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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/thebes/gfxWindowsSurface.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/thebes/gfxWindowsSurface.cpp')
-rw-r--r-- | gfx/thebes/gfxWindowsSurface.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/gfx/thebes/gfxWindowsSurface.cpp b/gfx/thebes/gfxWindowsSurface.cpp new file mode 100644 index 0000000000..419c9ee696 --- /dev/null +++ b/gfx/thebes/gfxWindowsSurface.cpp @@ -0,0 +1,122 @@ +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * 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 "gfxWindowsSurface.h" +#include "gfxContext.h" +#include "gfxPlatform.h" +#include "mozilla/gfx/2D.h" +#include "mozilla/gfx/HelpersCairo.h" +#include "mozilla/gfx/Logging.h" + +#include "cairo.h" +#include "cairo-win32.h" + +#include "nsString.h" + +gfxWindowsSurface::gfxWindowsSurface(HDC dc, uint32_t flags) + : mOwnsDC(false), mDC(dc), mWnd(nullptr) { + InitWithDC(flags); +} + +void gfxWindowsSurface::MakeInvalid(mozilla::gfx::IntSize& size) { + size = mozilla::gfx::IntSize(-1, -1); +} + +gfxWindowsSurface::gfxWindowsSurface(const mozilla::gfx::IntSize& realSize, + gfxImageFormat imageFormat) + : mOwnsDC(false), mWnd(nullptr) { + mozilla::gfx::IntSize size(realSize); + if (!mozilla::gfx::Factory::CheckSurfaceSize(size)) MakeInvalid(size); + + cairo_format_t cformat = GfxFormatToCairoFormat(imageFormat); + cairo_surface_t* surf = + cairo_win32_surface_create_with_dib(cformat, size.width, size.height); + + Init(surf); + + if (CairoStatus() == CAIRO_STATUS_SUCCESS) { + mDC = cairo_win32_surface_get_dc(CairoSurface()); + RecordMemoryUsed(size.width * size.height * 4 + sizeof(gfxWindowsSurface)); + } else { + mDC = nullptr; + } +} + +gfxWindowsSurface::gfxWindowsSurface(cairo_surface_t* csurf) + : mOwnsDC(false), mWnd(nullptr) { + if (cairo_surface_status(csurf) == 0) + mDC = cairo_win32_surface_get_dc(csurf); + else + mDC = nullptr; + + MOZ_ASSERT(cairo_surface_get_type(csurf) != + CAIRO_SURFACE_TYPE_WIN32_PRINTING); + + Init(csurf, true); +} + +void gfxWindowsSurface::InitWithDC(uint32_t flags) { + if (flags & FLAG_IS_TRANSPARENT) { + Init(cairo_win32_surface_create_with_format(mDC, CAIRO_FORMAT_ARGB32)); + } else { + Init(cairo_win32_surface_create(mDC)); + } +} + +gfxWindowsSurface::~gfxWindowsSurface() { + if (mOwnsDC) { + if (mWnd) + ::ReleaseDC(mWnd, mDC); + else + ::DeleteDC(mDC); + } +} + +HDC gfxWindowsSurface::GetDC() { + return cairo_win32_surface_get_dc(CairoSurface()); +} + +already_AddRefed<gfxImageSurface> gfxWindowsSurface::GetAsImageSurface() { + if (!mSurfaceValid) { + NS_WARNING( + "GetImageSurface on an invalid (null) surface; who's calling this " + "without checking for surface errors?"); + return nullptr; + } + + NS_ASSERTION( + CairoSurface() != nullptr, + "CairoSurface() shouldn't be nullptr when mSurfaceValid is TRUE!"); + + cairo_surface_t* isurf = cairo_win32_surface_get_image(CairoSurface()); + if (!isurf) return nullptr; + + RefPtr<gfxImageSurface> result = + gfxASurface::Wrap(isurf).downcast<gfxImageSurface>(); + result->SetOpaqueRect(GetOpaqueRect()); + + return result.forget(); +} + +const mozilla::gfx::IntSize gfxWindowsSurface::GetSize() const { + if (!mSurfaceValid) { + NS_WARNING( + "GetImageSurface on an invalid (null) surface; who's calling this " + "without checking for surface errors?"); + return mozilla::gfx::IntSize(-1, -1); + } + + NS_ASSERTION( + mSurface != nullptr, + "CairoSurface() shouldn't be nullptr when mSurfaceValid is TRUE!"); + + int width, height; + if (cairo_win32_surface_get_size(mSurface, &width, &height) != + CAIRO_STATUS_SUCCESS) { + return mozilla::gfx::IntSize(-1, -1); + } + + return mozilla::gfx::IntSize(width, height); +} |