protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
//draw line
//we can use vxs/path to render a complex line part
//this render element dose not have child node, so
//if WaitForStartRenderElement == true,
//then we skip rendering its content
//else if this renderElement has more child, we need to walk down)
if (WaitForStartRenderElement)
{
return;
}
if (_stroke != null)
{
using (d.SetSmoothMode(SmoothingMode.AntiAlias))
{
d.DrawRenderVx(_stroke, X0, Y0);//?
}
}
else
{
using (d.SaveStroke())
using (d.SetSmoothMode(SmoothingMode.AntiAlias))
{
d.StrokeWidth = 3;
d.DrawLine(X0, Y0, X1, Y1);
}
}
}
public void Render(DrawBoard d, UpdateArea updateArea)
{
LinkedListNode <RenderElement> node = _linkList.First;
Rectangle backup = updateArea.CurrentRect;
int enter_canvas_x = d.OriginX;
int enter_canvas_y = d.OriginY;
while (node != null)
{
//---------------------------
//TODO: review here again
RenderElement renderE = node.Value;
if (renderE.IntersectsWith(updateArea))
{
int x = renderE.X;
int y = renderE.Y;
d.SetCanvasOrigin(enter_canvas_x + x, enter_canvas_y + y);
updateArea.Offset(-x, -y);
RenderElement.Render(renderE, d, updateArea);
updateArea.Offset(x, y);
}
node = node.Next;
}
updateArea.CurrentRect = backup; //restore
d.SetCanvasOrigin(enter_canvas_x, enter_canvas_y); //restore
}
public void dbugShowRenderPart(DrawBoard d, UpdateArea updateArea)
{
RootGraphic visualroot = this.dbugVRoot;
if (visualroot.dbug_ShowRootUpdateArea)
{
d.FillRectangle(Color.FromArgb(50, Color.Black),
updateArea.Left, updateArea.Top,
updateArea.Width - 1, updateArea.Height - 1);
d.FillRectangle(Color.White,
updateArea.Left, updateArea.Top, 5, 5);
d.DrawRectangle(Color.Yellow,
updateArea.Left, updateArea.Top,
updateArea.Width - 1, updateArea.Height - 1);
Color c_color = d.CurrentTextColor;
d.CurrentTextColor = Color.White;
d.DrawText(visualroot.dbug_RootUpdateCounter.ToString().ToCharArray(), updateArea.Left, updateArea.Top);
if (updateArea.Height > 25)
{
d.DrawText(visualroot.dbug_RootUpdateCounter.ToString().ToCharArray(), updateArea.Left, updateArea.Top + (updateArea.Height - 20));
}
d.CurrentTextColor = c_color;
visualroot.dbug_RootUpdateCounter++;
}
}
static void UpdateInvalidArea(GdiPlusDrawBoard d, IRenderElement rootElement)
{
int enter_canvasX = d.OriginX;
int enter_canvasY = d.OriginY;
d.SetCanvasOrigin(enter_canvasX - d.Left, enter_canvasY - d.Top);
UpdateArea u = GetFreeUpdateArea();
u.CurrentRect = d.InvalidateArea;
if (u.Width > 0 && u.Height > 0)
{
rootElement.Render(d, u);
#if DEBUG
rootElement.dbugShowRenderPart(d, u);
#endif
}
else
{
}
d.IsContentReady = true;
d.SetCanvasOrigin(enter_canvasX, enter_canvasY);//restore
ReleaseUpdateArea(u);
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
if (_needUpdate)
{
//default bg => transparent !,
//gfx2d.Clear(ColorRGBA.White);//if want opaque bg
//ReleaseUnmanagedResources();
//if (bmp != null)
//{
// bmp.Dispose();
//}
_bmp = _memBmp;// new Bitmap(this.Width, this.Height, this.actualImage.GetBuffer(), false);
// canvas.Platform.CreatePlatformBitmap(this.Width, this.Height, this.actualImage.GetBuffer(), false);
Image.ClearCache(_bmp);
_needUpdate = false;
}
//canvas.FillRectangle(this.BackColor, 0, 0, this.Width, this.Height);
if (_bmp != null)
{
d.DrawImage(_bmp, new RectangleF(0, 0, this.Width, this.Height));
}
//---------------------
#if DEBUG
//canvasPage.dbug_DrawCrossRect(PixelFarm.Drawing.Color.Black,
// new Rectangle(0, 0, this.Width, this.Height));
#endif
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
using (Tools.More.BorrowVgPaintArgs(d.GetPainter(), out var paintArgs))
{
_renderVx.Paint(paintArgs);
}
//d.FillRectangle(Color.Blue, 0, 0, 50, 50);
}
public void UpdateArea(UpdateArea update)
{
Area area = _areaRepo.GetAll().Where(a => a.AreaNumber == update.AreaNumber).FirstOrDefault();
area.Amount = update.Amount;
_areaRepo.Update(area);
_areaRepo.SaveChanges();
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
//****
//because our demo may run the 'manual GL code',
//(out of state-control of the shader share resource/ current program/ render tree/
//***
_painter.DetachCurrentShader();
_demo.Draw(_painter);
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
//this render element dose not have child node, so
//if WaitForStartRenderElement == true,
//then we skip rendering its content
//else if this renderElement has more child, we need to walk down)
if (WaitForStartRenderElement)
{
return;
}
if (ImageBinder == null)
{
return;
}
//----------------------------------
switch (ImageBinder.State)
{
case BinderState.Loaded:
{
d.FillRectangle(this.BackColor, 0, 0, this.Width, this.Height);
d.DrawImage(ImageBinder,
new RectangleF(
ContentLeft, ContentTop,
ContentWidth,
ContentHeight));
}
break;
case BinderState.Unload:
{
//wait next round ...
if (ImageBinder.HasLazyFunc)
{
ImageBinder.LazyLoadImage();
}
else if (ImageBinder is AtlasImageBinder)
{
//resolve this and draw
d.DrawImage(ImageBinder,
new RectangleF(
ContentLeft, ContentTop,
ContentWidth,
ContentHeight));
}
}
break;
}
#if DEBUG
//canvasPage.dbug_DrawCrossRect(PixelFarm.Drawing.Color.Black,
// new Rectangle(0, 0, this.Width, this.Height));
#endif
}
public override void Draw(DrawBoard d, UpdateArea updateArea)
{
int bWidth = this.Width;
int bHeight = this.Height;
#if DEBUG
//canvas.dbug_DrawCrossRect(Color.Red, new Rectangle(0, 0, bWidth, bHeight));
//canvas.DrawRectangle(Color.Red, 0, 0, bWidth, bHeight);
#endif
RunStyle style = this.RunStyle;//must
//set style to the canvas
switch (EvaluateFontAndTextColor(d, style))
{
case DIFF_FONT_DIFF_TEXT_COLOR:
{
RequestFont prevFont = d.CurrentFont;
Color prevColor = d.CurrentTextColor;
d.CurrentFont = style.ReqFont;
d.CurrentTextColor = style.FontColor;
DrawText(d);
d.CurrentFont = prevFont;
d.CurrentTextColor = prevColor;
}
break;
case DIFF_FONT_SAME_TEXT_COLOR:
{
RequestFont prevFont = d.CurrentFont;
d.CurrentFont = style.ReqFont;
DrawText(d);
d.CurrentFont = prevFont;
}
break;
case SAME_FONT_DIFF_TEXT_COLOR:
{
Color prevColor = d.CurrentTextColor;
d.CurrentTextColor = style.FontColor;
DrawText(d);
d.CurrentTextColor = prevColor;
}
break;
default:
{
DrawText(d);
}
break;
}
}
public object Put(UpdateArea request)
{
var entity = request.ConvertTo <Area>();
return(InTransaction(db =>
{
Logic.Update(entity);
return new CommonResponse(Logic.GetById(entity.Id));
}));
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
//1. save canvas origin, (don't forget to restore this)
int enter_canvas_x = d.OriginX;
int enter_canvas_y = d.OriginY;
//d.FillRectangle(Color.FromArgb(100, Color.Yellow),
// _approxRectBounds.Left,
// _approxRectBounds.Top,
// _approxRectBounds.Width,
// _approxRectBounds.Height);
foreach (CustomRenderBox renderE in _controlPoints)
{
int x = renderE.X;
int y = renderE.Y;
//2. set canvas origin
d.SetCanvasOrigin(enter_canvas_x + x, enter_canvas_y + y);
//3. offset update area (see opposite direction)
updateArea.Offset(-x, -y);
//4.
RenderElement.Render(renderE, d, updateArea);
//5. restore only update area back
updateArea.Offset(x, y);
}
//restore enter canvas x, y
d.SetCanvasOrigin(enter_canvas_x, enter_canvas_y);
////lets draw lines that link control points
int j = _controlPoints.Count;
float strokeW = d.StrokeWidth;
Color strokeColor = d.StrokeColor;
d.StrokeWidth = 2;
d.StrokeColor = Color.Black;
for (int i = 1; i < j; ++i)
{
CustomRenderBox b_0 = _controlPoints[i - 1];
CustomRenderBox b_1 = _controlPoints[i];
d.DrawLine(b_0.X, b_0.Y, b_1.X, b_1.Y);
}
{
CustomRenderBox b_0 = _controlPoints[j - 1];
CustomRenderBox b_1 = _controlPoints[0];
d.DrawLine(b_0.X, b_0.Y, b_1.X, b_1.Y);
}
//and the last one
d.StrokeColor = strokeColor;
d.StrokeWidth = strokeW;
}
protected override RootGraphic Root => _rootGfx; //***
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
//TODO: implement FillRect() with no blending ... , or FastClear()
if (!WaitForStartRenderElement)
{
//just clear with white?
d.FillRectangle(Color.White, 0, 0, this.Width, this.Height);
d.TextBackgroundColorHint = Color.White;
}
base.RenderClientContent(d, updateArea);
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
base.RenderClientContent(d, updateArea);
//4. caret
if (RenderCaret && _stateShowCaret && _isEditable)
{
d.SetClipRect(new Rectangle(0, 0, this.Width, this.Height));
Point textManCaretPos = _editSession.CaretPos;
_myCaret.DrawCaret(d, textManCaretPos.X, textManCaretPos.Y);
}
}
/// <summary>
/// Draw the background image of the given box in the given rectangle.<br/>
/// Handle background-repeat and background-position values.
/// </summary>
/// <param name="drawboard">the device to draw into</param>
/// <param name="box">the box to draw its background image</param>
/// <param name="imageLoadHandler">the handler that loads image to draw</param>
/// <param name="rectangle">the rectangle to draw image in</param>
public static void DrawBackgroundImage(DrawBoard drawboard, CssBox box, ImageBinder imageBinder, RectangleF rectangle)
{
Image image = imageBinder.LocalImage;
//temporary comment image scale code
Size imgSize = new Size(image.Width, image.Height);
//new Size(imageLoadHandler.Rectangle == Rectangle.Empty ? imageLoadHandler.Image.Width : imageLoadHandler.Rectangle.Width,
// imageLoadHandler.Rectangle == Rectangle.Empty ? imageLoadHandler.Image.Height : imageLoadHandler.Rectangle.Height);
// get the location by BackgroundPosition value
Point location = GetLocation(box.BackgroundPositionX, box.BackgroundPositionY, rectangle, imgSize);
//var srcRect = imageLoadHandler.Rectangle == Rectangle.Empty
// ? new Rectangle(0, 0, imgSize.Width, imgSize.Height)
// : new Rectangle(imageLoadHandler.Rectangle.Left, imageLoadHandler.Rectangle.Top, imgSize.Width, imgSize.Height);
var srcRect = new Rectangle(0, 0, image.Width, image.Height);
// initial image destination rectangle
var destRect = new Rectangle(location, imgSize);
// need to clip so repeated image will be cut on rectangle
//Rectangle prevClip = drawboard.CurrentClipRect;
//TODO: use u1 from pool
UpdateArea u1 = new UpdateArea();
u1.CurrentRect = drawboard.CurrentClipRect;
if (drawboard.PushClipAreaRect((int)rectangle.Left,
(int)rectangle.Top,
(int)rectangle.Width,
(int)rectangle.Height,
u1))
{
switch (box.BackgroundRepeat)
{
case CssBackgroundRepeat.NoRepeat:
drawboard.DrawImage(image, new RectangleF(location, imgSize), new RectangleF(0, 0, image.Width, image.Height));
break;
case CssBackgroundRepeat.RepeatX:
DrawRepeatX(drawboard, image, rectangle, srcRect, destRect, imgSize);
break;
case CssBackgroundRepeat.RepeatY:
DrawRepeatY(drawboard, image, rectangle, srcRect, destRect, imgSize);
break;
default:
DrawRepeat(drawboard, image, rectangle, srcRect, destRect, imgSize);
break;
}
drawboard.PopClipAreaRect();
}
}
private void barUpdate_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
GridView gridView = grcArea.FocusedView as GridView; // ép Gridcontrol về GridView
AreaDTO area = new AreaDTO();
area.iMaKV = (string)gridView.GetRowCellValue(gridView.FocusedRowHandle, "iMaKV"); // lấy dữ liêuj
area.iTenKV = (string)gridView.GetRowCellValue(gridView.FocusedRowHandle, "iTenKV");
area.iGhiChu = (string)gridView.GetRowCellValue(gridView.FocusedRowHandle, "iGhiChu");
area.iActive = (bool)gridView.GetRowCellValue(gridView.FocusedRowHandle, "iActive");
var frmUpdate = new UpdateArea(area);
frmUpdate.ShowDialog();
loadArea();
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
//
//TODO: review here again
//in pure agg, we could bypass the cache/resolve process
//and render directly to the target canvas
//
//if img changed then clear cache and render again
MemBitmap.ClearCache(_memBmp);
MemBitmap.SetCacheInnerImage(_memBmp, _nativeWin32DC, false);//** set to false because the (life-time) owner of the dc is this class (not the memBmp)
_demo.Draw(_painter);
//copy from actual image and paint to canvas
d.DrawImage(_memBmp, 0, 0);
}
public async Task <IActionResult> SaveUpdateArea(UpdateArea updateArea)
{
try
{
if (ModelState.IsValid)
{
await _areaRepository.UpdateArea(_mapper.Map <Area>(updateArea));
return(RedirectToAction(nameof(Index)));
}
} catch (Exception)
{
return(BadRequest());
}
return(View("EditArea", updateArea));
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
//canvas here should be glcanvas
//TODO:
//1. if the content of glBmp is not changed
//we should not render again
//2. if we only update some part of texture
//may can transfer only that part to the glBmp
//-------------------------------------------------------------------------
if (GlobalRootGraphic.CurrentRootGfx.HasRenderTreeInvalidateAccumRect)
{
//update cpu surface part***
DrawBoard board = _glesUIElem.GetDrawBoard();
if (board != null)
{
board.SetClipRect(updateArea.CurrentRect);
board.Clear(Color.White); //clear background, clear with white solid
#if DEBUG
//_ui.dbugSaveAggBmp("a001.png");
#endif
}
if (_glesUIElem.HasCpuBlitUpdateSurfaceDel)
{
_glesUIElem.UpdateCpuBlitSurface(updateArea.CurrentRect);
}
}
_glBmp.UpdateTexture(updateArea.CurrentRect);
//-------------------------------------------------------------------------
d.DrawImage(_glBmp, 0, 0);
//test print text from our GLTextPrinter
//_glPainter.FillColor = PixelFarm.Drawing.Color.Black;
//_glPainter.DrawString("Hello2", 0, 400);
//-------------------------------------------------------------------------
}
public IApiResult Update(UpdateArea operation)
{
var result = operation.ExecuteAsync().Result;
if (result is ValidationsOutput)
{
return(new ApiResult <List <ValidationItem> >()
{
Data = ((ValidationsOutput)result).Errors
});
}
else
{
return(new ApiResult <object>()
{
Status = ApiResult <object> .ApiStatus.Success
});
}
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
if (_elements != null)
{
#if DEBUG
if (!debugBreaK1)
{
debugBreaK1 = true;
}
#endif
//***
RenderElemHelper.DrawChildContent(
ContentHitTestHint,
_elements.GetDrawingIter(),
d, updateArea);
}
}
//-------
static void UpdateAllArea(GdiPlusDrawBoard d, IRenderElement topWindowRenderBox)
{
int enter_canvasX = d.OriginX;
int enter_canvasY = d.OriginY;
d.SetCanvasOrigin(enter_canvasX - d.Left, enter_canvasY - d.Top);
UpdateArea u = GetFreeUpdateArea();
u.CurrentRect = d.Rect;
topWindowRenderBox.Render(d, u);
#if DEBUG
topWindowRenderBox.dbugShowRenderPart(d, u);
#endif
d.IsContentReady = true;
d.SetCanvasOrigin(enter_canvasX, enter_canvasY);//restore
ReleaseUpdateArea(u);
}
public override bool PushClipAreaRect(int width, int height, UpdateArea updateArea)
{
//TODO: review here
Rectangle intersectRect = Rectangle.Intersect(updateArea.CurrentRect, new Rectangle(0, 0, width, height));
if (intersectRect.Width <= 0 || intersectRect.Height <= 0)
{
return(false);
}
else
{
_clipRectStack.Push(_currentClipRect);
_currentClipRect = intersectRect;
updateArea.MakeBackup();
updateArea.CurrentRect = intersectRect; //*** update area is changed
_gpuPainter.SetClipBox(intersectRect.Left, intersectRect.Top, intersectRect.Right, intersectRect.Bottom);
return(true);
}
}
public static void DrawChildContent(HitTestHint hitTestHint, IEnumerable <RenderElement> drawingIter, DrawBoard d, UpdateArea updateArea)
{
int enter_canvas_x = d.OriginX;
int enter_canvas_y = d.OriginY;
switch (hitTestHint)
{
default:
{
foreach (RenderElement child in drawingIter)
{
if (child.IntersectsWith(updateArea) ||
!child.NeedClipArea)
{
//if the child not need clip
//its children (if exist) may intersect
int x = child.X;
int y = child.Y;
d.SetCanvasOrigin(enter_canvas_x + x, enter_canvas_y + y);
updateArea.Offset(-x, -y);
RenderElement.Render(child, d, updateArea);
updateArea.Offset(x, y);
}
}
//restore
d.SetCanvasOrigin(enter_canvas_x, enter_canvas_y);
}
break;
case HitTestHint.HorizontalRowNonOverlap:
{
bool found = false;
foreach (RenderElement child in drawingIter)
{
if (child.IntersectsWith(updateArea))
{
found = true;
//if the child not need clip
//its children (if exist) may intersect
int x = child.X;
int y = child.Y;
d.SetCanvasOrigin(enter_canvas_x + x, enter_canvas_y + y);
updateArea.Offset(-x, -y);
RenderElement.Render(child, d, updateArea);
updateArea.Offset(x, y);
}
else if (found)
{
break;
}
}
//restore
d.SetCanvasOrigin(enter_canvas_x, enter_canvas_y);
}
break;
case HitTestHint.VerticalColumnNonOverlap:
{
bool found = false;
foreach (RenderElement child in drawingIter)
{
if (child.IntersectsWith(updateArea))
{
found = true;
//if the child not need clip
//its children (if exist) may intersect
int x = child.X;
int y = child.Y;
d.SetCanvasOrigin(enter_canvas_x + x, enter_canvas_y + y);
updateArea.Offset(-x, -y);
RenderElement.Render(child, d, updateArea);
updateArea.Offset(x, y);
}
else if (found)
{
break;
}
}
d.SetCanvasOrigin(enter_canvas_x, enter_canvas_y);
}
break;
}
}
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
//TODO: review here,
if (_myHtmlVisualRoot == null)
{
return;
}
bool useBackbuffer = d.IsGpuDrawBoard;
//useBackbuffer = false;
//... TODO: review here, check doc update here?
_myHtmlVisualRoot.CheckDocUpdate();
if (useBackbuffer)
{
PaintVisitor painter = PaintVisitorStock.GetSharedPaintVisitor(_myHtmlVisualRoot, d);
if (_builtInBackBuffer == null)
{
_builtInBackBuffer = painter.CreateOffscreenDrawBoard(this.Width, this.Height);
}
#if DEBUG
painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
#endif
if (!_builtInBackBuffer.IsValid)
{
//painter.FillRectangle(Color.Red, 0, 0, 100, 100);//debug
//painter.DrawText(i.ToString().ToCharArray(), 0, 1, new PointF(0, 0), new SizeF(100, 100)); //debug
float backupViewportW = painter.ViewportWidth; //backup
float backupViewportH = painter.ViewportHeight; //backup
painter.EnterNewDrawboardBuffer(_builtInBackBuffer); //*** switch to builtInBackbuffer
painter.SetViewportSize(this.Width, this.Height);
if (!_hasAccumRect)
{
_invalidateRect = new Rectangle(0, 0, Width, Height);
}
#if DEBUG
//System.Diagnostics.Debug.WriteLine("inv_rect:" + _invalidateRect + "," + painter.ToString());
#endif
if (painter.PushLocalClipArea(
_invalidateRect.Left, _invalidateRect.Top,
_invalidateRect.Width, _invalidateRect.Height))
{
#if DEBUG
//for debug , test clear with random color
//another useful technique to see latest clear area frame-by-frame => use random color
//painter.Clear(ColorEx.dbugGetRandomColor());
painter.Clear(Color.White);
#else
painter.Clear(Color.White);
#endif
_myHtmlVisualRoot.PerformPaint(painter);
painter.PopLocalClipArea();
}
//
_builtInBackBuffer.IsValid = true;
_hasAccumRect = false;
painter.ExitCurrentDrawboardBuffer(); //*** switch back
painter.SetViewportSize(backupViewportW, backupViewportH); //restore viewport size
}
painter.DrawImage(_builtInBackBuffer.GetImage(), 0, 0, this.Width, this.Height);
PaintVisitorStock.ReleaseSharedPaintVisitor(painter);
}
#if DEBUG
else if (dbugPreferSoftwareRenderer && d.IsGpuDrawBoard)
{
//TODO: review this again ***
//test built-in 'shared' software rendering surface
DrawBoard cpuDrawBoard = null;
if ((cpuDrawBoard = d.GetCpuBlitDrawBoard()) != null)
{
cpuDrawBoard.Clear(Color.White);
PaintVisitor painter = PaintVisitorStock.GetSharedPaintVisitor(_myHtmlVisualRoot, cpuDrawBoard);
painter.SetViewportSize(this.Width, this.Height);
#if DEBUG
painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
#endif
_myHtmlVisualRoot.PerformPaint(painter);
PaintVisitorStock.ReleaseSharedPaintVisitor(painter);
//then copy from cpu to gpu
d.BlitFrom(cpuDrawBoard, X, Y, this.Width, this.Height, 0, 0);
}
}
#endif
else
{
PaintVisitor painter = PaintVisitorStock.GetSharedPaintVisitor(_myHtmlVisualRoot, d);
painter.SetViewportSize(this.Width, this.Height);
#if DEBUG
//System.Diagnostics.Debug.WriteLine(">> 500x500");
painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
//for debug , test clear with random color
//another useful technique to see latest clear area frame-by-frame => use random color
//painter.Clear(Color.FromArgb(255, dbugRandom.Next(0, 255), dbugRandom.Next(0, 255), dbugRandom.Next(0, 255)));
#endif
#if DEBUG
//System.Diagnostics.Debug.WriteLine("inv_rect:" + _invalidateRect + "," + painter.ToString());
#endif
//painter.SetClipRect(new Rectangle(0, 0, 200, 200));
_myHtmlVisualRoot.PerformPaint(painter);
#if DEBUG
//System.Diagnostics.Debug.WriteLine("<< 500x500");
//painter.dbugDrawDiagonalBox(Color.Blue, this.X, this.Y, this.Width, this.Height);
#endif
PaintVisitorStock.ReleaseSharedPaintVisitor(painter);
}
}
internal void DrawChildContentLcdEffectText(DrawBoard d, UpdateArea updateArea, VisualSelectionRange selRange)
{
List <TextLineBox> lines = _lines;
int renderAreaTop = updateArea.Top;
int renderAreaBottom = updateArea.Bottom;
bool foundFirstLine = false;
int j = lines.Count;
int enter_canvasX = d.OriginX;
int enter_canvasY = d.OriginY;
Rectangle currentClip = d.CurrentClipRect;
Color prev_colorHint = d.TextBackgroundColorHint;
for (int i = 0; i < j; ++i)
{
//draw textline, along with visual selection range
TextLineBox line = lines[i];
int linetop = line.Top;
if (!foundFirstLine)
{
if (linetop + line.ActualLineHeight < renderAreaTop)
{
continue;
}
else
{
foundFirstLine = true;
}
}
else
{
if (linetop > renderAreaBottom)
{
if (VisualLineOverlapped)
{
//more check
if (i < j - 1)
{
//check next line
TextLineBox lowerLine = lines[i + 1];
if (lowerLine.Top - lowerLine.OverlappedTop > linetop)
{
break;
}
}
}
else
{
break;
}
}
}
updateArea.OffsetY(-linetop); //offset
switch (selRange.GetLineClip(i, out int clipLeft, out int clipWidth))
{
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
_d = d;
base.RenderClientContent(d, updateArea);
}
public abstract bool PushClipAreaRect(int left, int top, int width, int height, UpdateArea updateArea);
protected override void RenderClientContent(DrawBoard d, UpdateArea updateArea)
{
if (ContentBox == null)
{
return;
}
//
if (EnableDoubleBuffer)
{
var painter = new PixelFarm.Drawing.Internal.MicroPainter(d);
if (_builtInBackBuffer == null)
{
_builtInBackBuffer = painter.CreateOffscreenDrawBoard(this.Width, this.Height);
}
if (!_builtInBackBuffer.IsValid)
{
#if DEBUG
System.Diagnostics.Debug.WriteLine("double_buffer_update:" + this.dbug_obj_id + "," + _invalidateRect.ToString());
#endif
float backupViewportW = painter.ViewportWidth; //backup
float backupViewportH = painter.ViewportHeight; //backup
painter.AttachTo(_builtInBackBuffer); //*** switch to builtInBackbuffer
painter.SetViewportSize(this.Width, this.Height);
if (!_hasAccumRect)
{
_invalidateRect = new Rectangle(0, 0, Width, Height);
}
#if DEBUG
if (_invalidateRect.Width == 15)
{
}
#endif
// if (painter.PushLocalClipArea(
// _invalidateRect.Left, _invalidateRect.Top,
// _invalidateRect.Width, _invalidateRect.Height))
// {
//#if DEBUG
// //for debug , test clear with random color
// //another useful technique to see latest clear area frame-by-frame => use random color
// //painter.Clear(Color.FromArgb(255, dbugRandom.Next(0, 255), dbugRandom.Next(0, 255), dbugRandom.Next(0, 255)));
// canvas.Clear(Color.White);
//#else
// canvas.Clear(Color.White);
//#endif
// base.RenderBoxContent(canvas, updateArea);
// }
//if (painter.PushLocalClipArea(
// _invalidateRect.Left, _invalidateRect.Top,
// _invalidateRect.Width, _invalidateRect.Height))
//{
#if DEBUG
//for debug , test clear with random color
//another useful technique to see latest clear area frame-by-frame => use random color
//painter.Clear(Color.FromArgb(255, dbugRandom.Next(0, 255), dbugRandom.Next(0, 255), dbugRandom.Next(0, 255)));
d.Clear(Color.White);
#else
d.Clear(Color.White);
#endif
//Rectangle updateArea2 = new Rectangle(0, 0, _builtInBackBuffer.Width, _builtInBackBuffer.Height);
Rectangle backup2 = updateArea.CurrentRect;
updateArea.CurrentRect = new Rectangle(0, 0, _builtInBackBuffer.Width, _builtInBackBuffer.Height);
RenderElement.Render(ContentBox, d, updateArea);
updateArea.CurrentRect = backup2;
//}
//painter.PopLocalClipArea();
//
_builtInBackBuffer.IsValid = true;
_hasAccumRect = false;
painter.AttachToNormalBuffer(); //*** switch back
painter.SetViewportSize(backupViewportW, backupViewportH); //restore viewport size
}
#if DEBUG
else
{
System.Diagnostics.Debug.WriteLine("double_buffer_update:" + dbug_obj_id + " use cache");
}
#endif
painter.DrawImage(_builtInBackBuffer.GetImage(), 0, 0, this.Width, this.Height);
}
else
{
RenderElement.Render(ContentBox, d, updateArea);
}
}
static void ReleaseUpdateArea(UpdateArea u)
{
u.Reset();
_updateAreaPool.Push(u);
}