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#define _CRT_SECURE_NO_WARNINGS
#include <wincodec.h>
#include <stdio.h>
#include <vector>
static const CLSID CLSID_SixelDecoder = {
/* 15b9b4da-b155-4977-8571-cf005884bcb9 */
0x15b9b4da,
0xb155,
0x4977,
{0x85, 0x71, 0xcf, 0x00, 0x58, 0x84, 0xbc, 0xb9}
};
#define ARGB(a, r, g, b) ((WICColor)((a) << 24 | (r) << 16 | (g) << 8 | (b)))
static WICColor colortable[] = {
ARGB(255, 0x00, 0x00, 0x00), // 0 Black
ARGB(255, 0x14, 0x14, 0x14), // 1 Blue
ARGB(255, 0x50, 0x0d, 0x0d), // 2 Red
ARGB(255, 0x14, 0x50, 0x14), // 3 Green
ARGB(255, 0x50, 0x14, 0x50), // 4 Magenta
ARGB(255, 0x14, 0x50, 0x14), // 5 Cyan
ARGB(255, 0x50, 0x50, 0x14), // 6 Yellow
ARGB(255, 0x35, 0x35, 0x35), // 7 Gray 50%
ARGB(255, 0x1a, 0x1a, 0x1a), // 8 Gray 25%
ARGB(255, 0x21, 0x21, 0x3c), // 9 Blue*
ARGB(255, 0x3c, 0x1a, 0x1a), // 10 Red*
ARGB(255, 0x21, 0x3c, 0x21), // 11 Green*
ARGB(255, 0x3c, 0x21, 0x3c), // 12 Magenta*
ARGB(255, 0x21, 0x3c, 0x3c), // 13 Cyan*
ARGB(255, 0x3c, 0x3c, 0x21), // 14 Yellow*
ARGB(255, 0x50, 0x50, 0x50), // 15 Gray 75%
ARGB(255, 0x00, 0x00, 0x00),
ARGB(255, 0x00, 0x00, 0x5f),
ARGB(255, 0x00, 0x00, 0x87),
ARGB(255, 0x00, 0x00, 0xaf), /* 16 -19 */
ARGB(255, 0x00, 0x00, 0xd7),
ARGB(255, 0x00, 0x00, 0xff),
ARGB(255, 0x00, 0x5f, 0x00),
ARGB(255, 0x00, 0x5f, 0x5f), /* 20 -23 */
ARGB(255, 0x00, 0x5f, 0x87),
ARGB(255, 0x00, 0x5f, 0xaf),
ARGB(255, 0x00, 0x5f, 0xd7),
ARGB(255, 0x00, 0x5f, 0xff), /* 24 -27 */
ARGB(255, 0x00, 0x87, 0x00),
ARGB(255, 0x00, 0x87, 0x5f),
ARGB(255, 0x00, 0x87, 0x87),
ARGB(255, 0x00, 0x87, 0xaf), /* 28 -31 */
ARGB(255, 0x00, 0x87, 0xd7),
ARGB(255, 0x00, 0x87, 0xff),
ARGB(255, 0x00, 0xaf, 0x00),
ARGB(255, 0x00, 0xaf, 0x5f), /* 32 -35 */
ARGB(255, 0x00, 0xaf, 0x87),
ARGB(255, 0x00, 0xaf, 0xaf),
ARGB(255, 0x00, 0xaf, 0xd7),
ARGB(255, 0x00, 0xaf, 0xff), /* 36 -39 */
ARGB(255, 0x00, 0xd7, 0x00),
ARGB(255, 0x00, 0xd7, 0x5f),
ARGB(255, 0x00, 0xd7, 0x87),
ARGB(255, 0x00, 0xd7, 0xaf), /* 40 -43 */
ARGB(255, 0x00, 0xd7, 0xd7),
ARGB(255, 0x00, 0xd7, 0xff),
ARGB(255, 0x00, 0xff, 0x00),
ARGB(255, 0x00, 0xff, 0x5f), /* 44 -47 */
ARGB(255, 0x00, 0xff, 0x87),
ARGB(255, 0x00, 0xff, 0xaf),
ARGB(255, 0x00, 0xff, 0xd7),
ARGB(255, 0x00, 0xff, 0xff), /* 48 -51 */
ARGB(255, 0x5f, 0x00, 0x00),
ARGB(255, 0x5f, 0x00, 0x5f),
ARGB(255, 0x5f, 0x00, 0x87),
ARGB(255, 0x5f, 0x00, 0xaf), /* 52 -55 */
ARGB(255, 0x5f, 0x00, 0xd7),
ARGB(255, 0x5f, 0x00, 0xff),
ARGB(255, 0x5f, 0x5f, 0x00),
ARGB(255, 0x5f, 0x5f, 0x5f), /* 56 -59 */
ARGB(255, 0x5f, 0x5f, 0x87),
ARGB(255, 0x5f, 0x5f, 0xaf),
ARGB(255, 0x5f, 0x5f, 0xd7),
ARGB(255, 0x5f, 0x5f, 0xff), /* 60 -63 */
ARGB(255, 0x5f, 0x87, 0x00),
ARGB(255, 0x5f, 0x87, 0x5f),
ARGB(255, 0x5f, 0x87, 0x87),
ARGB(255, 0x5f, 0x87, 0xaf), /* 64 -67 */
ARGB(255, 0x5f, 0x87, 0xd7),
ARGB(255, 0x5f, 0x87, 0xff),
ARGB(255, 0x5f, 0xaf, 0x00),
ARGB(255, 0x5f, 0xaf, 0x5f), /* 68 -71 */
ARGB(255, 0x5f, 0xaf, 0x87),
ARGB(255, 0x5f, 0xaf, 0xaf),
ARGB(255, 0x5f, 0xaf, 0xd7),
ARGB(255, 0x5f, 0xaf, 0xff), /* 72 -75 */
ARGB(255, 0x5f, 0xd7, 0x00),
ARGB(255, 0x5f, 0xd7, 0x5f),
ARGB(255, 0x5f, 0xd7, 0x87),
ARGB(255, 0x5f, 0xd7, 0xaf), /* 76 -79 */
ARGB(255, 0x5f, 0xd7, 0xd7),
ARGB(255, 0x5f, 0xd7, 0xff),
ARGB(255, 0x5f, 0xff, 0x00),
ARGB(255, 0x5f, 0xff, 0x5f), /* 80 -83 */
ARGB(255, 0x5f, 0xff, 0x87),
ARGB(255, 0x5f, 0xff, 0xaf),
ARGB(255, 0x5f, 0xff, 0xd7),
ARGB(255, 0x5f, 0xff, 0xff), /* 84 -87 */
ARGB(255, 0x87, 0x00, 0x00),
ARGB(255, 0x87, 0x00, 0x5f),
ARGB(255, 0x87, 0x00, 0x87),
ARGB(255, 0x87, 0x00, 0xaf), /* 88 -91 */
ARGB(255, 0x87, 0x00, 0xd7),
ARGB(255, 0x87, 0x00, 0xff),
ARGB(255, 0x87, 0x5f, 0x00),
ARGB(255, 0x87, 0x5f, 0x5f), /* 92 -95 */
ARGB(255, 0x87, 0x5f, 0x87),
ARGB(255, 0x87, 0x5f, 0xaf),
ARGB(255, 0x87, 0x5f, 0xd7),
ARGB(255, 0x87, 0x5f, 0xff), /* 96 -99 */
ARGB(255, 0x87, 0x87, 0x00),
ARGB(255, 0x87, 0x87, 0x5f),
ARGB(255, 0x87, 0x87, 0x87),
ARGB(255, 0x87, 0x87, 0xaf), /* 100-103 */
ARGB(255, 0x87, 0x87, 0xd7),
ARGB(255, 0x87, 0x87, 0xff),
ARGB(255, 0x87, 0xaf, 0x00),
ARGB(255, 0x87, 0xaf, 0x5f), /* 104-107 */
ARGB(255, 0x87, 0xaf, 0x87),
ARGB(255, 0x87, 0xaf, 0xaf),
ARGB(255, 0x87, 0xaf, 0xd7),
ARGB(255, 0x87, 0xaf, 0xff), /* 108-111 */
ARGB(255, 0x87, 0xd7, 0x00),
ARGB(255, 0x87, 0xd7, 0x5f),
ARGB(255, 0x87, 0xd7, 0x87),
ARGB(255, 0x87, 0xd7, 0xaf), /* 112-115 */
ARGB(255, 0x87, 0xd7, 0xd7),
ARGB(255, 0x87, 0xd7, 0xff),
ARGB(255, 0x87, 0xff, 0x00),
ARGB(255, 0x87, 0xff, 0x5f), /* 116-119 */
ARGB(255, 0x87, 0xff, 0x87),
ARGB(255, 0x87, 0xff, 0xaf),
ARGB(255, 0x87, 0xff, 0xd7),
ARGB(255, 0x87, 0xff, 0xff), /* 120-123 */
ARGB(255, 0xaf, 0x00, 0x00),
ARGB(255, 0xaf, 0x00, 0x5f),
ARGB(255, 0xaf, 0x00, 0x87),
ARGB(255, 0xaf, 0x00, 0xaf), /* 124-127 */
ARGB(255, 0xaf, 0x00, 0xd7),
ARGB(255, 0xaf, 0x00, 0xff),
ARGB(255, 0xaf, 0x5f, 0x00),
ARGB(255, 0xaf, 0x5f, 0x5f), /* 128-131 */
ARGB(255, 0xaf, 0x5f, 0x87),
ARGB(255, 0xaf, 0x5f, 0xaf),
ARGB(255, 0xaf, 0x5f, 0xd7),
ARGB(255, 0xaf, 0x5f, 0xff), /* 132-135 */
ARGB(255, 0xaf, 0x87, 0x00),
ARGB(255, 0xaf, 0x87, 0x5f),
ARGB(255, 0xaf, 0x87, 0x87),
ARGB(255, 0xaf, 0x87, 0xaf), /* 136-139 */
ARGB(255, 0xaf, 0x87, 0xd7),
ARGB(255, 0xaf, 0x87, 0xff),
ARGB(255, 0xaf, 0xaf, 0x00),
ARGB(255, 0xaf, 0xaf, 0x5f), /* 140-143 */
ARGB(255, 0xaf, 0xaf, 0x87),
ARGB(255, 0xaf, 0xaf, 0xaf),
ARGB(255, 0xaf, 0xaf, 0xd7),
ARGB(255, 0xaf, 0xaf, 0xff), /* 144-147 */
ARGB(255, 0xaf, 0xd7, 0x00),
ARGB(255, 0xaf, 0xd7, 0x5f),
ARGB(255, 0xaf, 0xd7, 0x87),
ARGB(255, 0xaf, 0xd7, 0xaf), /* 148-151 */
ARGB(255, 0xaf, 0xd7, 0xd7),
ARGB(255, 0xaf, 0xd7, 0xff),
ARGB(255, 0xaf, 0xff, 0x00),
ARGB(255, 0xaf, 0xff, 0x5f), /* 152-155 */
ARGB(255, 0xaf, 0xff, 0x87),
ARGB(255, 0xaf, 0xff, 0xaf),
ARGB(255, 0xaf, 0xff, 0xd7),
ARGB(255, 0xaf, 0xff, 0xff), /* 156-159 */
ARGB(255, 0xd7, 0x00, 0x00),
ARGB(255, 0xd7, 0x00, 0x5f),
ARGB(255, 0xd7, 0x00, 0x87),
ARGB(255, 0xd7, 0x00, 0xaf), /* 160-163 */
ARGB(255, 0xd7, 0x00, 0xd7),
ARGB(255, 0xd7, 0x00, 0xff),
ARGB(255, 0xd7, 0x5f, 0x00),
ARGB(255, 0xd7, 0x5f, 0x5f), /* 164-167 */
ARGB(255, 0xd7, 0x5f, 0x87),
ARGB(255, 0xd7, 0x5f, 0xaf),
ARGB(255, 0xd7, 0x5f, 0xd7),
ARGB(255, 0xd7, 0x5f, 0xff), /* 168-171 */
ARGB(255, 0xd7, 0x87, 0x00),
ARGB(255, 0xd7, 0x87, 0x5f),
ARGB(255, 0xd7, 0x87, 0x87),
ARGB(255, 0xd7, 0x87, 0xaf), /* 172-175 */
ARGB(255, 0xd7, 0x87, 0xd7),
ARGB(255, 0xd7, 0x87, 0xff),
ARGB(255, 0xd7, 0xaf, 0x00),
ARGB(255, 0xd7, 0xaf, 0x5f), /* 176-179 */
ARGB(255, 0xd7, 0xaf, 0x87),
ARGB(255, 0xd7, 0xaf, 0xaf),
ARGB(255, 0xd7, 0xaf, 0xd7),
ARGB(255, 0xd7, 0xaf, 0xff), /* 180-183 */
ARGB(255, 0xd7, 0xd7, 0x00),
ARGB(255, 0xd7, 0xd7, 0x5f),
ARGB(255, 0xd7, 0xd7, 0x87),
ARGB(255, 0xd7, 0xd7, 0xaf), /* 184-187 */
ARGB(255, 0xd7, 0xd7, 0xd7),
ARGB(255, 0xd7, 0xd7, 0xff),
ARGB(255, 0xd7, 0xff, 0x00),
ARGB(255, 0xd7, 0xff, 0x5f), /* 188-191 */
ARGB(255, 0xd7, 0xff, 0x87),
ARGB(255, 0xd7, 0xff, 0xaf),
ARGB(255, 0xd7, 0xff, 0xd7),
ARGB(255, 0xd7, 0xff, 0xff), /* 192-195 */
ARGB(255, 0xff, 0x00, 0x00),
ARGB(255, 0xff, 0x00, 0x5f),
ARGB(255, 0xff, 0x00, 0x87),
ARGB(255, 0xff, 0x00, 0xaf), /* 196-199 */
ARGB(255, 0xff, 0x00, 0xd7),
ARGB(255, 0xff, 0x00, 0xff),
ARGB(255, 0xff, 0x5f, 0x00),
ARGB(255, 0xff, 0x5f, 0x5f), /* 200-203 */
ARGB(255, 0xff, 0x5f, 0x87),
ARGB(255, 0xff, 0x5f, 0xaf),
ARGB(255, 0xff, 0x5f, 0xd7),
ARGB(255, 0xff, 0x5f, 0xff), /* 204-207 */
ARGB(255, 0xff, 0x87, 0x00),
ARGB(255, 0xff, 0x87, 0x5f),
ARGB(255, 0xff, 0x87, 0x87),
ARGB(255, 0xff, 0x87, 0xaf), /* 208-211 */
ARGB(255, 0xff, 0x87, 0xd7),
ARGB(255, 0xff, 0x87, 0xff),
ARGB(255, 0xff, 0xaf, 0x00),
ARGB(255, 0xff, 0xaf, 0x5f), /* 212-215 */
ARGB(255, 0xff, 0xaf, 0x87),
ARGB(255, 0xff, 0xaf, 0xaf),
ARGB(255, 0xff, 0xaf, 0xd7),
ARGB(255, 0xff, 0xaf, 0xff), /* 216-219 */
ARGB(255, 0xff, 0xd7, 0x00),
ARGB(255, 0xff, 0xd7, 0x5f),
ARGB(255, 0xff, 0xd7, 0x87),
ARGB(255, 0xff, 0xd7, 0xaf), /* 220-223 */
ARGB(255, 0xff, 0xd7, 0xd7),
ARGB(255, 0xff, 0xd7, 0xff),
ARGB(255, 0xff, 0xff, 0x00),
ARGB(255, 0xff, 0xff, 0x5f), /* 224-227 */
ARGB(255, 0xff, 0xff, 0x87),
ARGB(255, 0xff, 0xff, 0xaf),
ARGB(255, 0xff, 0xff, 0xd7),
ARGB(255, 0xff, 0xff, 0xff), /* 228-231 */
ARGB(255, 0x08, 0x08, 0x08),
ARGB(255, 0x12, 0x12, 0x12),
ARGB(255, 0x1c, 0x1c, 0x1c),
ARGB(255, 0x26, 0x26, 0x26), /* 232-235 */
ARGB(255, 0x30, 0x30, 0x30),
ARGB(255, 0x3a, 0x3a, 0x3a),
ARGB(255, 0x44, 0x44, 0x44),
ARGB(255, 0x4e, 0x4e, 0x4e), /* 236-239 */
ARGB(255, 0x58, 0x58, 0x58),
ARGB(255, 0x62, 0x62, 0x62),
ARGB(255, 0x6c, 0x6c, 0x6c),
ARGB(255, 0x76, 0x76, 0x76), /* 240-243 */
ARGB(255, 0x80, 0x80, 0x80),
ARGB(255, 0x8a, 0x8a, 0x8a),
ARGB(255, 0x94, 0x94, 0x94),
ARGB(255, 0x9e, 0x9e, 0x9e), /* 244-247 */
ARGB(255, 0xa8, 0xa8, 0xa8),
ARGB(255, 0xb2, 0xb2, 0xb2),
ARGB(255, 0xbc, 0xbc, 0xbc),
ARGB(255, 0xc6, 0xc6, 0xc6), /* 248-251 */
ARGB(255, 0xd0, 0xd0, 0xd0),
ARGB(255, 0xda, 0xda, 0xda),
ARGB(255, 0xe4, 0xe4, 0xe4),
ARGB(255, 0xee, 0xee, 0xee) /* 252-255 */
};
class UnknownImpl
{
private:
int numReferences;
public:
UnknownImpl()
: numReferences(0)
{
}
ULONG STDMETHODCALLTYPE AddRef()
{
return ++numReferences;
}
ULONG STDMETHODCALLTYPE Release()
{
ULONG result;
if (numReferences > 0)
{
--numReferences;
result = numReferences;
}
else
{
result = numReferences = 0;
}
return result;
}
};
class SixelFrameDecode : public IWICBitmapFrameDecode
{
public:
SixelFrameDecode(IWICImagingFactory *pIFactory, UINT num)
: factory(pIFactory)
, bitmapSource(NULL)
, palette(NULL)
, thumbnail(NULL)
, preview(NULL)
{
if (NULL != factory)
{
factory->AddRef();
}
}
virtual ~SixelFrameDecode()
{
}
// IUnknown Interface
STDMETHOD(QueryInterface)(REFIID iid, void **ppvObject)
{
HRESULT result = E_INVALIDARG;
if (ppvObject)
{
if (iid == IID_IUnknown)
{
*ppvObject = static_cast<IUnknown*>(this);
AddRef();
result = S_OK;
}
else if (iid == IID_IWICBitmapFrameDecode)
{
*ppvObject = static_cast<IWICBitmapFrameDecode*>(this);
AddRef();
result = S_OK;
}
else if (iid == IID_IWICBitmapSource)
{
::MessageBox(0, "Jl", 0, 0);
*ppvObject = bitmapSource;
if (NULL != bitmapSource)
{
bitmapSource->AddRef();
}
result = S_OK;
}
else
{
result = E_NOINTERFACE;
}
}
return result;
}
STDMETHOD_(ULONG, AddRef)()
{
return unknownImpl.AddRef();
}
STDMETHOD_(ULONG, Release)()
{
ULONG result = unknownImpl.Release();
if (0 == result)
{
delete this;
}
return result;
}
// IWICBitmapFrameDecode Interface
STDMETHOD(GetMetadataQueryReader)(
/* [out] */ IWICMetadataQueryReader **ppIMetadataQueryReader)
{
// ::MessageBox(NULL, "GetMetadataQueryReader", NULL, NULL);
return WINCODEC_ERR_UNSUPPORTEDOPERATION;
}
STDMETHOD(GetColorContexts)(
/* [in] */ UINT cCount,
/* [in] [out] */ IWICColorContext **ppIColorContexts,
/* [out] */ UINT *pcActualCount)
{
HRESULT result = S_OK;
if (ppIColorContexts == NULL)
{
//return the number of color contexts
if (pcActualCount != NULL)
{
*pcActualCount = 1;
}
else
{
result = E_INVALIDARG;
}
}
return result;
}
STDMETHOD(GetThumbnail)(
/* [out] */ IWICBitmapSource **ppIThumbnail)
{
::MessageBox(NULL, "GetThumbnail", NULL, NULL);
HRESULT result = S_OK;
if (NULL == ppIThumbnail)
{
result = E_INVALIDARG;
}
if (SUCCEEDED(result))
{
*ppIThumbnail = thumbnail;
if (NULL != thumbnail)
{
thumbnail->AddRef();
}
else
{
result = WINCODEC_ERR_CODECNOTHUMBNAIL;
}
}
return result;
}
// IWICBitmapSource Interface
STDMETHOD(GetSize)(
/* [out] */ UINT *puiWidth,
/* [out] */ UINT *puiHeight)
{
HRESULT result = E_UNEXPECTED;
if (bitmapSource)
{
result = bitmapSource->GetSize(puiWidth, puiHeight);
}
else
{
*puiWidth = 100;
*puiHeight = 100;
result = S_OK;
}
return result;
}
STDMETHOD(GetPixelFormat)(
/* [out] */ WICPixelFormatGUID *pPixelFormat)
{
HRESULT result = E_UNEXPECTED;
if (bitmapSource)
{
result = bitmapSource->GetPixelFormat(pPixelFormat);
}
else
{
*pPixelFormat = GUID_WICPixelFormat24bppRGB;
*pPixelFormat = GUID_WICPixelFormat8bppIndexed;
result = S_OK;
}
return result;
}
STDMETHOD(GetResolution)(
/* [out] */ double *pDpiX,
/* [out] */ double *pDpiY)
{
HRESULT result = E_UNEXPECTED;
if (bitmapSource)
{
result = bitmapSource->GetResolution(pDpiX, pDpiY);
}
else
{
*pDpiX = 75;
*pDpiY = 75;
result = S_OK;
}
return result;
}
STDMETHOD(CopyPalette)(/* [in] */ IWICPalette *pIPalette)
{
HRESULT result = S_OK;
UINT numColors = 0x100;
if (NULL == pIPalette)
{
result = E_INVALIDARG;
}
if (SUCCEEDED(result))
{
result = pIPalette->InitializeCustom(colortable, numColors);
}
// if (SUCCEEDED(result))
// ::MessageBox(NULL, "CopyPalette - 1", NULL, NULL);
// if (SUCCEEDED(result))
// {
// if (NULL != palette)
// {
// pIPalette->InitializeFromPalette(palette);
// }
// else
// {
// result = E_UNEXPECTED;
// }
// }
return result;
}
STDMETHOD(CopyPixels)(
/* [in] */ const WICRect *prc,
/* [in] */ UINT cbStride,
/* [in] */ UINT cbPixelsSize,
/* [out] */ BYTE *pbPixels
)
{
/*
typedef struct WICRect {
INT X;
INT Y;
INT Width;
INT Height;
} WICRect;
*/
char buf[256];
sprintf(buf,
"CopyPixels[%d][%d][%d][%d],stride=[%d],pixelsize=[%d]",
prc->X, prc->Y, prc->Width, prc->Height,
cbStride, cbPixelsSize);
//::MessageBox(NULL, buf, NULL, NULL);
HRESULT result = E_UNEXPECTED;
if (bitmapSource)
{
result = bitmapSource->CopyPixels(prc, cbStride, cbPixelsSize, pbPixels);
} else {
for (size_t i = 0; i < cbStride; ++i) {
pbPixels[i] = i % 256;
}
}
result = S_OK;
return result;
}
public:
IWICImagingFactory *factory;
IWICBitmapSource *bitmapSource;
IWICPalette *palette;
IWICBitmapSource *thumbnail;
IWICBitmapSource *preview;
private:
void ReleaseMembers()
{
if (factory)
{
factory->Release();
factory = NULL;
}
if (bitmapSource)
{
bitmapSource->Release();
bitmapSource = NULL;
}
if (palette)
{
palette->Release();
palette = NULL;
}
if (thumbnail)
{
thumbnail->Release();
thumbnail = NULL;
}
if (preview)
{
preview->Release();
preview = NULL;
}
}
UnknownImpl unknownImpl;
};
// IWICBitmapFrameDecode Interface
static HRESULT InputBitmapSource(IStream *stream, IWICImagingFactory *factory, IWICBitmapSource **bitmapSource)
{
HRESULT result = S_OK;
IWICBitmap *bitmap = NULL;
IWICBitmapLock *bitmapLock = NULL;
UINT width = 0, height = 0;
double dpiX = 0, dpiY = 0;
WICPixelFormatGUID pixelFormat = { 0 };
UINT srcStride = 0;
UINT destStride = 0;
BYTE *data = NULL;
UINT cbBufferSize = 0;
if ((NULL == stream) || (NULL == factory) || (NULL == bitmapSource))
{
result = E_INVALIDARG;
}
if (SUCCEEDED(result))
{
//InputValue(stream, width);
//InputValue(stream, height);
//InputValue(stream, dpiX);
//InputValue(stream, dpiY);
//InputValue(stream, srcStride);
//result = InputValue(stream, pixelFormat);
}
// Create the bitmap
if (SUCCEEDED(result))
{
result = factory->CreateBitmap(width, height,
pixelFormat,
WICBitmapCacheOnLoad,
&bitmap);
}
// Set the resolution
if (SUCCEEDED(result))
{
result = bitmap->SetResolution(dpiX, dpiY);
}
// Lock it so that we can store the data
if (SUCCEEDED(result))
{
WICRect rct;
rct.X = 0;
rct.Y = 0;
rct.Width = width;
rct.Height = height;
result = bitmap->Lock(&rct, WICBitmapLockWrite, &bitmapLock);
}
if (SUCCEEDED(result))
{
result = bitmapLock->GetDataPointer(&cbBufferSize, &data);
}
if (SUCCEEDED(result))
{
result = bitmapLock->GetStride(&destStride);
}
// Read the data from the stream
if (SUCCEEDED(result))
{
// We must read one scanline at a time because the input stride
// may not equal the output stride
for (UINT y = 0; y < height; y++)
{
//InputValues(stream, data, srcStride);
// Prepare for the next scanline
data += destStride;
}
}
// Close the lock
if (bitmapLock && bitmap)
{
if(bitmapLock)
{
bitmapLock->Release();
bitmapLock = NULL;
}
}
// Finish
if (SUCCEEDED(result))
{
result = bitmap->QueryInterface(IID_IWICBitmapSource, (void**)bitmapSource);
if (SUCCEEDED(result))
{
bitmap->Release();
}
}
else
{
if (bitmap)
{
bitmap->Release();
}
*bitmapSource = NULL;
}
return result;
}
static HRESULT InputBitmapPalette(IStream *stream, IWICImagingFactory *factory, IWICPalette **palette)
{
HRESULT result = S_OK;
WICColor *colors = NULL;
UINT numColors = 0;
if ((NULL == stream) || (NULL == factory) || (NULL == palette))
{
result = E_INVALIDARG;
}
// Create the palette
if (SUCCEEDED(result))
{
result = factory->CreatePalette(palette);
}
// Read the colors
if (SUCCEEDED(result))
{
// result = InputValue(stream, numColors);
}
if (SUCCEEDED(result))
{
colors = new WICColor[numColors];
if (NULL == colors)
{
result = E_OUTOFMEMORY;
}
}
if (SUCCEEDED(result))
{
// result = InputValues(stream, colors, numColors);
}
if (SUCCEEDED(result))
{
result = (*palette)->InitializeCustom(colors, numColors);
}
return result;
}
class SixelDecoder : public IWICBitmapDecoder
{
public:
SixelDecoder()
: factory(NULL) , palette(NULL) , thumbnail(NULL)
, preview(NULL) , p_frame(NULL)
{
}
virtual ~SixelDecoder()
{
ReleaseMembers(true);
}
// IUnknown Interface
STDMETHOD(QueryInterface)(REFIID iid, void **ppvObject)
{
HRESULT result = E_INVALIDARG;
if (ppvObject)
{
if (iid == IID_IUnknown)
{
*ppvObject = static_cast<IUnknown*>(this);
AddRef();
result = S_OK;
}
else if (iid == IID_IWICBitmapDecoder)
{
*ppvObject = static_cast<IWICBitmapDecoder*>(this);
AddRef();
result = S_OK;
}
else
{
result = E_NOINTERFACE;
}
}
return result;
}
STDMETHOD_(ULONG, AddRef)()
{
return unknownImpl.AddRef();
}
STDMETHOD_(ULONG, Release)()
{
ULONG result = unknownImpl.Release();
if (0 == result)
{
delete this;
}
return result;
}
// IWICBitmapDecoder Interface
STDMETHOD(QueryCapability)(
/* [in] */ IStream *pIStream,
/* [out] */ DWORD *pCapability)
{
HRESULT result = S_OK;
LARGE_INTEGER zero = { 0 };
ULARGE_INTEGER curPos = { 0 };
::MessageBox(NULL, "SixelDecoder::QueryCapability", NULL, NULL);
if ((NULL == pIStream) || (NULL == pCapability))
{
result = E_INVALIDARG;
}
if (SUCCEEDED(result))
{
result = pIStream->Seek(zero, STREAM_SEEK_CUR, &curPos);
}
if (SUCCEEDED(result))
{
*pCapability = WICBitmapDecoderCapabilityCanDecodeAllImages ||
WICBitmapDecoderCapabilityCanDecodeThumbnail;
*pCapability = WICBitmapDecoderCapabilityCanDecodeAllImages ||
WICBitmapDecoderCapabilityCanDecodeThumbnail ||
WICBitmapDecoderCapabilityCanEnumerateMetadata ||
WICBitmapDecoderCapabilitySameEncoder;
}
return result;
}
STDMETHOD(Initialize)(
/* [in] */ IStream *pIStream,
/* [in] */ WICDecodeOptions cacheOptions)
{
// ::MessageBox(NULL, "Initialize", NULL, NULL);
HRESULT result = S_OK;
ULONG numRead = 0;
UINT cbBufferSize = 0;
ReleaseMembers(true);
if (pIStream == NULL) {
return E_INVALIDARG;
}
UINT width = 1024;
UINT height = 1024;
double dpiX = 75;
double dpiY = 75;
UINT destStride = 0;
BYTE *data = NULL;
IWICBitmap *bitmap = NULL;
IWICBitmapLock *bitmapLock = NULL;
IWICBitmapSource **bitmapSource;
WICPixelFormatGUID pixelFormat = { 0 };
// pixelFormat = GUID_WICPixelFormat32bppBGRA;
pixelFormat = GUID_WICPixelFormat32bppPBGRA;
//pixelFormat = GUID_WICPixelFormat8bppIndexed;
VerifyFactory();
if (!SUCCEEDED(result))
{
return result;
}
result = factory->CreateBitmap(width, height,
pixelFormat,
WICBitmapCacheOnLoad, &bitmap);
if (!SUCCEEDED(result))
{
return result;
}
result = bitmap->SetResolution(dpiX, dpiY);
// Set the resolution
if (!SUCCEEDED(result))
{
bitmap->Release();
return result;
}
// Lock it so that we can store the data
WICRect rect;
rect.X = 0;
rect.Y = 0;
rect.Width = width;
rect.Height = height;
result = bitmap->Lock(&rect, WICBitmapLockWrite, &bitmapLock);
if (!SUCCEEDED(result))
{
bitmap->Release();
return result;
}
result = bitmapLock->GetDataPointer(&cbBufferSize, &data);
if (!SUCCEEDED(result))
{
bitmap->Release();
bitmapLock->Release();
return result;
}
result = bitmapLock->GetStride(&destStride);
if (!SUCCEEDED(result))
{
bitmap->Release();
bitmapLock->Release();
return result;
}
// We must read one scanline at a time because the input stride
// may not equal the output stride
for (UINT y = 0; y < height; y++)
{
for (UINT x = 0; x < width; ++x) {
data[x * 4 + 0] = x % 256;
data[x * 4 + 1] = x % 256;
data[x * 4 + 2] = x % 256;
data[x * 4 + 3] = 0xff;
}
// Prepare for the next scanline
data += destStride;
}
// Read the data from the stream
if (!SUCCEEDED(result))
{
return result;
}
// Close the lock
bitmapLock->Release();
bitmap->Release();
CHAR buffer[1024];
CHAR c;
enum STATE {
STATE_GROUND = 0,
STATE_ESC,
STATE_DCS,
STATE_DCS_ESC,
STATE_OSC,
STATE_OSC_ESC,
};
int state;
int dcs_state;
int i;
while (result == S_OK) {
result = pIStream->Read(&buffer, sizeof(buffer), &numRead);
if (numRead <= 0) {
break;
}
//char buf2[16];
//sprintf(buf2, "[%d]", (int)numRead);
//::MessageBox(NULL, buf2, NULL, NULL);
for (i = 0; i < numRead; ++i)
{
c = buffer[c];
switch (state) {
case STATE_GROUND: