125 lines
3.3 KiB
C++
125 lines
3.3 KiB
C++
/*
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* Copyright (C) 2013-2019 Haiku, inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "PlatformImage.h"
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#include <interface/Bitmap.h>
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#include <BitmapStream.h>
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#include <TranslationUtils.h>
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#include <TranslatorRoster.h>
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#include <string.h>
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namespace ImageDiff {
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std::unique_ptr<PlatformImage> PlatformImage::createFromStdin(size_t imageSize)
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{
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auto imageBuffer = new unsigned char[imageSize];
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if (!imageBuffer)
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return nullptr;
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const size_t bytesRead = fread(imageBuffer, 1, imageSize, stdin);
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if (bytesRead <= 0) {
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delete[] imageBuffer;
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return nullptr;
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}
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BMemoryIO imageData(imageBuffer, imageSize);
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BBitmap* image = BTranslationUtils::GetBitmap(&imageData);
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delete[] imageBuffer;
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if (image == NULL)
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return nullptr;
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return std::make_unique<PlatformImage>(image);
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}
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std::unique_ptr<PlatformImage> PlatformImage::createFromDiffData(void* data, size_t width, size_t height)
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{
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BBitmap* surface = new BBitmap(BRect(0, 0, width - 1, height - 1), B_GRAY8);
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void* dest = surface->Bits();
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memcpy(dest, data, width * height);
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free(data);
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return std::make_unique<PlatformImage>(surface);
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}
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PlatformImage::PlatformImage(BBitmap* surface)
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: m_image(surface)
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{
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}
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PlatformImage::~PlatformImage()
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{
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delete m_image;
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}
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size_t PlatformImage::width() const
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{
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return m_image->Bounds().Width() + 1;
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}
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size_t PlatformImage::height() const
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{
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return m_image->Bounds().Height() + 1;
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}
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size_t PlatformImage::rowBytes() const
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{
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return m_image->BytesPerRow();
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}
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bool PlatformImage::hasAlpha() const
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{
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return m_image->ColorSpace() == B_RGBA32;
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}
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unsigned char* PlatformImage::pixels() const
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{
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return (unsigned char*)m_image->Bits();
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}
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void PlatformImage::writeAsPNGToStdout()
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{
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BMallocIO imageData;
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BBitmapStream input(m_image);
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if (BTranslatorRoster::Default()->Translate(&input, NULL, NULL,
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&imageData, B_PNG_FORMAT) == B_OK) {
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printf("Content-Length: %ld\n", imageData.BufferLength());
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fwrite(imageData.Buffer(), 1, imageData.BufferLength(), stdout);
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fflush(stdout);
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}
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BBitmap* foo = NULL;
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input.DetachBitmap(&foo);
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}
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} // namespace ImageDiff
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