michael@0: /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "assert.h"
michael@0: #include "ANPBase.h"
michael@0: #include <android/log.h>
michael@0: 
michael@0: #define LOG(args...)  __android_log_print(ANDROID_LOG_INFO, "GeckoPlugins" , ## args)
michael@0: #define ASSIGN(obj, name)   (obj)->name = anp_bitmap_##name
michael@0: 
michael@0: 
michael@0: #define SK_A32_BITS     8
michael@0: #define SK_R32_BITS     8
michael@0: #define SK_G32_BITS     8
michael@0: #define SK_B32_BITS     8
michael@0: 
michael@0: #ifdef IS_BIG_ENDIAN
michael@0: #define SK_R32_SHIFT    24
michael@0: #define SK_G32_SHIFT    16
michael@0: #define SK_B32_SHIFT    8
michael@0: #define SK_A32_SHIFT    0
michael@0: #else
michael@0: #define SK_R32_SHIFT    0
michael@0: #define SK_G32_SHIFT    8
michael@0: #define SK_B32_SHIFT    16
michael@0: #define SK_A32_SHIFT    24
michael@0: #endif
michael@0: 
michael@0: #define SK_A32_MASK     ((1 << SK_A32_BITS) - 1)
michael@0: #define SK_R32_MASK     ((1 << SK_R32_BITS) - 1)
michael@0: #define SK_G32_MASK     ((1 << SK_G32_BITS) - 1)
michael@0: #define SK_B32_MASK     ((1 << SK_B32_BITS) - 1)
michael@0: 
michael@0: #define SK_R16_BITS     5
michael@0: #define SK_G16_BITS     6
michael@0: #define SK_B16_BITS     5
michael@0: 
michael@0: #define SK_R16_SHIFT    (SK_B16_BITS + SK_G16_BITS)
michael@0: #define SK_G16_SHIFT    (SK_B16_BITS)
michael@0: #define SK_B16_SHIFT    0
michael@0: 
michael@0: #define SK_R16_MASK     ((1 << SK_R16_BITS) - 1)
michael@0: #define SK_G16_MASK     ((1 << SK_G16_BITS) - 1)
michael@0: #define SK_B16_MASK     ((1 << SK_B16_BITS) - 1)
michael@0: 
michael@0: bool
michael@0: anp_bitmap_getPixelPacking(ANPBitmapFormat fmt, ANPPixelPacking* packing) {
michael@0:   LOG("%s", __PRETTY_FUNCTION__);
michael@0:   switch (fmt) {
michael@0:     case kRGBA_8888_ANPBitmapFormat:
michael@0:       if (packing) {
michael@0:         packing->AShift = SK_A32_SHIFT;
michael@0:         packing->ABits  = SK_A32_BITS;
michael@0:         packing->RShift = SK_R32_SHIFT;
michael@0:         packing->RBits  = SK_R32_BITS;
michael@0:         packing->GShift = SK_G32_SHIFT;
michael@0:         packing->GBits  = SK_G32_BITS;
michael@0:         packing->BShift = SK_B32_SHIFT;
michael@0:         packing->BBits  = SK_B32_BITS;
michael@0:       }
michael@0:       return true;
michael@0:     case kRGB_565_ANPBitmapFormat:
michael@0:       if (packing) {
michael@0:         packing->AShift = 0;
michael@0:         packing->ABits  = 0;
michael@0:         packing->RShift = SK_R16_SHIFT;
michael@0:         packing->RBits  = SK_R16_BITS;
michael@0:         packing->GShift = SK_G16_SHIFT;
michael@0:         packing->GBits  = SK_G16_BITS;
michael@0:         packing->BShift = SK_B16_SHIFT;
michael@0:         packing->BBits  = SK_B16_BITS;
michael@0:       }
michael@0:       return true;
michael@0:   default:
michael@0:     break;
michael@0:   }
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: void InitBitmapInterface(ANPBitmapInterfaceV0 *i) {
michael@0:   _assert(i->inSize == sizeof(*i));
michael@0:   ASSIGN(i, getPixelPacking);
michael@0: }