LAMW - fpnoguigraphicBridge cannot draw?
lazarus / 43-Android

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Mongkey · 2022-04-15 01:48

it was no error raised but can't draw on jbitmap

env. profile:
- compile sdk 30
- android 10

Code: Pascal  [Select][+][-]window.onload = function(){var x1 =
document.getElementById("main_content_section"); if (x1) { var x =
document.getElementsByClassName("geshi");for (var i = 0; i procedure
TAndroidModule1.jButton1Click(Sender: TObject);var  jGraphicsBuffer:
jObject;  w, h: integer;begin  w := jPanel2.Width;  h :=
jPanel2.Height;   ViewPort1.Height := h;  ViewPort1.Width := w;  
ViewPort1.SetScaleXY(0 {minx}, 12 {maxx}, 0 {miny}, 12 {maxy});  
FPNoGUIGraphicsBridge1.SetSurfaceSize(w, h); 
FPNoGUIGraphicsBridge1.PathToFontFile := '/system/fonts/Roboto-
Regular.ttf';  //or DroidSerif-Bold.ttf  
//FPNoGUIGraphicsBridge1.ActiveViewPort:= ViewPort1; //or in design
time  FPNoGUIGraphicsBridge1.PaintViewPort; 
FPNoGUIGraphicsBridge1.PaintGrid(True);   ViewPort1.PenColor :=
colbrRed;  FPNoGUIGraphicsBridge1.DrawFillRectangle([ToRealPoint(0,
2), ToRealPoint(2, 1)]);  {left-top, right-bottom}  
ViewPort1.PenColor := colbrGreen; 
FPNoGUIGraphicsBridge1.DrawFillRectangle([ToRealPoint(2, 4),
ToRealPoint(4, 3)]);  {left-top, right-bottom}   ViewPort1.PenColor :=
colbrBlue;  FPNoGUIGraphicsBridge1.DrawFillRectangle([ToRealPoint(4,
6), ToRealPoint(6, 5)]);  {left-top, right-bottom}  
ViewPort1.PenColor := colbrYellow; 
FPNoGUIGraphicsBridge1.DrawFillRectangle([ToRealPoint(6, 8),
ToRealPoint(8, 7)]);  {left-top, right-bottom}   ViewPort1.PenColor :=
colbrOrange;  FPNoGUIGraphicsBridge1.DrawFillRectangle([ToRealPoint(8,
10), ToRealPoint(10, 9)]);  {left-top, right-bottom}  
ViewPort1.PenColor := colbrLime; 
FPNoGUIGraphicsBridge1.DrawFillRectangle([ToRealPoint(10, 12),
ToRealPoint(12, 11)]);  {left-top, right-bottom}  
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(-0.2, -0.5), 'Jan', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(0.8, -0.5), 'Fev', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(1.8, -0.5), 'Mar', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(2.8, -0.5), 'Abr', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(3.8, -0.5), 'Mai', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(4.8, -0.5), 'Jun', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(5.8, -0.5), 'Jul', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(6.8, -0.5), 'Ago', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(7.8, -0.5), 'Set', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(8.8, -0.5), 'Out', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(9.8, -0.5), 'Nov', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(10.8, -0.5), 'Dez', 22);  
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(-0.4, 1), 'A1', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(-0.4, 3), 'A2', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(-0.4, 5), 'A3', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(-0.4, 7), 'A4', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(-0.4, 9), 'A5', 22); 
FPNoGUIGraphicsBridge1.TextOut(ToRealPoint(-0.4, 11), 'A6', 22);  
jGraphicsBuffer := jBitmap1.GetJByteBuffer(w, h);  
PGlobalDirectImagePixel :=
jBitmap1.GetJByteBufferAddress(jGraphicsBuffer);   FPNoGUIGraphicsBrid
ge1.Surface.GetRGBAGraphics(PGlobalDirectImagePixel);   jImageView1.Se
tImageBitmap(jBitmap1.GetBitmapFromJByteBuffer(jGraphicsBuffer, w,
h));

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jmpessoa · 2022-04-15 02:19

Hi, Mongkey!

Please, can you try some "FPNoGUIGraphicsBridge"    demo?

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Mongkey · 2022-04-15 02:46

i tried all the sample it return no drawing

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jmpessoa · 2022-04-15 03:55

Quoteit was no error raised but can't draw....

What about your Lazarus?   win 32?

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Mongkey · 2022-04-15 04:12

this is my ide env.

by the way , i opened my lamw project in android studio ide and
upgrade gradle to 7.1.3 and material lib inside, it gave no error? 
run just like to be.