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#if NET40 || NET461
using System;
using System.Drawing;
namespace Apewer.Internals.QrCode
{
internal class PostscriptQRCode : AbstractQRCode, IDisposable
{
/// <summary>
/// Constructor without params to be used in COM Objects connections
/// </summary>
public PostscriptQRCode() { }
public PostscriptQRCode(QRCodeData data) : base(data) { }
public string GetGraphic(int pointsPerModule, bool epsFormat = false)
{
var viewBox = new Size(pointsPerModule * this.QrCodeData.ModuleMatrix.Count, pointsPerModule * this.QrCodeData.ModuleMatrix.Count);
return this.GetGraphic(viewBox, Color.Black, Color.White, true, epsFormat);
}
public string GetGraphic(int pointsPerModule, Color darkColor, Color lightColor, bool drawQuietZones = true, bool epsFormat = false)
{
var viewBox = new Size(pointsPerModule * this.QrCodeData.ModuleMatrix.Count, pointsPerModule * this.QrCodeData.ModuleMatrix.Count);
return this.GetGraphic(viewBox, darkColor, lightColor, drawQuietZones, epsFormat);
}
public string GetGraphic(int pointsPerModule, string darkColorHex, string lightColorHex, bool drawQuietZones = true, bool epsFormat = false)
{
var viewBox = new Size(pointsPerModule * this.QrCodeData.ModuleMatrix.Count, pointsPerModule * this.QrCodeData.ModuleMatrix.Count);
return this.GetGraphic(viewBox, darkColorHex, lightColorHex, drawQuietZones, epsFormat);
}
public string GetGraphic(Size viewBox, bool drawQuietZones = true, bool epsFormat = false)
{
return this.GetGraphic(viewBox, Color.Black, Color.White, drawQuietZones, epsFormat);
}
public string GetGraphic(Size viewBox, string darkColorHex, string lightColorHex, bool drawQuietZones = true, bool epsFormat = false)
{
return this.GetGraphic(viewBox, ColorTranslator.FromHtml(darkColorHex), ColorTranslator.FromHtml(lightColorHex), drawQuietZones, epsFormat);
}
public string GetGraphic(Size viewBox, Color darkColor, Color lightColor, bool drawQuietZones = true, bool epsFormat = false)
{
var offset = drawQuietZones ? 0 : 4;
var drawableModulesCount = this.QrCodeData.ModuleMatrix.Count - (drawQuietZones ? 0 : offset * 2);
var pointsPerModule = (double)Math.Min(viewBox.Width, viewBox.Height) / (double)drawableModulesCount;
string psFile = string.Format(psHeader, new object[] {
DateTime.Now.ToString("s"), CleanSvgVal(viewBox.Width), CleanSvgVal(pointsPerModule),
epsFormat ? "EPSF-3.0" : string.Empty
});
psFile += string.Format(psFunctions, new object[] {
CleanSvgVal(darkColor.R /255.0), CleanSvgVal(darkColor.G /255.0), CleanSvgVal(darkColor.B /255.0),
CleanSvgVal(lightColor.R /255.0), CleanSvgVal(lightColor.G /255.0), CleanSvgVal(lightColor.B /255.0),
drawableModulesCount
});
for (int xi = offset; xi < offset + drawableModulesCount; xi++)
{
if (xi > offset)
psFile += "nl\n";
for (int yi = offset; yi < offset + drawableModulesCount; yi++)
{
psFile += (this.QrCodeData.ModuleMatrix[xi][yi] ? "f " : "b ");
}
psFile += "\n";
}
return psFile + psFooter;
}
private string CleanSvgVal(double input)
{
//Clean double values for international use/formats
return input.ToString(System.Globalization.CultureInfo.InvariantCulture);
}
private const string psHeader = @"%!PS-Adobe-3.0 {3}
%%Creator: QRCoder.NET
%%Title: QRCode
%%CreationDate: {0}
%%DocumentData: Clean7Bit
%%Origin: 0
%%DocumentMedia: Default {1} {1} 0 () ()
%%BoundingBox: 0 0 {1} {1}
%%LanguageLevel: 2
%%Pages: 1
%%Page: 1 1
%%EndComments
%%BeginConstants
/sz {1} def
/sc {2} def
%%EndConstants
%%BeginFeature: *PageSize Default
<< /PageSize [ sz sz ] /ImagingBBox null >> setpagedevice
%%EndFeature
";
private const string psFunctions = @"%%BeginFunctions
/csquare {{
newpath
0 0 moveto
0 1 rlineto
1 0 rlineto
0 -1 rlineto
closepath
setrgbcolor
fill
}} def
/f {{
{0} {1} {2} csquare
1 0 translate
}} def
/b {{
1 0 translate
}} def
/background {{
{3} {4} {5} csquare
}} def
/nl {{
-{6} -1 translate
}} def
%%EndFunctions
%%BeginBody
0 0 moveto
gsave
sz sz scale
background
grestore
gsave
sc sc scale
0 {6} 1 sub translate
";
private const string psFooter = @"%%EndBody
grestore
showpage
%%EOF
";
}
}
#endif