cmyk

IE6 - can't load a normal JPG

Try loading this normal .jpg file in Internet Explorer 6.0. I get an error saying the picture won't load. Try it in any other browser and it works fine. What's wrong? The .jpg file is just a normal picture sitting on the web server. I can even create a simple web page: <a href="http://www.zodiacwheels.com/images/wheels/blackout_thumb.jp...

Using a CMYK PSD without Photoshop

I have run into a common, yet difficult problem. I do not use Photoshop for image manipulation. Since all my work is web-based, GIMP does what I need in 99% of the situations. The problem is that I occasionally receive PSD files with CMYK encoding rather than RGB encoding. These files will not open in GIMP, nor will they convert in Image...

Preferred library and/or method of converting CMYK to RGB

Each month I get new CMYK and RGB images that shall be used on the web. I had a script using a patched up ImageMagick doing this, but it got deleted. So I need to do it again, but it was hard last time. How do you easily and quickly convert CMYK image files to RGB? ...

Is there a way to get IE to render CYMK images

I put images on our website that were very nice in Firefox and little red x's in IE. I understand that IE wants only RGB and I could convert my images. In fact I tried it out. The issue is that the images get dulled down, look dead in RGB. I'm hoping that there is some way to say, IE load these images in RGB, but Firefox load these o...

How to get CMYK value for a given PMS value?

Hi I have a PMS(Pantone Matching System) color value. I need to find the corresponding CMYK(http://en.wikipedia.org/wiki/CMYK) or RGB values for that PMS value. Any links that cite the conversion or a color chart would help. cheers ...

Is it possible to have a CMYK colour picker?

I'd like to have a jQuery colour picker for CMYK colours rather than RGB which is the norm. Is this even possible to do? I can't find much around anywhere other than RGB's ...

CMYK + CMYK = ? CMYK / 2 = ?

Suppose there are two colors defined in CMYK: color1 = 30, 40, 50, 60 color2 = 50, 60, 70, 80 If they were to be printed what values would the resulting color have? color_new = min(cyan1 + cyan2, 100), min(magenta1 + magenta2, 100), min(yellow1 + yellow2, 100), min(black1 + black2, 100)? Suppose there is a color defined in CMYK: ...

Do e-ink / e-paper screens work in the RGB, CMYK, or some other colour space?

Do e-ink / e-paper screens work in the RGB, CMYK, or some other colour space? Will we need to support native CMYK displays in the near future? I'm designing a data structure with colour information and want to know whether the colour part ought to support expansion beyond four colour components (for, say, CMYKA). ...

Using GDI+ to make 'PNG with added CMYK' ?

I want to create a PNG file from a System.Drawing.Bitmap with the colours defined using CMYK. I can create the PNG OK but how do I define 'with CMYK' ? I've looked at the encoderparameters argument to the save method but it seems to me they don't cover what I need ? Any pointers/samples appreciated. thanks ...

Image.Save question (save CMYK image to CMYK image)

In Windows Forms Application, I'm trying to open the image (CMYK tiff), add text, and then save back to CMYK tiff image, but when I opened the output image in Photoshop, it was RGB image (the colors looked different from the input image). Following is the code and I appreciate if you could help me. Image^ chartImg = Image::FromFile( "us...

Print CMYK image

I have CMYK image in TIFF format and would like to print it in my Windows Forms application. But, when I looked at the color of the print, it didn't look right. So, my guess is that the data sent to the printer was treated as RGB rather than CMYK (When I printed the CMYK image in Photoshop, it printed the correct color). So, my question ...

Convert TIFF to PostScript

I'm writing .net code (Windows Forms Application) which reads a TIFF image (CMYK) and sends it to printer (using WritePrinter). Before I send it, I need to convert the TIFF image to PostScript. Could any of you share the code how to create PostScript out of TIFF image? I appreciate it! ...

Need help creating ICC based CMYK colorspace on iPhone

I'm a newbie with iPhone programming, and I'm trying to create a custom ICC colorspace to create colors in. The "DeviceCMYK" is not accurate enough, so I need the ICC colorspace. I can't figure out how to get it to work... I've tried with 4 different version of CMYK profiles, but none seem to work. I've even tested by using the "Device...

Using CMYK colorspace in PCL XL, possible?

Is it possible to use PCL XL to print CMYK composite halftone (1-bit) data? Or do I have to somehow convert it to 8bit RGB data? ...

Print CMYK Tif from Windows-PC

Hello, I need to print a CMYK Tif from Windows to a HP Color LaserJet 5550 (PCL and PS driver installed), best via CMDLine util. When using built-in Print-/Fax viewer, the Tif prints, but I see no difference between mixed black of CMY and pure black of K. I can verify the Tif is CMYK by seperating channels with ImageMagick (convert cmyk...

Convert RGB color to CMYK?

Hi, I'm looking for an algorithm to convert an RGB color to CMYK. Photoshop is performing the conversion below: R = 220 G = 233 B = 174 C = 15 M = 0 Y = 40 K = 0 ...

Chart library in cmyk color space output

i am looking for a java based library...or a C++ based library which would support, which will give output in CMYK color space image formats Please help if you know any such library, after much googling i haven't been able to find one. :( ...

How to convert CMYK to RGB programmatically in indesign.

Hi, I have a CMYK colorspace in indesign, i want to convert that as RGB color space, I got some codes, but I am getting incorrect data. Some of the codes which I tried are given below double cyan = 35.0; double magenta = 29.0; double yellow = 0.0; double black = 16.0; cyan = Math.min(255, cyan + black); //black is...

CMYK 2 RGB Problem

I have a problem with converting a CMYK Color to RGB. In the internet there is many formulas to convert it but for example when I convert CMYK (0,100,100,0) to RGB, it get value (255 0 0) but in Adobe Photoshop RGB value is (237,28,36) and I want this one. Is anybody know how to convert it with java or .NET? ...

What's the best way to convert a .eps (CMYK) to a .jpg (RGB) with Image Magick

Hi All, I have a bunch of .eps files (CMYK) that I need to convert to .jpg (RGB) files. The following command sometimes gives me under or over saturated .jpg images, when compared to the source EPS file: $cmd = "convert -density 300 -quality 100% -colorspace RGB ".$epsURL." -flatten -strip ".$convertedURL; Is there a smarter wa...