects To apply some types of edits to a Smart Object layer, such as Smart Filters see pages 320–324, blending mode and opacity changes, and layer effects, y

Editing and replacing Smart Objects

To apply some types of edits to a Smart Object layer,

such as Smart Filters (see pages 320–324), blending

mode and opacity changes, and layer effects, you

simply click the layer first Edits that change pixel

data, however, such as those made by the

paint-ing, healpaint-ing, sharpenpaint-ing, and cloning tools, can’t

be made directly to a Smart Object layer (try it,

and you’ll get an alert prompt about rasterizing the

layer; click Cancel) To make those types of edits,

you double-click the Smart Object layer thumbnail

first The embedded object opens in a temporary new

document in Photoshop, in the creator application

(Illustrator), or in the Camera Raw dialog When you

close the temporary window or dialog, your changes

will appear in the Photoshop document The original

file, from which the Smart Object layer was created,

remains unchanged

To edit a Smart Object layer:

1 Double-click the Smart Object layer thumbnail

If an alert regarding saving changes appears,

click OK If the PDF Modification Detected

alert appears next,A ★click “Discard Changes,

Preserving Illustrator Editing Capabilities,”

then click OK (don’t worry… the “changes” are

internal and inconsequential)

If the Smart Object layer contains one or more

Photoshop layers, a separate document will open

in Photoshop, containing those layers; if it

con-tains imported content, that content will open in

a document in the creator application; and if it’s

a Camera Raw image, the photo will open into

the Camera Raw dialog

2 For a Camera Raw file, adjust the settings, then

click OK For any other type of Smart Object,

edit the temporary document, save it without

changing the file name or location (press Ctrl-S/

Cmd-S), and then close it Your edits will display

in the Smart Object layer in Photoshop

➤ When you place vector art as a Smart Object into

a Photoshop document, it stays as vector art

When you output the Photoshop file, the vector

art is rendered at the resolution of the printer

RASTERIZING A SMART OBJECT LAYER

If you rasterize a Smart Object layer (convert it to a standard image layer), the contents of the embedded

fi le become inaccessible, and some edits, such as Smart Filters, are applied For this reason, we recom-mend copying the Smart Object layer fi rst by using the New Smart Object via Copy command (see above)

Then to rasterize the duplicate layer, right-click it and choose Rasterize Layer

There are two ways to duplicate a Smart Object layer

If the duplicate is linked to the original Smart Object layer, any pixel edits made to the original embedded file will automatically appear in the copy, and vice versa This is useful, say, if you want to apply identi-cal pixel edits to both the original and duplicate but apply a different Smart Filter or transformation, or different opacity, mask, or layer style settings If the duplicate isn’t linked to the original, you will be able

to rasterize the copy, while keeping the original as a Smart Object layer

To duplicate a Smart Object layer:

1 Click a Smart Object layer.

2. Do either of the following:

To create a duplicate of the layer that is linked

to the original Smart Object layer, press Ctrl-J/

Cmd-J Pixel edits to the original will appear in the copy, and vice versa (A–B, next page)

To create a duplicate of the layer that isn’t linked

to the original, right-click the layer and choose

New Smart Object via Copy Edits made to the

original Smart Object layer won’t affect the copy, and vice versa (C, next page)

A new Smart Object layer appears in the Layers panel, bearing the same name as the original layer, and by default, the word “copy” is added

A This alert dialog will appear if you try to edit a Smart Object that was created from an Adobe Illustrator file.

Via the Replace Contents command, you can swap existing Smart Object content with a different file

Or if you open the creator application and edit the original file that a Smart Object was created from (not by double-clicking the Smart Object thumbnail), you will need to use the Replace Contents command

to update the embedded file Any transformations, filters, or layer style settings that were applied to the Smart Object layer are applied to the replacement content

To replace the contents of a Smart Object with another file:

1 Right-click a Smart Object layer (not the

thumb-nail) and choose Replace Contents.The Place dialog opens

2. Locate a replacement file (either the same file that you have edited separately or an altogether

new file), then click Place Respond to any dialogs

that open (e.g., the Camera Raw dialog or the Place PDF dialog) The new image appears in the Smart Object layer

Photoshop layers that are converted to a Smart Object become embedded in the layer, and are acces-sible for editing only in the temporary document that opens when you double-click the layer thumbnail

If you need to, however, you can bring a copy of an embedded layer back into your document by follow-ing these steps

To reclaim embedded Photoshop layers from

a Smart Object:

1 In Photoshop, double-click a Smart Object layer

thumbnail, then click OK if an alert appears The embedded file opens in a separate document tab

2. Via the Arrange Documents menu, display both documents With the window for the embedded file active, drag a layer from the Layers panel into the original document window Or to copy multiple layers, Ctrl-click/Cmd-click the ones you want to copy first

3 Close the window for the embedded file (Any

Smart Filters or layer styles that you applied to the Smart Object layer won’t be applied to the copies.)

4. Optional: Delete the Smart Object layer.

Cmd-J shortcut, then double-clicked one of the layers.

in Illustrator, and we changed the color of the

laundry basket to green In the Photoshop

docu-ment, the change registered in both Smart Objects

Object Via Copy command, then edited one of them

in Illustrator The change appeared only in that layer.

A This is the original image.

Applying transformations

In Photoshop, you can apply scale, rotate, skew,

distort, and perspective transformations to a layer,

layer group, or selection, among other things (see

the sidebar at right) We’ll show you how to apply

multiple transformations via the Free Transform

command and the Move tool, which are the quickest

and most intuitive methods

Note: To help preserve the image quality, if you

need to apply multiple transformations, do it in one

pass and then accept the edits at the end, so the

image data is resampled only once

To apply transformations using the Free

Transform command or the Move tool:

1 On the Layers panel, click a layer, a layer group,

or the Background, or Shift-select multiple

layers.AAny layers that are linked to the one(s)

you have selected will also be transformed

Note: To transform the Background, you must

create a selection, and you must use the Free

Transform command in step 3

2 Optional: If you selected a single image layer,

you can create a selection to limit which part

of it is transformed

3 Do either of the following:

Choose Edit > Free Transform (Ctrl-T/Cmd-T)

Choose the Move tool, then check Show

Transform Controls on the Options bar.

4 A transform box with handles now surrounds

either the opaque part of the layer or the whole

selection To transform the layer, do one or more

of the following:

To scale it horizontally and vertically, drag a

corner handle; to scale it only horizontally or

vertically, drag a side handle; to scale it

propor-tionally, Shift-drag a corner handle; or to scale

it from the current reference point, Alt-drag/

Option-drag a handle (add Shift to scale it

pro-portionally from the reference point).B

To rotate it,position the pointer just outside a

corner handle (the pointer becomes a curved,

two-headed arrow), then drag in a circular

direc-tion.Shift-drag to constrain the rotation to a

multiple of 15°

To skew it,Ctrl-drag/Cmd-drag a side handle

(Include Shift to constrain the movement.)

WHAT CAN BE TRANSFORMED?

You can transform any of the following: an image, type, shape, or Smart Object layer; a layer group; a selec-tion on an image layer or the Background; or the white area in an alpha channel Note that you can scale, rotate, or skew an editable type layer, but to apply a distortion or perspective transformation to it, you must rasterize it fi rst To transform a selection marquee, choose Select > Transform Selection

USING SMART GUIDES

Make sure the View > Extras and View > Show > Smart Guides commands have a check mark As you apply a transformation, you can snap the edge of the trans-form box to a Smart Guide, which will display as your pointer nears the edge or middle of the contents of another layer

we’re scaling the new layer.

APPLYING TRANSFORMATIONS VIA THE OPTIONS BAR

When you choose the Edit > Free Transform command (Ctrl-T/Cmd-T), features become available on the Options bar

for applying transform edits You can either enter specifi c values or use the scrubby sliders If you want to change the

reference point for a transformation, click one of the squares on the Reference Point Location icon

Reference Point

Location

Horizontal

Position of

Reference Point

Use Relative Positioning for Reference

Point (in its off state)

Vertical Position

of Reference Point

Rotation Angle

Maintain Aspect Ratio

Vertical Scale

Horizontal Skew Angle

Vertical Skew Angle

Switch Between Free Transform and Warp Modes

Cancel Transform

Commit Transform Horizontal

Scale

To distort it,Ctrl-drag/Cmd-drag a corner

handle.A

To apply perspective to it,Ctrl-Alt-Shift-drag/

Cmd-Option-Shift-drag a corner handle along the

horizontal or vertical axis to create one-point

perspective along that axis (the pointer becomes

a gray arrowhead) The adjacent corner will move

symmetrically.B

5 To accept the transformation, double-click inside

the bounding box or click the Commit Transform

button on the Options bar (Enter/Return)

To cancel the transformation, click the Cancel

Transform button or press Esc You must

either accept or cancel to resume normal editing

Note: If you transform an image layer or a

selection on an image layer, pixels outside the

transform box will become transparent If you

transform a selection on the Background, areas

outside the transform box will be filled with the

current Background color

➤ To undo the last handle edit, choose Edit > Undo

➤ As you perform a transformation, you can view readouts pertaining to your edits on the Options bar and the Info panel

➤ You can drag the reference point, from which the layer or selection is transformed, to a different location from its default location in the center

For a rotation transformation, it helps to move the reference point outside the transform box

➤ To free transform a copy of a layer, hold down Alt/Option and choose Edit > Free Transform

To repeat the last transformation, choose Edit >

Transform > Again or press Ctrl-Shift-T/Cmd-Shift-T (the newest transformation is added

to the last one) To repeat the last transforma-tion and make a copy of the current layer, press Control-Shift-Alt-T/Cmd-Shift-Option-T

➤ The current Image Interpolation setting in Preferences > General applies to transformations, among other things (see page 386)

wider than the back.

right corner.

The new Puppet Warp command lets you distort

areas of a layer by dragging pins on a mesh, like you

might pull strings on a puppet The pins that you

don’t drag serve to anchor image areas in place The

results from this command can range from subtle

reshaping or retouching to extreme contortion

To apply the Puppet Warp command: ★

1 Duplicate an image layer or the Background

Optional: To apply the command as an editable

Smart Filter, convert the duplicate layer to a

Smart Object layer To warp a subject but not its

background, click a silhouetted image layer

2 Choose Edit > Puppet Warp.

3. On the Options bar, choose these settings:

A Mode option to control the elasticity of the

mesh: Rigid for limited 2-dimensional distortion,

Normal for 2-dimensional distortion of a larger

area, or Distort for 3-dimensional distortion

A Density option to control the spacing of points

in the mesh: Fewer Points for faster but less

pre-cise warpage; Normal for an average number of

points; or More Points for more precision (and

more processing time)

An Expansion value to expand or contract the

total area to be warped

Optional: Uncheck Show Mesh

4 In the document, click to set pins in both the

areas to be warped and the areas to remain

anchored in place.A

5 To warp the image, drag any individual pin BOr

to move multiple pins, Shift-click them first

6 To apply rotation, do either of the following:

Choose Auto from the Rotate menu on the

Options bar, then drag a pin The angle of rota-tion changes as you drag, and is listed on the Options bar

To rotate imagery around a pin, select it, position the cursor near (but not over) it, hold down Alt/

Option, and when a circle with handles appears, drag in a circular direction The Rotate menu for

that pin will now be set to Fixed and the angle of

rotation won’t change, even if you drag that pin (or another pin) To unfix the rotation angle of a pin at any time, select it, then choose Auto from the Rotate menu

➤ To remove a pin, Alt-click/Option-click it (scissors pointer) To remove all the pins, click the Remove All Pins button on the Options bar, or right-click in the image and choose Remove All Pins from the context menu

7 To hide the mesh, if displayed, press Ctrl-H/

Cmd-H To hide all the pins temporarily, press and hold down H

8 Make any further adjustments, then press Enter/

Return or click the Commit Puppet Warp button (Options bar) (To cancel the warp, press Esc.)

➤ To reveal a pin that is hidden behind another one, click the pin that is on top, then click one of the Pin Depth buttons on the Options bar

the image layer, chose the Puppet Warp command, then

added two rows of pins.

the stationary pins anchored the ground in place.

Applying the Puppet Warp command

dragged the top and bottom pins away from each other (one at a time), letting the pin on each side anchor that side in place

stack of books (not the books, mind you,

the photo!), we chose the Puppet Warp

command, then clicked to place four pins.

right side and added a pin to the upper

left corner.

dragged the two pins (shown in the highlight circles) toward the right simultaneously.

We pivoted the stack

of books around the two unselected stationary pins

on the right side.

APPLYING THE PUPPET WARP COMMAND TO A SILHOUETTED IMAGE

Applying the Warp command

After choosing the Warp command, you distort a

layer by choosing a warp preset, orientation, and

other settings on the Options bar, or by

manipulat-ing an editable grid that appears over the layer

To warp a layer:

1 Click a type, image, or shape layer A

2 Choose Edit > Transform > Warp A grid with

handles displays on top of the image layer

3. Do either of the following:

On the Options bar, choose a preset style from

the Warp menu B–CYou can also click the

Warp Orientation button to toggle horizontal

and vertical distortion, or reshape the grid by

using the scrubby sliders for Bend, H

(horizon-tal distortion), or V (vertical distortion).

Choose Warp: Custom on the Options bar (not

available for editable type), then drag any of the

squares, diamond-shaped points, grid lines, or

direction line handles on the grid Note: If you

don’t see the grid, press Ctrl-H/Cmd-H to turn

on View > Extras

4 To accept the warp, press Enter/Return or

click the Commit Transform button on

the Options bar (to cancel it, click the Cancel

Transform button or press Esc).D

➤ The Warp Text dialog has the same controls as

the Warp command, except that it works only

on type (see page 347)

layer and an image layer.

using the preset Bulge style.

for the type layer to blend

it in with the lime rind.

RESAMPLE JUST ONCE

To help preserve the image quality when performing multiple transformations, a transform plus a warp, or transformations to multiple layers, apply them consecu-tively and accept them in one pass Resampling will occur once rather than separately for each command

➤ While the warp or transform controls are showing in your document, you can click the Switch Between Free Transform and Warp Modes button on the Options bar

to toggle between the two modes

REMOVING OR UNDOING A WARP

➤ To edit the warp settings for a selected layer, choose Edit > Transform > Warp (the warp controls reappear)

➤ To remove a warp, click the prior state on the History panel; or choose the Warp command, then choose None from the Warp menu on the Options bar

Reference

Warp Orientation

Horizontal Distortion

Vertical Distortion

Switch Between Free Transform and Warp Modes

Cancel Transform

Commit Transform Bend