Using TImage32
About the documentation
Appearance
Provides a VCL/LCL TCanvas instance bound to the bitmap's GDI device context (HDC).
property Canvas: TCanvas read GetCanvas;
Canvas provides access to standard VCL/LCL canvas drawing methods (GDI text rendering, shapes, lines) operating on the bitmap surface.
Canvas
Bitmap.Canvas.TextOut(10, 10, 'Hello Graphics32');