Component: Display Manager (Graphical Library)
| Author | MatrixTSL |
| Version | 1.0 |
| Category | Graphical Library |
Display Manager component
A component designed to simplify the process of drawing primitives and text onto a graphical display. Keeps track of coordinates so you don't have to. Also works great as a base layer for gLCD based games as it will check for collisions and perform movement.
Component Source Code
Please click here for the component source code: FC_Comp_Source_DisplayManager.fcfx
Detailed description
The component can create the follow objects.
Type_line - A simple straight line.
Type_Rectangle - A simple rectangular box.
Type_RectangeFilled - A filled rectangular box.
Type_Ellipse - A simple ellipse or circle.
Type_EllipseFilled - A filled ellipse or circle.
Type_TextBox - A text area allowing a line of text to be displayed.
The type can be entered by using the public constants. Begin with the Display Manager handle name followed by :: and the list of the public variables will be displayed.
For example... DisplayManager1::Type_TextBox
Examples
An example showing the creation of some text areas inside formatted shapes.
Downloadable macro reference
|
MoveObject |
| Moves an existing object to absolute coordinates on the screen. | |
 - UINT
|
ObjectID |
| - UINT
|
X |
| - UINT
|
Y |
 - VOID
|
Return |
|
|
ShiftObject |
| Shifts an existing object coordinates on the screen relative to the previous coordinates. | |
| - UINT
|
ObjectID |
 - INT
|
X |
| - INT
|
Y |
| - VOID
|
Return |
|
|
DrawObject |
| Draws a single object onto the display without clearing the display. Doesn't draw a textfield component, this is done using the SetObjectText macro. | |
| - UINT
|
ObjectID |
| - VOID
|
Return |
|
|
ScaleObject |
| Changes the width and height of the selected Object | |
| - UINT
|
ObjectID |
| - UINT
|
Width |
| - UINT
|
Height |
| - VOID
|
Return |
|
|
RedrawAll |
| Clears the display and redraws all the content from the display manager objects. Doesn't draw textfield components, this is done using the SetObjectText macro. | |
| - VOID
|
Return |
|
|
SetObjectText |
| Assigns text to a single line text object and draws directly to the display. Blanks the selected area first to ensure nothing from previous text is left behind. | |
| - UINT
|
ObjectID |
 - STRING
|
Text |
 - BYTE
|
Font |
| - VOID
|
Return |
|
|
CreateObject |
| Define an object on the graphical LCD. Returns the Object ID. | |
| - UINT
|
ObjectType |
| - UINT
|
X |
| - UINT
|
Y |
| - UINT
|
Width |
| - UINT
|
Height |
| - UINT
|
Return |
Property reference
|
Properties |
|
GLCD Component |
| Selects the GLCD component to display all the objects | |
|
Max Objects |
| The total number of objects allowed on the screen. Sets the size of the RAM buffers used to track the various screen elements. | |