1 files changed, 67 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/pathops/SkPathOpsRect.cpp b/gfx/skia/skia/src/pathops/SkPathOpsRect.cpp
new file mode 100644
index 0000000000..eb0a9b6b76
--- /dev/null
+++ b/gfx/skia/skia/src/pathops/SkPathOpsRect.cpp
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "src/pathops/SkPathOpsRect.h"
+
+#include "src/pathops/SkPathOpsConic.h"
+#include "src/pathops/SkPathOpsCubic.h"
+#include "src/pathops/SkPathOpsQuad.h"
+#include "src/pathops/SkPathOpsTCurve.h"
+
+void SkDRect::setBounds(const SkDQuad& curve, const SkDQuad& sub, double startT, double endT) {
+    set(sub[0]);
+    add(sub[2]);
+    double tValues[2];
+    int roots = 0;
+    if (!sub.monotonicInX()) {
+        roots = SkDQuad::FindExtrema(&sub[0].fX, tValues);
+    }
+    if (!sub.monotonicInY()) {
+        roots += SkDQuad::FindExtrema(&sub[0].fY, &tValues[roots]);
+    }
+    for (int index = 0; index < roots; ++index) {
+        double t = startT + (endT - startT) * tValues[index];
+        add(curve.ptAtT(t));
+    }
+}
+
+void SkDRect::setBounds(const SkDConic& curve, const SkDConic& sub, double startT, double endT) {
+    set(sub[0]);
+    add(sub[2]);
+    double tValues[2];
+    int roots = 0;
+    if (!sub.monotonicInX()) {
+        roots = SkDConic::FindExtrema(&sub[0].fX, sub.fWeight, tValues);
+    }
+    if (!sub.monotonicInY()) {
+        roots += SkDConic::FindExtrema(&sub[0].fY, sub.fWeight, &tValues[roots]);
+    }
+    for (int index = 0; index < roots; ++index) {
+        double t = startT + (endT - startT) * tValues[index];
+        add(curve.ptAtT(t));
+    }
+}
+
+void SkDRect::setBounds(const SkDCubic& curve, const SkDCubic& sub, double startT, double endT) {
+    set(sub[0]);
+    add(sub[3]);
+    double tValues[4];
+    int roots = 0;
+    if (!sub.monotonicInX()) {
+        roots = SkDCubic::FindExtrema(&sub[0].fX, tValues);
+    }
+    if (!sub.monotonicInY()) {
+        roots += SkDCubic::FindExtrema(&sub[0].fY, &tValues[roots]);
+    }
+    for (int index = 0; index < roots; ++index) {
+        double t = startT + (endT - startT) * tValues[index];
+        add(curve.ptAtT(t));
+    }
+}
+
+void SkDRect::setBounds(const SkTCurve& curve) {
+    curve.setBounds(this);
+}