From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 gfx/thebes/gfxQuartzSurface.cpp | 137 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 gfx/thebes/gfxQuartzSurface.cpp

(limited to 'gfx/thebes/gfxQuartzSurface.cpp')

diff --git a/gfx/thebes/gfxQuartzSurface.cpp b/gfx/thebes/gfxQuartzSurface.cpp
new file mode 100644
index 000000000..99553e0c0
--- /dev/null
+++ b/gfx/thebes/gfxQuartzSurface.cpp
@@ -0,0 +1,137 @@
+/* -*- 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/. */
+
+#include "gfxQuartzSurface.h"
+#include "gfxContext.h"
+#include "gfxImageSurface.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/gfx/HelpersCairo.h"
+
+#include "cairo-quartz.h"
+
+void
+gfxQuartzSurface::MakeInvalid()
+{
+    mSize = mozilla::gfx::IntSize(-1, -1);
+}
+
+gfxQuartzSurface::gfxQuartzSurface(const mozilla::gfx::IntSize& desiredSize,
+                                   gfxImageFormat format)
+    : mCGContext(nullptr), mSize(desiredSize)
+{
+    if (!mozilla::gfx::Factory::CheckSurfaceSize(desiredSize))
+        MakeInvalid();
+
+    unsigned int width = static_cast<unsigned int>(mSize.width);
+    unsigned int height = static_cast<unsigned int>(mSize.height);
+
+    cairo_format_t cformat = GfxFormatToCairoFormat(format);
+    cairo_surface_t *surf = cairo_quartz_surface_create(cformat, width, height);
+
+    mCGContext = cairo_quartz_surface_get_cg_context (surf);
+
+    CGContextRetain(mCGContext);
+
+    Init(surf);
+    if (mSurfaceValid) {
+      RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface));
+    }
+}
+
+gfxQuartzSurface::gfxQuartzSurface(CGContextRef context,
+                                   const mozilla::gfx::IntSize& size)
+    : mCGContext(context), mSize(size)
+{
+    if (!mozilla::gfx::Factory::CheckSurfaceSize(size))
+        MakeInvalid();
+
+    unsigned int width = static_cast<unsigned int>(mSize.width);
+    unsigned int height = static_cast<unsigned int>(mSize.height);
+
+    cairo_surface_t *surf = 
+        cairo_quartz_surface_create_for_cg_context(context,
+                                                   width, height);
+
+    CGContextRetain(mCGContext);
+
+    Init(surf);
+    if (mSurfaceValid) {
+      RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface));
+    }
+}
+
+gfxQuartzSurface::gfxQuartzSurface(cairo_surface_t *csurf,
+                                   const mozilla::gfx::IntSize& aSize) :
+    mSize(aSize)
+{
+    mCGContext = cairo_quartz_surface_get_cg_context (csurf);
+    CGContextRetain (mCGContext);
+
+    Init(csurf, true);
+}
+
+gfxQuartzSurface::gfxQuartzSurface(unsigned char *data,
+                                   const mozilla::gfx::IntSize& aSize,
+                                   long stride,
+                                   gfxImageFormat format)
+    : mCGContext(nullptr), mSize(aSize.width, aSize.height)
+{
+    if (!mozilla::gfx::Factory::CheckSurfaceSize(aSize))
+        MakeInvalid();
+
+    cairo_format_t cformat = GfxFormatToCairoFormat(format);
+    cairo_surface_t *surf = cairo_quartz_surface_create_for_data
+        (data, cformat, aSize.width, aSize.height, stride);
+
+    mCGContext = cairo_quartz_surface_get_cg_context (surf);
+
+    CGContextRetain(mCGContext);
+
+    Init(surf);
+    if (mSurfaceValid) {
+      RecordMemoryUsed(mSize.height * stride + sizeof(gfxQuartzSurface));
+    }
+}
+
+already_AddRefed<gfxASurface>
+gfxQuartzSurface::CreateSimilarSurface(gfxContentType aType,
+                                       const mozilla::gfx::IntSize& aSize)
+{
+    cairo_surface_t *surface =
+        cairo_quartz_surface_create_cg_layer(mSurface, (cairo_content_t)aType,
+                                             aSize.width, aSize.height);
+    if (cairo_surface_status(surface)) {
+        cairo_surface_destroy(surface);
+        return nullptr;
+    }
+
+    RefPtr<gfxASurface> result = Wrap(surface, aSize);
+    cairo_surface_destroy(surface);
+    return result.forget();
+}
+
+already_AddRefed<gfxImageSurface> gfxQuartzSurface::GetAsImageSurface()
+{
+    cairo_surface_t *surface = cairo_quartz_surface_get_image(mSurface);
+    if (!surface || cairo_surface_status(surface))
+        return nullptr;
+
+    RefPtr<gfxASurface> img = Wrap(surface);
+
+    // cairo_quartz_surface_get_image returns a referenced image, and thebes
+    // shares the refcounts of Cairo surfaces. However, Wrap also adds a
+    // reference to the image. We need to remove one of these references
+    // explicitly so we don't leak.
+    img.get()->Release();
+
+    img->SetOpaqueRect(GetOpaqueRect());
+
+    return img.forget().downcast<gfxImageSurface>();
+}
+
+gfxQuartzSurface::~gfxQuartzSurface()
+{
+    CGContextRelease(mCGContext);
+}
-- 
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