public unsafe static SKDocument CreatePdf(SKWStream stream, SKDocumentPdfMetadata metadata, float dpi = DefaultRasterDpi)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
using (var title = SKString.Create(metadata.Title))
using (var author = SKString.Create(metadata.Author))
using (var subject = SKString.Create(metadata.Subject))
using (var keywords = SKString.Create(metadata.Keywords))
using (var creator = SKString.Create(metadata.Creator))
using (var producer = SKString.Create(metadata.Producer)) {
var cmetadata = new SKDocumentPdfMetadataInternal {
Title = title?.Handle ?? IntPtr.Zero,
Author = author?.Handle ?? IntPtr.Zero,
Subject = subject?.Handle ?? IntPtr.Zero,
Keywords = keywords?.Handle ?? IntPtr.Zero,
Creator = creator?.Handle ?? IntPtr.Zero,
Producer = producer?.Handle ?? IntPtr.Zero
};
if (metadata.Creation != null)
{
var creation = SKTimeDateTimeInternal.Create(metadata.Creation.Value);
cmetadata.Creation = &creation;
}
if (metadata.Modified != null)
{
var modified = SKTimeDateTimeInternal.Create(metadata.Modified.Value);
cmetadata.Modified = &modified;
}
return(GetObject <SKDocument> (SkiaApi.sk_document_create_pdf_from_stream_with_metadata(stream.Handle, dpi, ref cmetadata)));
}
}
public string GetFamilyName(int index)
{
using (var str = new SKString()) {
SkiaApi.sk_fontmgr_get_family_name(Handle, index, str.Handle);
return((string)str);
}
}
public SKPositionedRunBuffer AllocatePositionedRun(SKPaint font, int count, int textByteCount, SKRect?bounds)
{
if (font == null)
{
throw new ArgumentNullException(nameof(font));
}
var originalEncoding = font.TextEncoding;
try {
font.TextEncoding = SKTextEncoding.GlyphId;
using var lang = new SKString();
SKRunBufferInternal runbuffer;
if (bounds is SKRect b)
{
SkiaApi.sk_textblob_builder_alloc_run_text_pos(Handle, font.Handle, count, textByteCount, lang.Handle, &b, &runbuffer);
}
else
{
SkiaApi.sk_textblob_builder_alloc_run_text_pos(Handle, font.Handle, count, textByteCount, lang.Handle, null, &runbuffer);
}
return(new SKPositionedRunBuffer(runbuffer, count, textByteCount));
} finally {
font.TextEncoding = originalEncoding;
}
}
public string ToSvgPathData()
{
using (SKString str = new SKString()) {
SkiaApi.sk_path_to_svg_string(Handle, str.Handle);
return((string)str);
}
}
public string GetStyleName(int index)
{
using (var str = new SKString()) {
SkiaApi.sk_fontstyleset_get_style(Handle, index, IntPtr.Zero, str.Handle);
return((string)str);
}
}
public void GetStyle(int index, out SKFontStyle fontStyle, out string styleName)
{
fontStyle = new SKFontStyle();
using (var str = new SKString()) {
SkiaApi.sk_fontstyleset_get_style(Handle, index, fontStyle.Handle, str.Handle);
styleName = (string)str;
}
}
private IEnumerable <string> GetUniformNames()
{
var count = (int)SkiaApi.sk_runtimeeffect_get_uniforms_count(Handle);
using var str = new SKString();
for (var i = 0; i < count; i++)
{
SkiaApi.sk_runtimeeffect_get_uniform_name(Handle, i, str.Handle);
yield return(str.ToString());
}
}
// Create
public static SKRuntimeEffect Create(string sksl, out string errors)
{
using var s = new SKString(sksl);
using var errorString = new SKString();
var effect = GetObject(SkiaApi.sk_runtimeeffect_make(s.Handle, errorString.Handle));
errors = errorString?.ToString();
if (errors?.Length == 0)
{
errors = null;
}
return(effect);
}
public static SKDocument CreatePdf(SKWStream stream, SKDocumentPdfMetadata metadata)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
using (var title = SKString.Create(metadata.Title))
using (var author = SKString.Create(metadata.Author))
using (var subject = SKString.Create(metadata.Subject))
using (var keywords = SKString.Create(metadata.Keywords))
using (var creator = SKString.Create(metadata.Creator))
using (var producer = SKString.Create(metadata.Producer)) {
var cmetadata = new SKDocumentPdfMetadataInternal {
fTitle = title?.Handle ?? IntPtr.Zero,
fAuthor = author?.Handle ?? IntPtr.Zero,
fSubject = subject?.Handle ?? IntPtr.Zero,
fKeywords = keywords?.Handle ?? IntPtr.Zero,
fCreator = creator?.Handle ?? IntPtr.Zero,
fProducer = producer?.Handle ?? IntPtr.Zero,
fRasterDPI = metadata.RasterDpi,
fPDFA = metadata.PdfA ? (byte)1 : (byte)0,
fEncodingQuality = metadata.EncodingQuality,
};
SKTimeDateTimeInternal creation;
if (metadata.Creation != null)
{
creation = SKTimeDateTimeInternal.Create(metadata.Creation.Value);
cmetadata.fCreation = &creation;
}
SKTimeDateTimeInternal modified;
if (metadata.Modified != null)
{
modified = SKTimeDateTimeInternal.Create(metadata.Modified.Value);
cmetadata.fModified = &modified;
}
return(Referenced(GetObject <SKDocument> (SkiaApi.sk_document_create_pdf_from_stream_with_metadata(stream.Handle, &cmetadata)), stream));
}
}
public SKHorizontalRunBuffer AllocateHorizontalRun(SKPaint font, int count, float y, int textByteCount, SKRect?bounds)
{
if (font == null)
{
throw new ArgumentNullException(nameof(font));
}
using (var lang = new SKString()) {
SKRunBufferInternal runbuffer;
if (bounds is SKRect b)
{
SkiaApi.sk_textblob_builder_alloc_run_text_pos_h(Handle, font.Handle, count, y, textByteCount, lang.Handle, &b, &runbuffer);
}
else
{
SkiaApi.sk_textblob_builder_alloc_run_text_pos_h(Handle, font.Handle, count, y, textByteCount, lang.Handle, null, &runbuffer);
}
return(new SKHorizontalRunBuffer(runbuffer, count, textByteCount));
}
}
internal SKTextBlobBuilderRunBuffer AllocateRunPositioned(SKPaint font, int count, int textByteCount, SKRect?bounds)
{
if (font == null)
{
throw new ArgumentNullException(nameof(font));
}
using (var lang = new SKString()) {
unsafe {
SKTextBlobBuilderRunBuffer runbuffer;
if (bounds is SKRect b)
{
SkiaApi.sk_textblob_builder_alloc_run_text_pos(Handle, font.Handle, count, textByteCount, lang.Handle, &b, out runbuffer);
}
else
{
SkiaApi.sk_textblob_builder_alloc_run_text_pos(Handle, font.Handle, count, textByteCount, lang.Handle, (SKRect *)IntPtr.Zero, out runbuffer);
}
return(runbuffer);
}
}
}
public SKRunBuffer AllocateRun(SKPaint font, int count, float x, float y, int textByteCount, SKRect?bounds)
{
if (font == null)
{
throw new ArgumentNullException(nameof(font));
}
using (var lang = new SKString()) {
unsafe {
SKRunBufferInternal runbuffer;
if (bounds is SKRect b)
{
SkiaApi.sk_textblob_builder_alloc_run_text(Handle, font.Handle, count, x, y, textByteCount, lang.Handle, &b, out runbuffer);
}
else
{
SkiaApi.sk_textblob_builder_alloc_run_text(Handle, font.Handle, count, x, y, textByteCount, lang.Handle, (SKRect *)IntPtr.Zero, out runbuffer);
}
return(new SKRunBuffer(runbuffer, count, textByteCount));
}
}
}
public string ToSvgPathData () {
using (SKString str = new SKString ()) {
SkiaApi.sk_path_to_svg_string (Handle, str.Handle);
return (string)str;
}
}
