Пример #1
0
 protected override TextureArea CreateTextureArea(
     TextureArea originalTextureArea, TextureAtlasTextureDefinition definition)
 {
     return new CachedTexture(
         originalTextureArea.TextureId, definition.TopLeft,
         definition.BottomRight, definition.Width, definition.Height);
 }
Пример #2
0
        public void Update()
        {
            if (_areaNext == null)
                return;

            _areaCurrent = _areaNext;
            _areaNext = null;

            if (OnChange != null)
                OnChange(this);
        }
Пример #3
0
        public TextureArea GetTexture(string filename, Rectangle rectangle)
        {
            var newTexture = GetTextureFromCache(filename);

            // Determine pixel coordinates
            var topLeft = new Vector
            {
                X = rectangle.TopLeft.X / newTexture.Width,
                Y = rectangle.TopLeft.Y / newTexture.Height
            };

            var bottomRight = new Vector
            {
                X = rectangle.BottomRight.X / newTexture.Width,
                Y = rectangle.BottomRight.Y / newTexture.Height
            };

            var newTextureArea = new TextureArea(newTexture.TextureId, new Vector(topLeft.X, topLeft.Y), new Vector(bottomRight.X, bottomRight.Y));

            return newTextureArea;
        }
Пример #4
0
 /// <summary>
 /// Load a texture. This texture may be loaded into a texture atlas.
 /// </summary>
 /// <param name="filename"></param>
 /// <returns></returns>
 public TextureArea GetTexture(string filename)
 {
     var cachedTexture = GetTextureFromCache(filename);
     var newTextureArea = new TextureArea(cachedTexture.TextureId);
     return newTextureArea;
 }
Пример #5
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        private static void WriteQuad(TextureArea texture, Rectangle rect, IDataStream<TransformedColouredTexturedVertex> dataStream, float alpha)
        {
            rect = rect.Translate(-0.5f, -0.5f);

            dataStream.WriteRange(
                new[]
                {
                    MakeVertex(rect.TopLeft, texture.AtlasTopLeft, alpha),
                    MakeVertex(rect.BottomRight, texture.AtlasBottomRight, alpha),
                    MakeVertex(rect.BottomLeft, texture.AtlasBottomLeft, alpha),
                    MakeVertex(rect.TopLeft, texture.AtlasTopLeft, alpha),
                    MakeVertex(rect.TopRight, texture.AtlasTopRight, alpha),
                    MakeVertex(rect.BottomRight, texture.AtlasBottomRight, alpha)
                });
        }
Пример #6
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        private static void WriteCroppedQuad(TextureArea texture, Rectangle rect, 
            IDataStream<TransformedColouredTexturedVertex> dataStream, float horizontalCrop, float verticalCrop)
        {
            rect = rect.Translate(-0.5f, -0.5f).Scale(horizontalCrop, verticalCrop);

            var atlasRect = new Rectangle(texture.AtlasTopLeft, texture.AtlasBottomRight);
            atlasRect = atlasRect.Scale(horizontalCrop, verticalCrop);

            dataStream.WriteRange(
                new[]
                {
                    MakeVertex(rect.TopLeft, atlasRect.TopLeft),
                    MakeVertex(rect.BottomRight, atlasRect.BottomRight),
                    MakeVertex(rect.BottomLeft, atlasRect.BottomLeft),
                    MakeVertex(rect.TopLeft, atlasRect.TopLeft),
                    MakeVertex(rect.TopRight, atlasRect.TopRight),
                    MakeVertex(rect.BottomRight, atlasRect.BottomRight)
                });
        }
Пример #7
0
 public TextureAreaHolder(TextureArea area)
 {
     _areaCurrent = area;
     _areaNext = null;
 }
Пример #8
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 protected abstract TextureArea CreateTextureArea(TextureArea cachedTexture, TextureAtlasTextureDefinition definition);