|
sl@0
|
1 |
// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
sl@0
|
2 |
// All rights reserved.
|
|
sl@0
|
3 |
// This component and the accompanying materials are made available
|
|
sl@0
|
4 |
// under the terms of "Eclipse Public License v1.0"
|
|
sl@0
|
5 |
// which accompanies this distribution, and is available
|
|
sl@0
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
sl@0
|
7 |
//
|
|
sl@0
|
8 |
// Initial Contributors:
|
|
sl@0
|
9 |
// Nokia Corporation - initial contribution.
|
|
sl@0
|
10 |
//
|
|
sl@0
|
11 |
// Contributors:
|
|
sl@0
|
12 |
//
|
|
sl@0
|
13 |
// Description:
|
|
sl@0
|
14 |
//
|
|
sl@0
|
15 |
|
|
sl@0
|
16 |
#include "swdirectgdiimagetargetimpl.h"
|
|
sl@0
|
17 |
#include "swdirectgdidriverimpl.h"
|
|
sl@0
|
18 |
#include <bitdraw.h>
|
|
sl@0
|
19 |
|
|
sl@0
|
20 |
/**
|
|
sl@0
|
21 |
Constructs a CSwDirectGdiImageTargetImpl.
|
|
sl@0
|
22 |
@param aDriver The driver implementation which created this target.
|
|
sl@0
|
23 |
@param aDrawDevice A pointer to the draw device associated with this target.
|
|
sl@0
|
24 |
This class takes ownership of aDrawDevice.
|
|
sl@0
|
25 |
*/
|
|
sl@0
|
26 |
CSwDirectGdiImageTargetImpl::CSwDirectGdiImageTargetImpl(CSwDirectGdiDriverImpl& aDriver, CFbsDrawDevice* aDrawDevice):
|
|
sl@0
|
27 |
iDriver(aDriver),
|
|
sl@0
|
28 |
iDrawDevice(aDrawDevice)
|
|
sl@0
|
29 |
{
|
|
sl@0
|
30 |
}
|
|
sl@0
|
31 |
|
|
sl@0
|
32 |
/**
|
|
sl@0
|
33 |
Destroys a CSwDirectGdiImageTargetImpl.
|
|
sl@0
|
34 |
@post This image target is removed from the associated driver's list of target images.
|
|
sl@0
|
35 |
*/
|
|
sl@0
|
36 |
CSwDirectGdiImageTargetImpl::~CSwDirectGdiImageTargetImpl()
|
|
sl@0
|
37 |
{
|
|
sl@0
|
38 |
iDriver.UnregisterTargetImage(*this);
|
|
sl@0
|
39 |
delete iDrawDevice;
|
|
sl@0
|
40 |
}
|
|
sl@0
|
41 |
|
|
sl@0
|
42 |
/**
|
|
sl@0
|
43 |
Two-phase construction of a CSwDirectGdiImageTarget object.
|
|
sl@0
|
44 |
|
|
sl@0
|
45 |
@param aImage On success, holds a pointer to the newly-created image.
|
|
sl@0
|
46 |
@param aDriver The driver to register this image with.
|
|
sl@0
|
47 |
@param aDrawDevice The draw device to associate with this target. This target will take ownership
|
|
sl@0
|
48 |
of the draw device if this method returns without an error, if the method returns with an error
|
|
sl@0
|
49 |
then the caller still owns the draw device.
|
|
sl@0
|
50 |
@param aSgImage The RSgImage which this image will be based upon.
|
|
sl@0
|
51 |
|
|
sl@0
|
52 |
@return KErrNone if successful, KErrNoMemory if not enough memory could be allocated, otherwise a return
|
|
sl@0
|
53 |
value from Construct().
|
|
sl@0
|
54 |
*/
|
|
sl@0
|
55 |
TInt CSwDirectGdiImageTargetImpl::New(CSwDirectGdiImageTargetImpl*& aImage, CSwDirectGdiDriverImpl& aDriver, CFbsDrawDevice* aDrawDevice, const RSgImage& aSgImage)
|
|
sl@0
|
56 |
{
|
|
sl@0
|
57 |
CSwDirectGdiImageTargetImpl* image = new CSwDirectGdiImageTargetImpl(aDriver, aDrawDevice);
|
|
sl@0
|
58 |
if (!image)
|
|
sl@0
|
59 |
return KErrNoMemory;
|
|
sl@0
|
60 |
TInt err = image->Construct(aSgImage);
|
|
sl@0
|
61 |
if (err == KErrNone)
|
|
sl@0
|
62 |
aImage = image;
|
|
sl@0
|
63 |
else
|
|
sl@0
|
64 |
{
|
|
sl@0
|
65 |
image->iDrawDevice = NULL;
|
|
sl@0
|
66 |
delete image;
|
|
sl@0
|
67 |
}
|
|
sl@0
|
68 |
return err;
|
|
sl@0
|
69 |
}
|
|
sl@0
|
70 |
|
|
sl@0
|
71 |
/**
|
|
sl@0
|
72 |
Obtains a draw device pointer that is associated with this target
|
|
sl@0
|
73 |
@return A pointer to the draw device.
|
|
sl@0
|
74 |
*/
|
|
sl@0
|
75 |
CFbsDrawDevice* CSwDirectGdiImageTargetImpl::DrawDevice() const
|
|
sl@0
|
76 |
{
|
|
sl@0
|
77 |
return iDrawDevice;
|
|
sl@0
|
78 |
}
|
|
sl@0
|
79 |
|
|
sl@0
|
80 |
/**
|
|
sl@0
|
81 |
Gets the supplied image structure and sets the internal data. If it fails for any reason, it will
|
|
sl@0
|
82 |
delete itself.
|
|
sl@0
|
83 |
|
|
sl@0
|
84 |
@param aSgImage The RSgImage to create the source image from.
|
|
sl@0
|
85 |
@return KErrNone if successful, KErrNotSupported if the RSgImage doesn't have the required interface,
|
|
sl@0
|
86 |
otherwise an error from CDirectGdiImageRef::Construct().
|
|
sl@0
|
87 |
*/
|
|
sl@0
|
88 |
TInt CSwDirectGdiImageTargetImpl::Construct(const RSgImage& aSgImage)
|
|
sl@0
|
89 |
{
|
|
sl@0
|
90 |
TInt err = CDirectGdiImageRef::Construct(aSgImage);
|
|
sl@0
|
91 |
|
|
sl@0
|
92 |
if (err == KErrNone)
|
|
sl@0
|
93 |
{
|
|
sl@0
|
94 |
err = iDriver.RegisterTargetImage(*this);
|
|
sl@0
|
95 |
}
|
|
sl@0
|
96 |
|
|
sl@0
|
97 |
if (err == KErrNone)
|
|
sl@0
|
98 |
{
|
|
sl@0
|
99 |
Open();
|
|
sl@0
|
100 |
}
|
|
sl@0
|
101 |
|
|
sl@0
|
102 |
return err;
|
|
sl@0
|
103 |
}
|