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                TContinuousZoomType, CCameraContinuousZoom*&amp;)</apiname></xref> to create a continuous zoom object. </info> </step> <step id="GUID-787CE611-8527-5B9E-AEE7-5434775C40EF"><cmd/><info>Call <xref href="GUID-021C509B-C821-3401-B2F4-DE7F52BB16D4.dita"><apiname>CCameraContinuousZoom::GetContinuousZoomSupportInfoL(CCameraAdvancedSettings::TContinuousZoomSupportInfo&amp;)</apiname></xref> to retrieve information about the supported settings related to continuous zoom. </info> </step> <step id="GUID-8DC3F51B-0A0E-5445-AF3B-9F2BA2CC7D99"><cmd/><info>Call <xref href="GUID-021C509B-C821-3401-B2F4-DE7F52BB16D4.dita"><apiname>CCameraAdvancedSettings::StartContinuousZoomL(CCameraAdvancedSettings::TContinuousZoomParameters)</apiname></xref> to start the continuous zoom operation. </info> </step> <step id="GUID-86FCBD0A-5208-5220-9620-EF6F8B59210E"><cmd/><info>Call the <xref href="GUID-021C509B-C821-3401-B2F4-DE7F52BB16D4.dita"><apiname>CCameraContinuousZoom::ContinuousZoomProgress(CCameraContinuousZoom&amp;,

                TInt, TInt)</apiname></xref> function when a new zoom factor has achieved during the current continuous zoom operation. </info> </step> <step id="GUID-404644BF-2C4A-5051-9ABF-928A2800FE23"><cmd/><info>Call the <xref href="GUID-021C509B-C821-3401-B2F4-DE7F52BB16D4.dita"><apiname>CCameraAdvancedSettings::GetContinuousZoomId

                (TInt aZoomId)</apiname></xref> function when you use more than one continuous zoom operation. This function is used to retrieve a unique ID which you can use to determine the callback function (like <codeph>ContinuousZoomProgress()</codeph> or <codeph>ContinuousZoomCompleted()</codeph>) is associated with which continuous zoom object. </info> </step> <step id="GUID-4681BA8B-30A1-5ED6-85C4-3DCA1BE237E0"><cmd/><info>Call <xref href="GUID-021C509B-C821-3401-B2F4-DE7F52BB16D4.dita"><apiname>CCameraContinuousZoom::ContinuousZoomCompleted()</apiname></xref> to inform you that the continuous zoom function has either completed successfully or to report an error that has caused the operation to fail. </info> <info>Note: This callback function does not actually stop the continuous zoom. </info> </step> <step id="GUID-B8F65783-F7FB-527D-A053-3E1A5E3321AD"><cmd/><info>Call <xref href="GUID-021C509B-C821-3401-B2F4-DE7F52BB16D4.dita"><apiname>CCameraAdvancedSettings::StopContinuousZoom()</apiname></xref> to stop continuous zooming, if the continuous zoom function has not already completed. </info> </step> </steps> <example><title>Example</title> <p>The following example shows you how to perform continuous digital zooming using the Ecam API: </p> <codeblock id="GUID-C91D9A77-001B-5649-9B30-B0F4964C8023" xml:space="preserve">

CCamera* camera;

MCameraObserver2* observer2;

Camera = CCamera::New2L(*observer2, 0);

CCamera::CCameraAdvancedSettings* settings = CCamera::CCameraAdvancedSettings::NewL(*camera);

TUint supportedContinuousZoomType;

settings->GetSupportedContinuousZoomTypeL(supportedContinuousZoomType);

CCamera::CCameraAdvancedSettings::TContinuousZoomType continuousZoomType =

                       CCamera::CCameraAdvancedSettings::EContinuousZoomMixed;

MContinuousZoomObserver* continuousZoomObserver;     

CCamera::CCameraContinuousZoom* continuousZoom = NULL;

settings->CreateContinuousZoomL(*continuousZoomObserver, continuousZoomType, continuousZoom);

CCamera::CCameraAdvancedSettings::TContinuousZoomSupportInfo info;

continuousZoom->GetContinuousZoomSupportInfoL(info);

CCamera::CCameraAdvancedSettings::TContinuousZoomParameters param;

param.iContinuousZoomType = continuousZoomType;

param.iContinuousZoomAcceleration = 0;

param.iContinuousZoomSpeed = 1;

param.iContinuousZoomLimit = 5;

param.iZoomDirection = CCamera::CCameraAdvancedSettings::EZoomDirectionWide;

continuousZoom->StartContinuousZoomL(param);

</codeblock> </example> </taskbody><related-links><link href="GUID-6A7F8298-F3E9-513C-8C1F-D057AC62E5E3.dita"><linktext> Advanced Settings for Focus, Drive Modes,

                and Bracket Modes</linktext> </link> </related-links></task>