Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers...

[reactos.git] / dll / win32 / windowscodecs / colortransform.c

diff --git a/dll/win32/windowscodecs/colortransform.c b/dll/win32/windowscodecs/colortransform.c
new file mode 100644 (file)
index 0000000..6a3f7d1
--- /dev/null
+++ b/dll/win32/windowscodecs/colortransform.c
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2013 Hans Leidekker for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include "wincodecs_private.h"
+
+typedef struct ColorTransform {
+    IWICColorTransform IWICColorTransform_iface;
+    LONG ref;
+    IWICBitmapSource *dst;
+} ColorTransform;
+
+static inline ColorTransform *impl_from_IWICColorTransform(IWICColorTransform *iface)
+{
+    return CONTAINING_RECORD(iface, ColorTransform, IWICColorTransform_iface);
+}
+
+static HRESULT WINAPI ColorTransform_QueryInterface(IWICColorTransform *iface, REFIID iid,
+    void **ppv)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(iface);
+    TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
+
+    if (!ppv) return E_INVALIDARG;
+
+    if (IsEqualIID(&IID_IUnknown, iid) ||
+        IsEqualIID(&IID_IWICBitmapSource, iid) ||
+        IsEqualIID(&IID_IWICColorTransform, iid))
+    {
+        *ppv = &This->IWICColorTransform_iface;
+    }
+    else
+    {
+        *ppv = NULL;
+        return E_NOINTERFACE;
+    }
+
+    IUnknown_AddRef((IUnknown*)*ppv);
+    return S_OK;
+}
+
+static ULONG WINAPI ColorTransform_AddRef(IWICColorTransform *iface)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(iface);
+    ULONG ref = InterlockedIncrement(&This->ref);
+
+    TRACE("(%p) refcount=%u\n", iface, ref);
+
+    return ref;
+}
+
+static ULONG WINAPI ColorTransform_Release(IWICColorTransform *iface)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(iface);
+    ULONG ref = InterlockedDecrement(&This->ref);
+
+    TRACE("(%p) refcount=%u\n", iface, ref);
+
+    if (ref == 0)
+    {
+        if (This->dst) IWICBitmapSource_Release(This->dst);
+        HeapFree(GetProcessHeap(), 0, This);
+    }
+
+    return ref;
+}
+
+static HRESULT WINAPI ColorTransform_GetSize(IWICColorTransform *iface,
+    UINT *puiWidth, UINT *puiHeight)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(iface);
+    TRACE("(%p,%p,%p)\n", iface, puiWidth, puiHeight);
+
+    return IWICBitmapSource_GetSize(This->dst, puiWidth, puiHeight);
+}
+
+static HRESULT WINAPI ColorTransform_GetPixelFormat(IWICColorTransform *iface,
+    WICPixelFormatGUID *pPixelFormat)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(iface);
+    TRACE("(%p,%p)\n", iface, pPixelFormat);
+
+    return IWICBitmapSource_GetPixelFormat(This->dst, pPixelFormat);
+}
+
+static HRESULT WINAPI ColorTransform_GetResolution(IWICColorTransform *iface,
+    double *pDpiX, double *pDpiY)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(iface);
+    TRACE("(%p,%p,%p)\n", iface, pDpiX, pDpiY);
+
+    return IWICBitmapSource_GetResolution(This->dst, pDpiX, pDpiY);
+}
+
+static HRESULT WINAPI ColorTransform_CopyPalette(IWICColorTransform *iface,
+    IWICPalette *pIPalette)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(iface);
+    TRACE("(%p,%p)\n", iface, pIPalette);
+
+    return IWICBitmapSource_CopyPalette(This->dst, pIPalette);
+}
+
+static HRESULT WINAPI ColorTransform_CopyPixels(IWICColorTransform *iface,
+    const WICRect *prc, UINT cbStride, UINT cbBufferSize, BYTE *pbBuffer)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(iface);
+    TRACE("(%p,%p,%u,%u,%p)\n", iface, prc, cbStride, cbBufferSize, pbBuffer);
+
+    return IWICBitmapSource_CopyPixels(This->dst, prc, cbStride, cbBufferSize, pbBuffer);
+}
+
+static HRESULT WINAPI ColorTransform_Initialize(IWICColorTransform *iface,
+    IWICBitmapSource *pIBitmapSource, IWICColorContext *pIContextSource,
+    IWICColorContext *pIContextDest, REFWICPixelFormatGUID pixelFmtDest)
+{
+    ColorTransform *This = impl_from_IWICColorTransform(iface);
+    IWICBitmapSource *dst;
+    HRESULT hr;
+
+    TRACE("(%p,%p,%p,%p,%s)\n", iface, pIBitmapSource, pIContextSource,
+          pIContextDest, debugstr_guid(pixelFmtDest));
+
+    FIXME("ignoring color contexts\n");
+
+    hr = WICConvertBitmapSource(pixelFmtDest, pIBitmapSource, &dst);
+    if (FAILED(hr)) return hr;
+
+    if (This->dst) IWICBitmapSource_Release(This->dst);
+    This->dst = dst;
+    return S_OK;
+}
+
+static const IWICColorTransformVtbl ColorTransform_Vtbl = {
+    ColorTransform_QueryInterface,
+    ColorTransform_AddRef,
+    ColorTransform_Release,
+    ColorTransform_GetSize,
+    ColorTransform_GetPixelFormat,
+    ColorTransform_GetResolution,
+    ColorTransform_CopyPalette,
+    ColorTransform_CopyPixels,
+    ColorTransform_Initialize
+};
+
+HRESULT ColorTransform_Create(IWICColorTransform **colortransform)
+{
+    ColorTransform *This;
+
+    if (!colortransform) return E_INVALIDARG;
+
+    This = HeapAlloc(GetProcessHeap(), 0, sizeof(ColorTransform));
+    if (!This) return E_OUTOFMEMORY;
+
+    This->IWICColorTransform_iface.lpVtbl = &ColorTransform_Vtbl;
+    This->ref = 1;
+    This->dst = NULL;
+
+    *colortransform = &This->IWICColorTransform_iface;
+
+    return S_OK;
+}