Remove clutter from experimental

SkMatrix has the canonical version of setPolyToPoly, we don't need three
other copies sitting around.

SkBorder appears to be useless.

Bug: skia:
Change-Id: Ie747ff7af6cf1d03e6276e8d7fe57e9b3e4ad411
Reviewed-on: https://skia-review.googlesource.com/74141
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

5 files changed, 0 insertions, 364 deletions

diff --git a/experimental/ChromeUtils/SkBorder.cpp b/experimental/ChromeUtils/SkBorder.cpp
deleted file mode 100644
index fad27210fc..0000000000
--- a/experimental/ChromeUtils/SkBorder.cpp
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkBorder.h"
-
-SkBorder::SkBorder(SkPaint& p, SkScalar width, BorderStyle style)
-    : fFlags(kOnePaint_Flag) {
-    fPaints[0] = p;
-
-    for (int i = 0; i < 4; ++i) {
-        fWidths[i] = width;
-        fStyles[i] = style;
-    }
-}
-
-SkBorder::SkBorder(const SkPaint paints[4],
-                   const SkScalar widths[4],
-                   const BorderStyle styles[4])
-    : fFlags(0) {
-    for (int i = 0; i < 4; ++i) {
-        fPaints[i] = paints[i];
-    }
-
-    memcpy(fWidths, widths, sizeof(fWidths));
-    memcpy(fStyles, styles, sizeof(fStyles));
-}
diff --git a/experimental/ChromeUtils/SkBorder.h b/experimental/ChromeUtils/SkBorder.h
deleted file mode 100644
index e9d8774b0c..0000000000
--- a/experimental/ChromeUtils/SkBorder.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-#ifndef SkBorder_DEFINED
-#define SkBorder_DEFINED
-
-#include "SkColor.h"
-#include "SkPaint.h"
-#include "SkScalar.h"
-#include "SkTArray.h"
-
-// This class provides a concise means of specifying all the geometry/shading
-// associated with a CSS-style box/round-rect.
-class SkBorder {
-public:
-    enum BorderStyle {
-        /**
-        */
-        kNone_BorderStyle,
-        /**
-        */
-        kHidden_BorderStyle,
-        /**
-        */
-        kDotted_BorderStyle,
-        /**
-        */
-        kDashed_BorderStyle,
-        /**
-        */
-        kSolid_BorderStyle,
-        /**
-        */
-        kDouble_BorderStyle,
-        /**
-        */
-        kGroove_BorderStyle,
-        /**
-        */
-        kRidge_BorderStyle,
-        /**
-        */
-        kInset_BorderStyle,
-        /**
-        */
-        kOutset_BorderStyle,
-    };
-
-    enum BlurStyle {
-        kNormal_BlurStyle,  //!< fuzzy inside and outside
-        kInner_BlurStyle,   //!< fuzzy inside, nothing outside
-    };
-
-    struct ShadowInfo {
-        SkScalar  fXOffset;
-        SkScalar  fYOffset;
-        SkScalar  fBlurSigma;
-        SkColor   fColor;
-        BlurStyle fStyle;
-    };
-
-    SkBorder(SkPaint& p, SkScalar width, BorderStyle style);
-
-    SkBorder(const SkPaint paints[4], const SkScalar widths[4], const BorderStyle styles[4]);
-
-    void setBackground(SkPaint* p) {
-        if (NULL == p) {
-            fBackground.reset();
-            fFlags &= ~kDrawBackground_Flag;
-        } else {
-            fBackground = *p;
-            fFlags |= kDrawBackground_Flag;
-        }
-    }
-
-    void addShadow(ShadowInfo& info) {
-        fShadows.push_back(info);
-    }
-
-private:
-    enum Flags {
-        // One paint "fPaints[0]" is applied to all the borders
-        kOnePaint_Flag = 0x01,
-        // Use 'fBackground' to draw the background
-        kDrawBackground_Flag = 0x02,
-    };
-
-    // If kOnePaint_Flag is specified then fBorder[0] is applied to all sides.
-    // Otherwise the order is: left, top, right, bottom
-    SkPaint              fPaints[4];
-    // Only valid if kDrawBackground_Flag is set.
-    SkPaint              fBackground;
-    SkScalar             fWidths[4];
-    BorderStyle          fStyles[4];
-    SkTArray<ShadowInfo> fShadows;
-    uint32_t             fFlags;
-};
-
-#endif
diff --git a/experimental/SkSetPoly3To3.cpp b/experimental/SkSetPoly3To3.cpp
deleted file mode 100644
index 19adf40887..0000000000
--- a/experimental/SkSetPoly3To3.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "SkMatrix.h"
-#include "SkMalloc.h"
-
-// FIXME: needs to be in a header
-bool SkSetPoly3To3(SkMatrix* matrix, const SkPoint src[3], const SkPoint dst[3]);
-
-static void computeOuterProduct(SkScalar op[4],
-                                const SkPoint pts0[3], const SkPoint& ave0,
-                                const SkPoint pts1[3], const SkPoint& ave1) {
-    sk_bzero(op, 4 * sizeof(op[0]));
-    for (int i = 0; i < 3; i++) {
-        SkScalar x0 = pts0[i].fX - ave0.fX;
-        SkScalar y0 = pts0[i].fY - ave0.fY;
-        SkScalar x1 = pts1[i].fX - ave1.fX;
-        SkScalar y1 = pts1[i].fY - ave1.fY;
-        op[0] += x0 * x1;
-        op[1] += x0 * y1;
-        op[2] += y0 * x1;
-        op[3] += y0 * y1;
-    }
-}
-
-static SkScalar dot(SkScalar ax, SkScalar ay, SkScalar bx, SkScalar by) {
-    return ax * bx + ay * by;
-}
-
-bool SkSetPoly3To3(SkMatrix* matrix, const SkPoint src[3], const SkPoint dst[3]) {
-    const SkPoint& srcAve = src[0];
-    const SkPoint& dstAve = dst[0];
-
-    SkScalar srcOP[4], dstOP[4];
-
-    computeOuterProduct(srcOP, src, srcAve, src, srcAve);
-    computeOuterProduct(dstOP, src, srcAve, dst, dstAve);
-
-    SkScalar det = srcOP[0] * srcOP[3] - srcOP[1] * srcOP[2];
-
-    // need SkScalarNearlyZeroSquared for this (to match Chrome's fix)
-    if (SkScalarNearlyZero(det)) {
-        return false;
-    }
-
-    SkScalar invDet = SkScalarInvert(det);
-
-    // now compute invDet * [srcOP]T * [dstOP]
-
-    // scale and transpose
-    const SkScalar srcOP0 =  srcOP[3] * invDet;
-    const SkScalar srcOP1 = -srcOP[1] * invDet;
-    const SkScalar srcOP2 = -srcOP[2] * invDet;
-    const SkScalar srcOP3 =  srcOP[0] * invDet;
-
-    matrix->reset();
-    matrix->setScaleX(dot(srcOP0, srcOP1, dstOP[0], dstOP[2]));
-    matrix->setSkewX( dot(srcOP2, srcOP3, dstOP[0], dstOP[2]));
-    matrix->setSkewY (dot(srcOP0, srcOP1, dstOP[1], dstOP[3]));
-    matrix->setScaleY(dot(srcOP2, srcOP3, dstOP[1], dstOP[3]));
-    matrix->setTranslateX(dstAve.fX - dot(srcAve.fX, srcAve.fY,
-                                    matrix->getScaleX(), matrix->getSkewX()));
-    matrix->setTranslateY(dstAve.fY - dot(srcAve.fX, srcAve.fY,
-                                    matrix->getSkewY(), matrix->getScaleY()));
-    return true;
-}
diff --git a/experimental/SkSetPoly3To3_A.cpp b/experimental/SkSetPoly3To3_A.cpp
deleted file mode 100644
index 41eb1789d5..0000000000
--- a/experimental/SkSetPoly3To3_A.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "SkMatrix.h"
-#include "SkMalloc.h"
-
-// FIXME: needs to be in a header
-bool SkSetPoly3To3_A(SkMatrix* matrix, const SkPoint src[3], const SkPoint dst[3]);
-
-typedef double SkDScalar;
-
-static SkScalar SkDScalar_toScalar(SkDScalar value) {
-    return static_cast<float>(value);
-}
-static SkScalar divide(SkDScalar numer, SkDScalar denom) {
-    return static_cast<float>(numer / denom);
-}
-
-static SkDScalar SkDScalar_setMul(SkScalar a, SkScalar b) {
-    return (SkDScalar) ((SkDScalar) a * b);
-}
-
-static void computeOuterProduct(SkScalar op[4],
-                                const SkPoint pts0[3], const SkPoint& ave0,
-                                const SkPoint pts1[3], const SkPoint& ave1) {
-    sk_bzero(op, 4 * sizeof(op[0]));
-    for (int i = 0; i < 3; i++) {
-        SkScalar x0 = pts0[i].fX - ave0.fX;
-        SkScalar y0 = pts0[i].fY - ave0.fY;
-        SkScalar x1 = pts1[i].fX - ave1.fX;
-        SkScalar y1 = pts1[i].fY - ave1.fY;
-        op[0] += x0 * x1;
-        op[1] += x0 * y1;
-        op[2] += y0 * x1;
-        op[3] += y0 * y1;
-    }
-}
-
-static SkDScalar ddot(SkScalar ax, SkScalar ay, SkScalar bx, SkScalar by) {
-    return SkDScalar_setMul(ax, bx) + SkDScalar_setMul(ay, by);
-}
-
-static SkScalar dot(SkScalar ax, SkScalar ay, SkScalar bx, SkScalar by) {
-    return SkDScalar_toScalar(ddot(ax, ay, bx, by));
-}
-
-bool SkSetPoly3To3_A(SkMatrix* matrix, const SkPoint src[3], const SkPoint dst[3]) {
-    const SkPoint& srcAve = src[0];
-    const SkPoint& dstAve = dst[0];
-
-    SkScalar srcOP[4], dstOP[4];
-
-    computeOuterProduct(srcOP, src, srcAve, src, srcAve);
-    computeOuterProduct(dstOP, src, srcAve, dst, dstAve);
-
-    SkDScalar det = SkDScalar_setMul(srcOP[0], srcOP[3]) -
-                    SkDScalar_setMul(srcOP[1], srcOP[2]);
-
-    SkDScalar M[4];
-
-    const SkScalar srcOP0 = srcOP[3];
-    const SkScalar srcOP1 = -srcOP[1];
-    const SkScalar srcOP2 = -srcOP[2];
-    const SkScalar srcOP3 = srcOP[0];
-
-    M[0] = ddot(srcOP0, srcOP1, dstOP[0], dstOP[2]);
-    M[1] = ddot(srcOP2, srcOP3, dstOP[0], dstOP[2]);
-    M[2] = ddot(srcOP0, srcOP1, dstOP[1], dstOP[3]);
-    M[3] = ddot(srcOP2, srcOP3, dstOP[1], dstOP[3]);
-
-    matrix->reset();
-    matrix->setScaleX(divide(M[0], det));
-    matrix->setSkewX( divide(M[1], det));
-    matrix->setSkewY (divide(M[2], det));
-    matrix->setScaleY(divide(M[3], det));
-    matrix->setTranslateX(dstAve.fX - dot(srcAve.fX, srcAve.fY,
-                                    matrix->getScaleX(), matrix->getSkewX()));
-    matrix->setTranslateY(dstAve.fY - dot(srcAve.fX, srcAve.fY,
-                                    matrix->getSkewY(), matrix->getScaleY()));
-    return true;
-}
diff --git a/experimental/SkSetPoly3To3_D.cpp b/experimental/SkSetPoly3To3_D.cpp
deleted file mode 100644
index 18f34c9982..0000000000
--- a/experimental/SkSetPoly3To3_D.cpp
+++ /dev/null
@@ -1,75 +0,0 @@
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "SkMatrix.h"
-#include "SkMalloc.h"
-
-// FIXME: needs to be in a header
-bool SkSetPoly3To3_D(SkMatrix* matrix, const SkPoint src[3], const SkPoint dst[3]);
-
-typedef int64_t SkDScalar;
-
-static SkScalar SkDScalar_toScalar(SkDScalar value) {
-    SkDScalar result = (value + (1 << 15)) >> 16;
-    SkDEBUGCODE(int top = static_cast<int>(result >> 31);)
-    SkASSERT(top == 0 || top == -1);
-    return (SkScalar)result;
-}
-
-static SkDScalar SkDScalar_setMul(SkScalar a, SkScalar b) {
-    return (SkDScalar) ((SkDScalar) a * (SkDScalar) b);
-}
-
-static void computeOuterProduct(SkMatrix* matrix,
-                                const SkPoint pts0[3], const SkPoint& ave0,
-                                const SkPoint pts1[3], const SkPoint& ave1) {
-    SkDScalar tmp[4];
-    sk_bzero(tmp, sizeof(tmp));
-
-    for (int i = 0; i < 3; i++) {
-        SkScalar x0 = pts0[i].fX - ave0.fX;
-        SkScalar y0 = pts0[i].fY - ave0.fY;
-        SkScalar x1 = pts1[i].fX - ave1.fX;
-        SkScalar y1 = pts1[i].fY - ave1.fY;
-        tmp[0] += SkDScalar_setMul(x0, x1);
-        tmp[1] += SkDScalar_setMul(x0, y1);
-        tmp[2] += SkDScalar_setMul(y0, x1);
-        tmp[3] += SkDScalar_setMul(y0, y1);
-    }
-    matrix->reset();
-    matrix->setScaleX(SkDScalar_toScalar(tmp[0]));
-    matrix->setSkewY( SkDScalar_toScalar(tmp[1]));
-    matrix->setSkewX( SkDScalar_toScalar(tmp[2]));
-    matrix->setScaleY(SkDScalar_toScalar(tmp[3]));
-}
-
-static SkScalar dot(SkScalar ax, SkScalar ay, SkScalar bx, SkScalar by) {
-    return SkDScalar_toScalar(SkDScalar_setMul(ax, bx) +
-                              SkDScalar_setMul(ay, by));
-}
-
-bool SkSetPoly3To3_D(SkMatrix* matrix, const SkPoint src[3], const SkPoint dst[3]) {
-    const SkPoint& srcAve = src[0];
-    const SkPoint& dstAve = dst[0];
-
-    SkMatrix srcOP, dstOP;
-
-    computeOuterProduct(&srcOP, src, srcAve, src, srcAve);
-
-    if (!srcOP.invert(&srcOP)) {
-        return false;
-    }
-
-    computeOuterProduct(&dstOP, src, srcAve, dst, dstAve);
-
-    matrix->setConcat(dstOP, srcOP);
-    matrix->setTranslateX(dstAve.fX - dot(srcAve.fX, srcAve.fY,
-                                    matrix->getScaleX(), matrix->getSkewX()));
-    matrix->setTranslateY(dstAve.fY - dot(srcAve.fX, srcAve.fY,
-                                    matrix->getSkewY(), matrix->getScaleY()));
-    return true;
-}