private void drawCorners(SliceValues border, SliceValues slice, SliceValues width)
{
var topLeftQuad = new AGSBoundingBox(new Vector2(border.Left.Value, border.Top.Value - width.Top.Value),
new Vector2(border.Left.Value + width.Top.Value, border.Top.Value - width.Top.Value),
new Vector2(border.Left.Value, border.Top.Value), new Vector2(border.Left.Value + width.Top.Value, border.Top.Value));
var topRightQuad = new AGSBoundingBox(new Vector2(border.Right.Value - width.Right.Value, border.Top.Value - width.Top.Value),
new Vector2(border.Right.Value, border.Top.Value - width.Top.Value),
new Vector2(border.Right.Value - width.Right.Value, border.Top.Value), new Vector2(border.Right.Value, border.Top.Value));
var bottomLeftQuad = new AGSBoundingBox(new Vector2(border.Left.Value, border.Bottom.Value),
new Vector2(border.Left.Value + width.Top.Value, border.Bottom.Value), new Vector2(border.Left.Value, border.Bottom.Value + width.Bottom.Value),
new Vector2(border.Left.Value + width.Top.Value, border.Bottom.Value + width.Bottom.Value));
var bottomRightQuad = new AGSBoundingBox(new Vector2(border.Right.Value - width.Right.Value, border.Bottom.Value),
new Vector2(border.Right.Value, border.Bottom.Value), new Vector2(border.Right.Value - width.Right.Value, border.Bottom.Value + width.Bottom.Value),
new Vector2(border.Right.Value, border.Bottom.Value + width.Bottom.Value));
drawQuad(topLeftQuad, new FourCorners <Vector2> (new Vector2(0f, 1f - slice.Top.Value), new Vector2(slice.Left.Value, 1f - slice.Top.Value),
new Vector2(0f, 1f), new Vector2(slice.Left.Value, 1f)));
drawQuad(topRightQuad, new FourCorners <Vector2> (new Vector2(1f - slice.Right.Value, 1f - slice.Top.Value), new Vector2(1f, 1f - slice.Top.Value),
new Vector2(1f - slice.Right.Value, 1f), new Vector2(1f, 1f)));
drawQuad(bottomLeftQuad, new FourCorners <Vector2> (new Vector2(0f, 0f), new Vector2(slice.Left.Value, 0f),
new Vector2(0f, slice.Bottom.Value), new Vector2(slice.Left.Value, slice.Bottom.Value)));
drawQuad(bottomRightQuad, new FourCorners <Vector2> (new Vector2(1f - slice.Right.Value, 0f), new Vector2(1f, 0f),
new Vector2(1f - slice.Right.Value, slice.Bottom.Value), new Vector2(1f, slice.Bottom.Value)));
}
private void drawBorders(AGSBoundingBox square)
{
var slice = Slice.ToPercentage(_width, _height);
var width = Width.ToPixels(_width, _height);
var outset = Outset.ToPixels(_width, _height);
float farLeft = square.TopLeft.X - outset.Left.Value;
float farRight = square.TopRight.X + outset.Right.Value;
float farTop = square.TopLeft.Y + outset.Top.Value;
float farBottom = square.BottomLeft.Y - outset.Bottom.Value;
SliceValues border = new SliceValues(SliceMeasurement.Pixels, farLeft, farRight, farTop, farBottom);
drawCorners(border, slice, width);
switch (Repeat)
{
case BorderRepeat.Repeat:
case BorderRepeat.Round:
case BorderRepeat.Space:
drawEdges(border, slice, width, Repeat);
break;
case BorderRepeat.Stretch:
drawStretch(border, slice, width);
break;
default:
throw new NotSupportedException(Repeat.ToString());
}
}
public AGSSlicedImageBorder(SliceValues slice, SliceValues width, SliceValues outset, BorderRepeat repeat, [MethodParam(Browsable = false, DefaultProvider = nameof(GetDefaultGLUtils))] IGLUtils glUtils)
: this(glUtils)
{
Slice = slice;
Width = width;
Outset = outset;
Repeat = repeat;
}
private void drawStretch(SliceValues border, SliceValues slice, SliceValues width)
{
var topQuad = new AGSSquare(new PointF(border.Left.Value + width.Left.Value, border.Top.Value - width.Top.Value),
new PointF(border.Right.Value - width.Right.Value, border.Top.Value - width.Top.Value),
new PointF(border.Left.Value + width.Left.Value, border.Top.Value),
new PointF(border.Right.Value - width.Right.Value, border.Top.Value));
var bottomQuad = new AGSSquare(new PointF(border.Left.Value + width.Left.Value, border.Bottom.Value),
new PointF(border.Right.Value - width.Right.Value, border.Bottom.Value),
new PointF(border.Left.Value + width.Left.Value, border.Bottom.Value + width.Bottom.Value),
new PointF(border.Right.Value - width.Right.Value, border.Bottom.Value + width.Bottom.Value));
var leftQuad = new AGSSquare(new PointF(border.Left.Value, border.Bottom.Value + width.Bottom.Value),
new PointF(border.Left.Value + width.Left.Value, border.Bottom.Value + width.Bottom.Value),
new PointF(border.Left.Value, border.Top.Value - width.Top.Value),
new PointF(border.Left.Value + width.Left.Value, border.Top.Value - width.Top.Value));
var rightQuad = new AGSSquare(new PointF(border.Right.Value - width.Right.Value, border.Bottom.Value + width.Bottom.Value),
new PointF(border.Right.Value, border.Bottom.Value + width.Bottom.Value),
new PointF(border.Right.Value - width.Right.Value, border.Top.Value - width.Top.Value),
new PointF(border.Right.Value, border.Top.Value - width.Top.Value));
drawQuad(topQuad, new FourCorners <Vector2> (new Vector2(slice.Left.Value, 1f - slice.Top.Value),
new Vector2(1f - slice.Right.Value, 1f - slice.Top.Value), new Vector2(slice.Left.Value, 1f),
new Vector2(1f - slice.Right.Value, 1f)));
drawQuad(bottomQuad, new FourCorners <Vector2> (new Vector2(slice.Left.Value, 0f),
new Vector2(1f - slice.Right.Value, 0f), new Vector2(slice.Left.Value, slice.Bottom.Value),
new Vector2(1f - slice.Right.Value, slice.Bottom.Value)));
drawQuad(leftQuad, new FourCorners <Vector2> (new Vector2(0f, slice.Bottom.Value),
new Vector2(slice.Left.Value, slice.Bottom.Value), new Vector2(0f, 1f - slice.Top.Value),
new Vector2(slice.Left.Value, 1f - slice.Top.Value)));
drawQuad(rightQuad, new FourCorners <Vector2> (new Vector2(1f - slice.Right.Value, slice.Bottom.Value),
new Vector2(1f, slice.Bottom.Value), new Vector2(1f - slice.Right.Value, 1f - slice.Top.Value),
new Vector2(1f, 1f - slice.Top.Value)));
}
private void drawEdges(SliceValues border, SliceValues slice, SliceValues width,
BorderRepeat repeat)
{
float leftX = border.Left.Value + width.Left.Value;
float rightX = border.Right.Value - width.Right.Value;
float rowWidth = rightX - leftX;
float textureWorldWidth = ((1f - slice.Left.Value - slice.Right.Value) * _width);
int stepsX = (int)(rowWidth / textureWorldWidth);
float remainderX = rowWidth - textureWorldWidth * stepsX;
float textureWidth = 1f - slice.Left.Value - slice.Right.Value;
if (textureWidth < 0f)
{
textureWidth = 1f;
}
float topY = border.Top.Value - width.Top.Value;
float farBottomY = border.Bottom.Value;
float stepX = textureWorldWidth;
float widthX = textureWorldWidth;
float startX = leftX;
if (remainderX > 0.001f)
{
switch (repeat)
{
case BorderRepeat.Round:
stepX = rowWidth / stepsX;
widthX = stepX;
break;
case BorderRepeat.Space:
stepX = rowWidth / stepsX;
startX = startX + (stepX - widthX) / 2f;
break;
}
}
drawHorizQuadRows(stepsX, startX, widthX, topY, farBottomY,
width.Top.Value, width.Bottom.Value, textureWidth,
slice.Top.Value, slice.Bottom.Value, slice.Left.Value, 1f - slice.Top.Value, 0f,
stepX);
float bottomY = border.Bottom.Value + width.Bottom.Value;
float rowHeight = topY - bottomY;
float textureWorldHeight = ((1f - slice.Top.Value - slice.Bottom.Value) * _height);
int stepsY = (int)(rowHeight / textureWorldHeight);
float textureHeight = 1f - slice.Top.Value - slice.Bottom.Value;
if (textureHeight < 0f)
{
textureHeight = 1f;
}
float remainderY = rowHeight - textureWorldHeight * stepsY;
float stepY = textureWorldHeight;
float heightY = textureWorldHeight;
float startY = bottomY;
if (remainderY > 0.001f)
{
switch (repeat)
{
case BorderRepeat.Round:
stepY = rowHeight / stepsY;
heightY = stepY;
break;
case BorderRepeat.Space:
stepY = rowHeight / stepsY;
startY = startY + (stepY - heightY) / 2f;
break;
}
}
drawVertQuadRows(stepsY, border.Left.Value, rightX, width.Left.Value, width.Right.Value,
startY, heightY, slice.Left.Value, slice.Right.Value, textureHeight, 0f, 1f - slice.Right.Value,
slice.Bottom.Value, stepY);
if (repeat == BorderRepeat.Repeat)
{
if (remainderX > 0.0001f)
{
textureWidth = (remainderX / textureWorldWidth) * textureWidth;
leftX = leftX + textureWorldWidth * stepsX;
drawHorizQuadRows(1, leftX, remainderX, topY, farBottomY, width.Top.Value, width.Bottom.Value, textureWidth,
slice.Top.Value, slice.Bottom.Value, slice.Left.Value, 1f - slice.Top.Value, 0f, remainderX);
}
if (remainderY > 0.001f)
{
textureHeight = (remainderY / textureWorldHeight) * textureHeight;
bottomY = bottomY + textureWorldHeight * stepsY;
drawVertQuadRows(1, border.Left.Value, rightX, width.Left.Value, width.Right.Value, bottomY, remainderY,
slice.Left.Value, slice.Right.Value, textureHeight, 0f, 1f - slice.Right.Value, slice.Bottom.Value, remainderY);
}
}
}
private void drawBorders(ISquare square)
{
var slice = Slice.ToPercentage(_width, _height);
var width = Width.ToPixels(_width, _height);
var outset = Outset.ToPixels(_width, _height);
float farLeft = square.TopLeft.X - outset.Left.Value;
float farRight = square.TopRight.X + outset.Right.Value;
float farTop = square.TopLeft.Y + outset.Top.Value;
float farBottom = square.BottomLeft.Y - outset.Bottom.Value;
SliceValues border = new SliceValues (SliceMeasurement.Pixels, farLeft, farRight, farTop, farBottom);
drawCorners(border, slice, width);
switch (Repeat)
{
case BorderRepeat.Repeat:
case BorderRepeat.Round:
case BorderRepeat.Space:
drawEdges(border, slice, width, Repeat);
break;
case BorderRepeat.Stretch:
drawStretch(border, slice, width);
break;
default:
throw new NotSupportedException (Repeat.ToString());
}
}
private void drawEdges(SliceValues border, SliceValues slice, SliceValues width,
BorderRepeat repeat)
{
float leftX = border.Left.Value + width.Left.Value;
float rightX = border.Right.Value - width.Right.Value;
float rowWidth = rightX - leftX;
float textureWorldWidth = ((1f - slice.Left.Value - slice.Right.Value) * _width);
int stepsX = (int)(rowWidth / textureWorldWidth);
float remainderX = rowWidth - textureWorldWidth * ((float)stepsX);
float textureWidth = 1f - slice.Left.Value - slice.Right.Value;
if (textureWidth < 0f) textureWidth = 1f;
float topY = border.Top.Value - width.Top.Value;
float farBottomY = border.Bottom.Value;
float stepX = textureWorldWidth;
float widthX = textureWorldWidth;
float startX = leftX;
if (remainderX > 0.001f)
{
switch (repeat)
{
case BorderRepeat.Round:
stepX = rowWidth / stepsX;
widthX = stepX;
break;
case BorderRepeat.Space:
stepX = rowWidth / stepsX;
startX = startX + (stepX - widthX) / 2f;
break;
}
}
drawHorizQuadRows(stepsX, startX, widthX, topY, farBottomY,
width.Top.Value, width.Bottom.Value, textureWidth,
slice.Top.Value, slice.Bottom.Value, slice.Left.Value, 1f - slice.Top.Value, 0f,
stepX);
float bottomY = border.Bottom.Value + width.Bottom.Value;
float rowHeight = topY - bottomY;
float textureWorldHeight = ((1f - slice.Top.Value - slice.Bottom.Value) * _height);
int stepsY = (int)(rowHeight / textureWorldHeight);
float textureHeight = 1f - slice.Top.Value - slice.Bottom.Value;
if (textureHeight < 0f) textureHeight = 1f;
float remainderY = rowHeight - textureWorldHeight * ((float)stepsY);
float stepY = textureWorldHeight;
float heightY = textureWorldHeight;
float startY = bottomY;
if (remainderY > 0.001f)
{
switch (repeat)
{
case BorderRepeat.Round:
stepY = rowHeight / stepsY;
heightY = stepY;
break;
case BorderRepeat.Space:
stepY = rowHeight / stepsY;
startY = startY + (stepY - heightY) / 2f;
break;
}
}
drawVertQuadRows(stepsY, border.Left.Value, rightX, width.Left.Value, width.Right.Value,
startY, heightY, slice.Left.Value, slice.Right.Value, textureHeight, 0f, 1f - slice.Right.Value,
slice.Bottom.Value, stepY);
if (repeat == BorderRepeat.Repeat)
{
if (remainderX > 0.0001f)
{
textureWidth = (remainderX / textureWorldWidth) * textureWidth;
leftX = leftX + textureWorldWidth * stepsX;
drawHorizQuadRows(1, leftX, remainderX, topY, farBottomY, width.Top.Value, width.Bottom.Value, textureWidth,
slice.Top.Value, slice.Bottom.Value, slice.Left.Value, 1f - slice.Top.Value, 0f, remainderX);
}
if (remainderY > 0.001f)
{
textureHeight = (remainderY / textureWorldHeight) * textureHeight;
bottomY = bottomY + textureWorldHeight * stepsY;
drawVertQuadRows(1, border.Left.Value, rightX, width.Left.Value, width.Right.Value, bottomY, remainderY,
slice.Left.Value, slice.Right.Value, textureHeight, 0f, 1f - slice.Right.Value, slice.Bottom.Value, remainderY);
}
}
}
private void drawStretch(SliceValues border, SliceValues slice, SliceValues width)
{
var topQuad = new AGSSquare (new PointF (border.Left.Value + width.Left.Value, border.Top.Value - width.Top.Value),
new PointF (border.Right.Value - width.Right.Value, border.Top.Value - width.Top.Value),
new PointF (border.Left.Value + width.Left.Value, border.Top.Value),
new PointF (border.Right.Value - width.Right.Value, border.Top.Value));
var bottomQuad = new AGSSquare (new PointF (border.Left.Value + width.Left.Value, border.Bottom.Value),
new PointF (border.Right.Value - width.Right.Value, border.Bottom.Value),
new PointF (border.Left.Value + width.Left.Value, border.Bottom.Value + width.Bottom.Value),
new PointF (border.Right.Value - width.Right.Value, border.Bottom.Value + width.Bottom.Value));
var leftQuad = new AGSSquare (new PointF (border.Left.Value, border.Bottom.Value + width.Bottom.Value),
new PointF (border.Left.Value + width.Left.Value, border.Bottom.Value + width.Bottom.Value),
new PointF (border.Left.Value, border.Top.Value - width.Top.Value),
new PointF (border.Left.Value + width.Left.Value, border.Top.Value - width.Top.Value));
var rightQuad = new AGSSquare (new PointF (border.Right.Value - width.Right.Value, border.Bottom.Value + width.Bottom.Value),
new PointF (border.Right.Value, border.Bottom.Value + width.Bottom.Value),
new PointF (border.Right.Value - width.Right.Value, border.Top.Value - width.Top.Value),
new PointF (border.Right.Value, border.Top.Value - width.Top.Value));
drawQuad(topQuad, new FourCorners<Vector2> (new Vector2 (slice.Left.Value, 1f - slice.Top.Value),
new Vector2 (1f - slice.Right.Value, 1f - slice.Top.Value), new Vector2 (slice.Left.Value, 1f),
new Vector2 (1f - slice.Right.Value, 1f)));
drawQuad(bottomQuad, new FourCorners<Vector2> (new Vector2 (slice.Left.Value, 0f),
new Vector2 (1f - slice.Right.Value, 0f), new Vector2 (slice.Left.Value, slice.Bottom.Value),
new Vector2 (1f - slice.Right.Value, slice.Bottom.Value)));
drawQuad(leftQuad, new FourCorners<Vector2> (new Vector2 (0f, slice.Bottom.Value),
new Vector2 (slice.Left.Value, slice.Bottom.Value), new Vector2 (0f, 1f - slice.Top.Value),
new Vector2 (slice.Left.Value, 1f - slice.Top.Value)));
drawQuad(rightQuad, new FourCorners<Vector2> (new Vector2 (1f - slice.Right.Value, slice.Bottom.Value),
new Vector2 (1f, slice.Bottom.Value), new Vector2 (1f - slice.Right.Value, 1f - slice.Top.Value),
new Vector2 (1f, 1f - slice.Top.Value)));
}