Move SkGammaColorFilter to tools, limit to sRGB

Similarly, limit GrGammaEffect to sRGB (and rename it).

BUG=skia:

Change-Id: I88feef11ab7040bca2fa4c2eed71923ded87a0d0
Reviewed-on: https://skia-review.googlesource.com/7375
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 0 insertions, 57 deletions

diff --git a/src/effects/SkGammaColorFilter.cpp b/src/effects/SkGammaColorFilter.cpp
deleted file mode 100644
index 181ab770f4..0000000000
--- a/src/effects/SkGammaColorFilter.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkGammaColorFilter.h"
-
-#include "SkReadBuffer.h"
-#include "SkString.h"
-
-#if SK_SUPPORT_GPU
-#include "effects/GrGammaEffect.h"
-#endif
-
-void SkGammaColorFilter::filterSpan(const SkPMColor src[], int count,
-                                    SkPMColor dst[]) const {
-    // Gamma-correcting bytes to bytes is pretty questionable.
-    SkASSERT(0);
-    for (int i = 0; i < count; ++i) {
-        SkPMColor c = src[i];
-
-        // TODO: implement cpu gamma correction?
-        dst[i] = c;
-    }
-}
-
-sk_sp<SkColorFilter> SkGammaColorFilter::Make(SkScalar gamma) {
-    return sk_sp<SkColorFilter>(new SkGammaColorFilter(gamma));
-}
-
-SkGammaColorFilter::SkGammaColorFilter(SkScalar gamma) : fGamma(gamma) {}
-
-sk_sp<SkFlattenable> SkGammaColorFilter::CreateProc(SkReadBuffer& buffer) {
-    SkScalar gamma = buffer.readScalar();
-
-    return Make(gamma);
-}
-
-void SkGammaColorFilter::flatten(SkWriteBuffer& buffer) const {
-    this->INHERITED::flatten(buffer);
-    buffer.writeScalar(fGamma);
-}
-
-#ifndef SK_IGNORE_TO_STRING
-void SkGammaColorFilter::toString(SkString* str) const {
-    str->appendf("SkGammaColorFilter (%.2f)", fGamma);
-}
-#endif
-
-#if SK_SUPPORT_GPU
-sk_sp<GrFragmentProcessor> SkGammaColorFilter::asFragmentProcessor(GrContext*,
-                                                                   SkColorSpace*) const {
-    return GrGammaEffect::Make(fGamma);
-}
-#endif