コード例 #1
0
        internal static ICmyk TranslateColor(IRgb rgb, Uri cmykProfile, Uri rgbProfile)
        {
            const double dividend    = 65535;
            var          profileName = new StringBuilder(256);
            var          size        = (uint)profileName.Capacity * 2;

            ProfileFilename sRgbFilename;

            if (rgbProfile == null)
            {
                GetStandardColorSpaceProfile(0, LogicalColorSpace.sRgb, profileName, ref size);
                sRgbFilename = new ProfileFilename(profileName.ToString());
            }
            else
            {
                sRgbFilename = new ProfileFilename(rgbProfile.LocalPath);
            }

            var hSRgbProfile = OpenColorProfile(sRgbFilename, ProfileRead, FileShare.Read,
                                                CreateDisposition.OpenExisting);
            var isoCoatedFilename = new ProfileFilename(cmykProfile.LocalPath);
            var hIsoCoatedProfile = OpenColorProfile(isoCoatedFilename, ProfileRead, FileShare.Read,
                                                     CreateDisposition.OpenExisting);

            var profiles  = new[] { hSRgbProfile, hIsoCoatedProfile };
            var intents   = new[] { IntentPerceptual };
            var transform = CreateMultiProfileTransform(profiles, 2, intents, 1, ColorTransformMode.BestMode,
                                                        IndexDontCare);

            var rgbColors = new RgbColor[1];

            rgbColors[0] = new RgbColor();

            var cmykColors = new CmykColor[1];

            cmykColors[0] = new CmykColor();

            rgbColors[0].red   = (ushort)(rgb.R * dividend / 255.0);
            rgbColors[0].green = (ushort)(rgb.G * dividend / 255.0);
            rgbColors[0].blue  = (ushort)(rgb.B * dividend / 255.0);

            TranslateColors(transform, rgbColors, 1, ColorType.Rgb, cmykColors, ColorType.CMYK);

            DeleteColorTransform(transform);
            CloseColorProfile(hSRgbProfile);
            CloseColorProfile(hIsoCoatedProfile);

            return(new Cmyk
            {
                C = cmykColors[0].cyan / dividend,
                M = cmykColors[0].magenta / dividend,
                Y = cmykColors[0].yellow / dividend,
                K = cmykColors[0].black / dividend
            });
        }
コード例 #2
0
ファイル: Form1.cs プロジェクト: mylenrise/BSU_Csharp
        private void SetRgbToCmyk()
        {
            pb1.BackColor = Color.FromArgb(trbRed.Value, trbGreen.Value, trbBlue.Value);

            Converter cnv = new Converter();
            CmykColor cm  = cnv.rgbToCmyk(trbRed.Value, trbGreen.Value, trbBlue.Value);

            trbCyan.Value    = cm.c;
            trbMagenta.Value = cm.m;
            trbYellow.Value  = cm.y;
            trbKey.Value     = cm.k;
        }
コード例 #3
0
ファイル: Form2.cs プロジェクト: mylenrise/BSU_Csharp
        private void SetHlsToCmyk()
        {
            Converter preCnv = new Converter();
            RgbColor  rc     = Converter.HlsToRgb(trbHue.Value, trbLight.Value, trbSaturation.Value);

            pb1.BackColor = Color.FromArgb(rc.r, rc.g, rc.b);
            Converter cnv = new Converter();
            CmykColor cm  = cnv.rgbToCmyk(rc.r, rc.g, rc.b);

            trbCyan.Value    = cm.c;
            trbMagenta.Value = cm.m;
            trbYellow.Value  = cm.y;
            trbKey.Value     = cm.k;
        }
コード例 #4
0
ファイル: Form2.cs プロジェクト: mylenrise/BSU_Csharp
        private void Button1_Click(object sender, EventArgs e)
        {
            if (colorDialog1.ShowDialog() == DialogResult.Cancel)
            {
                return;
            }

            Converter preCnv = new Converter();
            CmykColor cm     = preCnv.rgbToCmyk(colorDialog1.Color.R, colorDialog1.Color.G, colorDialog1.Color.B);

            pb1.BackColor    = colorDialog1.Color;
            trbCyan.Value    = cm.c;
            trbMagenta.Value = cm.m;
            trbYellow.Value  = cm.y;
            trbKey.Value     = cm.k;

            SetCmykToHls();
        }