|
public static RenderTexture ( |
||
| canvas | ||
| bitmap | ||
| rect | ||
| opacity | float | |
| return | void | |
public static void Draw(SKCanvas canvas, IViewport viewport, IStyle style, IFeature feature,
IDictionary <object, SKBitmapInfo> skBitmapCache, long currentIteration)
{
try
{
var raster = (IRaster)feature.Geometry;
SKBitmapInfo textureInfo;
if (!skBitmapCache.Keys.Contains(raster))
{
textureInfo = BitmapHelper.LoadTexture(raster.Data);
skBitmapCache[raster] = textureInfo;
}
else
{
textureInfo = skBitmapCache[raster];
}
textureInfo.IterationUsed = currentIteration;
skBitmapCache[raster] = textureInfo;
var destination = WorldToScreen(viewport, feature.Geometry.GetBoundingBox());
BitmapHelper.RenderTexture(canvas, textureInfo.Bitmap, RoundToPixel(destination).ToSkia());
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
public static void Draw(SKCanvas canvas, LabelStyle style, string text, float x, float y)
{
var key = text + "_" + style.Font.FontFamily + "_" + style.Font.Size + "_" + (float)style.Font.Size + "_" + style.BackColor + "_" + style.ForeColor;
if (!LabelBitmapCache.Keys.Contains(key))
{
LabelBitmapCache[key] = new SKBitmapInfo {
Bitmap = PlatformLabelBitmap.Create(style, text)
};
}
var info = LabelBitmapCache[key];
BitmapHelper.RenderTexture(canvas, info.Bitmap, x, y,
offsetX: (float)style.Offset.X, offsetY: (float)style.Offset.Y,
horizontalAlignment: style.HorizontalAlignment, verticalAlignment: style.VerticalAlignment);
}
public static void DrawAsBitmap(SKCanvas canvas, LabelStyle style, IFeature feature, float x, float y)
{
var text = style.GetLabelText(feature);
var key = text + "_" + style.Font.FontFamily + "_" + style.Font.Size + "_" + (float)style.Font.Size + "_" +
style.BackColor + "_" + style.ForeColor;
if (!LabelBitmapCache.Keys.Contains(key))
{
LabelBitmapCache[key] = new SKBitmapInfo {
Bitmap = CreateLabelAsBitmap(style, text)
}
}
;
var info = LabelBitmapCache[key];
BitmapHelper.RenderTexture(canvas, info.Bitmap, (int)Math.Round(x), (int)Math.Round(y),
offsetX: (float)style.Offset.X, offsetY: (float)-style.Offset.Y,
horizontalAlignment: style.HorizontalAlignment, verticalAlignment: style.VerticalAlignment);
}
private static void DrawPointWithBitmapStyle(SKCanvas canvas, SymbolStyle symbolStyle, Point destination,
IDictionary <int, SKBitmapInfo> symbolBitmapCache)
{
var stream = BitmapRegistry.Instance.Get(symbolStyle.BitmapId);
stream.Position = 0;
SKBitmapInfo textureInfo;
if (!symbolBitmapCache.Keys.Contains(symbolStyle.BitmapId))
{
textureInfo = BitmapHelper.LoadTexture(BitmapRegistry.Instance.Get(symbolStyle.BitmapId));
symbolBitmapCache[symbolStyle.BitmapId] = textureInfo;
}
else
{
textureInfo = symbolBitmapCache[symbolStyle.BitmapId];
}
BitmapHelper.RenderTexture(canvas, textureInfo.Bitmap,
(float)destination.X, (float)destination.Y,
(float)symbolStyle.SymbolRotation,
(float)symbolStyle.SymbolOffset.X, (float)symbolStyle.SymbolOffset.Y,
opacity: (float)symbolStyle.Opacity, scale: (float)symbolStyle.SymbolScale);
}