Scanline decoding for wbmp

src/codec/SkCodecPriv.h

 /*
  * Copyright 2015 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.
  */
 
 #ifndef SkCodecPriv_DEFINED
 #define SkCodecPriv_DEFINED
 
@@ skipping 13 matching lines @@
     uint8_t maxAlpha = 0xFF;
 
 #define UPDATE_RESULT_ALPHA(alpha)              \
     zeroAlpha |= (alpha);                       \
     maxAlpha  &= (alpha);
 
 #define COMPUTE_RESULT_ALPHA                    \
     SkSwizzler::GetResult(zeroAlpha, maxAlpha);
 
 /*
+ * If there is a color table, get a pointer to the colors, otherwise return NULL
+ */
+static const SkPMColor* get_color_ptr(SkColorTable* colorTable) {
+     return NULL != colorTable ? colorTable->readColors() : NULL;
+}
+
+/*
  *
  * Copy the codec color table back to the client when kIndex8 color type is requested
  *
  */
 static inline void copy_color_table(const SkImageInfo& dstInfo, SkColorTable* colorTable,
         SkPMColor* inputColorPtr, int* inputColorCount) {
     if (kIndex_8_SkColorType == dstInfo.colorType()) {
         SkASSERT(NULL != inputColorPtr);
         SkASSERT(NULL != inputColorCount);
         SkASSERT(NULL != colorTable);
@@ skipping 78 matching lines @@
 #endif
 }
 
 #ifdef SK_PRINT_CODEC_MESSAGES
     #define SkCodecPrintf SkDebugf
 #else
     #define SkCodecPrintf(...)
 #endif
 
 #endif // SkCodecPriv_DEFINED