1+ // /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
2+ //
3+ // MIT License
4+ //
5+ // Copyright(c) 2017 René Slijkhuis
6+ //
7+ // Permission is hereby granted, free of charge, to any person obtaining a copy
8+ // of this software and associated documentation files (the "Software"), to deal
9+ // in the Software without restriction, including without limitation the rights
10+ // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11+ // copies of the Software, and to permit persons to whom the Software is
12+ // furnished to do so, subject to the following conditions:
13+ //
14+ // The above copyright notice and this permission notice shall be included in all
15+ // copies or substantial portions of the Software.
16+ //
17+ // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18+ // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19+ // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20+ // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21+ // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22+ // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23+ // SOFTWARE.
24+ //
25+ // /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
26+
27+ #include " stdafx.h"
28+
29+ #include < vector>
30+ #include < atlbase.h>
31+ #include < initguid.h>
32+ #include < Wincodec.h>
33+
34+ using namespace std ;
35+
36+ // /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
37+ //
38+ // Include header: Wincodec.h
39+ // Add to linker input: Windowscodecs.lib
40+ //
41+ // /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
42+
43+ // GUID of the Lisa image format (this should be known by applications that want to write this format).
44+ // {91DFBD70-3D2C-440F-B297-1E2097D4A833}
45+ DEFINE_GUID (GUID_LisaContainerFormat, 0x91dfbd70 , 0x3d2c , 0x440f , 0xb2 , 0x97 , 0x1e , 0x20 , 0x97 , 0xd4 , 0xa8 , 0x33 );
46+
47+ // /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
48+
49+ void SaveAsLisa ( const wstring& filename )
50+ {
51+ CoInitialize ( nullptr );
52+ {
53+ CComPtr<IWICImagingFactory> pFactory;
54+ CComPtr<IWICBitmapDecoder> pDecoder;
55+ CComPtr<IWICBitmapEncoder> pEncoder;
56+ CComPtr<IWICBitmapFrameDecode> pFrameDecode;
57+ CComPtr<IWICBitmapFrameEncode> pFrameEncode;
58+ CComPtr<IWICFormatConverter> pFormatConverter;
59+ CComPtr<IWICStream> pFileStream;
60+ CComPtr<IPropertyBag2> pPropertyBag;
61+
62+ CoCreateInstance ( CLSID_WICImagingFactory, NULL , CLSCTX_INPROC_SERVER, IID_IWICImagingFactory, (LPVOID*)&pFactory );
63+
64+ // Read the specified file by using an installed WIC codec.
65+
66+ pFactory->CreateDecoderFromFilename ( filename.c_str ( ), NULL , GENERIC_READ, WICDecodeMetadataCacheOnDemand, &pDecoder );
67+ // Check the return value to see if:
68+ // - The specified file exists and can be read.
69+ // - A decoder is found for this file format.
70+
71+ UINT frameCount = 0 ;
72+ pDecoder->GetFrameCount ( &frameCount );
73+
74+ pDecoder->GetFrame ( 0 , &pFrameDecode );
75+
76+ UINT width = 0 ;
77+ UINT height = 0 ;
78+ pFrameDecode->GetSize ( &width, &height );
79+
80+ WICPixelFormatGUID pixelFormatSource;
81+ pFrameDecode->GetPixelFormat ( &pixelFormatSource );
82+
83+ WICPixelFormatGUID pixelFormatDestination = GUID_WICPixelFormat24bppRGB;
84+
85+ // The frame can use many different pixel formats.
86+ // You can copy the raw pixel values by calling "pFrame->CopyPixels( )".
87+ // This method needs a buffer that can hold all bytes.
88+ // The total number of bytes is: width x height x bytes per pixel
89+
90+ // The disadvantage of this solution is that you have to deal with all possible pixel formats.
91+
92+ // You can make your life easy by converting the frame to a pixel format of
93+ // your choice. The code below shows how to convert the pixel format to 24-bit RGB.
94+
95+ pFactory->CreateFormatConverter ( &pFormatConverter );
96+
97+ pFormatConverter->Initialize ( pFrameDecode, // Input bitmap to convert
98+ pixelFormatDestination, // Destination pixel format
99+ WICBitmapDitherTypeNone, // Specified dither pattern
100+ nullptr , // Specify a particular palette
101+ 0 .f , // Alpha threshold
102+ WICBitmapPaletteTypeCustom ); // Palette translation type
103+
104+ UINT bytesPerPixel = 3 ; // Because we have converted the frame to 24-bit RGB
105+ UINT stride = width * bytesPerPixel;
106+ UINT size = width * height * bytesPerPixel; // The size of the required memory buffer for
107+ // holding all the bytes of the frame.
108+
109+ vector<BYTE> bytes ( size ); // The buffer to hold all the bytes of the frame.
110+ pFormatConverter->CopyPixels ( NULL , stride, size, bytes.data ( ) );
111+
112+ // Save the image in the Lisa format.
113+ // The Lisa WIC codec should be installed (see the link below).
114+ // https://github.com/ReneSlijkhuis/example-wic-codec
115+
116+ pFactory->CreateEncoder ( GUID_LisaContainerFormat, NULL , &pEncoder );
117+ // Check the return value to see if an encoder is found for the specified file format.
118+
119+ pFactory->CreateStream ( &pFileStream );
120+
121+ wstring output = filename + L" .lisa"
122+ pFileStream->InitializeFromFilename ( output.c_str ( ), GENERIC_WRITE );
123+
124+ pEncoder->Initialize ( pFileStream, WICBitmapEncoderNoCache );
125+
126+ pEncoder->CreateNewFrame ( &pFrameEncode, &pPropertyBag );
127+
128+ pFrameEncode->SetPixelFormat ( &pixelFormatDestination );
129+
130+ pFrameEncode->SetSize ( width, height );
131+
132+ pFrameEncode->WritePixels ( height, stride, size, bytes.data ( ) );
133+
134+ pFrameEncode->Commit ( );
135+ pEncoder->Commit ( );
136+
137+ // Note: the WIC COM pointers should be released before 'CoUninitialize( )' is called.
138+ }
139+ CoUninitialize ( );
140+ }
141+
142+ // /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
143+
144+ int main ( )
145+ {
146+ SaveAsLisa ( L" <filename>"
147+
148+ return 0 ;
149+ }
150+
151+ // /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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