remove dst/rendertarget support for kARGB_4444_Config

src/effects/SkTransparentShader.cpp

 
 /*
  * Copyright 2006 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 "SkTransparentShader.h"
@@ skipping 12 matching lines @@
 uint32_t SkTransparentShader::getFlags() {
     uint32_t flags = this->INHERITED::getFlags();
 
     switch (fDevice->getConfig()) {
         case SkBitmap::kRGB_565_Config:
             flags |= kHasSpan16_Flag;
             if (fAlpha == 255)
                 flags |= kOpaqueAlpha_Flag;
             break;
         case SkBitmap::kARGB_8888_Config:
-        case SkBitmap::kARGB_4444_Config:
             if (fAlpha == 255 && fDevice->isOpaque())
                 flags |= kOpaqueAlpha_Flag;
             break;
         default:
             break;
     }
     return flags;
 }
 
 void SkTransparentShader::shadeSpan(int x, int y, SkPMColor span[], int count) {
@@ skipping 28 matching lines @@
                     unsigned b = SkPacked16ToB32(c);
 
                     span[i] = SkPackARGB32( alpha,
                                             SkAlphaMul(r, scale),
                                             SkAlphaMul(g, scale),
                                             SkAlphaMul(b, scale));
                 }
             }
             break;
         }
-        case SkBitmap::kARGB_4444_Config: {
-            const uint16_t* src = fDevice->getAddr16(x, y);
-            if (scale == 256) {
-                for (int i = count - 1; i >= 0; --i) {
-                    span[i] = SkPixel4444ToPixel32(src[i]);
-                }
-            } else {
-                unsigned scale16 = scale >> 4;
-                for (int i = count - 1; i >= 0; --i) {
-                    uint32_t c = SkExpand_4444(src[i]) * scale16;
-                    span[i] = SkCompact_8888(c);
-                }
-            }
-            break;
-        }
         case SkBitmap::kIndex8_Config:
             SkDEBUGFAIL("index8 not supported as a destination device");
             break;
         case SkBitmap::kA8_Config: {
             const uint8_t* src = fDevice->getAddr8(x, y);
             if (scale == 256) {
                 for (int i = count - 1; i >= 0; --i) {
                     span[i] = SkPackARGB32(src[i], 0, 0, 0);
                 }
             } else {
@@ skipping 22 matching lines @@
 
 #ifdef SK_DEVELOPER
 void SkTransparentShader::toString(SkString* str) const {
     str->append("SkTransparentShader: (");
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif