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Hi Erel, The title says the wish. Currently, there are three different routines in the class with different results. Example: MeasureTextHeight("Mg") and MeasureTextHeight("M") give different results in B4A because the real height is different, but give the same result in B4J. I have not checked with B4i....

implementation of B4A B4XCanvas with working Invalidate. After I figured that Canvas.Invalidate do nothing... of B4XCanvas with working Invalidate function on B4J. It completely exposes regular B4XCanvas, after... and pass a B4XView . Some drawing functions have been added to original B4XCanvas: - DrawPixel... you all the drawings. UPDATED: v1.08 Add a command to get native B4XCanvas from AsyncCanvas, this code now works. Dim NativeCanvas As B4XCanvas = b4xCvs.GetNativeCanvas AsyncCanvas Author: Massimo Meli...

Hi @Erel; is it possible ; i need using for old libs. private B4Xcnvs as B4XCanvas private cnvs as Canvas cnvs=B4Xcnvs.getCanvas ...

B4XCanvas is the cross platform version of Canvas. Steps to using B4XCanvas: 1. Initialize and... you should call B4XCanvas.Resize. This is more relevant in B4J and B4i as the activity is recreated in...
link: Thanks Klaus the cvsGraph.DrawRect(cvsGraph.TargetRect, xui.Color_White, True, 1) is working fine P...
link: There is no need to post in both threads. Use cvsGraph.ClearRect(cvsGraph.TargetRect) Sets the bac...
link: Thanks Klaus, this one is really working as i wanted it to be, i have made a small change in the fol...

In a B4XPages project I sometimes run a progressbar by drawing a line on a B4XCanvas... this seems to be to initialize the B4XCanvas in Sub B4XPage_Appear: Sub Class_Globals Private...
link: This is the not correct solution. The canvas will never become uninitialized because of the app mov...
link: Why a canvas? You can achieve the same behaviour with a panel Just because the label is already th...
link: Why a canvas? You can achieve the same behaviour with a panel...

Is it posible to calculate the height of a label and text, but with multiple lines? The way that b4i...
link: https://www.b4x.com/android/forum/threads/sizetofit-routines-measurestringwidth-measurestringheight-...
link: Have you tried StringUtils.MeasureMultilineTextHeight? Drawing Multiline Text | B4X Programming For...
link: this is what you want. 107000 Attached a demo. (tested on B4A and B4J) The rest is up to your ima...

Hey, why it look in B4J so?: 94362 and on B4A only the right outer line is to watch? Dim tmp_bp As B4XPath tmp_bp.InitializeArc(xcv_main.TargetRect.CenterX,xcv_main.TargetRect.CenterY,Height/2,10...
link: Check BitmapCreator. It can draw arcs and the behavior will be the same in all platforms....
link: Something like that Dim X as Float ' Center Dim Y as Float ' Center Dim LastX a...
link: my goal is this: 94364 On one occasion I used the lines with Sin and Cos I found the points and dr...

Hi, All Trying to use B4XCanvas for the first time. Trying to join red point by drawing the yellow lines. B4XCanvas is tied to the container placed over the image, but strange that the area where...
link: Solved: B4XCanvas must also be ... _Resized, when class' root container is _Resized. Public...
link: Hmm, if to set many higher: #MainFormWidth: 1600 #MainFormHeight: 1200 it gots OK with big...
link: Zoomed: 160250 ...

As B4XCanvas xcv.Initialize(Target) Dim p As Float = -(IIf(Width > Height,Width...127529 FillWithDiagonallyDrawnLines(xpnl_Main,15dip,20dip,xui.Color_ARGB(255,49, 138, 123)) Private Sub FillWithDiagonallyDrawnLines(Target As B4XView,Thickness As Float,GapBetween As Float,Color...
link: As B4XCanvas xcv.Initialize(Target) Dim p As Float = -(IIf(Width > Height,Width,Height...
link: As B4XCanvas xcv.Initialize(Target) Dim p As Float = -(IIf(Width > Height,Width,Height...

listToPath(pntList As List, thickness As Float) As B4XPath 'This method works for all... As B4XPath Dim epsilon As Float = .001 Dim firstPt(2), lastPt(2), prevPt(2) As Object Dim....Add(Array(-0.4, 0.0)) fromCenter.Add(Array(-0.2, 0.0)) fromCenter.Add(Array(0.0, 0.0)) fromCenter.Add(Array(0.2, 0.0)) fromCenter.Add(Array(0.4, 0.0)) drawRotatedShape (fromCenter...