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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/thebes/gfxDWriteCommon.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/thebes/gfxDWriteCommon.h')
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diff --git a/gfx/thebes/gfxDWriteCommon.h b/gfx/thebes/gfxDWriteCommon.h
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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GFX_DWRITECOMMON_H
+#define GFX_DWRITECOMMON_H
+
+// Mozilla includes
+#include "nscore.h"
+#include "nsIServiceManager.h"
+#include "nsCOMPtr.h"
+#include "cairo-features.h"
+#include "gfxFontConstants.h"
+#include "nsTArray.h"
+#include "gfxWindowsPlatform.h"
+#include "nsIUUIDGenerator.h"
+
+#include <windows.h>
+#include <dwrite.h>
+
+static inline DWRITE_FONT_STRETCH
+DWriteFontStretchFromStretch(int16_t aStretch)
+{
+ switch (aStretch) {
+ case NS_FONT_STRETCH_ULTRA_CONDENSED:
+ return DWRITE_FONT_STRETCH_ULTRA_CONDENSED;
+ case NS_FONT_STRETCH_EXTRA_CONDENSED:
+ return DWRITE_FONT_STRETCH_EXTRA_CONDENSED;
+ case NS_FONT_STRETCH_CONDENSED:
+ return DWRITE_FONT_STRETCH_CONDENSED;
+ case NS_FONT_STRETCH_SEMI_CONDENSED:
+ return DWRITE_FONT_STRETCH_SEMI_CONDENSED;
+ case NS_FONT_STRETCH_NORMAL:
+ return DWRITE_FONT_STRETCH_NORMAL;
+ case NS_FONT_STRETCH_SEMI_EXPANDED:
+ return DWRITE_FONT_STRETCH_SEMI_EXPANDED;
+ case NS_FONT_STRETCH_EXPANDED:
+ return DWRITE_FONT_STRETCH_EXPANDED;
+ case NS_FONT_STRETCH_EXTRA_EXPANDED:
+ return DWRITE_FONT_STRETCH_EXTRA_EXPANDED;
+ case NS_FONT_STRETCH_ULTRA_EXPANDED:
+ return DWRITE_FONT_STRETCH_ULTRA_EXPANDED;
+ default:
+ return DWRITE_FONT_STRETCH_UNDEFINED;
+ }
+}
+
+static inline int16_t
+FontStretchFromDWriteStretch(DWRITE_FONT_STRETCH aStretch)
+{
+ switch (aStretch) {
+ case DWRITE_FONT_STRETCH_ULTRA_CONDENSED:
+ return NS_FONT_STRETCH_ULTRA_CONDENSED;
+ case DWRITE_FONT_STRETCH_EXTRA_CONDENSED:
+ return NS_FONT_STRETCH_EXTRA_CONDENSED;
+ case DWRITE_FONT_STRETCH_CONDENSED:
+ return NS_FONT_STRETCH_CONDENSED;
+ case DWRITE_FONT_STRETCH_SEMI_CONDENSED:
+ return NS_FONT_STRETCH_SEMI_CONDENSED;
+ case DWRITE_FONT_STRETCH_NORMAL:
+ return NS_FONT_STRETCH_NORMAL;
+ case DWRITE_FONT_STRETCH_SEMI_EXPANDED:
+ return NS_FONT_STRETCH_SEMI_EXPANDED;
+ case DWRITE_FONT_STRETCH_EXPANDED:
+ return NS_FONT_STRETCH_EXPANDED;
+ case DWRITE_FONT_STRETCH_EXTRA_EXPANDED:
+ return NS_FONT_STRETCH_EXTRA_EXPANDED;
+ case DWRITE_FONT_STRETCH_ULTRA_EXPANDED:
+ return NS_FONT_STRETCH_ULTRA_EXPANDED;
+ default:
+ return NS_FONT_STRETCH_NORMAL;
+ }
+}
+
+struct ffReferenceKey
+{
+ FallibleTArray<uint8_t> *mArray;
+ nsID mGUID;
+};
+
+class gfxDWriteFontFileLoader : public IDWriteFontFileLoader
+{
+public:
+ gfxDWriteFontFileLoader()
+ {
+ }
+
+ // IUnknown interface
+ IFACEMETHOD(QueryInterface)(IID const& iid, OUT void** ppObject)
+ {
+ if (iid == __uuidof(IDWriteFontFileLoader)) {
+ *ppObject = static_cast<IDWriteFontFileLoader*>(this);
+ return S_OK;
+ } else if (iid == __uuidof(IUnknown)) {
+ *ppObject = static_cast<IUnknown*>(this);
+ return S_OK;
+ } else {
+ return E_NOINTERFACE;
+ }
+ }
+
+ IFACEMETHOD_(ULONG, AddRef)()
+ {
+ return 1;
+ }
+
+ IFACEMETHOD_(ULONG, Release)()
+ {
+ return 1;
+ }
+
+ // IDWriteFontFileLoader methods
+ /**
+ * Important! Note the key here -has- to be a pointer to a uint64_t.
+ */
+ virtual HRESULT STDMETHODCALLTYPE
+ CreateStreamFromKey(void const* fontFileReferenceKey,
+ UINT32 fontFileReferenceKeySize,
+ OUT IDWriteFontFileStream** fontFileStream);
+
+ /**
+ * Gets the singleton loader instance. Note that when using this font
+ * loader, the key must be a pointer to a unint64_t.
+ */
+ static IDWriteFontFileLoader* Instance()
+ {
+ if (!mInstance) {
+ mInstance = new gfxDWriteFontFileLoader();
+ gfxWindowsPlatform::GetPlatform()->GetDWriteFactory()->
+ RegisterFontFileLoader(mInstance);
+ }
+ return mInstance;
+ }
+
+ /**
+ * Creates a IDWriteFontFile and IDWriteFontFileStream from aFontData.
+ * aFontData will be empty on return as it swaps out the data.
+ *
+ * @param aFontData the font data for the custom font file
+ * @param aFontFile out param for the created font file
+ * @param aFontFileStream out param for the corresponding stream
+ * @return HRESULT of internal calls
+ */
+ static HRESULT CreateCustomFontFile(FallibleTArray<uint8_t>& aFontData,
+ IDWriteFontFile** aFontFile,
+ IDWriteFontFileStream** aFontFileStream);
+
+private:
+ static IDWriteFontFileLoader* mInstance;
+};
+
+#endif /* GFX_DWRITECOMMON_H */