// use a temp slice to hint to the compiler that a single bounds check suffices
				rgba := dpix[x : x+4 : len(dpix)]
				rgba[0] = uint8(r)
				rgba[1] = uint8(g)
				rgba[2] = uint8(b)
				rgba[3] = 255
			}
		}

	case image.YCbCrSubsampleRatio422:
		for y, sy := y0, sp.Y; y != y1; y, sy = y+1, sy+1 {
			dpix := dst.Pix[y*dst.Stride:]
			yi := (sy-src.Rect.Min.Y)*src.YStride + (sp.X - src.Rect.Min.X)

				if uint32(b)&0xff000000 == 0 {
					b >>= 16
				} else {
					b = ^(b >> 31)
				}


				// use a temp slice to hint to the compiler that a single bounds check suffices
				rgba := dpix[x : x+4 : len(dpix)]
				rgba[0] = uint8(r)
				rgba[1] = uint8(g)
				rgba[2] = uint8(b)
				rgba[3] = 255
			}
		}
`

var subsampleRatios = []string{
	"444",
	"422",
	"420",
	"440",
}

// limitations under the License.

// dot -Tpng src/docs/userguide/img/xctest-task-graph.dot > src/docs/userguide/img/xctest-task-graph.png
digraph xctestTaskGraph {
  graph [ dpi = 100, fontname="Sans"];
  node [fontname = "Sans"];
  edge [fontname = "Sans"];
  node [shape=rectangle, fixedsize=true, width=2.5, height=0.5];
  node [style=filled, fillcolor="#cfe2f3"]
  rankdir=LR

// limitations under the License.

// dot -Tpng src/docs/userguide/img/cpp-shared-library-task-graph.dot > src/docs/userguide/img/cpp-shared-library-task-graph.png
digraph cppSharedLibraryTaskGraph {
  graph [ dpi = 100, fontname="Sans"];
  node [fontname = "Sans"];
  edge [fontname = "Sans"];
  node [shape=rectangle, fixedsize=true, width=2.5, height=0.5];
  node [style=filled, fillcolor="#cfe2f3"]
  rankdir=LR

// limitations under the License.

// dot -Tpng src/docs/userguide/img/swift-sourcesets-compilation.dot > src/docs/userguide/img/swift-sourcesets-compilation.png
digraph swiftSourcesetsCompilation {
  graph [ dpi = 100, fontname="Sans"];
  node [fontname = "Sans"];
  edge [fontname = "Sans"];
  node [shape=rectangle, fixedsize=true, width=2.6, height=0.8];

  subgraph firstLine {

// limitations under the License.

// dot -Tpng src/docs/userguide/img/xctest-configurations.dot > src/docs/userguide/img/xctest-configurations.png
digraph xctestConfigurations {
  graph [ dpi = 100, fontname="Sans"];
  node [fontname = "Sans"];
  edge [fontname = "Sans"];
  node [shape=rectangle, fixedsize=true, width=3.5, height=0.5];

  subgraph central {
    node[style=filled, fillcolor=white]

// limitations under the License.

// dot -Tpng src/docs/userguide/img/swift-application-variant-task-graph.dot > src/docs/userguide/img/swift-application-variant-task-graph.png
digraph swiftLibraryVariantTaskGraph {
  graph [ dpi = 100, fontname="Sans"];
  node [fontname = "Sans"];
  edge [fontname = "Sans"];
  node [shape=rectangle, fixedsize=true, width=2.5, height=0.5];
  node [style="dashed,filled", fillcolor=grey]
  rankdir=LR

digraph configurations {
    rankdir = BT;
   graph [ dpi = 100, fontname="Sans"];
   node [fontname = "Sans"];
   edge [fontname = "Sans"];

   "api" [shape="box", label=<<B>api</B>>, color="chartreuse3", bgcolor="chartreuse3", style="filled"]

   "compileOnlyApi" [shape="box", label=<<B>compileOnlyApi</B>>, color="chartreuse3", bgcolor="chartreuse3", style="filled"]

// limitations under the License.

// dot -Tpng src/docs/userguide/img/cpp-application-task-graph.dot > src/docs/userguide/img/cpp-application-task-graph.png
digraph cppApplicationTaskGraph {
  graph [ dpi = 100, fontname="Sans"];
  node [fontname = "Sans"];
  edge [fontname = "Sans"];
  node [shape=rectangle, fixedsize=true, width=2.5, height=0.5];
  node [style=filled, fillcolor="#cfe2f3"]
  rankdir=LR

// limitations under the License.

// dot -Tpng src/docs/userguide/img/cpp-static-library-task-graph.dot > src/docs/userguide/img/cpp-static-library-task-graph.png
digraph cppStaticLibraryTaskGraph {
  graph [ dpi = 100, fontname="Sans"];
  node [fontname = "Sans"];
  edge [fontname = "Sans"];
  node [shape=rectangle, fixedsize=true, width=2.5, height=0.5];
  node [style=filled, fillcolor="#cfe2f3"]
  rankdir=LR