Platform Package reference: Function EwColorToIndex()

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Platform Package reference

Function EwAlloc()

Function EwAddHeapMemoryPool()

Function EwAllocUserColor()

Function EwAnyPendingSignals()

Function EwBeginUpdate()

Function EwBeginUpdateArea()

Function EwColorToIndex()

Function EwCompString()

Function EwConfigViewport()

Function EwCreateBitmap()

Function EwDoneGraphicsEngine()

Function EwDoneHeap()

Function EwDoneViewport()

Function EwDumpHeap()

Function EwEnableGfxTaskTracing()

Function EwEndUpdate()

Function EwFindUserColor()

Function EwFree()

Function EwFreeBitmap()

Function EwFreeUserColor()

Function EwGetAutoObject()

Function EwGetHeapInfo()

Function EwGetLanguage()

Function EwGetStringLength()

Function EwGetUtf8StringLength()

Function EwGetStyles()

Function EwIndexToColor()

Function EwInitGraphicsEngine()

Function EwInitHeap()

Function EwInitViewport()

Function EwLockBitmap()

Function EwLockObject()

Function EwModifyBitmapPalette()

Function EwNewColor()

Function EwNewObject()

Function EwNewObjectIndirect()

Function EwNewPoint()

Function EwNewRect()

Function EwNewString()

Function EwNewStringAnsi()

Function EwNewStringChar()

Function EwNewStringUtf8()

Function EwNextTimerExpiration()

Function EwPrintPerfCounters()

Function EwPrintProfilerStatistic()

Function EwProcessSignals()

Function EwProcessTimers()

Function EwReclaimMemory()

Function EwRegisterFlashAreaReader()

Function EwResetPerfCounters()

Function EwSetLanguage()

Function EwSetStackBaseAddress()

Function EwSetStyles()

Function EwSetUserColor()

Function EwStringToAnsi()

Function EwStringToUtf8()

Function EwUnlockBitmap()

Function EwUnlockObject()

Function EwVerifyHeap()

Basic Data Type Definitions

Type XBitmapLock

Type XViewportProc

Error and Warning Codes

Platform Package reference: Function EwColorToIndex()

Description of the function EwColorToIndex() available in Platform Packages for C compatible target systems running in the color format Index8 (CLUT based). This function is intended to be used when integrating the Embedded Wizard created GUI application with the underlying graphics subsystem, graphics hardware or other external GUI applications coexisting on the same system.

Declaration

XUInt8 EwColorToIndex( XColor aColor )

Parameters

aColor

Color to be found in the global CLUT (color look-up table).

Discussion

The function EwColorToIndex() determines an entry within the global CLUT (color look-up table), which corresponds to the given color value. The operation is based on the nearest color matching algorithm. To find an exactly matching color use the function EwFindUserColor().