| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "ImageSlide.h" |
| |
| #include "SkBitmap.h" |
| #include "SkCodec.h" |
| #include "SkColorSpaceXform.h" |
| #include "SkColorSpace.h" |
| #include "SkCanvas.h" |
| #include "SkData.h" |
| #include "SkImage.h" |
| #include "SkMetaData.h" |
| |
| ImageSlide::ImageSlide(const SkString& name, const SkString& path) : fPath(path) { |
| fName = name; |
| } |
| |
| SkISize ImageSlide::getDimensions() const { |
| return fImage ? fImage->dimensions() : SkISize::Make(0, 0); |
| } |
| |
| void ImageSlide::draw(SkCanvas* canvas) { |
| if (canvas->getMetaData().hasBool(kImageColorXformMetaData, true)) { |
| canvas->drawBitmap(fXformedBitmap, 0, 0); |
| } else { |
| // skbug.com/5428 |
| // drawImage() and drawBitmap() behave differently in sRGB mode. |
| // canvas->drawImage(fImage.get(), 0, 0); |
| canvas->drawBitmap(fOriginalBitmap, 0, 0); |
| } |
| } |
| |
| void ImageSlide::load(SkScalar, SkScalar) { |
| sk_sp<SkData> encoded = SkData::MakeFromFileName(fPath.c_str()); |
| fImage = SkImage::MakeFromEncoded(encoded); |
| fImage->asLegacyBitmap(&fOriginalBitmap, SkImage::kRO_LegacyBitmapMode); |
| |
| SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(encoded.get())); |
| sk_sp<SkColorSpace> srcSpace = sk_ref_sp(codec->getColorSpace()); |
| sk_sp<SkColorSpace> dstSpace = SkColorSpace::NewNamed(SkColorSpace::kAdobeRGB_Named); |
| std::unique_ptr<SkColorSpaceXform> xform = SkColorSpaceXform::New(srcSpace, dstSpace); |
| fOriginalBitmap.deepCopyTo(&fXformedBitmap); |
| uint32_t* row = (uint32_t*) fXformedBitmap.getPixels(); |
| for (int y = 0; y < fXformedBitmap.height(); y++) { |
| xform->xform_RGB1_8888(row, row, fXformedBitmap.width()); |
| row = SkTAddOffset<uint32_t>(row, fXformedBitmap.rowBytes()); |
| } |
| fXformedBitmap.notifyPixelsChanged(); // This is needed for the deepCopy |
| } |
| |
| void ImageSlide::unload() { |
| fImage.reset(nullptr); |
| } |