Remove SkLumaXfermode.

gm/lumamode.cpp

Index: gm/lumamode.cpp
diff --git a/gm/lumamode.cpp b/gm/lumamode.cpp
deleted file mode 100644
index dbf45411fb290c9ec65fd5b53bde00e29126f6bc..0000000000000000000000000000000000000000
--- a/gm/lumamode.cpp
+++ /dev/null
@@ -1,149 +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 "gm.h"
-#include "SkCanvas.h"
-#include "SkGradientShader.h"
-#include "SkLumaXfermode.h"
-
-static SkScalar kSize   = 80;
-static SkScalar kInset  = 10;
-static SkColor  kColor1 = SkColorSetARGB(0xff, 0xff, 0xff, 0);
-static SkColor  kColor2 = SkColorSetARGB(0xff, 0x80, 0xff, 0);
-
-static void draw_label(SkCanvas* canvas, const char* label,
-                       const SkPoint& offset) {
-    SkPaint paint;
-    size_t len = strlen(label);
-
-    SkScalar width = paint.measureText(label, len);
-    canvas->drawText(label, len, offset.x() - width / 2, offset.y(),
-                     paint);
-}
-
-static void draw_scene(SkCanvas* canvas, SkXfermode* mode, bool aa,
-                       SkShader* s1, SkShader* s2) {
-    SkPaint paint;
-    paint.setAntiAlias(aa);
-    SkRect r, c, bounds = SkRect::MakeWH(kSize, kSize);
-
-    c = bounds;
-    c.fRight = bounds.centerX();
-    canvas->drawRect(bounds, paint);
-
-    canvas->saveLayer(&bounds, NULL);
-
-    r = bounds;
-    r.inset(kInset, 0);
-    paint.setShader(s1);
-    paint.setColor(s1 ? SK_ColorBLACK : SkColorSetA(kColor1, 0x80));
-    canvas->drawOval(r, paint);
-    if (!s1) {
-        canvas->save();
-        canvas->clipRect(c);
-        paint.setColor(s1 ? SK_ColorBLACK : kColor1);
-        canvas->drawOval(r, paint);
-        canvas->restore();
-    }
-
-    SkPaint xferPaint;
-    xferPaint.setXfermode(mode);
-    canvas->saveLayer(&bounds, &xferPaint);
-
-    r = bounds;
-    r.inset(0, kInset);
-    paint.setShader(s2);
-    paint.setColor(s2 ? SK_ColorBLACK : SkColorSetA(kColor2, 0x80));
-    canvas->drawOval(r, paint);
-    if (!s2) {
-        canvas->save();
-        canvas->clipRect(c);
-        paint.setColor(s2 ? SK_ColorBLACK : kColor2);
-        canvas->drawOval(r, paint);
-        canvas->restore();
-    }
-
-    canvas->restore();
-    canvas->restore();
-}
-
-class LumaXfermodeGM : public skiagm::GM {
-public:
-    LumaXfermodeGM() {
-        fSrcInXfer.reset(SkLumaMaskXfermode::Create(SkXfermode::kSrcIn_Mode));
-        fDstInXfer.reset(SkLumaMaskXfermode::Create(SkXfermode::kDstIn_Mode));
-        fSrcOverXfer.reset(SkLumaMaskXfermode::Create(SkXfermode::kSrcOver_Mode));
-
-        SkColor  g1Colors[] = { kColor1, SkColorSetA(kColor1, 0x20) };
-        SkColor  g2Colors[] = { kColor2, SkColorSetA(kColor2, 0x20) };
-        SkPoint  g1Points[] = { { 0, 0 }, { 0,     100 } };
-        SkPoint  g2Points[] = { { 0, 0 }, { kSize, 0   } };
-        SkScalar pos[] = { 0.2f, 1.0f };
-
-        fGr1.reset(SkGradientShader::CreateLinear(g1Points,
-                                                  g1Colors,
-                                                  pos,
-                                                  SK_ARRAY_COUNT(g1Colors),
-                                                  SkShader::kClamp_TileMode));
-        fGr2.reset(SkGradientShader::CreateLinear(g2Points,
-                                                  g2Colors,
-                                                  pos,
-                                                  SK_ARRAY_COUNT(g2Colors),
-                                                  SkShader::kClamp_TileMode));
-    }
-
-protected:
-    virtual SkString onShortName() SK_OVERRIDE {
-        return SkString("lumamode");
-    }
-
-    virtual SkISize onISize() SK_OVERRIDE {
-        return SkISize::Make(800, 420);
-    }
-
-    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
-        SkXfermode* modes[] = { NULL, fSrcInXfer, fDstInXfer, fSrcOverXfer };
-        struct {
-            SkShader*   fShader1;
-            SkShader*   fShader2;
-        } shaders[] = {
-            { NULL, NULL },
-            { NULL, fGr2 },
-            { fGr1, NULL },
-            { fGr1, fGr2 },
-        };
-
-        SkScalar gridStep = kSize + 2 * kInset;
-        draw_label(canvas, "SrcOver", SkPoint::Make(gridStep, 20));
-        draw_label(canvas, "SrcInLuma", SkPoint::Make(gridStep * 3, 20));
-        draw_label(canvas, "DstInLuma", SkPoint::Make(gridStep * 5, 20));
-        draw_label(canvas, "SrcOverLuma", SkPoint::Make(gridStep * 7, 20));
-        for (size_t i = 0; i < SK_ARRAY_COUNT(shaders); ++i) {
-            canvas->save();
-            canvas->translate(kInset, gridStep * i + 30);
-            for (size_t m = 0; m < SK_ARRAY_COUNT(modes); ++m) {
-                draw_scene(canvas, modes[m], true, shaders[i].fShader1,
-                           shaders[i].fShader2);
-                canvas->translate(gridStep, 0);
-                draw_scene(canvas, modes[m], false, shaders[i].fShader1,
-                           shaders[i].fShader2);
-                canvas->translate(gridStep, 0);
-            }
-            canvas->restore();
-        }
-    }
-
-private:
-    SkAutoTUnref<SkShader>   fGr1, fGr2;
-    SkAutoTUnref<SkXfermode> fSrcInXfer, fDstInXfer, fSrcOverXfer;
-
-    typedef skiagm::GM INHERITED;
-};
-
-//////////////////////////////////////////////////////////////////////////////
-
-DEF_GM( return SkNEW(LumaXfermodeGM); )