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Change the color of an object in Corel. Create and change the color of a solid pattern with flat gems in CorelDRAW

Today, many people are interested in whether it is possible to learn to program from scratch.

We have all heard stories that people who do this business have huge incomes, go to Bali every weekend and in the first months of their work were able to buy apartments for all their relatives.

In principle, this is not far from the truth, but Such results require experience and reputation. And you need to start with the simplest. We will look at what steps a person who knows nothing about writing programs needs to follow in order to travel to Bali and buy real estate in the future.

Contents:

Step one. Preparation

Often, beginning programmers cannot achieve success for the simple reason that they initially failed to set priorities correctly.

They present this craft as something romantic, dynamic - just some kind of constant action.

In films, this process is shown completely different from what it really is.

Moreover, there is generally The writing of codes is not displayed, we are only shown events that revolve around it.

The films also show that anyone can become a programmer without knowledge, experience, or even gray matter in the brain. In this case, we can recall the film “Frames”.

So if you are simply saturated with the spirit of all kinds of films and want to start “coding” yourself, programming is clearly not for you.

Here's the truth about the craft in question - programming is:

  • hours and sometimes days of monotonous work, during which you cannot relax, you must always be focused;
  • endless learning in pursuit of the latest trends in this area;
  • similar projects with customers who themselves do not know what they want and what it should look like.

As for the latter, you must It’s worth watching a video about seven red lines of different colors, one of which is in the form of a kitten. In principle, this is close to the truth, since customers often demand the impossible. It also happens that they order something, but they are always not satisfied with the result.

https://youtu.be/nU0Fy5JXOtY

If you understand all this and are ready to plunge into the wonderful world of programming, then proceed to the next step.

Step two. Selecting your first language

There are a huge number of programming languages. According to some estimates, their number has already reached several thousand.

In general, C is one of the simplest languages ​​that provides the basis for everything else. Moreover, its elements are used in many other systems and programs.

But it is interesting that in good educational institutions, as well as During the courses, students study languages ​​in the following order:

1 Pascal.

2 C++.

3 PHP and everything related to web programming, as well as SQL(this is a system designed to work with databases through queries).

  1. Web(website development, online systems and everything connected with it) – html(although it cannot be called a full-fledged programming language), PHP, Perl, Python, Ruby, Java, Groovy, as well as ASP.NET technology.
  2. Custom software(all kinds of programs like reference books, browsers, instant messengers, etc.) – Delphi, C, C++, C#.
  3. Custom software for mobile devices– Java, Objective-C.
  4. Machine developments(working with microprocessors and other devices, robotics design) – Assembler, modifications C.

Someone can also add so-called 1C programming to this list. Don't trust laymen and people who don't know anything! This is not programming at all.

Once you become familiar with the basics of the work in question, you will understand why this can be said.

Choose what you like best.

Advice: Make your choice right away! You must know exactly in which direction you will develop and what to study in the future.

Most specialists also It is recommended to start your learning with Pascal. This option will allow

You need to write the simplest programs and have a general idea of ​​the craft in question as a whole.

We can say that Pascal is a kind of bridge. A person who simply knows mathematics well can move through it into the world of programming.

Attention! Whatever company you choose to work for after training, you will be retrained for yourself. Therefore, you just have to understand the very principle of writing programs. And for this there's nothing better than Pascal.

Step three. Studying Compilers

For reference: Compiler is a technical solution designed to translate input commands into machine instructions, roughly speaking, into ones and zeros, that is, into an interpretation in which the machine will understand what to do.

Actually, you will write and execute all your programs in compilers.

If you decide to follow our advice and start with Pascal, then you should download Free Pascal. This compiler is absolutely free and is distributed on the official website.

As you can see, it looks quite “old-fashioned”, but programming begins exactly with this. By the way, the C++ compiler looks almost the same.

It's called Turbo C++ (you can download it).

As for Pascal, there is also GNU Pascal, Turbo/Borland Pascal, TMT Pascal and Virtual Pascal. And for C++ you can use Borland C++, +, Dev C++, GCC and Eclipse.

But this, as we said above, is just the beginning. You can't stop there. Once you've made a choice about your direction, you can move on to more complex compilers.

Here is a list of the most popular compilers today depending on the areas of activity:

    ConcerningDelphi, then that’s what the compiler is called there. There is also Embarcadero Delphi and some other modifications. Delphi 7 can be downloaded from many sites, for example. If you chose C, C++ or C#, then you need Microsoft Visual Studio. You can download it directly from the manufacturer's official website.

    If we talk aboutAssembler and other languages ​​used in robotics, then you need to immediately download MASM if you are working on Windows. In general, depending on the field of activity you choose and the company for which you get a job, compilers can be very different. Some firms write their own code processing solutions. Therefore, if you have chosen robotics, it is better to study the relevant books and do everything as they say. We'll talk about this later.

There are also many online compilers. They are useful because they support many programming languages ​​and do not require installation - very convenient!

Here are the most popular ones:

This is a unique service that allows you to create several virtual computers and do whatever you want on them, including compiling ciphers.

Virtual machines will run under . On them you can at least delete the system folder, install absolutely any program, and so on.

Now let's start writing your first cipher (code). This can be done even without books and long instructions.

Step four. First code

For the first code, we will use the first language and the first compiler, which we advised to choose above. These are Pascal and Free Pascal.

One of the simplest programs is written as follows:

1 Download Free Pascal follow the link above and run it on your computer.

2 Enter the following: “program [name];”. That is, if you want the program to be called “hello”, you must enter “program hello;”.

3 Enter the "begin" statement. This means that the code that will need to be executed later has begun.

4 We use one of the most common constructions in Pascal “writeln(‘[some text]’);”. It simply displays text on the screen. Which is contained in parentheses and quotation marks. We will introduce the combination "Hello, world!". This is usually where people start their journey into the big world of software development. So the next line would look like “writeln(‘Hello, world!’);”.

5 To complete the cipher being executed, enter "end."(necessarily with a period at the end).

6 Now press the button "F9" to run what you wrote. You will see the words appear on the screen "Hello, world!". This is what was required!

To get you started with other languages, books usually also provide instructions on how to write “Hello, world!” , that is, instructions that simply display such simple text on the screen.

So, you have mastered your first cipher! A start. Now move on to intensive training.

Step five. Take online training

The advantage of online lessons is that you see everything clearly, from start to finish.

Therefore, it is better for beginners to start their journey with online trainings. Here best courses in Russian:

If you choose Python, check out McGrath's Python Programming for Beginners.

Step seven. Stay up to date

When you have sufficiently studied the material in your chosen area and already have some experience, you need to constantly monitor the development trends of the software market.

Here's what we're talking about here:

All this is necessary so that you can rebuild in time.

Let's say you decide to do a certain type of programming, have studied the technology and are ready to go to work to submit your resume.

They look at your data, but they say that the company needs a specialist of a different profile.

So that you have as few such situations as possible, you should always know which areas of development are currently the most popular.

Important! Study both global trends and the situation in your city where you are going to work. If you want to be a freelancer, study orders on various exchanges and forums.

All this will allow you to develop and work in the right direction without wasting precious time.

This is very important in our time, since programming trends change not just in a few months, but in a few days!

If you studied certain methods of writing programs two or three years ago, Now all this is definitely irrelevant.

Step eight. Find a teacher

It is best to find a personal mentor who will tell you what and how best to do in a given case.

This option has many positive aspects, the main one of which is the presence of a personal approach to you personally.

Also, if problems arise, the teacher will help you solve them. A You can find a mentor in the following ways:

1 Go to university. Yes, training programs in post-Soviet countries may be quite outdated, but you can definitely grasp the basics, the very principle of programming, some basis for everything

2 Various courses. There are a huge number of courses where people gather in some office and the teacher, just like in a university, explains this or that concept. Typically, such courses are very intensive, and students quickly master the necessary information.

Of course, the services of a teacher will cost money, but your studies will be very productive, and you will be able to learn a lot of necessary information.

Step nine. Analyze other people's work

This is a very interesting method that allows you to develop very quickly. The fact is that understanding someone else's code is very difficult; only a few even professional programmers are capable of this.

If you do this at the very beginning of your business, you are sure to be able to reap great benefits in the future.

Moreover, this will allow you to become a project manager in the future, as you will have the ability to correct the work of other people.

More specifically, you need to do the following:

  • think about how you could optimize the cipher, that is, reduce the listing;
  • look for errors and shortcomings without and with a compiler;

    • Work and, accordingly, earnings are in your pocket! And if this is not the case, train further. At least you learned what tasks you need to complete to get hired.

    In any case, devote enough time to this and then you will succeed!

In this tutorial we will talk about the important steps of retouching digital photos and preparing images for CMYK printing. Depending on the image you will be using, some settings/values ​​may need to be changed to achieve optimal results.

First of all, make sure that Color management configured in the same way as in the illustration below. To do this, select Tools > Color management > Default Settings. You can customize the CMYK color profile to match the color profile your printer will use to print the image.

I assume that you have installed the Corel PHOTO-PAINT X7.2 update. Open the desired image in PHOTO-PAINT X7 ( File > Open). A dialog box will appear Color Information, which will indicate that there is no color profile (as shown below). In the dropdown list Assign color profile select installed as default RGB profile(sRGB IEC61966-2.1) and click OK to close the dialog box.

1. Checking the color scheme

First, let's check for any out-of-gamut colors in our image (they won't print in CMYK mode). Select Window > Settings windows > Proof options. In the settings window that appears Proof options check the box Checking colors. Click the arrow below to open Gamma warning. Click the arrow and check the box Colors out of gamut. The default gamma warning color is fluorescent green. You can choose any other color. Below the drop down list Simulate the environment select the color profile that your printing house will use to print the image. In the image below you can see areas of fluorescent green, which denotes the non-printable spectrum in the CMYK color model. Later I will explain how to correct this situation to avoid unwanted results.

Now let's uncheck the box again Gamma warning.

2. Noise reduction

Most photographs taken with a digital camera contain noise; usually Blue channel RGB mode allows you to see this noise most clearly. Open Channel setup window (Window > Settings windows > Channels). In the settings window Channels The RGB channel is enabled by default. Try clicking the R-G-B channels one by one and selecting the one where the noise is most noticeable. Select this channel and apply the blur effect to the smallest degree ( Effects > Blur > Gaussian blur). Start with a very small radius (eg. 0.5 px). Increase the radius in 0.5 px increments as needed. Stop at a value that reduces noise without noticeably blurring the image. When the desired result is achieved, click the button OK to save changes. Activate RGB channel to switch to all channels viewing mode.

3. Change color mode

Most digital cameras shoot in RGB mode and save photos in JPEG format. To achieve optimal results we must change the picture mode to CMYK. This mode will be used for image output. To do this in the menu Image select Convert to CMYK color (32 bit).

Depending on the image, significant changes or loss of color information may occur. This is normal because the RGB color model has a much larger color gamut than CMYK. Changing the picture mode will also ensure that the colors on your monitor and when printed are consistent. Make sure your image's minimum resolution is set to 300 dpi. Select Image > Change resolution to check the image resolution.

Changing the mode to CMYK will also eliminate Gamma warning which we saw earlier. This will happen because all out-of-gamut colors will be replaced with the closest CMYK colors to them based on the selections CMYK color profile, Color rendering method And Color management module in the dialog box Color Management Options.

4. Adjusting color shades

Very often an image needs editing due to color casts. The color tones in the image are determined by the type of lighting used when shooting. To adjust shades, select Settings> and move the regulator Temperature slightly towards orange to offset the blue tint. If the image has a yellow tint, you can move the slider towards blue.

My image has a slightly bluish tint. Let's drag the slider towards orange ( 4.650 Kelvin) to compensate for the blue tint. See image below.

5. Adjusting color balance

Now let's move on to adjusting the color balance of the image. Go back: Settings > Image Correction Lab.

In the dialog box Image Correction Lab you will see two eyedroppers with a white and a black dot (see image below). A pipette with a white dot is a tool Select white point, and the black dot eyedropper is a tool Select black point. Click Select white point, and then click the white area in the image. Click in the same way Select black point, and then click the black area of ​​the image. You will see significant changes in the color depth of the image (see image below).

6. Improve exposure

Open the settings window Object Manager (Ctrl+F7 or Window > Settings windows > Object Manager). Select layer Background and make a copy of this layer by clicking Ctrl+D. Alternatively, right-click the layer and select An object > Duplicate. Change Merge mode duplicate layer on Screen and move the regulator Opacity To 50% . To achieve the desired result, you need to experiment a little with the opacity level. In some cases, merge mode Blackout gives good results. This tutorial used merge mode Screen with opacity level 30% .

If you are happy with the result, click Ctrl+Shift+Down Arrow or select An object > Merge > All objects with a background to merge all layers.

7. Sharpening

Now let's focus on sharpening the image. Make a copy of the background layer ( Ctrl+D). While the background layer is still selected, select Effects > Sharpening > Removing small parts and then select this Radius, in which the contours will be clearly visible (see image below). Now change Merge mode layers on Soft lighting and configure Opacity. In the case of a “flat” image, try using the merge mode to sharpen it "Hard" lighting. When finished, click Ctrl+Shift+Down Arrow to merge all layers. In the right image below, merge mode was used Soft lighting at opacity level 100% .

And finally, never Do not save the file for printing in JPEG format. Always save the file in the format TIFF to maintain image quality.

Note: not all images are the same. To achieve the desired result, you need to work with the various sets of commands, settings and tools that Corel PHOTO-PAINT offers for image editing.

The techniques described above are suitable for retouching most photographs.

color So far we have been experimenting with black and white objects. It's time to learn how to color them.

object To change the color of the outline and fill of an object, use color palette 1 located on the right side of the screen. In each cell of the palette. The top cell means no color. A distinction must be made between the absence of color and the color white. If an object has no fill, that is, no fill color, then the object will be transparent and you will be able to see other objects underneath it. Filling with white makes the object opaque.

Video tutorial on this topic:

Download File size 4.6 MB.

palette Let's experiment a little. Draw a rectangle. Then draw an ellipse above the rectangle.

Rice. 24. Working with fill colors and outlines of objects in CorelDRAW X4

fill Select the rectangle and left-click on the black color in the palette. The rectangle will be filled in black. Select the ellipse and left-click on the white color in the palette. The ellipse will be filled with white. The part of the rectangle covered by the ellipse will become invisible 2.

outline Right-click (not left, like last time) the mouse button on the white color in the palette. The outline of the ellipse will turn white. Left-click on the red color in the palette and the ellipse's fill will change color. Select the rectangle and set the fill color to blue and the outline color to blue. Please note that the white outline of the ellipse is visible against the background of the rectangle 3.

remove Select the ellipse again. To remove the fill, click on the top crossed out cell in the palette 4. The rectangle will again be visible under the ellipse. Right-click on cell 4 in the palette. The outline of the ellipse will become colorless. And now the ellipse is not visible at all 5.

color Although the object is completely invisible, you can perform all actions with it as with any object. Select both the ellipse and the rectangle, then click on the green color in the palette. The fill of both objects will change 6 .

shade If you want to use additional shades colors, move the mouse pointer to the desired color in the palette, press and hold the button mice. Will appear nearby auxiliary palette 7 with shades of the selected color. Release the mouse button. By clicking on the shade you need, you will change the fill of the object 8. If you right-click on the shade, the color of the object's outline will change.

change There is another way to change the outline and fill of objects. Place the mouse pointer on the desired color in the palette, press the left mouse button and, without releasing the button, start moving the mouse. As soon as you move the mouse pointer over an object, the mouse pointer will change to a mouse pointer with a rectangle 9 , with the selected color visible in the rectangle next to the arrow. Release the mouse button and the object will be painted 10 . If you place the mouse pointer over the outline of an object while performing this operation, the pointer will change to a pointer with a rectangle outline 11 . By releasing the mouse button in this place, you will change the color of the outline 12. This way you can change the fill and outline of any object, regardless of whether it is selected or not.

change As you can see, changing the fill and outline color of an object in the CorelDRAW editor is very simple. If the color you want is not visible in the palette, use the scroll buttons 13 located on the edges of the palette to scroll up and down.

A radically new approach to color management has been implemented. This version introduced a dialog box where you can set application-level default color management options, color management policies, and rendering methods, as well as a dialog box Document Color Options, where you can adjust color settings for the current document only. Dialog window Create a new document makes it possible to adjust color settings when creating a new file. Document-level color controls introduced in CorelDRAW® X5 and X6 allow you to properly open multiple documents from different color spaces simultaneously.

Application-level default color management options

Click Tools > Color management > Default Settings to open the dialog box Default color management options(See Figure 1). Please note that these default settings are not recommended color management values. The controls in this dialog box are the same as those in CorelDRAW and Corel PHOTO-PAINT®, except for the options Primary color mode. Primary Color Mode present only in CorelDRAW because CDR files (CorelDRAW's native format) can contain elements of multiple color modes (RGB, grayscale, CMYK, and spot colors). The options in this window also allow you to choose how special effects are displayed.

Picture 1

Default color management options

Color profiles define the CMYK, grayscale, and RGB color space values ​​that will be used for color conversion and will become the default settings in new and untagged documents. When creating a new document, these settings can be changed in the dialog box Create a new document.

In CorelDRAW, an option selected in the list Primary color mode, defines the color environment, sets the correct color space to reproduce transparency, and also defines how colors interact in effects such as blending.

Color rendering method Allows you to select a method for converting colors from one color space to another. Default is Relative colorimetric method of color rendering, however Perceptual method of color rendering best preserves the relationships between colors. Some applications use a process that does not support International Color Consortium® (ICC) standards, black point compensation, or colorimetric rendering. This process is almost identical Perceptual method of color rendering in CorelDRAW X6.2, which, on the contrary, supports ICC standards.

Color Conversion Options

Color management module implements a mechanism for reconciling color values ​​between different color spaces, and also defines a method for the interaction of different devices, operating systems, and applications to achieve a consistent display of colors. Default is Microsoft ICM CMM is the only module that is supported by both CorelDRAW and Adobe®. CorelDRAW Graphics Suite also supports the Windows® Color System ( Microsoft WCS) and LittleCMS color management modules ( LCMS). If your designs are intended for laser engraving or machine embroidery, the color management module may not be selected (select No in the drop-down list).

Checkbox Save Pure Black disabled by default. This option ensures that black is correctly converted from one color space to another according to ICC standards. Check box Save Pure Black solves black printing problems on non-PostScript® printers. This option, however, creates problems when printing black in some images, and also results in conversions that do not comply with ICC standards.

Parameter Map gray to black CMYK enabled by default. This prints grayscale objects as black to avoid wasting cyan, magenta, and yellow ink.

Defining a spot color controls the parameters for converting spot colors to other color models and vice versa. For parameter Defining a spot color the default value is LAB. This is a PANTONE® specification that provides a more accurate result when converted. When working with files from earlier versions, use the values CMYK And RGB.

Color management policies

Color management policies define how colors are managed in documents that a user opens in an application. The following description of color management policies is correct provided that the options Warn about color profile mismatch And Warn about missing color profile disabled.

Opening files

By default, a file whose embedded color profiles match the application's color space opens as expected. When document color profiles do not match the application's color management settings, an ICC-compliant mechanism is used to convert the document's color profile to the application's color profile. If there is no file color profile, default color profiles are used. This may cause color distortion.

Importing and inserting files

When importing and pasting files, you typically use document-level color management settings rather than default application-level color management settings. Importing or pasting a file whose color profile matches that of the active document works as expected.

When you import or paste files that contain RGB and grayscale profiles that do not match the active document, they are converted to match the active document's color profile. When converted to a color profile according to ICC standards, the appearance of the document's colors is preserved, but the color values ​​may change.

CMYK files, on the other hand, change the CMYK color space of the active document to match their color profile. As a result, the color values ​​are preserved, but the appearance of the colors may change. Color distortion will occur when outputting to ICC-compatible devices. There is no color distortion when outputting to PostScript devices such as printing presses.

Document-level color management options

When creating a new document in CorelDRAW, the dialog box opens by default. Create a new document(see Figure 2). Window settings Create a new document Applies only to new documents and does not affect application-level color management settings. If you prefer to disable this window and use the default settings when creating new documents, select the checkbox Don't show this window again.

Figure 2

Dialog window Create a new document can be disabled. To do this, click Tools > Options and then select Are common in the list of categories Working space. To reactivate this window, select the checkbox Show new document in the dialog box Options(see Figure 3).

Figure 3

Dialog Box Controls Create a new document similar to controls in a dialog box Default color management options the only difference being that they apply to a new document.

Primary Color Mode defines the document's color environment. Color Options define the RGB, CMYK, and grayscale color spaces that will be used in new documents and for color conversions. These settings do not affect application-level color management settings. Color rendering method specifies a method for converting colors from one color space to another.

You can change document color management options at any time by selecting Tools > Control color > Options By default.

Sooner or later, almost everyone who works with graphics, digital photography or design faces the problem of correct color reproduction. Colors can look completely different on two monitors connected to the same PC, not to mention differences between the screen image and the hard print. This happens because computers use hardware-based color coding methods (specifically, color models RGB and CMYK ). They are convenient for technical implementation, but, unfortunately, they are very different from how colors are perceived by the human eye. How a particular color will turn out, for example, on an LCD monitor, strongly depends on many factors: the liquid crystal technology used, the spectrum of the backlight source, the operating algorithm of the monitor drivers, etc. In this case, the color value of the displayed color will be unchanged when output to any device.

Reproduction of the same color value on different monitors and in printing may vary significantly

Double color conversion

Color spaces are designed to solve the problem of correctly displaying colors on different devices. LAB and XYZ . They cover all colors visible to the human eye and allow one to unambiguously determine the perception of a particular color. Unlike RGB and CMYK, LAB and XYZ color spaces are hardware independent. The essence of using them for color management is as follows.

First, device-dependent color values ​​(RGB, CMYK) are converted to a reference device-independent color space (LAB, XYZ). Once the "true" device-independent color value is determined, it can be converted to the device-specific color of a target device, such as a printer. RGB color values ​​are different in different color spaces. However, they correspond to the same absolute LAB color coordinates, which ensures that the color is visually identical across devices.

The relationship between device color space coordinates and absolute LAB and XYZ coordinates is specified by color profiles, such as those developed by the International Color Consortium® (ICC). An ICC color profile contains information that allows color values ​​(coordinates) to be converted from a device-specific color space to color coordinates in a device-independent LAB (XYZ) color space, and vice versa.

When exact color matching is not possible

Unfortunately, there are a huge number of factors that make color management quite a challenge. Sometimes differences between devices cannot be compensated for using color management, and in these cases, accurate color matching is not possible. For example, printers are physically unable to reproduce many of the colors seen on a monitor, and vice versa. However, this in no way makes color management useless. Even if a color cannot be reproduced exactly on different devices, you can predict how it will look on each device.

If a particular color is present in both color spaces involved in the transformation, then the color match will be exact; If the converted color is only in the source color space, then it is considered an out-of-gamut color, and the closest color in the target color space is used instead of a match. There are four methods for interpreting colors outside the gamut and matching them to colors within the gamut of the target color space. Their use depends greatly on the nature of the image and the intended display devices.

This way, color management takes the guesswork out of your work and ensures that your output will exactly match your expectations across multiple devices. Ultimately, understanding the benefits and limitations of color management technologies allows you to spend more time on the actual creativity - the most important part of your work.

Flexible color management CorelDRAW Graphics Suite X5

Please note that the color management architecture in CorelDRAW Graphics Suite X5 is significantly different from that in previous versions of the program. This is how the application-level color management architecture used to be used, in which all open documents had the same global color management settings. As a result, changing the internal RGB color space for one document resulted in a change in the color space for all open documents. CorelDRAW Graphics Suite X5 implements a document-level color management architecture, each using a separate (though not necessarily different) set of RGB, CMYK, and Grayscale color profiles. All RGB colors in a single CorelDRAW Graphics Suite X5 document use the same RGB color space, and the color profile can be embedded in the document when you save it. Document-centric architecture is more complex, but it provides more flexibility when working with colors. CorelDRAW Graphics Suite X5 lets you work simultaneously with multiple open documents, each with its own color settings, without worrying about color settings conflicting.

The color management workflow in CorelDRAW Graphics Suite X5 can be divided into several parts: setting the document color space, choosing how colors are transferred into the document when importing and pasting content, managing colors when exporting or printing work, and simulating document colors for different output environments ( soft proofing).

Default Color Management Options dialog box. The settings you select will be used in any document you create or open, but you can change them in the Document Color Options dialog box after the document is created or opened.

Color Conversion Options area.Sometimes the embedded RGB color profile of the image you are importing or pasting does not match the RGB color profile of the document. In this case, you can use the document's built-in color profiles, assign a default color profile, or convert the colors to default color profiles.

It is important to note that color options in CorelDRAW X5 and Corel PHOTO-PAINT X5 are adjusted separately. Both applications initially use the same preset, but changes to the preset in CorelDRAW X5 do not carry over to Corel PHOTO-PAINT X5.

Depending on the end use of the images, such as printing or web graphics, there are different subtleties of the color management process. You can learn more about them in the free Designers and Illustrators Guide to Color Management in CorelDRAW® Graphics Suite X5, edited by Gennady Petrov, Senior Software Developer at Corel Corporation - http://corelvideo.ru/viewtopic.php?f=45&t=389

Mixing colorsin one document

In addition, the Guide covers such a difficult topic as color mixing, when RGB and CMYK colors are allowed to exist simultaneously within the same CorelDRAW document. This means that some parts of the document are defined as being intended for printing, while others are intended for an RGB output device such as a monitor.

Unlike, for example, Adobe Illustrator, which limits the user to one color model, CorelDRAW allows you to work with multiple color models in one document, even if they contradict each other. Why? This gives designers more flexibility to control some of the less explicit aspects of the workflow. Let's assume that the document you're designing is intended to be output in a variety of different ways, including the web, PDF files, CMYK prepress, or printing to a wide-gamut printer via an RGB driver. Proper use of RGB and CMYK colors provides some advantages in this case. For example, if there is a lot of text in a document, you can define it in CMYK to ensure with absolute certainty that the text will be printed in black ink. This will eliminate unnecessary wastage of cyan, magenta or yellow ink and thus reduce printing costs. At the same time, the photos in the document will remain in the RGB model, because the RGB color model is much more convenient for editing. The task of converting the document's RGB color space to the printer's color space will be performed by the color management module because when working with images and photographs, the user is usually concerned with correct color reproduction rather than ink consumption.

The difficulties of gradients

However, the ability to use different color models and color spaces in a single document comes at a price. First, it does add complexity to the color management architecture, which fortunately is largely hidden from the end user. Secondly, it creates subtle, but in some situations extremely important, problems associated with color mixing. For example, when printed, gradients may look slightly different than on the monitor. This is a consequence of performing RGB-CMYK conversions. However, designers are not always prepared for the fact that differences caused by using a different blending model can disrupt the integrity of the image. Knowing how CorelDRAW mixes colors in such cases can help: colors are always mixed in the output device's color space. This means that colors are always mixed in the monitor's RGB color space for display. For printing, colors are mixed in the printer's color space. When you proof for a CMYK environment, the colors are mixed in the CMYK color space of that proof. Using the Soft Proof Options docker, you can experiment and see first-hand how different color mixing modes affect the overall color integrity and perception of an image. For those who find the results of mixing colors too unpredictable and incomprehensible, there is another way to solve the problem: you can work exclusively with one color model, or at least avoid mixing CMYK and RGB color models in objects containing gradient fills, mesh fills or effects transparency.

CorelPrintPartner- new affiliate program

It's no secret that the format of layouts made in CorelDRAW (CDR file format) is one of the standard formats when submitting original layouts to a printing house. But only now can this become truly beneficial to all companies engaged in the field of printing and pre-press services.

The Corel company opens a specialized section of the website: www.corel.ru/print and offers absolutely free information about itself to all printing houses that accept the CorelDRAW format as a standard for submitting original layouts, as well as automatically receiving the status of Corel Print Partner.

The conditions are simple: just fill out the form on the website www.corel.ru/print, indicating the name, address of the printing house and contact information, and we publish this information on a specially prepared electronic card in this section. This map will be available for easy search by more than 1,500,000 official and even more “unofficial” users of Corel products in Russia and the CIS.

The only condition for participation in this program on the part of partners is the need to literally mention on your website in the requirements for material layouts that you accept layouts in the CorelDRAW format. If you wish, you can separately indicate that you are an official Corel partner and place the Corel Print Partner logo on your website.

Each partner with Corel Print Partner status will have the opportunity to purchase Corel software at special prices, as part of special programs aimed at these partners, as well as many other bonuses and privileges.

In addition, after being assigned the status of Corel Print Partner, you will be sent by mail a personalized certificate confirming this fact.

Free, fully functional trial CorelDRAW

Free trial CorelDRAW Graphics Suite X5, available for download from the Corel website at: www.corel.com/coreldraw

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