Sử dụng photoshop cs5 part 69 pot

25 Photoshop image, it can be output to a color printer such as an inkjet device chap-ter, you will create a custom proof setting for your specific inkjet printer and paper and use it

402 Chapter 24

Creating tool presets

If you’re looking for an effective way to streamline

your workflow, consider creating some tool presets

For any tool, you can choose a preset (such as a

brush or gradient), Options bar settings, and a

Foreground color (if applicable), then save that

col-lection of settings as a tool preset Thereafter, upon

selecting that tool, you simply choose your preset

from the Tool Preset picker on the Options bar or

from the Tool Presets panel; it contains all the

set-tings that you saved with it Tool presets are a great

timesaver and are worth the effort to set up, even

for minor variations

To acquaint yourself with the Tool Presets panel,

uncheck Current Tool Only The tool presets for all

tools display Click a tool preset, and the tool that

uses that preset becomes selected automatically

Now check Current Tool Only Only presets for the

current tool display Via the panel or picker menu,

you can load more presets (see the preceding page)

The DP, M Tool, Mixer Brush Tool, and Splatter

Brush Tool preset libraries are new.★

To create a tool preset:

1 Choose and customize any tool Or to create

a variation of an existing tool preset, click the

preset, then choose custom settings for it

2 Do either of the following:

At the far left end of the Options bar, click the

Tool Preset picker thumbnail or arrowhead.A

Display the Tool Presets panel B

3 Click the New Tool Preset button on the

picker or panel The New Tool Preset dialog opens

4 Optional: Change the name of the tool preset, if

desired Also check Include Color, if that option

is available and you want to save the current

Fore ground color with the preset

5. Click OK The new tool preset will appear on, and

can be chosen from, the Tool Preset picker and

the Tool Presets panel

6 To preserve your user-created tool presets for

future use in any document, save them as a

library by choosing Save Tool Presets from the

picker or panel menu

➤ To restore the default presets for all tools, save

any custom tool presets as a library first (if

desired), choose Reset Tool Presets from the

picker or panel menu, then click OK in the alert

dialog

B Tool presets can also be accessed from the Tool Presets panel.

A Click this thumbnail or arrowhead on the Options bar to open the Tool Preset picker

SOME SUGGESTIONS FOR TOOL PRESETS

Take note of which tools you use most frequently, and which settings you choose most frequently for them

Here are a few suggestions for presets you can create:

➤ Brush panel settings, Options bar settings, and

a Foreground color for the Brush or Mixer Brush tool

➤ Standard photo sizes for the Crop tool

➤ Character panel or Options bar settings for the Horizontal Type or Vertical Type tool, including a color

➤ Frequently used settings for the healing tools, such as the Healing Brush or Spot Healing Brush tool,

or for the Clone Stamp or Sharpen tool

➤ Frequently used settings for the selection tools, such as some Fixed Ratio settings for the Rectangular Marquee tool

➤ A basic preset for the Gradient tool, with the

“Black, White” gradient chosen

25

Photoshop image, it can be output to

a color printer (such as an inkjet device)

chap-ter, you will create a custom proof setting for your

specific inkjet printer and paper and use it to view a

soft (onscreen) proof of your print output Following

that, we provide instructions for outputting a

docu-ment to an inkjet printer You will also learn how to

choose settings for a file to be printed as a monotone,

and how to convert your file to CMYK Color mode for

commercial printing (To export your file to another

application or to optimize it for the Web, see the next

chapter.)

When preparing files for an output service provider,

be sure to consult with those experts about which

specific settings and formats they need you to select

in Photoshop For additional information beyond the

scope of this chapter, refer to Photoshop Help, which

contains a wealth of specialized technical information,

and to the documentation for your specific printer

model And keep in mind that for both desktop and

commercial printing, you can gain a lot of valuable

feedback from trial and error The experts become

expert by learning from experience

FOR INKJET PRINTING, KEEP YOUR DOCUMENT

IN RGB COLOR MODE

When printing to a desktop inkjet printer, keep your

image in RGB Color mode Although these printers print

using six or more process ink colors, their drivers are

designed to receive RGB data and perform the

conver-sion to printer ink colors internally Be sure to use the

installed profi le that conforms to your printer model

and paper (we’ll show you how)

IN THIS CHAPTER

Proofi ng colors onscreen 404 Printing a fi le on an inkjet printer 405 Creating a monotone print 413 Preparing a fi le for commercial printing 413

404 Chapter 25

In this next step in color management, you’ll create

a custom proof setting for your specific inkjet

printer and paper, and use it to view a soft proof, or

onscreen simulation, of your print output Although

the soft proof won’t be perfectly accurate, it will give

you a rough idea of how your colors will look

(with-out costing you a penny)

To proof a document as an inkjet print

onscreen:

1 From the View > Proof Setup submenu, choose

Custom The Customize Proof Condition dialog

opens In the next steps, you will choose custom

proofing settings for your output device.A

2 Check Preview, then from the Device to

Simulate menu, choose the correct color profile

for your inkjet printer and paper (the profile

you either downloaded from a manufacturer’s

website or installed with your printer driver file)

3 Uncheck Preserve RGB Numbers, if available

Photoshop will simulate how the colors will

look when converted to the output profile This

option is available only if the color mode of the

output profile that you chose from the Device to

Simulate menu matches that of the current file

(e.g., if your image is in RGB Color mode and you

chose an RGB device as the Device to Simulate)

4 Choose a Rendering Intent to control how colors

will change as the image is shifted from one

pro-file to another (see the sidebar on the next page)

We recommend choosing either Perceptual or

Relative Colorimetric You can evaluate a couple

of options via the preview and by making some

test prints

Check Black Point Compensation to allow

adjustments to be made for differences in black points among different color spaces With this option chosen, the full dynamic range of the image color space is mapped to the full dynamic range of the color space for the output device (the printer) With this option off, black areas

in the image may display or print as grays We recommend checking this option for inkjet printing

5. Optional: For Display Options (On-Screen),

check Simulate Paper Color to preview the white

of the printing paper as defined in the printer profile; or if you’re going to print the file on uncoated paper, check Simulate Black Ink to preview the full range of black values that the printer can produce

6 To save your custom proof setup, click Save, enter

a name, keep the psf extension, keep the location

as the default Proofing folder, then click Save

7. Click OK Saved proof setups are available on the Custom Proof Condition menu in this dialog and at the bottom of the View > Proof Setup

submenu View > Proof Colors will be checked

automatically, so you can see the soft proof And for the moment, the Device to Simulate profile

is listed in the tab of the current document

Remember, the Proof Setup options control only how Photoshop simulates colors onscreen

Colors in the actual file won’t be converted to the chosen profile until you convert the docu-ment to a different color mode (such as from RGB to CMYK) or send it to an inkjet printer

Proofing colors onscreen

A To generate a soft proof of our document, in the Customize Proof Condition dialog, we’ve

chosen the profile for our Canon Pixma inkjet printer as the Device to Simulate.

Choosing a Proof Setup preset will cause Photoshop to soft-proof (simulate) the colors in your RGB file onscreen as if it were printed using CMYK inks or displayed online on a Windows or older Macintosh display

To proof colors onscreen for commercial printing or online output:

1 From the View > Proof Setup submenu, choose

the preset for the output display type that you want Photoshop to simulate:

Working CMYK to simulate colors for the

commercial press that is currently chosen on the CMYK menu under Working Spaces in the Edit > Color Settings dialog in Photoshop

Legacy Macintosh RGB (Gamma 1.8) or Internet Standard RGB (sRGB) ★ to simulate colors for online output using the legacy Mac gamma (1.8) or Windows gamma (2.2) as the proofing space

Monitor RGB to simulate colors using the

custom display profile for your monitor

2 View > Proof Colors will be checked

automati-cally To turn off soft proofing at any time, simply uncheck it (Ctrl-Y/ Cmd-Y)

Printing a file on an inkjet printer

In this section, we will show you how to output your file to an inkjet printer and obtain a quality color print that closely matches the document you have been viewing onscreen You will complete the color management setup that you started in Chapter 1 by choosing settings in the Print dialog

We have divided the steps for using this dialog into three parts: choosing settings for the printer driver, choosing settings in the Print dialog for Photoshop, and finally, turning off color man-agement for the printer and printing the file in Windows or the Mac OS

CHOOSING A RENDERING INTENT

➤ Perceptual changes colors in a way that seems

natural to the human eye, while attempting to

pre-serve the appearance of the overall image It’s a good

choice for continuous-tone images

➤ Saturation changes colors with the intent of

preserving vivid colors, but in so doing compromises

color fi delity Nevertheless, it is a good choice for

charts and graphics, which normally contain fewer

colors than continuous-tone images

➤ Absolute Colorimetric maintains the color accuracy

only of colors that fall within the destination color

gamut (i.e., the color range of your printer) but in

so doing sacrifi ces the accuracy of colors that aren’t

within that gamut

➤ Relative Colorimetric, the default intent for all

the Adobe predefi ned settings in the Color Settings

dialog, compares the white, or highlight, of your

document’s color space to the white of the

destina-tion color space (the white of the paper, in the case

of print output), shifting colors where needed This

is the best rendering intent choice for documents in

which most of the colors fall within the color range

of the destination gamut, because it preserves most

of the original colors

Note: Consult your printer manual when choosing a

rendering intent For example, some inkjet printers

favor Perceptual over Relative Colorimetric

Continued on the following page

406 Chapter 25

4 The menu names vary with the chosen printer

model, so we will refer to them generically:

In Windows, in the Main (or other) tab, choose the best-quality option for photo printing For the paper options, choose the source for your paper, the specific type of paper to be used, and

the paper size ( A, next page)

In the Mac OS, the inkjet printer you chose

in step 2 will be listed on the Printer menu

Choose the desired paper size for the print (for a borderless print, pick a size that includes the word “borderless”) From the fourth menu down, choose the print quality and paper options category (e.g., Quality & Media or Print Settings) From the media or paper type menu, choose the type of paper you will be using (B, next page), and from another menu, choose

a print quality option (C, next page)

5. Click Save to close the [Printer Name]

Properties/OS-level Print dialog and return

to the Print dialog for Photoshop Now you’re ready to choose print settings for Photoshop (see page 408)

In Photoshop CS5, all the necessary printing

options are in the Print dialog And unlike in

pre-vious versions of Photoshop, clicking the Print

button sends your file directly to the printer Upon

opening the Print dialog, the first step is to tell

Photoshop what type of printer you will be using

You will also click the Print Settings button to

gain access to the print dialog for your operating

system, in order to specify the paper size, paper

type, and other printer-specific options

To choose settings in the Print dialog for

inkjet printing: ★

Part 1: Choose settings for your printer driver

1 Open the file to be printed, then choose File >

Print (Ctrl-P/Cmd-P) The Print dialog opens,

complete with a preview.A

2 From the Printer menu, choose the inkjet

printer you’re planning to use

3 Click Print Settings to open the [Printer

Name] Properties/Print dialog for your

operating system.The driver for your chosen

printer and your operating system control

which options are available in this dialog

A In the Print dialog for Photoshop, choose your inkjet device from the Printer menu, then click the Print Settings button.

A This is the Print Settings >

[Print Name] Properties dia-log for an Epson printer, in Windows 7 We chose a Quality Option and Paper Options.

B This is the Print Settings > Print dialog for an Epson

printer in the Mac OS We chose Print Settings from

the fourth menu down, and are choosing a specific paper

type from the Media Type menu.

C Next, in the same dialog, we clicked Mode: Advanced and chose a Print Quality option.

408 Chapter 25

installed (as per our instructions on pages 14–15), or choose a profile that matches the paper type you chose when you clicked Print Settings (see page 406) The profiles for the currently chosen printer should display at the top of the menu If you don’t see your custom installed profile there, scroll downward on the list

6 From the Rendering Intent menu, choose the

same intent that you used when you created the soft-proof setting for your inkjet printer, which most likely was either Perceptual or Relative Colorimetric (see the sidebar on page 405)

➤ You could run one test print for the Perceptual intent and one for the Relative Colorimetric intent, and see which one produces better results

7 Check Black Point Compensation This option

preserves the darkest blacks and shadow details

by mapping the full color range of the docu-ment profile to the full range of the printer profile, and is recommended when printing an RGB image

8 Below the preview, do the following:

Check Match Print Colors to display a

color-managed soft proof of the image in the pre-view, based on the chosen printer and printer profile settings

Uncheck Gamut Warning This option

previews out-of-gamut colors as gray It is necessary only when printing to a commercial CMYK printer

Check Show Paper White to have the paper

color be simulated in any white areas in the preview, based on the current printer profile

9 Before printing the image, you need to turn

off color management for your printer To do this, carefully follow the steps on page 411 for Windows or on page 412 for the Mac OS

➤ Click Done in the Print dialog if you want to save all of your settings for the current docu-ment and close the dialog

After choosing print settings by following the steps

on page 406, the next step is to choose position,

scale, color management, and output options in

the Print dialog for Photoshop

1 In the Print dialog for Photoshop ( A, next

page), click the portrait or landscape

ori-entation button Check Center Image to

posi-tion the image in the center of the paper Or

to reposition the image on the paper, uncheck

Center Image and enter new Top and Left

values (note the preview); you can also check

Bounding Box, if desired, then drag the

bound-ing box in the preview

2 Optional: To scale the print output slightly

(not the actual image), do one of the following:

Check Scale to Fit Media to fit the image

auto-matically on the paper size you chose in step 4

on page 406

Uncheck Scale to Fit Media, then change the

Scale percentage or enter specific Height and

Width values (choose a unit from the Units

menu) The three values are interdependent;

changing one causes the other two to change

Note: Use these features to scale the print by

only a small amount (i.e., fractions of an inch

or a few percentage points) If a larger scale

change is needed, cancel out of the dialog, use

Image > Image Size to scale the image (see

pages 122–124), then resharpen it

3 From the menu in the upper right, choose

Color Management, then click Document to

use the color profile that’s embedded in the

image, which will be Adobe RGB (1998) if

you’re continuing with the color management

workflow that you began in Chapter 1

4 From the Color Handling menu, choose

Photoshop Manages Colors to let Photoshop

handle the color conversion This option will

ensure optimal color management (See the

sidebar on the next page.)

5 From the Printer Profile menu, choose the

printer, ink, and paper profile that you have