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author | Lei Zhang <thestig@chromium.org> | 2018-04-25 17:35:21 +0000 |
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committer | Chromium commit bot <commit-bot@chromium.org> | 2018-04-25 17:35:21 +0000 |
commit | 7b01255ef62f8df5cdd3053fd42c5c501274186d (patch) | |
tree | 09ac126ca9ba7eae7e581f57be0f815b28a9e232 /core/fxge/win32/fx_win32_dwrite.cpp | |
parent | d9da586dd3dbaa35706ac274e2fef8b73b867b22 (diff) | |
download | pdfium-7b01255ef62f8df5cdd3053fd42c5c501274186d.tar.xz |
Remove CDWriteExt.
It is never used.
Change-Id: I09220eb16a4679c8499079c3c1375574f6fc0450
Reviewed-on: https://pdfium-review.googlesource.com/31300
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'core/fxge/win32/fx_win32_dwrite.cpp')
-rw-r--r-- | core/fxge/win32/fx_win32_dwrite.cpp | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/core/fxge/win32/fx_win32_dwrite.cpp b/core/fxge/win32/fx_win32_dwrite.cpp deleted file mode 100644 index 4d4f45f947..0000000000 --- a/core/fxge/win32/fx_win32_dwrite.cpp +++ /dev/null @@ -1,446 +0,0 @@ -// 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 <dwrite.h> - -#include "core/fxcrt/fx_system.h" -#include "core/fxge/cfx_cliprgn.h" -#include "core/fxge/win32/dwrite_int.h" - -typedef HRESULT(__stdcall* FuncType_DWriteCreateFactory)( - __in DWRITE_FACTORY_TYPE, - __in REFIID, - __out IUnknown**); -template <typename InterfaceType> -inline void SafeRelease(InterfaceType** currentObject) { - if (*currentObject) { - (*currentObject)->Release(); - *currentObject = nullptr; - } -} -template <typename InterfaceType> -inline InterfaceType* SafeAcquire(InterfaceType* newObject) { - if (newObject) { - newObject->AddRef(); - } - return newObject; -} - -class CDwFontFileStream final : public IDWriteFontFileStream { - public: - explicit CDwFontFileStream(void const* fontFileReferenceKey, - UINT32 fontFileReferenceKeySize); - - // IUnknown. - HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, - void** ppvObject) override; - ULONG STDMETHODCALLTYPE AddRef() override; - ULONG STDMETHODCALLTYPE Release() override; - - // IDWriteFontFileStream. - HRESULT STDMETHODCALLTYPE - ReadFileFragment(void const** fragmentStart, - UINT64 fileOffset, - UINT64 fragmentSize, - OUT void** fragmentContext) override; - void STDMETHODCALLTYPE ReleaseFileFragment(void* fragmentContext) override; - HRESULT STDMETHODCALLTYPE GetFileSize(OUT UINT64* fileSize) override; - HRESULT STDMETHODCALLTYPE - GetLastWriteTime(OUT UINT64* lastWriteTime) override; - - bool IsInitialized() { return !!resourcePtr_; } - - private: - ULONG refCount_; - void const* resourcePtr_; - DWORD resourceSize_; -}; - -class CDwFontFileLoader final : public IDWriteFontFileLoader { - public: - // IUnknown. - HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, - void** ppvObject) override; - ULONG STDMETHODCALLTYPE AddRef() override; - ULONG STDMETHODCALLTYPE Release() override; - - // IDWriteFontFileLoader. - HRESULT STDMETHODCALLTYPE - CreateStreamFromKey(void const* fontFileReferenceKey, - UINT32 fontFileReferenceKeySize, - OUT IDWriteFontFileStream** fontFileStream) override; - - static IDWriteFontFileLoader* GetLoader() { - if (!instance_) { - instance_ = new CDwFontFileLoader(); - } - return instance_; - } - static bool IsLoaderInitialized() { return !!instance_; } - - private: - CDwFontFileLoader(); - ULONG refCount_; - static IDWriteFontFileLoader* instance_; -}; - -class CDwFontContext { - public: - explicit CDwFontContext(IDWriteFactory* dwriteFactory); - ~CDwFontContext(); - - HRESULT Initialize(); - - private: - CDwFontContext(CDwFontContext const&); - void operator=(CDwFontContext const&); - HRESULT hr_; - IDWriteFactory* dwriteFactory_; -}; - -class CDwGdiTextRenderer { - public: - CDwGdiTextRenderer(const RetainPtr<CFX_DIBitmap>& pBitmap, - IDWriteBitmapRenderTarget* bitmapRenderTarget, - IDWriteRenderingParams* renderingParams); - ~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: - RetainPtr<CFX_DIBitmap> pBitmap_; - IDWriteBitmapRenderTarget* pRenderTarget_; - IDWriteRenderingParams* pRenderingParams_; -}; - -CDWriteExt::CDWriteExt() - : m_hModule(nullptr), - m_pDWriteFactory(nullptr), - m_pDwFontContext(nullptr), - m_pDwTextRenderer(nullptr) {} - -void CDWriteExt::Load() {} - -void CDWriteExt::Unload() { - if (m_pDwFontContext) { - delete (CDwFontContext*)m_pDwFontContext; - m_pDwFontContext = nullptr; - } - SafeRelease((IDWriteFactory**)&m_pDWriteFactory); -} - -CDWriteExt::~CDWriteExt() { - Unload(); -} - -LPVOID CDWriteExt::DwCreateFontFaceFromStream(uint8_t* pData, - uint32_t size, - int simulation_style) { - IDWriteFactory* pDwFactory = (IDWriteFactory*)m_pDWriteFactory; - IDWriteFontFile* pDwFontFile = nullptr; - IDWriteFontFace* pDwFontFace = nullptr; - 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 nullptr; -} - -bool CDWriteExt::DwCreateRenderingTarget(const RetainPtr<CFX_DIBitmap>& pBitmap, - void** renderTarget) { - if (pBitmap->GetFormat() > FXDIB_Argb) { - return false; - } - IDWriteFactory* pDwFactory = (IDWriteFactory*)m_pDWriteFactory; - IDWriteGdiInterop* pGdiInterop = nullptr; - IDWriteBitmapRenderTarget* pBitmapRenderTarget = nullptr; - IDWriteRenderingParams* pRenderingParams = nullptr; - HRESULT hr = S_OK; - hr = pDwFactory->GetGdiInterop(&pGdiInterop); - if (FAILED(hr)) { - goto failed; - } - hr = pGdiInterop->CreateBitmapRenderTarget( - nullptr, 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 = - new CDwGdiTextRenderer(pBitmap, pBitmapRenderTarget, pRenderingParams); - SafeRelease(&pGdiInterop); - SafeRelease(&pBitmapRenderTarget); - SafeRelease(&pRenderingParams); - return true; -failed: - SafeRelease(&pGdiInterop); - SafeRelease(&pBitmapRenderTarget); - SafeRelease(&pRenderingParams); - return false; -} - -bool CDWriteExt::DwRendingString(void* renderTarget, - CFX_ClipRgn* pClipRgn, - FX_RECT& stringRect, - CFX_Matrix* pMatrix, - void* font, - float font_size, - FX_ARGB text_color, - int glyph_count, - unsigned short* glyph_indices, - float baselineOriginX, - float baselineOriginY, - void* glyph_offsets, - float* glyph_advances) { - if (!renderTarget) { - 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 : nullptr, baselineOriginX, - baselineOriginY, DWRITE_MEASURING_MODE_NATURAL, &glyphRun, - RGB(FXARGB_R(text_color), FXARGB_G(text_color), FXARGB_B(text_color))); - return SUCCEEDED(hr); -} - -void CDWriteExt::DwDeleteRenderingTarget(void* 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; - } - *ppvObject = nullptr; - 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<uint8_t const*>(resourcePtr_) + - static_cast<size_t>(fileOffset); - *fragmentContext = nullptr; - return S_OK; - } - *fragmentStart = nullptr; - *fragmentContext = nullptr; - 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_ = nullptr; -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; - } - *ppvObject = nullptr; - return E_NOINTERFACE; -} - -ULONG STDMETHODCALLTYPE CDwFontFileLoader::AddRef() { - return InterlockedIncrement((long*)(&refCount_)); -} - -ULONG STDMETHODCALLTYPE CDwFontFileLoader::Release() { - ULONG newCount = InterlockedDecrement((long*)(&refCount_)); - if (newCount == 0) { - instance_ = nullptr; - delete this; - } - return newCount; -} - -HRESULT STDMETHODCALLTYPE CDwFontFileLoader::CreateStreamFromKey( - void const* fontFileReferenceKey, - UINT32 fontFileReferenceKeySize, - OUT IDWriteFontFileStream** fontFileStream) { - *fontFileStream = nullptr; - CDwFontFileStream* stream = - new CDwFontFileStream(fontFileReferenceKey, fontFileReferenceKeySize); - 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( - const RetainPtr<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); - auto dib = pdfium::MakeRetain<CFX_DIBitmap>(); - dib->Create(bitmap.bmWidth, bitmap.bmHeight, - bitmap.bmBitsPixel == 24 ? FXDIB_Rgb : FXDIB_Rgb32, - (uint8_t*)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, nullptr); - 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; -} |