protected override bool BeginRenderOpacityBrushOverride(Texture tex, RenderContext renderContext)
{
if (_gradientBrushTexture == null || _refresh)
{
_gradientBrushTexture = BrushCache.Instance.GetGradientBrush(GradientStops);
if (_gradientBrushTexture == null)
{
return(false);
}
}
Matrix finalTransform = renderContext.Transform.Clone();
if (_refresh)
{
_refresh = false;
_effect = ContentManager.Instance.GetEffect(EFFECT_LINEAROPACITYGRADIENT);
g_startpoint = new float[] { StartPoint.X, StartPoint.Y };
g_endpoint = new float[] { EndPoint.X, EndPoint.Y };
if (MappingMode == BrushMappingMode.Absolute)
{
g_startpoint[0] /= _vertsBounds.Width;
g_startpoint[1] /= _vertsBounds.Height;
g_endpoint[0] /= _vertsBounds.Width;
g_endpoint[1] /= _vertsBounds.Height;
}
g_framesize = new float[] { _vertsBounds.Width, _vertsBounds.Height };
if (RelativeTransform != null)
{
Matrix m = RelativeTransform.GetTransform();
m.Transform(ref g_startpoint[0], ref g_startpoint[1]);
m.Transform(ref g_endpoint[0], ref g_endpoint[1]);
}
}
SurfaceDescription desc = tex.GetLevelDescription(0);
float[] g_LowerVertsBounds = new float[] { _vertsBounds.Left / desc.Width, _vertsBounds.Top / desc.Height };
float[] g_UpperVertsBounds = new float[] { _vertsBounds.Right / desc.Width, _vertsBounds.Bottom / desc.Height };
_effect.Parameters[PARAM_TRANSFORM] = GetCachedFinalBrushTransform();
_effect.Parameters[PARAM_OPACITY] = (float)(Opacity * renderContext.Opacity);
_effect.Parameters[PARAM_STARTPOINT] = g_startpoint;
_effect.Parameters[PARAM_ENDPOINT] = g_endpoint;
_effect.Parameters[PARAM_FRAMESIZE] = g_framesize;
_effect.Parameters[PARAM_ALPHATEX] = _gradientBrushTexture.Texture;
_effect.Parameters[PARAM_UPPERVERTSBOUNDS] = g_UpperVertsBounds;
_effect.Parameters[PARAM_LOWERVERTSBOUNDS] = g_LowerVertsBounds;
GraphicsDevice.Device.SetSamplerState(0, SamplerState.AddressU, SpreadAddressMode);
_effect.StartRender(tex, finalTransform);
return(true);
}
protected override bool BeginRenderBrushOverride(PrimitiveBuffer primitiveContext, RenderContext renderContext)
{
if (_gradientBrushTexture == null || _refresh)
{
_gradientBrushTexture = BrushCache.Instance.GetGradientBrush(GradientStops);
if (_gradientBrushTexture == null)
{
return(false);
}
}
Matrix finalTransform = renderContext.Transform.Clone();
if (_refresh)
{
_refresh = false;
_effect = ContentManager.Instance.GetEffect(EFFECT_LINEARGRADIENT);
g_startpoint = new float[] { StartPoint.X, StartPoint.Y };
g_endpoint = new float[] { EndPoint.X, EndPoint.Y };
if (MappingMode == BrushMappingMode.Absolute)
{
g_startpoint[0] /= _vertsBounds.Width;
g_startpoint[1] /= _vertsBounds.Height;
g_endpoint[0] /= _vertsBounds.Width;
g_endpoint[1] /= _vertsBounds.Height;
}
g_framesize = new float[] { _vertsBounds.Width, _vertsBounds.Height };
if (RelativeTransform != null)
{
Matrix m = RelativeTransform.GetTransform();
m.Transform(ref g_startpoint[0], ref g_startpoint[1]);
m.Transform(ref g_endpoint[0], ref g_endpoint[1]);
}
}
_effect.Parameters[PARAM_FRAMESIZE] = g_framesize;
_effect.Parameters[PARAM_TRANSFORM] = GetCachedFinalBrushTransform();
_effect.Parameters[PARAM_OPACITY] = (float)(Opacity * renderContext.Opacity);
_effect.Parameters[PARAM_STARTPOINT] = g_startpoint;
_effect.Parameters[PARAM_ENDPOINT] = g_endpoint;
GraphicsDevice.Device.SetSamplerState(0, SamplerState.AddressU, SpreadAddressMode);
_effect.StartRender(_gradientBrushTexture.Texture, finalTransform);
return(true);
}
protected void RefreshEffectParameters()
{
float w = _vertsBounds.Width;
float h = _vertsBounds.Height;
Vector2 maxuv = TextureMaxUV;
Vector4 brushRect = ViewPort;
// Determine image rect in viewport space
if (Stretch != Stretch.Fill)
{
// Convert brush dimensions to viewport space
Vector2 brushSize = BrushDimensions;
brushSize.X /= w;
brushSize.Y /= h;
switch (Stretch)
{
case Stretch.None:
// Center (or alignment), original size
break;
case Stretch.Uniform:
// Center (or alignment), keep aspect ratio and show borders
{
float ratio = Math.Min(ViewPort.Z / brushSize.X, ViewPort.W / brushSize.Y);
brushSize.X *= ratio;
brushSize.Y *= ratio;
}
break;
case Stretch.UniformToFill:
// Center (or alignment), keep aspect ratio, zoom in to avoid borders
{
float ratio = Math.Max(ViewPort.Z / brushSize.X, ViewPort.W / brushSize.Y);
brushSize.X *= ratio;
brushSize.Y *= ratio;
}
break;
}
// Align brush in viewport
brushRect = AlignBrushInViewport(brushSize);
}
// Compensate for any texture borders
brushRect.Z /= maxuv.X;
brushRect.W /= maxuv.Y;
float repeatx = 1.0f / brushRect.Z;
float repeaty = 1.0f / brushRect.W;
// Transform ViewPort into Texture-space and store for later use in tiling
_textureViewport = new Vector4
{
X = ViewPort.X * repeatx - brushRect.X * repeatx,
Y = ViewPort.Y * repeaty - brushRect.Y * repeaty,
Z = ViewPort.Z * repeatx,
W = ViewPort.W * repeaty
};
// This structure is used for modifying vertex texture coords to position the brush texture
_brushTransform = new Vector4(brushRect.X * repeatx, brushRect.Y * repeaty, repeatx, repeaty);
_relativeTransformCache = RelativeTransform == null ? Matrix.Identity : Matrix.Invert(RelativeTransform.GetTransform());
// Determine if we can use the simpler, more optimised effects
if (Tile == TileMode.None && Stretch != Stretch.UniformToFill)
{
_simplemode = true;
}
else if (ViewPort.X <= 0.0f && ViewPort.Z >= 1.0f && ViewPort.Y <= 0.0f && ViewPort.W >= 1.0f)
{
_simplemode = true;
}
else
{
_simplemode = false;
}
}
protected override bool BeginRenderBrushOverride(PrimitiveBuffer primitiveContext, RenderContext renderContext)
{
if (_gradientBrushTexture == null || _refresh)
{
_gradientBrushTexture = BrushCache.Instance.GetGradientBrush(GradientStops);
if (_gradientBrushTexture == null)
{
return(false);
}
}
Matrix finalTransform = renderContext.Transform.Clone();
if (_refresh)
{
_refresh = false;
_gradientBrushTexture = BrushCache.Instance.GetGradientBrush(GradientStops);
_effect = ContentManager.Instance.GetEffect("radialgradient");
g_focus = new float[] { GradientOrigin.X, GradientOrigin.Y };
g_center = new float[] { Center.X, Center.Y };
g_radius = new float[] { (float)RadiusX, (float)RadiusY };
if (MappingMode == BrushMappingMode.Absolute)
{
g_focus[0] /= _vertsBounds.Width;
g_focus[1] /= _vertsBounds.Height;
g_center[0] /= _vertsBounds.Width;
g_center[1] /= _vertsBounds.Height;
g_radius[0] /= _vertsBounds.Width;
g_radius[1] /= _vertsBounds.Height;
}
g_relativetransform = RelativeTransform == null ? Matrix.Identity : Matrix.Invert(RelativeTransform.GetTransform());
}
_effect.Parameters[PARAM_RELATIVE_TRANSFORM] = g_relativetransform;
_effect.Parameters[PARAM_TRANSFORM] = GetCachedFinalBrushTransform();
_effect.Parameters[PARAM_FOCUS] = g_focus;
_effect.Parameters[PARAM_CENTER] = g_center;
_effect.Parameters[PARAM_RADIUS] = g_radius;
_effect.Parameters[PARAM_OPACITY] = (float)(Opacity * renderContext.Opacity);
GraphicsDevice.Device.SetSamplerState(0, SamplerState.AddressU, SpreadAddressMode);
_effect.StartRender(_gradientBrushTexture.Texture, finalTransform);
return(true);
}
protected override bool BeginRenderOpacityBrushOverride(Texture tex, RenderContext renderContext)
{
if (_gradientBrushTexture == null || _refresh)
{
_gradientBrushTexture = BrushCache.Instance.GetGradientBrush(GradientStops);
if (_gradientBrushTexture == null)
{
return(false);
}
}
Matrix finalTransform = renderContext.Transform.Clone();
if (_refresh)
{
_refresh = false;
_gradientBrushTexture = BrushCache.Instance.GetGradientBrush(GradientStops);
_effect = ContentManager.Instance.GetEffect(EFFECT_RADIALOPACITYGRADIENT);
g_focus = new float[] { GradientOrigin.X, GradientOrigin.Y };
g_center = new float[] { Center.X, Center.Y };
g_radius = new float[] { (float)RadiusX, (float)RadiusY };
if (MappingMode == BrushMappingMode.Absolute)
{
g_focus[0] /= _vertsBounds.Width;
g_focus[1] /= _vertsBounds.Height;
g_center[0] /= _vertsBounds.Width;
g_center[1] /= _vertsBounds.Height;
g_radius[0] /= _vertsBounds.Width;
g_radius[1] /= _vertsBounds.Height;
}
g_relativetransform = RelativeTransform == null ? Matrix.Identity : Matrix.Invert(RelativeTransform.GetTransform());
}
SurfaceDescription desc = tex.GetLevelDescription(0);
float[] g_LowerVertsBounds = new float[] { _vertsBounds.Left / desc.Width, _vertsBounds.Top / desc.Height };
float[] g_UpperVertsBounds = new float[] { _vertsBounds.Right / desc.Width, _vertsBounds.Bottom / desc.Height };
_effect.Parameters[PARAM_RELATIVE_TRANSFORM] = g_relativetransform;
_effect.Parameters[PARAM_TRANSFORM] = GetCachedFinalBrushTransform();
_effect.Parameters[PARAM_FOCUS] = g_focus;
_effect.Parameters[PARAM_CENTER] = g_center;
_effect.Parameters[PARAM_RADIUS] = g_radius;
_effect.Parameters[PARAM_OPACITY] = (float)(Opacity * renderContext.Opacity);
_effect.Parameters[PARAM_ALPHATEX] = _gradientBrushTexture.Texture;
_effect.Parameters[PARAM_UPPERVERTSBOUNDS] = g_UpperVertsBounds;
_effect.Parameters[PARAM_LOWERVERTSBOUNDS] = g_LowerVertsBounds;
GraphicsDevice.Device.SetSamplerState(0, SamplerState.AddressU, SpreadAddressMode);
_effect.StartRender(tex, finalTransform);
return(true);
}
