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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /gfx/2d/NativeFontResourceGDI.cpp | |
parent | Initial commit. (diff) | |
download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/2d/NativeFontResourceGDI.cpp')
-rw-r--r-- | gfx/2d/NativeFontResourceGDI.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gfx/2d/NativeFontResourceGDI.cpp b/gfx/2d/NativeFontResourceGDI.cpp new file mode 100644 index 0000000000..f4a365da7a --- /dev/null +++ b/gfx/2d/NativeFontResourceGDI.cpp @@ -0,0 +1,52 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +#include "NativeFontResourceGDI.h" + +#include "Logging.h" +#include "mozilla/RefPtr.h" +#include "ScaledFontWin.h" +#include "UnscaledFontGDI.h" + +namespace mozilla { +namespace gfx { + +/* static */ +already_AddRefed<NativeFontResourceGDI> NativeFontResourceGDI::Create( + uint8_t* aFontData, uint32_t aDataLength) { + DWORD numberOfFontsAdded; + HANDLE fontResourceHandle = + ::AddFontMemResourceEx(aFontData, aDataLength, 0, &numberOfFontsAdded); + if (!fontResourceHandle) { + gfxWarning() << "Failed to add memory font resource."; + return nullptr; + } + + RefPtr<NativeFontResourceGDI> fontResouce = + new NativeFontResourceGDI(fontResourceHandle, aDataLength); + + return fontResouce.forget(); +} + +NativeFontResourceGDI::~NativeFontResourceGDI() { + ::RemoveFontMemResourceEx(mFontResourceHandle); +} + +already_AddRefed<UnscaledFont> NativeFontResourceGDI::CreateUnscaledFont( + uint32_t aIndex, const uint8_t* aInstanceData, + uint32_t aInstanceDataLength) { + if (aInstanceDataLength < sizeof(LOGFONT)) { + gfxWarning() << "GDI unscaled font instance data is truncated."; + return nullptr; + } + + const LOGFONT* logFont = reinterpret_cast<const LOGFONT*>(aInstanceData); + RefPtr<UnscaledFont> unscaledFont = new UnscaledFontGDI(*logFont); + return unscaledFont.forget(); +} + +} // namespace gfx +} // namespace mozilla |