other-licenses/skia-npapi/SkANP.cpp

   1 /*
   2  * Copyright 2008, The Android Open Source Project
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *  * Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  *  * Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 // must include config.h first for webkit to fiddle with new/delete
  27 #include "SkANP.h"
  28
  29 SkRect* SkANP::SetRect(SkRect* dst, const ANPRectF& src) {
  30     dst->set(SkFloatToScalar(src.left),
  31              SkFloatToScalar(src.top),
  32              SkFloatToScalar(src.right),
  33              SkFloatToScalar(src.bottom));
  34     return dst;
  35 }
  36
  37 SkIRect* SkANP::SetRect(SkIRect* dst, const ANPRectI& src) {
  38     dst->set(src.left, src.top, src.right, src.bottom);
  39     return dst;
  40 }
  41
  42 ANPRectI* SkANP::SetRect(ANPRectI* dst, const SkIRect& src) {
  43     dst->left = src.fLeft;
  44     dst->top = src.fTop;
  45     dst->right = src.fRight;
  46     dst->bottom = src.fBottom;
  47     return dst;
  48 }
  49
  50 ANPRectF* SkANP::SetRect(ANPRectF* dst, const SkRect& src) {
  51     dst->left = SkScalarToFloat(src.fLeft);
  52     dst->top = SkScalarToFloat(src.fTop);
  53     dst->right = SkScalarToFloat(src.fRight);
  54     dst->bottom = SkScalarToFloat(src.fBottom);
  55     return dst;
  56 }
  57
  58 SkBitmap* SkANP::SetBitmap(SkBitmap* dst, const ANPBitmap& src) {
  59     SkColorType colorType = kUnknown_SkColorType;
  60
  61     switch (src.format) {
  62         case kRGBA_8888_ANPBitmapFormat:
  63             // Let Skia choose the correct colour type for us based on its
  64             // endianness. This should be correct.
  65             colorType = kN32_SkColorType;
  66             break;
  67         case kRGB_565_ANPBitmapFormat:
  68             colorType = kRGB_565_SkColorType;
  69             break;
  70         default:
  71             break;
  72     }
  73
  74     SkImageInfo info = SkImageInfo::Make(src.width, src.height, colorType, kPremul_SkAlphaType);
  75     dst->setInfo(info, src.rowBytes);
  76     dst->setPixels(src.baseAddr);
  77     return dst;
  78 }
  79
  80 bool SkANP::SetBitmap(ANPBitmap* dst, const SkBitmap& src) {
  81     if (!(dst->baseAddr = src.getPixels())) {
  82         SkDebugf("SkANP::SetBitmap - getPixels() returned null\n");
  83         return false;
  84     }
  85
  86     switch (src.colorType()) {
  87         case SkColorType::kRGBA_8888_SkColorType:
  88             dst->format = kRGBA_8888_ANPBitmapFormat;
  89             break;
  90         case SkColorType::kRGB_565_SkColorType:
  91             dst->format = kRGB_565_ANPBitmapFormat;
  92             break;
  93         default:
  94             SkDebugf("SkANP::SetBitmap - unsupported src.colorType %d\n", src.colorType());
  95             return false;
  96     }
  97
  98     dst->width    = src.width();
  99     dst->height   = src.height();
 100     dst->rowBytes = src.rowBytes();
 101     return true;
 102 }
 103
 104 void SkANP::InitEvent(ANPEvent* event, ANPEventType et) {
 105     event->inSize = sizeof(ANPEvent);
 106     event->eventType = et;
 107 }