skia WIPjarred/canvas

2 files changed, 91 insertions, 0 deletions

diff --git a/src/deps/skia/include/utils/mac/BUILD.bazel b/src/deps/skia/include/utils/mac/BUILD.bazel
new file mode 100644
index 000000000..5af933472
--- /dev/null
+++ b/src/deps/skia/include/utils/mac/BUILD.bazel
@@ -0,0 +1,13 @@
+load("//bazel:macros.bzl", "generated_cc_atom")
+
+generated_cc_atom(
+    name = "SkCGUtils_hdr",
+    hdrs = ["SkCGUtils.h"],
+    visibility = ["//:__subpackages__"],
+    deps = [
+        "//include/core:SkImageInfo_hdr",
+        "//include/core:SkImage_hdr",
+        "//include/core:SkPixmap_hdr",
+        "//include/core:SkSize_hdr",
+    ],
+)
diff --git a/src/deps/skia/include/utils/mac/SkCGUtils.h b/src/deps/skia/include/utils/mac/SkCGUtils.h
new file mode 100644
index 000000000..a320dd8d4
--- /dev/null
+++ b/src/deps/skia/include/utils/mac/SkCGUtils.h
@@ -0,0 +1,78 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef SkCGUtils_DEFINED
+#define SkCGUtils_DEFINED
+
+#include "include/core/SkImage.h"
+#include "include/core/SkImageInfo.h"
+#include "include/core/SkPixmap.h"
+#include "include/core/SkSize.h"
+
+#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
+
+#ifdef SK_BUILD_FOR_MAC
+#include <ApplicationServices/ApplicationServices.h>
+#endif
+
+#ifdef SK_BUILD_FOR_IOS
+#include <CoreGraphics/CoreGraphics.h>
+#endif
+
+class SkBitmap;
+class SkData;
+class SkPixmap;
+class SkStreamRewindable;
+
+SK_API CGContextRef SkCreateCGContext(const SkPixmap&);
+
+/**
+ *  Given a CGImage, allocate an SkBitmap and copy the image's pixels into it. If scaleToFit is not
+ *  null, use it to determine the size of the bitmap, and scale the image to fill the bitmap.
+ *  Otherwise use the image's width/height.
+ *
+ *  On failure, return false, and leave bitmap unchanged.
+ */
+SK_API bool SkCreateBitmapFromCGImage(SkBitmap* dst, CGImageRef src);
+
+SK_API sk_sp<SkImage> SkMakeImageFromCGImage(CGImageRef);
+
+/**
+ *  Copy the pixels from src into the memory specified by info/rowBytes/dstPixels. On failure,
+ *  return false (e.g. ImageInfo incompatible with src).
+ */
+SK_API bool SkCopyPixelsFromCGImage(const SkImageInfo& info, size_t rowBytes, void* dstPixels,
+                                    CGImageRef src);
+static inline bool SkCopyPixelsFromCGImage(const SkPixmap& dst, CGImageRef src) {
+    return SkCopyPixelsFromCGImage(dst.info(), dst.rowBytes(), dst.writable_addr(), src);
+}
+
+/**
+ *  Create an imageref from the specified bitmap using the specified colorspace.
+ *  If space is NULL, then CGColorSpaceCreateDeviceRGB() is used.
+ */
+SK_API CGImageRef SkCreateCGImageRefWithColorspace(const SkBitmap& bm,
+                                                   CGColorSpaceRef space);
+
+/**
+ *  Create an imageref from the specified bitmap using the colorspace returned
+ *  by CGColorSpaceCreateDeviceRGB()
+ */
+static inline CGImageRef SkCreateCGImageRef(const SkBitmap& bm) {
+    return SkCreateCGImageRefWithColorspace(bm, nil);
+}
+
+/**
+ *  Draw the bitmap into the specified CG context. The bitmap will be converted
+ *  to a CGImage using the generic RGB colorspace. (x,y) specifies the position
+ *  of the top-left corner of the bitmap. The bitmap is converted using the
+ *  colorspace returned by CGColorSpaceCreateDeviceRGB()
+ */
+void SkCGDrawBitmap(CGContextRef, const SkBitmap&, float x, float y);
+
+#endif  // defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
+#endif  // SkCGUtils_DEFINED