Free pascal 3d4/5/2023 ![]() TFont, TBrush and TPen describe how the drawing of various operations will be executed in the Canvas. It cannot exist alone and must either be attached to something visible (or at least which may possibly be visible), such as a visual control descending from TControl, or be attached to an off-screen buffer from a TRasterImage descendent (TBitmap is the most commonly used). TCanvas is a class capable of executing drawings. These classes are: TBitmap, TCanvas, TFont, TBrush, TPen, TPortableNetworkGraphic, etc. The native classes are mostly located in the unit Graphics of the LCL. Native graphics classes are the most traditional way of drawing graphics in the LCL and are also the most important one, while the non-native classes are complementary, but also very important. The Lazarus Component Library (LCL) provides two kinds of drawing class: Native classes and non-native classes. Introduction to the Graphics model of the LCL Graphics libraries - here you can see the main graphic libraries you can use to develop.
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