Color creation and conversion

ColorConversion

/* -----------------------------------------------------------------------
 *  <copyright file="ColourConversion.cpp" company="Global Graphics Software Ltd">
 *      Copyright (c) 2023 Global Graphics Software Ltd. All rights reserved.
 *  </copyright>
 *  <summary>
 *  This example is provided on an "as is" basis and without warranty of any kind.
 *  Global Graphics Software Ltd. does not warrant or make any representations
 *  regarding the use or results of use of this example.
 *  </summary>
 * -----------------------------------------------------------------------
 */

#include <iostream>
#include <jawsmako/jawsmako.h>
#include <jawsmako/pdfoutput.h>
#include <edl/icolormanager.h>

using namespace JawsMako;
using namespace EDL;

int wmain(int argc, wchar_t* argv[])
{
    try
    {
        // Instantiate Mako
        const auto jawsMako = IJawsMako::create();
        IJawsMako::enableAllFeatures(jawsMako);
        const auto cmm = IColorManager::get(jawsMako);

        const auto deviceCmykSpace = IDOMColorSpaceDeviceCMYK::create(jawsMako);

        // Create an LAB colour space with D65 white point and -128 to 127 ranges for a and b values
        const auto labColorSpace = IDOMColorSpaceLAB::create(jawsMako, 0.9504f, 1.0f, 1.0888f, 0.0, 0.0, 0.0, -128, 127, -128, 127);

        // Create a device CMYK colorspace from an ICC profile
        const auto iccBasedColorSpace = IDOMColorSpaceICCBased::create(
            jawsMako, IDOMICCProfile::create(
                jawsMako, IInputStream::createFromFile(
                    jawsMako, R"(C:\Windows\System32\spool\drivers\color\WebCoatedFOGRA28.icc)")));

        // Create an LAB colour
        const auto pantoneBlue072C_lab = IDOMColor::create(jawsMako, labColorSpace, 1.0, 17.64, 43.0, -76.0);

        // Make a copy and convert to ICC space
        auto pantoneBlue072C_fogra = clone(pantoneBlue072C_lab, jawsMako);
        pantoneBlue072C_fogra->setColorSpace(iccBasedColorSpace,eRelativeColorimetric, eBPCDefault, jawsMako);

        // Create colorants for a DeviceN color (spot color)
        const IDOMColorSpaceDeviceN::CColorantInfo pantoneBlue072C("PANTONE BLUE 072 C", 3, 17.64, 43.0, -76.0);
        IDOMColorSpaceDeviceN::CColorantInfoVect colorants;
        colorants.append(pantoneBlue072C);

        // Create a deviceN colour space
        const auto deviceNSpace = IDOMColorSpaceDeviceN::create(jawsMako, colorants, labColorSpace);

        // Create a spot
        const auto pantoneBlue072C_spot = IDOMColor::create(jawsMako, deviceNSpace, 1.0, 1.0);

        // Create a PDF with a swatch of that colour
        const auto documentAssembly = IDocumentAssembly::create(jawsMako);
        const auto document = IDocument::create(jawsMako);
        documentAssembly->appendDocument(document);
        const auto page = IPage::create(jawsMako);
        document->appendPage(page);
        const auto fixedPage = IDOMFixedPage::create(jawsMako);
        page->setContent(fixedPage);

        // Add content. Three blocks, using the colours we have created
        IDOMBrushPtr solidBrush = IDOMSolidColorBrush::create(jawsMako, pantoneBlue072C_lab);
        FRect swatchPositionAndSize = FRect(48.0, 192.0, 192.0, 192.0);
        auto  swatch = IDOMPathNode::createFilled(jawsMako, IDOMPathGeometry::create(jawsMako, swatchPositionAndSize), solidBrush);
        fixedPage->appendChild(swatch);

        solidBrush = IDOMSolidColorBrush::create(jawsMako, pantoneBlue072C_spot);
        swatchPositionAndSize = FRect(288.0, 192.0, 192.0, 192.0);
        swatch = IDOMPathNode::createFilled(jawsMako, IDOMPathGeometry::create(jawsMako, swatchPositionAndSize), solidBrush);
        fixedPage->appendChild(swatch);

        solidBrush = IDOMSolidColorBrush::create(jawsMako, pantoneBlue072C_fogra);
        swatchPositionAndSize = FRect(528.0, 192.0, 192.0, 192.0);
        swatch = IDOMPathNode::createFilled(jawsMako, IDOMPathGeometry::create(jawsMako, swatchPositionAndSize), solidBrush);
        fixedPage->appendChild(swatch);

        // Write PDF
        IPDFOutput::create(jawsMako)->writeAssembly(documentAssembly, "test.pdf");
    }
    catch (IError& e)
    {
        const String errorFormatString = getEDLErrorString(e.getErrorCode());
        std::wcerr << L"Exception thrown: " << e.getErrorDescription(errorFormatString) << std::endl;
        return static_cast<int>(e.getErrorCode());
    }
    catch (std::exception& e)
    {
        std::wcerr << L"std::exception thrown: " << e.what() << std::endl;
        return 1;
    }

    return 0;
}