Adding 3D lut color filter

src/core/SkBitmap.cpp

 
 /*
  * Copyright 2008 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 "SkBitmap.h"
@@ skipping 480 matching lines @@
 }
 
 void SkBitmap::setIsVolatile(bool isVolatile) {
     if (isVolatile) {
         fFlags |= kImageIsVolatile_Flag;
     } else {
         fFlags &= ~kImageIsVolatile_Flag;
     }
 }
 
+bool SkBitmap::is3DLut() const {
+    return (fFlags & kIs3DLut_Flag) != 0;
+}
+
+void SkBitmap::setIs3DLut(bool is3DLut) {
+    if (is3DLut && ((width() * width()) == height())) {
+        fFlags |= kIs3DLut_Flag;
+    } else {
+        fFlags &= ~kIs3DLut_Flag;
+    }
+}
+
 void* SkBitmap::getAddr(int x, int y) const {
     SkASSERT((unsigned)x < (unsigned)this->width());
     SkASSERT((unsigned)y < (unsigned)this->height());
 
     char* base = (char*)this->getPixels();
     if (base) {
         base += y * this->rowBytes();
         switch (this->colorType()) {
             case kRGBA_8888_SkColorType:
             case kBGRA_8888_SkColorType:
@@ skipping 800 matching lines @@
     // colorTypes report opaque for their alphatype
     if (kRGB_565_SkColorType == fInfo.colorType()) {
         SkASSERT(kOpaque_SkAlphaType == fInfo.alphaType());
     }
 
     SkASSERT(fInfo.validRowBytes(fRowBytes));
     uint8_t allFlags = kImageIsVolatile_Flag;
 #ifdef SK_BUILD_FOR_ANDROID
     allFlags |= kHasHardwareMipMap_Flag;
 #endif
+    allFlags |= kIs3DLut_Flag;
     SkASSERT((~allFlags & fFlags) == 0);
     SkASSERT(fPixelLockCount >= 0);
 
     if (fPixels) {
         SkASSERT(fPixelRef);
         SkASSERT(fPixelLockCount > 0);
         SkASSERT(fPixelRef->isLocked());
         SkASSERT(fPixelRef->rowBytes() == fRowBytes);
         SkASSERT(fPixelRefOrigin.fX >= 0);
         SkASSERT(fPixelRefOrigin.fY >= 0);
@@ skipping 49 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifdef SK_DEBUG
 void SkImageInfo::validate() const {
     SkASSERT(fWidth >= 0);
     SkASSERT(fHeight >= 0);
     SkASSERT(SkColorTypeIsValid(fColorType));
     SkASSERT(SkAlphaTypeIsValid(fAlphaType));
 }
 #endif