public static bool GenerateSprites(// input
List <SVGAssetInput> svgList,
int maxTexturesDimension,
int border,
bool pow2Textures,
float scale,
Color clearColor,
bool fastUpload,
SVGSpritesDictionary previousSprites,
// output
List <Texture2D> textures,
List <KeyValuePair <SVGSpriteRef, SVGSpriteData> > sprites,
SVGSpritesListDictionary spritesList)
{
// create dictionaries
Dictionary <int, PackedSvgAssetDocLink> processedAssets = new Dictionary <int, PackedSvgAssetDocLink>();
Dictionary <uint, PackedSvgDocRef> loadedDocuments = new Dictionary <uint, PackedSvgDocRef>();
// generate bins
SVGPackedBin[] bins = SVGRuntimeGenerator.GenerateBins(svgList, maxTexturesDimension, border, pow2Textures, scale, processedAssets, loadedDocuments);
if (bins != null)
{
// generate textures and sprites
if (SVGRuntimeGenerator.GenerateSpritesFromBins(bins, loadedDocuments, scale, clearColor, fastUpload, previousSprites, textures, sprites, spritesList))
{
return(true);
}
}
return(false);
}
public SVGRuntimeSprite GetSpriteByName(string spriteName)
{
SVGSpritesDictionary spritesSet = Application.isPlaying ? this.m_RuntimeSprites : this.m_GeneratedSpritesFiles;
float scale = Application.isPlaying ? this.m_RuntimeGenerationScale : this.m_EditorGenerationScale;
if (spritesSet != null)
{
// slow linear search
foreach (SVGSpriteAssetFile spriteAsset in spritesSet.Values())
{
Sprite sprite = spriteAsset.SpriteData.Sprite;
if (sprite.name == spriteName)
{
return(new SVGRuntimeSprite(sprite, scale, spriteAsset.SpriteRef));
}
}
}
return(null);
}
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);
}
