remove dst/rendertarget support for kARGB_4444_Config

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 775 matching lines @@
             break;
         }
         case kA8_Config: {
             uint8_t* p = (uint8_t*)fPixels;
             while (--height >= 0) {
                 memset(p, a, width);
                 p += rowBytes;
             }
             break;
         }
-        case kARGB_4444_Config:
         case kRGB_565_Config: {
             uint16_t* p = (uint16_t*)fPixels;
-            uint16_t v;
-
-            if (kARGB_4444_Config == fConfig) {
-                v = SkPackARGB4444(a >> 4, r >> 4, g >> 4, b >> 4);
-            } else {    // kRGB_565_Config
-                v = SkPackRGB16(r >> (8 - SK_R16_BITS), g >> (8 - SK_G16_BITS),
-                                b >> (8 - SK_B16_BITS));
-            }
+            uint16_t v = SkPackRGB16(r >> (8 - SK_R16_BITS),
+                                     g >> (8 - SK_G16_BITS),
+                                     b >> (8 - SK_B16_BITS));
             while (--height >= 0) {
                 sk_memset16(p, v, width);
                 p = (uint16_t*)((char*)p + rowBytes);
             }
             break;
         }
         case kARGB_8888_Config: {
             uint32_t* p = (uint32_t*)fPixels;
             uint32_t  v = SkPackARGB32(a, r, g, b);
 
@@ skipping 181 matching lines @@
 #include "SkPaint.h"
 
 bool SkBitmap::canCopyTo(Config dstConfig) const {
     if (this->getConfig() == kNo_Config) {
         return false;
     }
 
     bool sameConfigs = (this->config() == dstConfig);
     switch (dstConfig) {
         case kA8_Config:
-        case kARGB_4444_Config:
         case kRGB_565_Config:
         case kARGB_8888_Config:
             break;
         case kA1_Config:
         case kIndex8_Config:
+        case kARGB_4444_Config:
             if (!sameConfigs) {
                 return false;
             }
             break;
         default:
             return false;
     }
 
     // do not copy src if srcConfig == kA1_Config while dstConfig != kA1_Config
     if (this->getConfig() == kA1_Config && !sameConfigs) {
@@ skipping 655 matching lines @@
         if (NULL != uri) {
             str->appendf(" uri:\"%s\"", uri);
         } else {
             str->appendf(" pixelref:%p", pr);
         }
     }
 
     str->append(")");
 }
 #endif