Embedded Artists / DMBasicGUI

A basic graphics package for the LPC4088 Display Module.

Dependents:   lpc4088_displaymodule_demo_sphere sampleGUI sampleEmptyGUI lpc4088_displaymodule_fs_aid ... more

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AppColorPicker Class Reference
Public Member Functions

AppColorPicker Class Reference

An App example letting the user pick a color from a colored area. More...

#include <AppColorPicker.h>

Inherits App.

Public Member Functions

virtual bool setup ()
 Prepare the App before it is started.
virtual void runToCompletion ()
 Runs the App to completion.
virtual bool teardown ()
 Cleanup.
void addResource (Resources id, Resource *res)
 Specifies the resource to use.

Detailed Description

An App example letting the user pick a color from a colored area.

The hex value in RGB565 format is shown as well as a larger sample of the selected color.

The purpose of this example is to show let the user test the touch panel and it can be helpful when selecting colors for e.g. backgrounds.

Definition at line 34 of file AppColorPicker.h.

Member Function Documentation

void addResource ( Resources  id,
Resource *  res 
)

Specifies the resource to use.

Adds a resource for a specific id. This allows the user program to select e.g. which image to use and if it should be loaded from a file or an array.

Parameters:
idthe identifier
resthe resource

Definition at line 206 of file AppColorPicker.cpp.

void runToCompletion (  ) [virtual]

Runs the App to completion.

This function should not return until the App has finished.

Implements App.

Definition at line 125 of file AppColorPicker.cpp.

bool setup (  ) [virtual]

Prepare the App before it is started.

This function can be implemented to allocate memory, load startup images or other time consuming preparations.

The return value is to let the caller now if the application can be started or not.

Parameters:
xthe touched x coordinate
ythe touched y coordinate
pressedtrue if the user pressed the display
Returns:
true if the app can be started false if the setup failed

Reimplemented from App.

Definition at line 114 of file AppColorPicker.cpp.

bool teardown (  ) [virtual]

Cleanup.

Implement to free up the memory allocated in setup().

Returns:
true if the teardown finished successfully false if the teardown failed

Reimplemented from App.

Definition at line 181 of file AppColorPicker.cpp.

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