gecko-dev/other-licenses/skia-npapi/SkANP.cpp

/*
 * Copyright 2008, The Android Open Source Project
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

// must include config.h first for webkit to fiddle with new/delete
#include "SkANP.h"

SkRect* SkANP::SetRect(SkRect* dst, const ANPRectF& src) {
    dst->set(SkFloatToScalar(src.left),
             SkFloatToScalar(src.top),
             SkFloatToScalar(src.right),
             SkFloatToScalar(src.bottom));
    return dst;
}

SkIRect* SkANP::SetRect(SkIRect* dst, const ANPRectI& src) {
    dst->set(src.left, src.top, src.right, src.bottom);
    return dst;
}

ANPRectI* SkANP::SetRect(ANPRectI* dst, const SkIRect& src) {
    dst->left = src.fLeft;
    dst->top = src.fTop;
    dst->right = src.fRight;
    dst->bottom = src.fBottom;
    return dst;
}

ANPRectF* SkANP::SetRect(ANPRectF* dst, const SkRect& src) {
    dst->left = SkScalarToFloat(src.fLeft);
    dst->top = SkScalarToFloat(src.fTop);
    dst->right = SkScalarToFloat(src.fRight);
    dst->bottom = SkScalarToFloat(src.fBottom);
    return dst;
}

SkBitmap* SkANP::SetBitmap(SkBitmap* dst, const ANPBitmap& src) {
    SkColorType colorType = kUnknown_SkColorType;

    switch (src.format) {
        case kRGBA_8888_ANPBitmapFormat:
            // Let Skia choose the correct colour type for us based on its
            // endianness. This should be correct.
            colorType = kN32_SkColorType;
            break;
        case kRGB_565_ANPBitmapFormat:
            colorType = kRGB_565_SkColorType;
            break;
        default:
            break;
    }

    SkImageInfo info = SkImageInfo::Make(src.width, src.height, colorType, kPremul_SkAlphaType);
    dst->setInfo(info, src.rowBytes);
    dst->setPixels(src.baseAddr);
    return dst;
}

bool SkANP::SetBitmap(ANPBitmap* dst, const SkBitmap& src) {
    if (!(dst->baseAddr = src.getPixels())) {
        SkDebugf("SkANP::SetBitmap - getPixels() returned null\n");
        return false;
    }

    switch (src.colorType()) {
        case SkColorType::kRGBA_8888_SkColorType:
            dst->format = kRGBA_8888_ANPBitmapFormat;
            break;
        case SkColorType::kRGB_565_SkColorType:
            dst->format = kRGB_565_ANPBitmapFormat;
            break;
        default:
            SkDebugf("SkANP::SetBitmap - unsupported src.colorType %d\n", src.colorType());
            return false;
    }

    dst->width    = src.width();
    dst->height   = src.height();
    dst->rowBytes = src.rowBytes();
    return true;
}

void SkANP::InitEvent(ANPEvent* event, ANPEventType et) {
    event->inSize = sizeof(ANPEvent);
    event->eventType = et;
}