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