diff options
Diffstat (limited to 'core/src/fxge/win32/fx_win32_dwrite.cpp')
| -rw-r--r-- | core/src/fxge/win32/fx_win32_dwrite.cpp | 960 |
1 files changed, 480 insertions, 480 deletions
diff --git a/core/src/fxge/win32/fx_win32_dwrite.cpp b/core/src/fxge/win32/fx_win32_dwrite.cpp index d4c962036e..2c275a88c8 100644 --- a/core/src/fxge/win32/fx_win32_dwrite.cpp +++ b/core/src/fxge/win32/fx_win32_dwrite.cpp @@ -1,480 +1,480 @@ -// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "../../../include/fxge/fx_ge.h"
-#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_
-#include "../../../include/fxge/fx_ge_win32.h"
-#include "dwrite_int.h"
-#include "../Microsoft SDK/include/DWrite.h"
-typedef HRESULT (__stdcall *FuncType_DWriteCreateFactory)(__in DWRITE_FACTORY_TYPE, __in REFIID, __out IUnknown **);
-template <typename InterfaceType>
-inline void SafeRelease(InterfaceType** currentObject)
-{
- if (*currentObject != NULL) {
- (*currentObject)->Release();
- *currentObject = NULL;
- }
-}
-template <typename InterfaceType>
-inline InterfaceType* SafeAcquire(InterfaceType* newObject)
-{
- if (newObject != NULL) {
- newObject->AddRef();
- }
- return newObject;
-}
-class CDwFontFileStream : public IDWriteFontFileStream, public CFX_Object
-{
-public:
- explicit CDwFontFileStream(void const* fontFileReferenceKey, UINT32 fontFileReferenceKeySize);
- virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** ppvObject);
- virtual ULONG STDMETHODCALLTYPE AddRef();
- virtual ULONG STDMETHODCALLTYPE Release();
- virtual HRESULT STDMETHODCALLTYPE ReadFileFragment(void const** fragmentStart, UINT64 fileOffset, UINT64 fragmentSize, OUT void** fragmentContext);
- virtual void STDMETHODCALLTYPE ReleaseFileFragment(void* fragmentContext);
- virtual HRESULT STDMETHODCALLTYPE GetFileSize(OUT UINT64* fileSize);
- virtual HRESULT STDMETHODCALLTYPE GetLastWriteTime(OUT UINT64* lastWriteTime);
- bool IsInitialized()
- {
- return resourcePtr_ != NULL;
- }
-private:
- ULONG refCount_;
- void const* resourcePtr_;
- DWORD resourceSize_;
-};
-class CDwFontFileLoader : public IDWriteFontFileLoader, public CFX_Object
-{
-public:
- virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** ppvObject);
- virtual ULONG STDMETHODCALLTYPE AddRef();
- virtual ULONG STDMETHODCALLTYPE Release();
- virtual HRESULT STDMETHODCALLTYPE CreateStreamFromKey(void const* fontFileReferenceKey, UINT32 fontFileReferenceKeySize, OUT IDWriteFontFileStream** fontFileStream);
-
- static IDWriteFontFileLoader* GetLoader()
- {
- if (instance_ == NULL) {
- instance_ = FX_NEW CDwFontFileLoader();
- return instance_;
- }
- return instance_;
- }
- static bool IsLoaderInitialized()
- {
- return instance_ != NULL;
- }
-private:
- CDwFontFileLoader();
- ULONG refCount_;
- static IDWriteFontFileLoader* instance_;
-};
-class CDwFontContext : public CFX_Object
-{
-public:
- CDwFontContext(IDWriteFactory* dwriteFactory);
- ~CDwFontContext();
- HRESULT Initialize();
-private:
- CDwFontContext(CDwFontContext const&);
- void operator=(CDwFontContext const&);
- HRESULT hr_;
- IDWriteFactory* dwriteFactory_;
-};
-class CDwGdiTextRenderer : public CFX_Object
-{
-public:
- CDwGdiTextRenderer(
- CFX_DIBitmap* pBitmap,
- IDWriteBitmapRenderTarget* bitmapRenderTarget,
- IDWriteRenderingParams* renderingParams
- );
- CDwGdiTextRenderer::~CDwGdiTextRenderer();
- HRESULT STDMETHODCALLTYPE DrawGlyphRun(
- const FX_RECT& text_bbox,
- __in_opt CFX_ClipRgn* pClipRgn,
- __in_opt DWRITE_MATRIX const* pMatrix,
- FLOAT baselineOriginX,
- FLOAT baselineOriginY,
- DWRITE_MEASURING_MODE measuringMode,
- __in DWRITE_GLYPH_RUN const* glyphRun,
- const COLORREF& textColor
- );
-private:
- CFX_DIBitmap* pBitmap_;
- IDWriteBitmapRenderTarget* pRenderTarget_;
- IDWriteRenderingParams* pRenderingParams_;
-};
-CDWriteExt::CDWriteExt()
-{
- m_hModule = NULL;
- m_pDWriteFactory = NULL;
- m_pDwFontContext = NULL;
- m_pDwTextRenderer = NULL;
-}
-void CDWriteExt::Load()
-{
-}
-void CDWriteExt::Unload()
-{
- if (m_pDwFontContext) {
- delete (CDwFontContext*)m_pDwFontContext;
- m_pDwFontContext = NULL;
- }
- SafeRelease((IDWriteFactory**)&m_pDWriteFactory);
-}
-CDWriteExt::~CDWriteExt()
-{
- Unload();
-}
-LPVOID CDWriteExt::DwCreateFontFaceFromStream(FX_LPBYTE pData, FX_DWORD size, int simulation_style)
-{
- IDWriteFactory* pDwFactory = (IDWriteFactory*)m_pDWriteFactory;
- IDWriteFontFile* pDwFontFile = NULL;
- IDWriteFontFace* pDwFontFace = NULL;
- BOOL isSupportedFontType = FALSE;
- DWRITE_FONT_FILE_TYPE fontFileType;
- DWRITE_FONT_FACE_TYPE fontFaceType;
- UINT32 numberOfFaces;
- DWRITE_FONT_SIMULATIONS fontStyle = (DWRITE_FONT_SIMULATIONS)(simulation_style & 3);
- HRESULT hr = S_OK;
- hr = pDwFactory->CreateCustomFontFileReference(
- (void const*)pData,
- (UINT32)size,
- CDwFontFileLoader::GetLoader(),
- &pDwFontFile
- );
- if (FAILED(hr)) {
- goto failed;
- }
- hr = pDwFontFile->Analyze(
- &isSupportedFontType,
- &fontFileType,
- &fontFaceType,
- &numberOfFaces
- );
- if (FAILED(hr) || !isSupportedFontType || fontFaceType == DWRITE_FONT_FACE_TYPE_UNKNOWN) {
- goto failed;
- }
- hr = pDwFactory->CreateFontFace(
- fontFaceType,
- 1,
- &pDwFontFile,
- 0,
- fontStyle,
- &pDwFontFace
- );
- if (FAILED(hr)) {
- goto failed;
- }
- SafeRelease(&pDwFontFile);
- return pDwFontFace;
-failed:
- SafeRelease(&pDwFontFile);
- return NULL;
-}
-FX_BOOL CDWriteExt::DwCreateRenderingTarget(CFX_DIBitmap* pBitmap, void** renderTarget)
-{
- if (pBitmap->GetFormat() > FXDIB_Argb) {
- return FALSE;
- }
- IDWriteFactory* pDwFactory = (IDWriteFactory*)m_pDWriteFactory;
- IDWriteGdiInterop* pGdiInterop = NULL;
- IDWriteBitmapRenderTarget* pBitmapRenderTarget = NULL;
- IDWriteRenderingParams* pRenderingParams = NULL;
- HRESULT hr = S_OK;
- hr = pDwFactory->GetGdiInterop(&pGdiInterop);
- if (FAILED(hr)) {
- goto failed;
- }
- hr = pGdiInterop->CreateBitmapRenderTarget(NULL, pBitmap->GetWidth(), pBitmap->GetHeight(),
- &pBitmapRenderTarget);
- if (FAILED(hr)) {
- goto failed;
- }
- hr = pDwFactory->CreateCustomRenderingParams(
- 1.0f,
- 0.0f,
- 1.0f,
- DWRITE_PIXEL_GEOMETRY_RGB,
- DWRITE_RENDERING_MODE_DEFAULT,
- &pRenderingParams
- );
- if (FAILED(hr)) {
- goto failed;
- }
- hr = pBitmapRenderTarget->SetPixelsPerDip(1.0f);
- if (FAILED(hr)) {
- goto failed;
- }
- *(CDwGdiTextRenderer**)renderTarget = FX_NEW CDwGdiTextRenderer(pBitmap, pBitmapRenderTarget, pRenderingParams);
- if (*(CDwGdiTextRenderer**)renderTarget == NULL) {
- goto failed;
- }
- SafeRelease(&pGdiInterop);
- SafeRelease(&pBitmapRenderTarget);
- SafeRelease(&pRenderingParams);
- return TRUE;
-failed:
- SafeRelease(&pGdiInterop);
- SafeRelease(&pBitmapRenderTarget);
- SafeRelease(&pRenderingParams);
- return FALSE;
-}
-FX_BOOL CDWriteExt::DwRendingString(void* renderTarget, CFX_ClipRgn* pClipRgn, FX_RECT& stringRect, CFX_AffineMatrix* pMatrix,
- void *font, FX_FLOAT font_size, FX_ARGB text_color,
- int glyph_count, unsigned short* glyph_indices,
- FX_FLOAT baselineOriginX, FX_FLOAT baselineOriginY,
- void* glyph_offsets,
- FX_FLOAT* glyph_advances)
-{
- if (renderTarget == NULL) {
- return TRUE;
- }
- CDwGdiTextRenderer* pTextRenderer = (CDwGdiTextRenderer*)renderTarget;
- DWRITE_MATRIX transform;
- DWRITE_GLYPH_RUN glyphRun;
- HRESULT hr = S_OK;
- if (pMatrix) {
- transform.m11 = pMatrix->a;
- transform.m12 = pMatrix->b;
- transform.m21 = pMatrix->c;
- transform.m22 = pMatrix->d;
- transform.dx = pMatrix->e;
- transform.dy = pMatrix->f;
- }
- glyphRun.fontFace = (IDWriteFontFace*)font;
- glyphRun.fontEmSize = font_size;
- glyphRun.glyphCount = glyph_count;
- glyphRun.glyphIndices = glyph_indices;
- glyphRun.glyphAdvances = glyph_advances;
- glyphRun.glyphOffsets = (DWRITE_GLYPH_OFFSET*)glyph_offsets;
- glyphRun.isSideways = FALSE;
- glyphRun.bidiLevel = 0;
- hr = pTextRenderer->DrawGlyphRun(
- stringRect,
- pClipRgn,
- pMatrix ? &transform : NULL,
- baselineOriginX, baselineOriginY,
- DWRITE_MEASURING_MODE_NATURAL,
- &glyphRun,
- RGB(FXARGB_R(text_color), FXARGB_G(text_color), FXARGB_B(text_color))
- );
- return SUCCEEDED(hr) ? TRUE : FALSE;
-}
-void CDWriteExt::DwDeleteRenderingTarget(void* renderTarget)
-{
- if (renderTarget) {
- delete (CDwGdiTextRenderer*)renderTarget;
- }
-}
-void CDWriteExt::DwDeleteFont(void* pFont)
-{
- if (pFont) {
- SafeRelease((IDWriteFontFace**)&pFont);
- }
-}
-CDwFontFileStream::CDwFontFileStream(void const* fontFileReferenceKey, UINT32 fontFileReferenceKeySize)
-{
- refCount_ = 0;
- resourcePtr_ = fontFileReferenceKey;
- resourceSize_ = fontFileReferenceKeySize;
-}
-HRESULT STDMETHODCALLTYPE CDwFontFileStream::QueryInterface(REFIID iid, void** ppvObject)
-{
- if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontFileStream)) {
- *ppvObject = this;
- AddRef();
- return S_OK;
- } else {
- *ppvObject = NULL;
- return E_NOINTERFACE;
- }
-}
-ULONG STDMETHODCALLTYPE CDwFontFileStream::AddRef()
-{
- return InterlockedIncrement((long*)(&refCount_));
-}
-ULONG STDMETHODCALLTYPE CDwFontFileStream::Release()
-{
- ULONG newCount = InterlockedDecrement((long*)(&refCount_));
- if (newCount == 0) {
- delete this;
- }
- return newCount;
-}
-HRESULT STDMETHODCALLTYPE CDwFontFileStream::ReadFileFragment(
- void const** fragmentStart,
- UINT64 fileOffset,
- UINT64 fragmentSize,
- OUT void** fragmentContext
-)
-{
- if (fileOffset <= resourceSize_ &&
- fragmentSize <= resourceSize_ - fileOffset) {
- *fragmentStart = static_cast<FX_BYTE const*>(resourcePtr_) + static_cast<size_t>(fileOffset);
- *fragmentContext = NULL;
- return S_OK;
- } else {
- *fragmentStart = NULL;
- *fragmentContext = NULL;
- return E_FAIL;
- }
-}
-void STDMETHODCALLTYPE CDwFontFileStream::ReleaseFileFragment(void* fragmentContext)
-{
-}
-HRESULT STDMETHODCALLTYPE CDwFontFileStream::GetFileSize(OUT UINT64* fileSize)
-{
- *fileSize = resourceSize_;
- return S_OK;
-}
-HRESULT STDMETHODCALLTYPE CDwFontFileStream::GetLastWriteTime(OUT UINT64* lastWriteTime)
-{
- *lastWriteTime = 0;
- return E_NOTIMPL;
-}
-IDWriteFontFileLoader* CDwFontFileLoader::instance_ = NULL;
-CDwFontFileLoader::CDwFontFileLoader() :
- refCount_(0)
-{
-}
-HRESULT STDMETHODCALLTYPE CDwFontFileLoader::QueryInterface(REFIID iid, void** ppvObject)
-{
- if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontFileLoader)) {
- *ppvObject = this;
- AddRef();
- return S_OK;
- } else {
- *ppvObject = NULL;
- return E_NOINTERFACE;
- }
-}
-ULONG STDMETHODCALLTYPE CDwFontFileLoader::AddRef()
-{
- return InterlockedIncrement((long*)(&refCount_));
-}
-ULONG STDMETHODCALLTYPE CDwFontFileLoader::Release()
-{
- ULONG newCount = InterlockedDecrement((long*)(&refCount_));
- if (newCount == 0) {
- instance_ = NULL;
- delete this;
- }
- return newCount;
-}
-HRESULT STDMETHODCALLTYPE CDwFontFileLoader::CreateStreamFromKey(
- void const* fontFileReferenceKey,
- UINT32 fontFileReferenceKeySize,
- OUT IDWriteFontFileStream** fontFileStream
-)
-{
- *fontFileStream = NULL;
- CDwFontFileStream* stream = FX_NEW CDwFontFileStream(fontFileReferenceKey, fontFileReferenceKeySize);
- if (stream == NULL) {
- return E_OUTOFMEMORY;
- }
- if (!stream->IsInitialized()) {
- delete stream;
- return E_FAIL;
- }
- *fontFileStream = SafeAcquire(stream);
- return S_OK;
-}
-CDwFontContext::CDwFontContext(IDWriteFactory* dwriteFactory) :
- hr_(S_FALSE),
- dwriteFactory_(SafeAcquire(dwriteFactory))
-{
-}
-CDwFontContext::~CDwFontContext()
-{
- if(dwriteFactory_ && hr_ == S_OK) {
- dwriteFactory_->UnregisterFontFileLoader(CDwFontFileLoader::GetLoader());
- }
- SafeRelease(&dwriteFactory_);
-}
-HRESULT CDwFontContext::Initialize()
-{
- if (hr_ == S_FALSE) {
- return hr_ = dwriteFactory_->RegisterFontFileLoader(CDwFontFileLoader::GetLoader());
- }
- return hr_;
-}
-CDwGdiTextRenderer::CDwGdiTextRenderer(CFX_DIBitmap* pBitmap, IDWriteBitmapRenderTarget* bitmapRenderTarget, IDWriteRenderingParams* renderingParams):
- pBitmap_(pBitmap),
- pRenderTarget_(SafeAcquire(bitmapRenderTarget)),
- pRenderingParams_(SafeAcquire(renderingParams))
-{
-}
-CDwGdiTextRenderer::~CDwGdiTextRenderer()
-{
- SafeRelease(&pRenderTarget_);
- SafeRelease(&pRenderingParams_);
-}
-STDMETHODIMP CDwGdiTextRenderer::DrawGlyphRun(
- const FX_RECT& text_bbox,
- __in_opt CFX_ClipRgn* pClipRgn,
- __in_opt DWRITE_MATRIX const* pMatrix,
- FLOAT baselineOriginX,
- FLOAT baselineOriginY,
- DWRITE_MEASURING_MODE measuringMode,
- __in DWRITE_GLYPH_RUN const* glyphRun,
- const COLORREF& textColor
-)
-{
- HRESULT hr = S_OK;
- if (pMatrix) {
- hr = pRenderTarget_->SetCurrentTransform(pMatrix);
- if (FAILED(hr)) {
- return hr;
- }
- }
- HDC hDC = pRenderTarget_->GetMemoryDC();
- HBITMAP hBitmap = (HBITMAP)::GetCurrentObject(hDC, OBJ_BITMAP);
- BITMAP bitmap;
- GetObject(hBitmap, sizeof bitmap, &bitmap);
- CFX_DIBitmap dib;
- dib.Create(
- bitmap.bmWidth,
- bitmap.bmHeight,
- bitmap.bmBitsPixel == 24 ? FXDIB_Rgb : FXDIB_Rgb32,
- (FX_LPBYTE)bitmap.bmBits
- );
- dib.CompositeBitmap(
- text_bbox.left,
- text_bbox.top,
- text_bbox.Width(),
- text_bbox.Height(),
- pBitmap_,
- text_bbox.left,
- text_bbox.top,
- FXDIB_BLEND_NORMAL,
- NULL
- );
- hr = pRenderTarget_->DrawGlyphRun(
- baselineOriginX,
- baselineOriginY,
- measuringMode,
- glyphRun,
- pRenderingParams_,
- textColor
- );
- if (FAILED(hr)) {
- return hr;
- }
- pBitmap_->CompositeBitmap(
- text_bbox.left,
- text_bbox.top,
- text_bbox.Width(),
- text_bbox.Height(),
- &dib,
- text_bbox.left,
- text_bbox.top,
- FXDIB_BLEND_NORMAL,
- pClipRgn
- );
- return hr;
-}
-#endif
+// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "../../../include/fxge/fx_ge.h" +#if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_ +#include "../../../include/fxge/fx_ge_win32.h" +#include "dwrite_int.h" +#include "../Microsoft SDK/include/DWrite.h" +typedef HRESULT (__stdcall *FuncType_DWriteCreateFactory)(__in DWRITE_FACTORY_TYPE, __in REFIID, __out IUnknown **); +template <typename InterfaceType> +inline void SafeRelease(InterfaceType** currentObject) +{ + if (*currentObject != NULL) { + (*currentObject)->Release(); + *currentObject = NULL; + } +} +template <typename InterfaceType> +inline InterfaceType* SafeAcquire(InterfaceType* newObject) +{ + if (newObject != NULL) { + newObject->AddRef(); + } + return newObject; +} +class CDwFontFileStream : public IDWriteFontFileStream, public CFX_Object +{ +public: + explicit CDwFontFileStream(void const* fontFileReferenceKey, UINT32 fontFileReferenceKeySize); + virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** ppvObject); + virtual ULONG STDMETHODCALLTYPE AddRef(); + virtual ULONG STDMETHODCALLTYPE Release(); + virtual HRESULT STDMETHODCALLTYPE ReadFileFragment(void const** fragmentStart, UINT64 fileOffset, UINT64 fragmentSize, OUT void** fragmentContext); + virtual void STDMETHODCALLTYPE ReleaseFileFragment(void* fragmentContext); + virtual HRESULT STDMETHODCALLTYPE GetFileSize(OUT UINT64* fileSize); + virtual HRESULT STDMETHODCALLTYPE GetLastWriteTime(OUT UINT64* lastWriteTime); + bool IsInitialized() + { + return resourcePtr_ != NULL; + } +private: + ULONG refCount_; + void const* resourcePtr_; + DWORD resourceSize_; +}; +class CDwFontFileLoader : public IDWriteFontFileLoader, public CFX_Object +{ +public: + virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** ppvObject); + virtual ULONG STDMETHODCALLTYPE AddRef(); + virtual ULONG STDMETHODCALLTYPE Release(); + virtual HRESULT STDMETHODCALLTYPE CreateStreamFromKey(void const* fontFileReferenceKey, UINT32 fontFileReferenceKeySize, OUT IDWriteFontFileStream** fontFileStream); + + static IDWriteFontFileLoader* GetLoader() + { + if (instance_ == NULL) { + instance_ = FX_NEW CDwFontFileLoader(); + return instance_; + } + return instance_; + } + static bool IsLoaderInitialized() + { + return instance_ != NULL; + } +private: + CDwFontFileLoader(); + ULONG refCount_; + static IDWriteFontFileLoader* instance_; +}; +class CDwFontContext : public CFX_Object +{ +public: + CDwFontContext(IDWriteFactory* dwriteFactory); + ~CDwFontContext(); + HRESULT Initialize(); +private: + CDwFontContext(CDwFontContext const&); + void operator=(CDwFontContext const&); + HRESULT hr_; + IDWriteFactory* dwriteFactory_; +}; +class CDwGdiTextRenderer : public CFX_Object +{ +public: + CDwGdiTextRenderer( + CFX_DIBitmap* pBitmap, + IDWriteBitmapRenderTarget* bitmapRenderTarget, + IDWriteRenderingParams* renderingParams + ); + CDwGdiTextRenderer::~CDwGdiTextRenderer(); + HRESULT STDMETHODCALLTYPE DrawGlyphRun( + const FX_RECT& text_bbox, + __in_opt CFX_ClipRgn* pClipRgn, + __in_opt DWRITE_MATRIX const* pMatrix, + FLOAT baselineOriginX, + FLOAT baselineOriginY, + DWRITE_MEASURING_MODE measuringMode, + __in DWRITE_GLYPH_RUN const* glyphRun, + const COLORREF& textColor + ); +private: + CFX_DIBitmap* pBitmap_; + IDWriteBitmapRenderTarget* pRenderTarget_; + IDWriteRenderingParams* pRenderingParams_; +}; +CDWriteExt::CDWriteExt() +{ + m_hModule = NULL; + m_pDWriteFactory = NULL; + m_pDwFontContext = NULL; + m_pDwTextRenderer = NULL; +} +void CDWriteExt::Load() +{ +} +void CDWriteExt::Unload() +{ + if (m_pDwFontContext) { + delete (CDwFontContext*)m_pDwFontContext; + m_pDwFontContext = NULL; + } + SafeRelease((IDWriteFactory**)&m_pDWriteFactory); +} +CDWriteExt::~CDWriteExt() +{ + Unload(); +} +LPVOID CDWriteExt::DwCreateFontFaceFromStream(FX_LPBYTE pData, FX_DWORD size, int simulation_style) +{ + IDWriteFactory* pDwFactory = (IDWriteFactory*)m_pDWriteFactory; + IDWriteFontFile* pDwFontFile = NULL; + IDWriteFontFace* pDwFontFace = NULL; + BOOL isSupportedFontType = FALSE; + DWRITE_FONT_FILE_TYPE fontFileType; + DWRITE_FONT_FACE_TYPE fontFaceType; + UINT32 numberOfFaces; + DWRITE_FONT_SIMULATIONS fontStyle = (DWRITE_FONT_SIMULATIONS)(simulation_style & 3); + HRESULT hr = S_OK; + hr = pDwFactory->CreateCustomFontFileReference( + (void const*)pData, + (UINT32)size, + CDwFontFileLoader::GetLoader(), + &pDwFontFile + ); + if (FAILED(hr)) { + goto failed; + } + hr = pDwFontFile->Analyze( + &isSupportedFontType, + &fontFileType, + &fontFaceType, + &numberOfFaces + ); + if (FAILED(hr) || !isSupportedFontType || fontFaceType == DWRITE_FONT_FACE_TYPE_UNKNOWN) { + goto failed; + } + hr = pDwFactory->CreateFontFace( + fontFaceType, + 1, + &pDwFontFile, + 0, + fontStyle, + &pDwFontFace + ); + if (FAILED(hr)) { + goto failed; + } + SafeRelease(&pDwFontFile); + return pDwFontFace; +failed: + SafeRelease(&pDwFontFile); + return NULL; +} +FX_BOOL CDWriteExt::DwCreateRenderingTarget(CFX_DIBitmap* pBitmap, void** renderTarget) +{ + if (pBitmap->GetFormat() > FXDIB_Argb) { + return FALSE; + } + IDWriteFactory* pDwFactory = (IDWriteFactory*)m_pDWriteFactory; + IDWriteGdiInterop* pGdiInterop = NULL; + IDWriteBitmapRenderTarget* pBitmapRenderTarget = NULL; + IDWriteRenderingParams* pRenderingParams = NULL; + HRESULT hr = S_OK; + hr = pDwFactory->GetGdiInterop(&pGdiInterop); + if (FAILED(hr)) { + goto failed; + } + hr = pGdiInterop->CreateBitmapRenderTarget(NULL, pBitmap->GetWidth(), pBitmap->GetHeight(), + &pBitmapRenderTarget); + if (FAILED(hr)) { + goto failed; + } + hr = pDwFactory->CreateCustomRenderingParams( + 1.0f, + 0.0f, + 1.0f, + DWRITE_PIXEL_GEOMETRY_RGB, + DWRITE_RENDERING_MODE_DEFAULT, + &pRenderingParams + ); + if (FAILED(hr)) { + goto failed; + } + hr = pBitmapRenderTarget->SetPixelsPerDip(1.0f); + if (FAILED(hr)) { + goto failed; + } + *(CDwGdiTextRenderer**)renderTarget = FX_NEW CDwGdiTextRenderer(pBitmap, pBitmapRenderTarget, pRenderingParams); + if (*(CDwGdiTextRenderer**)renderTarget == NULL) { + goto failed; + } + SafeRelease(&pGdiInterop); + SafeRelease(&pBitmapRenderTarget); + SafeRelease(&pRenderingParams); + return TRUE; +failed: + SafeRelease(&pGdiInterop); + SafeRelease(&pBitmapRenderTarget); + SafeRelease(&pRenderingParams); + return FALSE; +} +FX_BOOL CDWriteExt::DwRendingString(void* renderTarget, CFX_ClipRgn* pClipRgn, FX_RECT& stringRect, CFX_AffineMatrix* pMatrix, + void *font, FX_FLOAT font_size, FX_ARGB text_color, + int glyph_count, unsigned short* glyph_indices, + FX_FLOAT baselineOriginX, FX_FLOAT baselineOriginY, + void* glyph_offsets, + FX_FLOAT* glyph_advances) +{ + if (renderTarget == NULL) { + return TRUE; + } + CDwGdiTextRenderer* pTextRenderer = (CDwGdiTextRenderer*)renderTarget; + DWRITE_MATRIX transform; + DWRITE_GLYPH_RUN glyphRun; + HRESULT hr = S_OK; + if (pMatrix) { + transform.m11 = pMatrix->a; + transform.m12 = pMatrix->b; + transform.m21 = pMatrix->c; + transform.m22 = pMatrix->d; + transform.dx = pMatrix->e; + transform.dy = pMatrix->f; + } + glyphRun.fontFace = (IDWriteFontFace*)font; + glyphRun.fontEmSize = font_size; + glyphRun.glyphCount = glyph_count; + glyphRun.glyphIndices = glyph_indices; + glyphRun.glyphAdvances = glyph_advances; + glyphRun.glyphOffsets = (DWRITE_GLYPH_OFFSET*)glyph_offsets; + glyphRun.isSideways = FALSE; + glyphRun.bidiLevel = 0; + hr = pTextRenderer->DrawGlyphRun( + stringRect, + pClipRgn, + pMatrix ? &transform : NULL, + baselineOriginX, baselineOriginY, + DWRITE_MEASURING_MODE_NATURAL, + &glyphRun, + RGB(FXARGB_R(text_color), FXARGB_G(text_color), FXARGB_B(text_color)) + ); + return SUCCEEDED(hr) ? TRUE : FALSE; +} +void CDWriteExt::DwDeleteRenderingTarget(void* renderTarget) +{ + if (renderTarget) { + delete (CDwGdiTextRenderer*)renderTarget; + } +} +void CDWriteExt::DwDeleteFont(void* pFont) +{ + if (pFont) { + SafeRelease((IDWriteFontFace**)&pFont); + } +} +CDwFontFileStream::CDwFontFileStream(void const* fontFileReferenceKey, UINT32 fontFileReferenceKeySize) +{ + refCount_ = 0; + resourcePtr_ = fontFileReferenceKey; + resourceSize_ = fontFileReferenceKeySize; +} +HRESULT STDMETHODCALLTYPE CDwFontFileStream::QueryInterface(REFIID iid, void** ppvObject) +{ + if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontFileStream)) { + *ppvObject = this; + AddRef(); + return S_OK; + } else { + *ppvObject = NULL; + return E_NOINTERFACE; + } +} +ULONG STDMETHODCALLTYPE CDwFontFileStream::AddRef() +{ + return InterlockedIncrement((long*)(&refCount_)); +} +ULONG STDMETHODCALLTYPE CDwFontFileStream::Release() +{ + ULONG newCount = InterlockedDecrement((long*)(&refCount_)); + if (newCount == 0) { + delete this; + } + return newCount; +} +HRESULT STDMETHODCALLTYPE CDwFontFileStream::ReadFileFragment( + void const** fragmentStart, + UINT64 fileOffset, + UINT64 fragmentSize, + OUT void** fragmentContext +) +{ + if (fileOffset <= resourceSize_ && + fragmentSize <= resourceSize_ - fileOffset) { + *fragmentStart = static_cast<FX_BYTE const*>(resourcePtr_) + static_cast<size_t>(fileOffset); + *fragmentContext = NULL; + return S_OK; + } else { + *fragmentStart = NULL; + *fragmentContext = NULL; + return E_FAIL; + } +} +void STDMETHODCALLTYPE CDwFontFileStream::ReleaseFileFragment(void* fragmentContext) +{ +} +HRESULT STDMETHODCALLTYPE CDwFontFileStream::GetFileSize(OUT UINT64* fileSize) +{ + *fileSize = resourceSize_; + return S_OK; +} +HRESULT STDMETHODCALLTYPE CDwFontFileStream::GetLastWriteTime(OUT UINT64* lastWriteTime) +{ + *lastWriteTime = 0; + return E_NOTIMPL; +} +IDWriteFontFileLoader* CDwFontFileLoader::instance_ = NULL; +CDwFontFileLoader::CDwFontFileLoader() : + refCount_(0) +{ +} +HRESULT STDMETHODCALLTYPE CDwFontFileLoader::QueryInterface(REFIID iid, void** ppvObject) +{ + if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontFileLoader)) { + *ppvObject = this; + AddRef(); + return S_OK; + } else { + *ppvObject = NULL; + return E_NOINTERFACE; + } +} +ULONG STDMETHODCALLTYPE CDwFontFileLoader::AddRef() +{ + return InterlockedIncrement((long*)(&refCount_)); +} +ULONG STDMETHODCALLTYPE CDwFontFileLoader::Release() +{ + ULONG newCount = InterlockedDecrement((long*)(&refCount_)); + if (newCount == 0) { + instance_ = NULL; + delete this; + } + return newCount; +} +HRESULT STDMETHODCALLTYPE CDwFontFileLoader::CreateStreamFromKey( + void const* fontFileReferenceKey, + UINT32 fontFileReferenceKeySize, + OUT IDWriteFontFileStream** fontFileStream +) +{ + *fontFileStream = NULL; + CDwFontFileStream* stream = FX_NEW CDwFontFileStream(fontFileReferenceKey, fontFileReferenceKeySize); + if (stream == NULL) { + return E_OUTOFMEMORY; + } + if (!stream->IsInitialized()) { + delete stream; + return E_FAIL; + } + *fontFileStream = SafeAcquire(stream); + return S_OK; +} +CDwFontContext::CDwFontContext(IDWriteFactory* dwriteFactory) : + hr_(S_FALSE), + dwriteFactory_(SafeAcquire(dwriteFactory)) +{ +} +CDwFontContext::~CDwFontContext() +{ + if(dwriteFactory_ && hr_ == S_OK) { + dwriteFactory_->UnregisterFontFileLoader(CDwFontFileLoader::GetLoader()); + } + SafeRelease(&dwriteFactory_); +} +HRESULT CDwFontContext::Initialize() +{ + if (hr_ == S_FALSE) { + return hr_ = dwriteFactory_->RegisterFontFileLoader(CDwFontFileLoader::GetLoader()); + } + return hr_; +} +CDwGdiTextRenderer::CDwGdiTextRenderer(CFX_DIBitmap* pBitmap, IDWriteBitmapRenderTarget* bitmapRenderTarget, IDWriteRenderingParams* renderingParams): + pBitmap_(pBitmap), + pRenderTarget_(SafeAcquire(bitmapRenderTarget)), + pRenderingParams_(SafeAcquire(renderingParams)) +{ +} +CDwGdiTextRenderer::~CDwGdiTextRenderer() +{ + SafeRelease(&pRenderTarget_); + SafeRelease(&pRenderingParams_); +} +STDMETHODIMP CDwGdiTextRenderer::DrawGlyphRun( + const FX_RECT& text_bbox, + __in_opt CFX_ClipRgn* pClipRgn, + __in_opt DWRITE_MATRIX const* pMatrix, + FLOAT baselineOriginX, + FLOAT baselineOriginY, + DWRITE_MEASURING_MODE measuringMode, + __in DWRITE_GLYPH_RUN const* glyphRun, + const COLORREF& textColor +) +{ + HRESULT hr = S_OK; + if (pMatrix) { + hr = pRenderTarget_->SetCurrentTransform(pMatrix); + if (FAILED(hr)) { + return hr; + } + } + HDC hDC = pRenderTarget_->GetMemoryDC(); + HBITMAP hBitmap = (HBITMAP)::GetCurrentObject(hDC, OBJ_BITMAP); + BITMAP bitmap; + GetObject(hBitmap, sizeof bitmap, &bitmap); + CFX_DIBitmap dib; + dib.Create( + bitmap.bmWidth, + bitmap.bmHeight, + bitmap.bmBitsPixel == 24 ? FXDIB_Rgb : FXDIB_Rgb32, + (FX_LPBYTE)bitmap.bmBits + ); + dib.CompositeBitmap( + text_bbox.left, + text_bbox.top, + text_bbox.Width(), + text_bbox.Height(), + pBitmap_, + text_bbox.left, + text_bbox.top, + FXDIB_BLEND_NORMAL, + NULL + ); + hr = pRenderTarget_->DrawGlyphRun( + baselineOriginX, + baselineOriginY, + measuringMode, + glyphRun, + pRenderingParams_, + textColor + ); + if (FAILED(hr)) { + return hr; + } + pBitmap_->CompositeBitmap( + text_bbox.left, + text_bbox.top, + text_bbox.Width(), + text_bbox.Height(), + &dib, + text_bbox.left, + text_bbox.top, + FXDIB_BLEND_NORMAL, + pClipRgn + ); + return hr; +} +#endif |