: Creating software where users can draw and manipulate geometric shapes rather than just pixels. CAD & GIS Systems
| Component | Purpose | |-----------|---------| | TFlexGraphicsView | Main canvas/viewport with zoom, pan, selection | | TFlexGraphicsToolBar | Attached toolbar with common shapes and tools | | TFlexGraphicsPrintPreview | Print preview dialog component | | TFlexGraphicsImageList | Manage embedded raster images | | TFlexGraphicsLayerList | Layer manager UI control | | TFlexGraphicsScriptEngine | Script execution host |
uses FlexGraphics, FlexGraphicsTypes, FlexShapes; FlexGraphics - Delphi Graphics Components 1.79 Full Source
FlexGraphics is a comprehensive library of components designed for creating vector graphics applications in and C++Builder . Often described as a "mini analog for Microsoft Visio," it provides a robust framework for building applications that require high-detail technical drawings, charts, and interactive plans. Core Capabilities
The source reveals that FlexGraphics uses region-based clipping. If you have a highly complex document, set the TFlexDesigner.ViewportClip := True to avoid drawing objects outside the visible area. : Creating software where users can draw and
is a capable, mature vector graphics library for legacy Delphi projects (Delphi 5–2010). Its inclusion of source code makes it valuable for:
FlexGraphics provides a robust set of ready-to-use graphical objects. These include basic shapes like rectangles, rounded rectangles, ellipses, and lines, but also extend to more complex entities such as arcs, chords, pies, Bezier curves, and polylines. Unlike drawing on a simple canvas, these primitives are persistent objects. They retain their state, style, and position, freeing the developer from the tedious task of managing repaint logic. Core Capabilities The source reveals that FlexGraphics uses
TFlexGraphicsDocument (TComponent) ├── Layers (TList) │ └── TFlexLayer │ └── Graphics Objects (TFlexShape descendant) │ ├── TFlexRectangle │ ├── TFlexEllipse │ ├── TFlexLine │ ├── TFlexTextObject │ └── ... ├── TFlexGraphicsView (TCustomControl) └── Export/Import Filters (Factory pattern)
Features two types of grids—fixed step and exact—which are critical for CAD-style design processes. Common Use Cases FlexGraphics is typically used by developers to build: