Revert of Remove unused (by clients) SkUnitMapper (https://codereview.chromium.org/283273002/)

samplecode/SampleSlides.cpp

 
 /*
  * 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 "SampleCode.h"
 #include "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
@@ skipping 160 matching lines @@
 };
 
 static const GradData gGradData[] = {
 { 2, gColors, NULL },
 { 2, gColors, gPos0 },
 { 2, gColors, gPos1 },
 { 5, gColors, NULL },
 { 5, gColors, gPos2 }
 };
 
-static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data, SkShader::TileMode tm) {
-    return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos, data.fCount, tm);
+static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data,
+                            SkShader::TileMode tm, SkUnitMapper* mapper) {
+    return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos,
+                                          data.fCount, tm, mapper);
 }
 
-static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data, SkShader::TileMode tm) {
+static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data,
+                            SkShader::TileMode tm, SkUnitMapper* mapper) {
     SkPoint center;
     center.set(SkScalarAve(pts[0].fX, pts[1].fX),
                SkScalarAve(pts[0].fY, pts[1].fY));
     return SkGradientShader::CreateRadial(center, center.fX, data.fColors,
-                                          data.fPos, data.fCount, tm);
+                                          data.fPos, data.fCount, tm, mapper);
 }
 
-static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data, SkShader::TileMode tm) {
+static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data,
+                           SkShader::TileMode tm, SkUnitMapper* mapper) {
     SkPoint center;
     center.set(SkScalarAve(pts[0].fX, pts[1].fX),
                SkScalarAve(pts[0].fY, pts[1].fY));
-    return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors, data.fPos, data.fCount);
+    return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors,
+                                         data.fPos, data.fCount, mapper);
 }
 
-static SkShader* Make2Radial(const SkPoint pts[2], const GradData& data, SkShader::TileMode tm) {
+static SkShader* Make2Radial(const SkPoint pts[2], const GradData& data,
+                             SkShader::TileMode tm, SkUnitMapper* mapper) {
     SkPoint center0, center1;
     center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
                 SkScalarAve(pts[0].fY, pts[1].fY));
     center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
                 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
     return SkGradientShader::CreateTwoPointRadial(
                                                   center1, (pts[1].fX - pts[0].fX) / 7,
                                                   center0, (pts[1].fX - pts[0].fX) / 2,
-                                                  data.fColors, data.fPos, data.fCount, tm);
+                                                  data.fColors, data.fPos, data.fCount, tm, mapper);
 }
 
-typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data, SkShader::TileMode tm);
+typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data,
+                               SkShader::TileMode tm, SkUnitMapper* mapper);
 static const GradMaker gGradMakers[] = {
     MakeLinear, MakeRadial, MakeSweep, Make2Radial
 };
 
 static void gradient_slide(SkCanvas* canvas) {
     SkPoint pts[2] = {
         { 0, 0 },
         { SkIntToScalar(100), SkIntToScalar(100) }
     };
     SkShader::TileMode tm = SkShader::kClamp_TileMode;
     SkRect r = { 0, 0, SkIntToScalar(100), SkIntToScalar(100) };
     SkPaint paint;
     paint.setAntiAlias(true);
     paint.setDither(true);
 
     canvas->translate(SkIntToScalar(20), SkIntToScalar(10));
     for (size_t i = 0; i < SK_ARRAY_COUNT(gGradData); i++) {
         canvas->save();
         for (size_t j = 0; j < SK_ARRAY_COUNT(gGradMakers); j++) {
-            SkShader* shader = gGradMakers[j](pts, gGradData[i], tm);
+            SkShader* shader = gGradMakers[j](pts, gGradData[i], tm, NULL);
             paint.setShader(shader);
             canvas->drawRect(r, paint);
             shader->unref();
             canvas->translate(0, SkIntToScalar(120));
         }
         canvas->restore();
         canvas->translate(SkIntToScalar(120), 0);
     }
 }
 
@@ skipping 78 matching lines @@
     size->set(bm.width(), bm.height());
     return SkShader::CreateBitmapShader(bm, SkShader::kClamp_TileMode,
                                         SkShader::kClamp_TileMode);
 }
 
 static SkShader* make_shader1(const SkIPoint& size) {
     SkPoint pts[] = { { 0, 0 },
                       { SkIntToScalar(size.fX), SkIntToScalar(size.fY) } };
     SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorRED };
     return SkGradientShader::CreateLinear(pts, colors, NULL,
-                                          SK_ARRAY_COUNT(colors), SkShader::kMirror_TileMode);
+                                          SK_ARRAY_COUNT(colors), SkShader::kMirror_TileMode, NULL);
 }
 
 class Rec {
 public:
     SkCanvas::VertexMode    fMode;
     int                     fCount;
     SkPoint*                fVerts;
     SkPoint*                fTexs;
 
     Rec() : fCount(0), fVerts(NULL), fTexs(NULL) {}
@@ skipping 376 matching lines @@
     }
 
 private:
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new SlideView; }
 static SkViewRegister reg(MyFactory);