Add toString methods to SkImageFilter-derived classes

src/effects/SkLightingImageFilter.cpp

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkLightingImageFilter.h"
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
@@ skipping 264 matching lines @@
     buffer.writeScalar(point.fX);
     buffer.writeScalar(point.fY);
     buffer.writeScalar(point.fZ);
 };
 
 class SkDiffuseLightingImageFilter : public SkLightingImageFilter {
 public:
     static SkImageFilter* Create(SkLight* light, SkScalar surfaceScale, SkScalar kd, SkImageFilter*,
                                  const CropRect*, uint32_t uniqueID = 0);
 
+    SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkDiffuseLightingImageFilter)
     SkScalar kd() const { return fKD; }
 
 protected:
     SkDiffuseLightingImageFilter(SkLight* light, SkScalar surfaceScale,
                                  SkScalar kd, SkImageFilter* input, const CropRect* cropRect,
                                  uint32_t uniqueID);
     virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
     virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context&,
                                SkBitmap* result, SkIPoint* offset) const SK_OVERRIDE;
 #if SK_SUPPORT_GPU
     virtual bool asFragmentProcessor(GrFragmentProcessor**, GrTexture*, const SkMatrix&,
                                      const SkIRect& bounds) const SK_OVERRIDE;
 #endif
 
 private:
     friend class SkLightingImageFilter;
     typedef SkLightingImageFilter INHERITED;
     SkScalar fKD;
 };
 
 class SkSpecularLightingImageFilter : public SkLightingImageFilter {
 public:
     static SkImageFilter* Create(SkLight* light, SkScalar surfaceScale,
                                  SkScalar ks, SkScalar shininess, SkImageFilter*, const CropRect*,
                                  uint32_t uniqueID = 0);
 
+    SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSpecularLightingImageFilter)
 
     SkScalar ks() const { return fKS; }
     SkScalar shininess() const { return fShininess; }
 
 protected:
     SkSpecularLightingImageFilter(SkLight* light, SkScalar surfaceScale, SkScalar ks,
                                   SkScalar shininess, SkImageFilter* input, const CropRect*,
                                   uint32_t uniqueID);
     virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
@@ skipping 706 matching lines @@
             lightBitmap<DiffuseLightingType, SkPointLight>(lightingType, transformedLight, src, dst, surfaceScale(), bounds);
             break;
         case SkLight::kSpot_LightType:
             lightBitmap<DiffuseLightingType, SkSpotLight>(lightingType, transformedLight, src, dst, surfaceScale(), bounds);
             break;
     }
 
     return true;
 }
 
+#ifndef SK_IGNORE_TO_STRING
+void SkDiffuseLightingImageFilter::toString(SkString* str) const {
+    str->appendf("SkDiffuseLightingImageFilter: (");
+    str->appendf("kD: %f\n", fKD);
+    str->append(")");
+}
+#endif
+
 #if SK_SUPPORT_GPU
 bool SkDiffuseLightingImageFilter::asFragmentProcessor(GrFragmentProcessor** fp,
                                                        GrTexture* texture,
                                                        const SkMatrix& matrix,
                                                        const SkIRect&) const {
     if (fp) {
         SkScalar scale = SkScalarMul(surfaceScale(), SkIntToScalar(255));
         *fp = GrDiffuseLightingEffect::Create(texture, light(), scale, matrix, kd());
     }
     return true;
@@ skipping 87 matching lines @@
         case SkLight::kPoint_LightType:
             lightBitmap<SpecularLightingType, SkPointLight>(lightingType, transformedLight, src, dst, surfaceScale(), bounds);
             break;
         case SkLight::kSpot_LightType:
             lightBitmap<SpecularLightingType, SkSpotLight>(lightingType, transformedLight, src, dst, surfaceScale(), bounds);
             break;
     }
     return true;
 }
 
+#ifndef SK_IGNORE_TO_STRING
+void SkSpecularLightingImageFilter::toString(SkString* str) const {
+    str->appendf("SkSpecularLightingImageFilter: (");
+    str->appendf("kS: %f shininess: %f", fKS, fShininess);
+    str->append(")");
+}
+#endif
+
 #if SK_SUPPORT_GPU
 bool SkSpecularLightingImageFilter::asFragmentProcessor(GrFragmentProcessor** fp,
                                                         GrTexture* texture,
                                                         const SkMatrix& matrix,
                                                         const SkIRect&) const {
     if (fp) {
         SkScalar scale = SkScalarMul(surfaceScale(), SkIntToScalar(255));
         *fp = GrSpecularLightingEffect::Create(texture, light(), scale, matrix, ks(), shininess());
     }
     return true;
@@ skipping 543 matching lines @@
 
     fsBuilder->codeAppendf("%s(%s)", fLightColorFunc.c_str(), surfaceToLight);
 }
 
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkLightingImageFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkDiffuseLightingImageFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkSpecularLightingImageFilter)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END