"Modularize" SkSG

* relocate all SkSG-related files under modules/sksg/
* fix various tidbits to make non-sksg builds possible
* drop obsolete SampleSGInval.cpp

Change-Id: I54e6c5bb1a09f45030fa8d607b3eb3f7cba78957
Reviewed-on: https://skia-review.googlesource.com/130025
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Klein <mtklein@google.com>

1 files changed, 0 insertions, 60 deletions

diff --git a/experimental/sksg/paint/SkSGGradient.cpp b/experimental/sksg/paint/SkSGGradient.cpp
deleted file mode 100644
index 98e7f395f8..0000000000
--- a/experimental/sksg/paint/SkSGGradient.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2018 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkSGGradient.h"
-
-#include "SkGradientShader.h"
-#include "SkPaint.h"
-
-namespace sksg {
-
-void Gradient::onApplyToPaint(SkPaint* paint) const {
-    if (fColorStops.empty()) {
-        paint->setShader(nullptr);
-        return;
-    }
-
-    std::vector<SkColor>  colors;
-    std::vector<SkScalar> positions;
-    colors.reserve(fColorStops.size());
-    positions.reserve(fColorStops.size());
-
-    SkScalar position = 0;
-    for (const auto& stop : fColorStops) {
-        colors.push_back(stop.fColor);
-        position = SkTPin(stop.fPosition, position, 1.0f);
-        positions.push_back(position);
-    }
-
-    // TODO: detect even stop distributions, pass null for positions.
-    paint->setShader(this->onMakeShader(colors, positions));
-}
-
-sk_sp<SkShader> LinearGradient::onMakeShader(const std::vector<SkColor>& colors,
-                                             const std::vector<SkScalar>& positions) const {
-    SkASSERT(colors.size() == positions.size());
-
-    const SkPoint pts[] = { fStartPoint, fEndPoint };
-    return SkGradientShader::MakeLinear(pts, colors.data(), positions.data(), colors.size(),
-                                        this->getTileMode());
-}
-
-sk_sp<SkShader> RadialGradient::onMakeShader(const std::vector<SkColor>& colors,
-                                             const std::vector<SkScalar>& positions) const {
-    SkASSERT(colors.size() == positions.size());
-
-    return (fStartRadius <= 0 && fStartCenter == fEndCenter)
-        ? SkGradientShader::MakeRadial(fEndCenter, fEndRadius,
-                                       colors.data(), positions.data(), colors.size(),
-                                       this->getTileMode())
-        : SkGradientShader::MakeTwoPointConical(fStartCenter, fStartRadius,
-                                                fEndCenter, fEndRadius,
-                                                colors.data(), positions.data(), colors.size(),
-                                                this->getTileMode());
-}
-
-} //namespace sksg