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Added a new ClipboardFormat (HTML with the image encoded in base64 as a Data Url), only used when manually set.

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1661 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-02-17 09:59:05 +00:00
parent 5038d7d237
commit 9183e582df
2 changed files with 49 additions and 9 deletions
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56
Greenshot/Helpers/ClipboardHelper.cs
View file

@ -42,7 +42,9 @@ namespace Greenshot.Helpers {
private static readonly Object clipboardLockObject = new Object();
private static readonly CoreConfiguration config = IniConfig.GetIniSection<CoreConfiguration>();
private static IntPtr nextClipboardViewer = IntPtr.Zero;
// Template for the HTML Text on the clipboard, see: http://msdn.microsoft.com/en-us/library/ms649015%28v=vs.85%29.aspx
// Template for the HTML Text on the clipboard
// see: http://msdn.microsoft.com/en-us/library/ms649015%28v=vs.85%29.aspx
// or: http://msdn.microsoft.com/en-us/library/Aa767917.aspx
private const string HTML_CLIPBOARD_STRING = @"Version:0.9
StartHTML:<<<<<<<1
EndHTML:<<<<<<<2
@ -60,6 +62,24 @@ EndSelection:<<<<<<<4
<img border='0' src='file:///${file}' width='${width}' height='${height}'>
<!--EndFragment -->
</BODY>
</HTML>";
private const string HTML_CLIPBOARD_BASE64_STRING = @"Version:0.9
StartHTML:<<<<<<<1
EndHTML:<<<<<<<2
StartFragment:<<<<<<<3
EndFragment:<<<<<<<4
StartSelection:<<<<<<<3
EndSelection:<<<<<<<4
<!DOCTYPE>
<HTML>
<HEAD>
<TITLE>Greenshot capture</TITLE>
</HEAD>
<BODY>
<!--StartFragment -->
<img border='0' src='data:image/${format};base64,${data}' width='${width}' height='${height}'>
<!--EndFragment -->
</BODY>
</HTML>";
/**
@ -276,7 +296,7 @@ EndSelection:<<<<<<<4
SetDataObject(ido);
}
private static string getClipboardString(Image image, string filename) {
private static string getHTMLString(Image image, string filename) {
string utf8EncodedHTMLString = Encoding.GetEncoding(0).GetString(Encoding.UTF8.GetBytes(HTML_CLIPBOARD_STRING));
utf8EncodedHTMLString= utf8EncodedHTMLString.Replace("${width}", image.Width.ToString());
utf8EncodedHTMLString= utf8EncodedHTMLString.Replace("${height}", image.Height.ToString());
@ -289,7 +309,22 @@ EndSelection:<<<<<<<4
sb.Replace("<<<<<<<4", (utf8EncodedHTMLString.IndexOf("<!--EndFragment -->")).ToString("D8"));
return sb.ToString();
}
private static string getHTMLDataURLString(Image image, MemoryStream pngStream) {
string utf8EncodedHTMLString = Encoding.GetEncoding(0).GetString(Encoding.UTF8.GetBytes(HTML_CLIPBOARD_BASE64_STRING));
utf8EncodedHTMLString= utf8EncodedHTMLString.Replace("${width}", image.Width.ToString());
utf8EncodedHTMLString= utf8EncodedHTMLString.Replace("${height}", image.Height.ToString());
utf8EncodedHTMLString = utf8EncodedHTMLString.Replace("${format}", "png");
utf8EncodedHTMLString = utf8EncodedHTMLString.Replace("${data}", Convert.ToBase64String(pngStream.GetBuffer()));
StringBuilder sb=new StringBuilder();
sb.Append(utf8EncodedHTMLString);
sb.Replace("<<<<<<<1", (utf8EncodedHTMLString.IndexOf("<HTML>") + "<HTML>".Length).ToString("D8"));
sb.Replace("<<<<<<<2", (utf8EncodedHTMLString.IndexOf("</HTML>")).ToString("D8"));
sb.Replace("<<<<<<<3", (utf8EncodedHTMLString.IndexOf("<!--StartFragment -->")+"<!--StartFragment -->".Length).ToString("D8"));
sb.Replace("<<<<<<<4", (utf8EncodedHTMLString.IndexOf("<!--EndFragment -->")).ToString("D8"));
return sb.ToString();
}
/**
* Set an Image to the clipboard
*
@ -312,15 +347,19 @@ EndSelection:<<<<<<<4
MemoryStream imageStream = null;
MemoryStream pngStream = null;
try {
if (config.ClipboardFormats.Contains(ClipboardFormat.PNG)) {
// Create PNG stream
if (config.ClipboardFormats.Contains(ClipboardFormat.PNG) || config.ClipboardFormats.Contains(ClipboardFormat.HTMLDATAURL)) {
pngStream = new MemoryStream();
// PNG works for Powerpoint
image.Save(pngStream, ImageFormat.Png);
pngStream.Seek(0, SeekOrigin.Begin);
}
if (config.ClipboardFormats.Contains(ClipboardFormat.PNG)) {
// Set the PNG stream
ido.SetData("PNG", false, pngStream);
}
if (config.ClipboardFormats.Contains(ClipboardFormat.HTML)) {
bmpStream = new MemoryStream();
// Save image as BMP
@ -336,10 +375,11 @@ EndSelection:<<<<<<<4
// Set the HTML
if (config.ClipboardFormats.Contains(ClipboardFormat.HTML)) {
// Mark the clipboard for us as "do not touch"
ido.SetData("greenshot", false, "was here!");
string tmpFile = ImageOutput.SaveToTmpFile(image, OutputFormat.png, config.OutputFileJpegQuality);
string html = getClipboardString(image, tmpFile);
string html = getHTMLString(image, tmpFile);
ido.SetText(html, TextDataFormat.Html);
} else if (config.ClipboardFormats.Contains(ClipboardFormat.HTMLDATAURL)) {
string html = getHTMLDataURLString(image, pngStream);
ido.SetText(html, TextDataFormat.Html);
}
} finally {

2
GreenshotPlugin/Core/CoreConfiguration.cs
View file

@ -29,7 +29,7 @@ using IniFile;
namespace GreenshotPlugin.Core {
public enum ClipboardFormat {
PNG, DIB, HTML
PNG, DIB, HTML, HTMLDATAURL
}
public enum OutputFormat {
bmp, gif, jpg, png, tiff