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Gfx: Move WIC files to Util

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This commit is contained in:
Birunthan Mohanathas
2013-04-12 17:09:42 +03:00
parent 3827353c08
commit ad9149b143
10 changed files with 35 additions and 27 deletions
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136
Common/Gfx/Util/WICBitmapDIB.cpp Normal file
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/*
Copyright (C) 2013 Birunthan Mohanathas
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "WICBitmapDIB.h"
#include "WICBitmapLockDIB.h"
#include <cassert>
namespace Gfx {
namespace Util {
WICBitmapDIB::WICBitmapDIB() :
m_DIBSectionBuffer(),
m_DIBSectionBufferPixels(),
m_W(0),
m_H(0)
{
}
WICBitmapDIB::~WICBitmapDIB()
{
if (m_DIBSectionBuffer)
{
DeleteObject(m_DIBSectionBuffer);
m_DIBSectionBufferPixels = nullptr;
}
}
void WICBitmapDIB::Resize(UINT w, UINT h)
{
if (m_DIBSectionBuffer)
{
DeleteObject(m_DIBSectionBuffer);
m_DIBSectionBufferPixels = nullptr;
}
m_W = w;
m_H = h;
BITMAPV4HEADER bh = {sizeof(BITMAPV4HEADER)};
bh.bV4Width = (LONG)m_W;
bh.bV4Height = -(LONG)m_H; // Top-down DIB
bh.bV4Planes = 1;
bh.bV4BitCount = 32;
bh.bV4V4Compression = BI_BITFIELDS;
bh.bV4RedMask = 0x00FF0000;
bh.bV4GreenMask = 0x0000FF00;
bh.bV4BlueMask = 0x000000FF;
bh.bV4AlphaMask = 0xFF000000;
m_DIBSectionBuffer = CreateDIBSection(
nullptr,
(BITMAPINFO*)&bh,
DIB_RGB_COLORS,
(void**)&m_DIBSectionBufferPixels,
nullptr,
0);
assert(m_DIBSectionBufferPixels);
}
IFACEMETHODIMP WICBitmapDIB::QueryInterface(REFIID riid, void** ppvObject)
{
return E_NOTIMPL;
}
IFACEMETHODIMP_(ULONG) WICBitmapDIB::AddRef()
{
return 0;
}
IFACEMETHODIMP_(ULONG) WICBitmapDIB::Release()
{
return 0;
}
IFACEMETHODIMP WICBitmapDIB::GetSize(UINT* puiWidth, UINT* puiHeight)
{
if (puiWidth) *puiWidth = m_W;
if (puiHeight) *puiHeight = m_H;
return S_OK;
}
IFACEMETHODIMP WICBitmapDIB::GetPixelFormat(WICPixelFormatGUID* pPixelFormat)
{
*pPixelFormat = GUID_WICPixelFormat32bppPBGRA;
return S_OK;
}
IFACEMETHODIMP WICBitmapDIB::GetResolution(double* pDpiX, double* pDpiY)
{
return E_NOTIMPL;
}
IFACEMETHODIMP WICBitmapDIB::CopyPalette(IWICPalette* pIPalette)
{
return E_NOTIMPL;
}
IFACEMETHODIMP WICBitmapDIB::CopyPixels(const WICRect* prc, UINT cbStride, UINT cbBufferSize, BYTE* pbBuffer)
{
return E_NOTIMPL;
}
IFACEMETHODIMP WICBitmapDIB::Lock(const WICRect* prcLock, DWORD flags, IWICBitmapLock** ppILock)
{
if (ppILock) *ppILock = (IWICBitmapLock*)new WICBitmapLockDIB(this, prcLock);
return S_OK;
}
IFACEMETHODIMP WICBitmapDIB::SetPalette(IWICPalette* pIPalette)
{
return E_NOTIMPL;
}
IFACEMETHODIMP WICBitmapDIB::SetResolution(double dpiX, double dpiY)
{
return E_NOTIMPL;
}
} // namespace Util
} // namespace Gfx

74
Common/Gfx/Util/WICBitmapDIB.h Normal file
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/*
Copyright (C) 2013 Birunthan Mohanathas
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef RM_GFX_WICBITMAPDIB_H_
#define RM_GFX_WICBITMAPDIB_H_
#include <Windows.h>
#include <GdiPlus.h>
#include <wincodec.h>
namespace Gfx {
namespace Util {
// Allows the use of a DIB section (HBITMAP) in Direct2D as a WIC bitmap. It is assumed that this
// class is used only with 32bpp PARGB bitmaps and using a sigle thread.
//
// This class does not follow the COM reference count model. RTTI is used instead. This class
// implements only the bare essentials in order to use a DIB section as a Direct2D render target.
class WICBitmapDIB : public IWICBitmap
{
public:
WICBitmapDIB();
~WICBitmapDIB();
void Resize(UINT w, UINT h);
HBITMAP GetHandle() const { return m_DIBSectionBuffer; }
BYTE* GetData() const { return (BYTE*)m_DIBSectionBufferPixels; }
// IUnknown
IFACEMETHOD(QueryInterface)(REFIID riid, void** ppvObject);
IFACEMETHOD_(ULONG, AddRef)();
IFACEMETHOD_(ULONG, Release)();
// IWICBitmapSource
IFACEMETHOD(GetSize)(UINT* puiWidth, UINT* puiHeight);
IFACEMETHOD(GetPixelFormat)(WICPixelFormatGUID* pPixelFormat);
IFACEMETHOD(GetResolution)(double* pDpiX, double* pDpiY);
IFACEMETHOD(CopyPalette)(IWICPalette* pIPalette);
IFACEMETHOD(CopyPixels)(const WICRect* prc, UINT cbStride, UINT cbBufferSize, BYTE* pbBuffer);
// IWICBitmap
IFACEMETHOD(Lock)(const WICRect* prcLock, DWORD flags, IWICBitmapLock** ppILock);
IFACEMETHOD(SetPalette)(IWICPalette* pIPalette);
IFACEMETHOD(SetResolution)(double dpiX, double dpiY);
private:
friend class WICBitmapLockDIB;
HBITMAP m_DIBSectionBuffer;
LPDWORD m_DIBSectionBufferPixels;
UINT m_W;
UINT m_H;
};
} // namespace Util
} // namespace Gfx
#endif

91
Common/Gfx/Util/WICBitmapLockDIB.cpp Normal file
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/*
Copyright (C) 2013 Birunthan Mohanathas
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "WICBitmapLockDIB.h"
#include <cassert>
namespace Gfx {
namespace Util {
WICBitmapLockDIB::WICBitmapLockDIB(WICBitmapDIB* bitmap, const WICRect* lockRect) :
m_Bitmap(bitmap),
m_Rect(lockRect),
m_RefCount(1)
{
}
WICBitmapLockDIB::~WICBitmapLockDIB()
{
}
IFACEMETHODIMP WICBitmapLockDIB::QueryInterface(REFIID riid, void** ppvObject)
{
return E_NOTIMPL;
}
IFACEMETHODIMP_(ULONG) WICBitmapLockDIB::AddRef()
{
++m_RefCount;
return m_RefCount;
}
IFACEMETHODIMP_(ULONG) WICBitmapLockDIB::Release()
{
--m_RefCount;
if (m_RefCount == 0)
{
delete this;
return 0;
}
return m_RefCount;
}
IFACEMETHODIMP WICBitmapLockDIB::GetSize(UINT* puiWidth, UINT* puiHeight)
{
return m_Bitmap->GetSize(puiWidth, puiHeight);
}
IFACEMETHODIMP WICBitmapLockDIB::GetStride(UINT* pcbStride)
{
UINT width = 0;
m_Bitmap->GetSize(&width, nullptr);
if (pcbStride) *pcbStride = (width * 32 + 31) / 32 * 4;
return S_OK;
}
IFACEMETHODIMP WICBitmapLockDIB::GetDataPointer(UINT* pcbBufferSize, BYTE** ppbData)
{
UINT stride = 0;
GetStride(&stride);
if (pcbBufferSize) *pcbBufferSize = stride * m_Rect->Height;
if (ppbData) *ppbData = (BYTE*)&m_Bitmap->m_DIBSectionBufferPixels[m_Rect->Y * m_Rect->Width + m_Rect->X];
return S_OK;
}
IFACEMETHODIMP WICBitmapLockDIB::GetPixelFormat(WICPixelFormatGUID* pPixelFormat)
{
return m_Bitmap->GetPixelFormat(pPixelFormat);
}
} // namespace Util
} // namespace Gfx

60
Common/Gfx/Util/WICBitmapLockDIB.h Normal file
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/*
Copyright (C) 2013 Birunthan Mohanathas
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef RM_GFX_WICBITMAPLOCKDIB_H_
#define RM_GFX_WICBITMAPLOCKDIB_H_
#include <Windows.h>
#include <GdiPlus.h>
#include <wincodec.h>
#include "WICBitmapDIB.h"
namespace Gfx {
namespace Util {
// Implements the IWICBitmapLock interface for use with WICBitmapDIB. It is assumed that this
// class is used only with 32bpp PARGB bitmaps and using a sigle thread.
class WICBitmapLockDIB : public IWICBitmapLock
{
public:
WICBitmapLockDIB(WICBitmapDIB* bitmap, const WICRect* lockRect);
virtual ~WICBitmapLockDIB();
void Resize(UINT w, UINT h);
// IUnknown
IFACEMETHOD(QueryInterface)(REFIID riid, void** ppvObject);
IFACEMETHOD_(ULONG, AddRef)();
IFACEMETHOD_(ULONG, Release)();
// IWICBitmapLock
IFACEMETHOD(GetSize)(UINT* puiWidth, UINT* puiHeight);
IFACEMETHOD(GetStride)(UINT* pcbStride);
IFACEMETHOD(GetDataPointer)(UINT* pcbBufferSize, BYTE** ppbData);
IFACEMETHOD(GetPixelFormat)(WICPixelFormatGUID* pPixelFormat);
private:
WICBitmapDIB* m_Bitmap;
const WICRect* m_Rect;
UINT m_RefCount;
};
} // namespace Util
} // namespace Gfx
#endif

82
Common/Gfx/Util/WICBitmapLockGDIP.cpp Normal file
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/*
Copyright (C) 2013 Birunthan Mohanathas
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "WICBitmapLockGDIP.h"
#include <cassert>
namespace Gfx {
namespace Util {
WICBitmapLockGDIP::WICBitmapLockGDIP() :
m_RefCount(1)
{
}
IFACEMETHODIMP WICBitmapLockGDIP::QueryInterface(REFIID riid, void** ppvObject)
{
return E_NOTIMPL;
}
IFACEMETHODIMP_(ULONG) WICBitmapLockGDIP::AddRef()
{
++m_RefCount;
return m_RefCount;
}
IFACEMETHODIMP_(ULONG) WICBitmapLockGDIP::Release()
{
--m_RefCount;
if (m_RefCount == 0)
{
delete this;
return 0;
}
return m_RefCount;
}
IFACEMETHODIMP WICBitmapLockGDIP::GetSize(UINT* puiWidth, UINT* puiHeight)
{
*puiWidth = m_BitmapData.Width;
*puiHeight = m_BitmapData.Height;
return S_OK;
}
IFACEMETHODIMP WICBitmapLockGDIP::GetStride(UINT* pcbStride)
{
*pcbStride = m_BitmapData.Stride;
return S_OK;
}
IFACEMETHODIMP WICBitmapLockGDIP::GetDataPointer(UINT* pcbBufferSize, BYTE** ppbData)
{
assert(m_BitmapData.PixelFormat == PixelFormat32bppPARGB);
*pcbBufferSize = m_BitmapData.Stride * m_BitmapData.Height;
*ppbData = (BYTE*)m_BitmapData.Scan0;
return S_OK;
}
IFACEMETHODIMP WICBitmapLockGDIP::GetPixelFormat(WICPixelFormatGUID* pPixelFormat)
{
assert(m_BitmapData.PixelFormat == PixelFormat32bppPARGB);
*pPixelFormat = GUID_WICPixelFormat32bppPBGRA;
return S_OK;
}
} // namespace Util
} // namespace Gfx

57
Common/Gfx/Util/WICBitmapLockGDIP.h Normal file
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/*
Copyright (C) 2013 Birunthan Mohanathas
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef RM_GFX_WICBITMAPLOCKGDIP_H_
#define RM_GFX_WICBITMAPLOCKGDIP_H_
#include <Windows.h>
#include <GdiPlus.h>
#include <wincodec.h>
namespace Gfx {
namespace Util {
// Allows the creation of a shared ID2D1Bitmap using pixel data in a Gdiplus::Bitmap. It is
// assumed that this class is used only with 32bpp PARGB bitmaps and using a sigle thread.
class WICBitmapLockGDIP : public IWICBitmapLock
{
public:
WICBitmapLockGDIP();
Gdiplus::BitmapData* GetBitmapData() { return &m_BitmapData; }
// IUnknown
IFACEMETHOD(QueryInterface)(REFIID riid, void** ppvObject);
IFACEMETHOD_(ULONG, AddRef)();
IFACEMETHOD_(ULONG, Release)();
// IWICBitmapLock
IFACEMETHOD(GetSize)(UINT* puiWidth, UINT* puiHeight);
IFACEMETHOD(GetStride)(UINT* pcbStride);
IFACEMETHOD(GetDataPointer)(UINT* pcbBufferSize, BYTE** ppbData);
IFACEMETHOD(GetPixelFormat)(WICPixelFormatGUID* pPixelFormat);
private:
Gdiplus::BitmapData m_BitmapData;
UINT m_RefCount;
};
} // namespace Util
} // namespace Gfx
#endif