private static bool GenerateSpritesFromBins(// input
SVGPackedBin[] bins,
Dictionary <uint, PackedSvgDocRef> loadedDocuments,
float generationScale,
Color clearColor,
bool fastUpload,
SVGSpritesDictionary previousSprites,
// output
List <Texture2D> textures, List <KeyValuePair <SVGSpriteRef, SVGSpriteData> > sprites,
SVGSpritesListDictionary spritesListDict)
{
if (bins == null || loadedDocuments == null || textures == null || sprites == null)
{
return(false);
}
// sprite reference/key used to get pivot
SVGSpriteRef tmpRef = new SVGSpriteRef(null, 0);
for (int i = 0; i < bins.Length; ++i)
{
// extract the bin
SVGPackedBin bin = bins[i];
// create drawing surface
SVGSurface surface = SVGAssets.CreateSurface(bin.Width, bin.Height);
if (surface != null)
{
// draw packed rectangles of the current bin
if (surface.Draw(bin, new SVGColor(clearColor.r, clearColor.g, clearColor.b, clearColor.a), SVGRenderingQuality.Better))
{
// bin rectangles
SVGPackedRectangle[] rectangles = bin.Rectangles;
// create a 2D texture compatible with the drawing surface
Texture2D texture = surface.CreateCompatibleTexture(true, false);
if (texture != null)
{
// push the created texture
textures.Add(texture);
for (int j = 0; j < rectangles.Length; ++j)
{
PackedSvgDocRef svgDocRef;
SVGPackedRectangle rect = rectangles[j];
// get access to the referenced SVG document
if (loadedDocuments.TryGetValue(rect.DocHandle, out svgDocRef))
{
SVGSpriteAssetFile spriteAsset;
Vector2 pivot;
Vector4 border;
bool inCurrentInstancesGroup;
// try to see if this sprite was previously generated, and if so get its pivot
tmpRef.TxtAsset = svgDocRef.TxtAsset;
tmpRef.ElemIdx = (int)rect.ElemIdx;
// get the previous pivot if present, else start with a default centered pivot
if (previousSprites.TryGetValue(tmpRef, out spriteAsset))
{
float deltaScaleRatio = generationScale / spriteAsset.SpriteData.GenerationScale;
pivot = spriteAsset.SpriteData.Pivot;
border = spriteAsset.SpriteData.Border * deltaScaleRatio;
inCurrentInstancesGroup = spriteAsset.SpriteData.InCurrentInstancesGroup;
}
else
{
pivot = new Vector2(0.5f, 0.5f);
border = Vector4.zero;
inCurrentInstancesGroup = false;
}
// create a new sprite
Sprite sprite = Sprite.Create(texture, new Rect((float)rect.X, (float)((int)bin.Height - rect.Y - rect.Height), (float)rect.Width, (float)rect.Height), pivot, SVGBasicAtlas.SPRITE_PIXELS_PER_UNIT, 0, SpriteMeshType.FullRect, border);
sprite.name = svgDocRef.Name + "_" + rect.Name;
// push the sprite reference
SVGSpriteRef key = new SVGSpriteRef(svgDocRef.TxtAsset, (int)rect.ElemIdx);
SVGSpriteData value = new SVGSpriteData(sprite, pivot, border, rect.ZOrder, rect.OriginalX, rect.OriginalY, generationScale, inCurrentInstancesGroup);
sprites.Add(new KeyValuePair <SVGSpriteRef, SVGSpriteData>(key, value));
// check if we are interested in getting, for each SVG document, the list of its generated sprites
if (spritesListDict != null)
{
SVGSpritesList spritesList;
if (!spritesListDict.TryGetValue(svgDocRef.TxtAsset.GetInstanceID(), out spritesList))
{
// create the list of sprites location relative to the SVG text asset
spritesList = new SVGSpritesList();
spritesListDict.Add(svgDocRef.TxtAsset.GetInstanceID(), spritesList);
}
// add the new sprite the its list
spritesList.Sprites.Add(key);
}
// decrement document references
if (svgDocRef.Dec(1) == 0)
{
// we can free AmanithSVG native SVG document
svgDocRef.Document.Dispose();
}
}
}
// copy the surface content into the texture
if (fastUpload && (Application.isPlaying))
{
surface.CopyAndDestroy(texture);
}
else
{
if (surface.Copy(texture))
{
// call Apply() so it's actually uploaded to the GPU
texture.Apply(false, false);
}
}
}
}
// destroy the AmanithSVG rendering surface
surface.Dispose();
}
}
return(true);
}
/*
Map a point, expressed in the document viewport system, into the surface viewport.
The transformation will be performed according to the current document viewport and the
current surface viewport.
The includeDstViewportTransformation parameter specifies if the surface viewport transformation must be
considered during the mapping operation.
*/
public SVGPoint PointMap(SVGSurface surface, SVGPoint p, bool includeSurfaceViewportTransformation)
{
SVGPoint zero = new SVGPoint(0.0f, 0.0f);
if (surface != null && p != null)
{
int err;
float[] dst = new float[2];
// update document viewport (AmanithSVG backend)
if (!this.UpdateViewport())
return zero;
// update surface viewport (AmanithSVG backend)
if (!surface.UpdateViewport())
return zero;
// map the specified point
if ((err = AmanithSVG.svgtPointMap(this._handle, surface.Handle, p.X, p.Y, includeSurfaceViewportTransformation ? AmanithSVG.SVGT_TRUE : AmanithSVG.SVGT_FALSE, dst)) != AmanithSVG.SVGT_NO_ERROR)
{
// log an error message
AmanithSVG.svgtErrorLog("Error mapping a point: ", err);
return zero;
}
// return the result
return new SVGPoint(dst[0], dst[1]);
}
else
return zero;
}
