// //////////// TEXT
/// <summary>
/// Creates a text chunk and enqueues it
/// </summary>
/// <param name="key">Key. Short and ASCII string</param>
/// <param name="val">Text.</param>
/// <param name="useLatin1">Flag. If false, will use UTF-8 (iTXt)</param>
/// <param name="compress">Flag. Uses zTXt chunk.</param>
/// <returns>The created and enqueued chunk</returns>
public PngChunkTextVar SetText(String key, String val, bool useLatin1, bool compress)
{
if (compress && !useLatin1)
{
throw new PngjException("cannot compress non latin text");
}
PngChunkTextVar c;
if (useLatin1)
{
if (compress)
{
c = new PngChunkZTXT(chunkList.imageInfo);
}
else
{
c = new PngChunkTEXT(chunkList.imageInfo);
}
}
else
{
c = new PngChunkITXT(chunkList.imageInfo);
((PngChunkITXT)c).SetLangtag(key); // we use the same orig tag (this is not quite right)
}
c.SetKeyVal(key, val);
QueueChunk(c, true);
return(c);
}
public override void CloneDataFromRead(PngChunk other)
{
PngChunkITXT pngChunkITXT = (PngChunkITXT)other;
key = pngChunkITXT.key;
val = pngChunkITXT.val;
compressed = pngChunkITXT.compressed;
langTag = pngChunkITXT.langTag;
translatedTag = pngChunkITXT.translatedTag;
}
public override void CloneDataFromRead(PngChunk other)
{
PngChunkITXT otherx = (PngChunkITXT)other;
key = otherx.key;
val = otherx.val;
compressed = otherx.compressed;
langTag = otherx.langTag;
translatedTag = otherx.translatedTag;
}
private void CloneData(PngChunkITXT other)
{
if (other is null)
{
throw new System.ArgumentNullException(nameof(other));
}
Key = other.Key;
Val = other.Val;
compressed = other.compressed;
langTag = other.langTag;
translatedTag = other.translatedTag;
}
public PngChunkTextVar SetText(string key, string val, bool useLatin1, bool compress)
{
if (compress && !useLatin1)
{
throw new PngjException("cannot compress non latin text");
}
PngChunkTextVar pngChunkTextVar;
if (useLatin1)
{
pngChunkTextVar = ((!compress) ? ((PngChunkTextVar) new PngChunkTEXT(chunkList.imageInfo)) : ((PngChunkTextVar) new PngChunkZTXT(chunkList.imageInfo)));
}
else
{
pngChunkTextVar = new PngChunkITXT(chunkList.imageInfo);
((PngChunkITXT)pngChunkTextVar).SetLangtag(key);
}
pngChunkTextVar.SetKeyVal(key, val);
QueueChunk(pngChunkTextVar, lazyOverwrite: true);
return(pngChunkTextVar);
}
// //////////// TEXT
/// <summary>
/// Creates a text chunk and enqueues it
/// </summary>
/// <param name="key">Key. Short and ASCII string</param>
/// <param name="val">Text.</param>
/// <param name="useLatin1">Flag. If false, will use UTF-8 (iTXt)</param>
/// <param name="compress">Flag. Uses zTXt chunk.</param>
/// <returns>The created and enqueued chunk</returns>
public PngChunkTextVar SetText(String key, String val, bool useLatin1, bool compress)
{
if (compress && !useLatin1)
throw new PngjException("cannot compress non latin text");
PngChunkTextVar c;
if (useLatin1) {
if (compress) {
c = new PngChunkZTXT(chunkList.imageInfo);
} else {
c = new PngChunkTEXT(chunkList.imageInfo);
}
} else {
c = new PngChunkITXT(chunkList.imageInfo);
((PngChunkITXT)c).SetLangtag(key); // we use the same orig tag (this is not quite right)
}
c.SetKeyVal(key, val);
QueueChunk(c, true);
return c;
}