- port to minGw
git-svn-id: http://moon:8086/svn/software/trunk/projects/JaySynth@235 b431acfa-c32f-4a4a-93f1-934dc6c82436
This commit is contained in:
@@ -0,0 +1,659 @@
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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ImagePixelData::ImagePixelData (const Image::PixelFormat format, const int w, const int h)
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: pixelFormat (format), width (w), height (h)
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{
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jassert (format == Image::RGB || format == Image::ARGB || format == Image::SingleChannel);
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jassert (w > 0 && h > 0); // It's illegal to create a zero-sized image!
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}
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ImagePixelData::~ImagePixelData()
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{
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listeners.call (&Listener::imageDataBeingDeleted, this);
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}
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void ImagePixelData::sendDataChangeMessage()
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{
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listeners.call (&Listener::imageDataChanged, this);
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}
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//==============================================================================
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ImageType::ImageType() {}
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ImageType::~ImageType() {}
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Image ImageType::convert (const Image& source) const
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{
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if (source.isNull() || getTypeID() == (ScopedPointer<ImageType> (source.getPixelData()->createType())->getTypeID()))
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return source;
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const Image::BitmapData src (source, Image::BitmapData::readOnly);
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Image newImage (create (src.pixelFormat, src.width, src.height, false));
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Image::BitmapData dest (newImage, Image::BitmapData::writeOnly);
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jassert (src.pixelStride == dest.pixelStride && src.pixelFormat == dest.pixelFormat);
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for (int y = 0; y < dest.height; ++y)
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memcpy (dest.getLinePointer (y), src.getLinePointer (y), (size_t) dest.lineStride);
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return newImage;
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}
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//==============================================================================
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class SoftwarePixelData : public ImagePixelData
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{
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public:
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SoftwarePixelData (const Image::PixelFormat format_, const int w, const int h, const bool clearImage)
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: ImagePixelData (format_, w, h),
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pixelStride (format_ == Image::RGB ? 3 : ((format_ == Image::ARGB) ? 4 : 1)),
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lineStride ((pixelStride * jmax (1, w) + 3) & ~3)
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{
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imageData.allocate ((size_t) (lineStride * jmax (1, h)), clearImage);
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}
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LowLevelGraphicsContext* createLowLevelContext() override
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{
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sendDataChangeMessage();
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return new LowLevelGraphicsSoftwareRenderer (Image (this));
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}
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void initialiseBitmapData (Image::BitmapData& bitmap, int x, int y, Image::BitmapData::ReadWriteMode mode) override
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{
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bitmap.data = imageData + x * pixelStride + y * lineStride;
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bitmap.pixelFormat = pixelFormat;
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bitmap.lineStride = lineStride;
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bitmap.pixelStride = pixelStride;
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if (mode != Image::BitmapData::readOnly)
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sendDataChangeMessage();
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}
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ImagePixelData* clone() override
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{
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SoftwarePixelData* s = new SoftwarePixelData (pixelFormat, width, height, false);
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memcpy (s->imageData, imageData, (size_t) (lineStride * height));
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return s;
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}
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ImageType* createType() const override { return new SoftwareImageType(); }
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private:
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HeapBlock<uint8> imageData;
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const int pixelStride, lineStride;
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JUCE_LEAK_DETECTOR (SoftwarePixelData)
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};
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SoftwareImageType::SoftwareImageType() {}
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SoftwareImageType::~SoftwareImageType() {}
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ImagePixelData::Ptr SoftwareImageType::create (Image::PixelFormat format, int width, int height, bool clearImage) const
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{
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return new SoftwarePixelData (format, width, height, clearImage);
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}
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int SoftwareImageType::getTypeID() const
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{
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return 2;
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}
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//==============================================================================
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NativeImageType::NativeImageType() {}
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NativeImageType::~NativeImageType() {}
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int NativeImageType::getTypeID() const
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{
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return 1;
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}
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#if JUCE_WINDOWS || JUCE_LINUX
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ImagePixelData::Ptr NativeImageType::create (Image::PixelFormat format, int width, int height, bool clearImage) const
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{
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return new SoftwarePixelData (format, width, height, clearImage);
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}
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#endif
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//==============================================================================
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class SubsectionPixelData : public ImagePixelData
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{
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public:
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SubsectionPixelData (ImagePixelData* const im, const Rectangle<int>& r)
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: ImagePixelData (im->pixelFormat, r.getWidth(), r.getHeight()),
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image (im), area (r)
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{
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}
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LowLevelGraphicsContext* createLowLevelContext() override
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{
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LowLevelGraphicsContext* g = image->createLowLevelContext();
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g->clipToRectangle (area);
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g->setOrigin (area.getPosition());
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return g;
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}
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void initialiseBitmapData (Image::BitmapData& bitmap, int x, int y, Image::BitmapData::ReadWriteMode mode) override
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{
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image->initialiseBitmapData (bitmap, x + area.getX(), y + area.getY(), mode);
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if (mode != Image::BitmapData::readOnly)
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sendDataChangeMessage();
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}
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ImagePixelData* clone() override
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{
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jassert (getReferenceCount() > 0); // (This method can't be used on an unowned pointer, as it will end up self-deleting)
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const ScopedPointer<ImageType> type (image->createType());
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Image newImage (type->create (pixelFormat, area.getWidth(), area.getHeight(), pixelFormat != Image::RGB));
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{
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Graphics g (newImage);
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g.drawImageAt (Image (this), 0, 0);
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}
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newImage.getPixelData()->incReferenceCount();
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return newImage.getPixelData();
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}
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ImageType* createType() const override { return image->createType(); }
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private:
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const ImagePixelData::Ptr image;
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const Rectangle<int> area;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SubsectionPixelData)
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};
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Image Image::getClippedImage (const Rectangle<int>& area) const
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{
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if (area.contains (getBounds()))
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return *this;
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const Rectangle<int> validArea (area.getIntersection (getBounds()));
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return Image (validArea.isEmpty() ? nullptr : new SubsectionPixelData (image, validArea));
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}
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//==============================================================================
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Image::Image() noexcept
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{
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}
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Image::Image (ImagePixelData* const instance) noexcept
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: image (instance)
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{
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}
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Image::Image (const PixelFormat format, int width, int height, bool clearImage)
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: image (NativeImageType().create (format, width, height, clearImage))
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{
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}
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Image::Image (const PixelFormat format, int width, int height, bool clearImage, const ImageType& type)
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: image (type.create (format, width, height, clearImage))
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{
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}
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Image::Image (const Image& other) noexcept
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: image (other.image)
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{
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}
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Image& Image::operator= (const Image& other)
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{
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image = other.image;
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return *this;
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}
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#if JUCE_COMPILER_SUPPORTS_MOVE_SEMANTICS
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Image::Image (Image&& other) noexcept
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: image (static_cast <ImagePixelData::Ptr&&> (other.image))
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{
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}
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Image& Image::operator= (Image&& other) noexcept
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{
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image = static_cast <ImagePixelData::Ptr&&> (other.image);
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return *this;
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}
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#endif
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Image::~Image()
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{
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}
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const Image Image::null;
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int Image::getReferenceCount() const noexcept { return image == nullptr ? 0 : image->getReferenceCount(); }
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int Image::getWidth() const noexcept { return image == nullptr ? 0 : image->width; }
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int Image::getHeight() const noexcept { return image == nullptr ? 0 : image->height; }
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Rectangle<int> Image::getBounds() const noexcept { return image == nullptr ? Rectangle<int>() : Rectangle<int> (image->width, image->height); }
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Image::PixelFormat Image::getFormat() const noexcept { return image == nullptr ? UnknownFormat : image->pixelFormat; }
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bool Image::isARGB() const noexcept { return getFormat() == ARGB; }
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bool Image::isRGB() const noexcept { return getFormat() == RGB; }
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bool Image::isSingleChannel() const noexcept { return getFormat() == SingleChannel; }
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bool Image::hasAlphaChannel() const noexcept { return getFormat() != RGB; }
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LowLevelGraphicsContext* Image::createLowLevelContext() const
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{
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return image == nullptr ? nullptr : image->createLowLevelContext();
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}
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void Image::duplicateIfShared()
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{
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if (image != nullptr && image->getReferenceCount() > 1)
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image = image->clone();
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}
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Image Image::createCopy() const
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{
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if (image != nullptr)
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return Image (image->clone());
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return Image();
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}
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Image Image::rescaled (const int newWidth, const int newHeight, const Graphics::ResamplingQuality quality) const
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{
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if (image == nullptr || (image->width == newWidth && image->height == newHeight))
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return *this;
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const ScopedPointer<ImageType> type (image->createType());
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Image newImage (type->create (image->pixelFormat, newWidth, newHeight, hasAlphaChannel()));
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Graphics g (newImage);
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g.setImageResamplingQuality (quality);
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g.drawImageTransformed (*this, AffineTransform::scale (newWidth / (float) image->width,
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newHeight / (float) image->height), false);
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return newImage;
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}
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Image Image::convertedToFormat (PixelFormat newFormat) const
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{
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if (image == nullptr || newFormat == image->pixelFormat)
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return *this;
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const int w = image->width, h = image->height;
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const ScopedPointer<ImageType> type (image->createType());
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Image newImage (type->create (newFormat, w, h, false));
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if (newFormat == SingleChannel)
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{
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if (! hasAlphaChannel())
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{
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newImage.clear (getBounds(), Colours::black);
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}
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else
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{
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const BitmapData destData (newImage, 0, 0, w, h, BitmapData::writeOnly);
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const BitmapData srcData (*this, 0, 0, w, h);
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for (int y = 0; y < h; ++y)
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{
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const PixelARGB* const src = (const PixelARGB*) srcData.getLinePointer (y);
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uint8* const dst = destData.getLinePointer (y);
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for (int x = 0; x < w; ++x)
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dst[x] = src[x].getAlpha();
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}
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}
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}
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else if (image->pixelFormat == SingleChannel && newFormat == Image::ARGB)
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{
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const BitmapData destData (newImage, 0, 0, w, h, BitmapData::writeOnly);
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const BitmapData srcData (*this, 0, 0, w, h);
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for (int y = 0; y < h; ++y)
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{
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const PixelAlpha* const src = (const PixelAlpha*) srcData.getLinePointer (y);
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PixelARGB* const dst = (PixelARGB*) destData.getLinePointer (y);
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for (int x = 0; x < w; ++x)
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dst[x].set (src[x]);
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}
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||||
}
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else
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{
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||||
if (hasAlphaChannel())
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newImage.clear (getBounds());
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||||
Graphics g (newImage);
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g.drawImageAt (*this, 0, 0);
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||||
}
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||||
|
||||
return newImage;
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||||
}
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||||
|
||||
NamedValueSet* Image::getProperties() const
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||||
{
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||||
return image == nullptr ? nullptr : &(image->userData);
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||||
}
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||||
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||||
//==============================================================================
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||||
Image::BitmapData::BitmapData (Image& im, const int x, const int y, const int w, const int h, BitmapData::ReadWriteMode mode)
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||||
: width (w), height (h)
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||||
{
|
||||
// The BitmapData class must be given a valid image, and a valid rectangle within it!
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||||
jassert (im.image != nullptr);
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||||
jassert (x >= 0 && y >= 0 && w > 0 && h > 0 && x + w <= im.getWidth() && y + h <= im.getHeight());
|
||||
|
||||
im.image->initialiseBitmapData (*this, x, y, mode);
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||||
jassert (data != nullptr && pixelStride > 0 && lineStride != 0);
|
||||
}
|
||||
|
||||
Image::BitmapData::BitmapData (const Image& im, const int x, const int y, const int w, const int h)
|
||||
: width (w), height (h)
|
||||
{
|
||||
// The BitmapData class must be given a valid image, and a valid rectangle within it!
|
||||
jassert (im.image != nullptr);
|
||||
jassert (x >= 0 && y >= 0 && w > 0 && h > 0 && x + w <= im.getWidth() && y + h <= im.getHeight());
|
||||
|
||||
im.image->initialiseBitmapData (*this, x, y, readOnly);
|
||||
jassert (data != nullptr && pixelStride > 0 && lineStride != 0);
|
||||
}
|
||||
|
||||
Image::BitmapData::BitmapData (const Image& im, BitmapData::ReadWriteMode mode)
|
||||
: width (im.getWidth()),
|
||||
height (im.getHeight())
|
||||
{
|
||||
// The BitmapData class must be given a valid image!
|
||||
jassert (im.image != nullptr);
|
||||
|
||||
im.image->initialiseBitmapData (*this, 0, 0, mode);
|
||||
jassert (data != nullptr && pixelStride > 0 && lineStride != 0);
|
||||
}
|
||||
|
||||
Image::BitmapData::~BitmapData()
|
||||
{
|
||||
}
|
||||
|
||||
Colour Image::BitmapData::getPixelColour (const int x, const int y) const noexcept
|
||||
{
|
||||
jassert (isPositiveAndBelow (x, width) && isPositiveAndBelow (y, height));
|
||||
|
||||
const uint8* const pixel = getPixelPointer (x, y);
|
||||
|
||||
switch (pixelFormat)
|
||||
{
|
||||
case Image::ARGB: return Colour (((const PixelARGB*) pixel)->getUnpremultipliedARGB());
|
||||
case Image::RGB: return Colour (((const PixelRGB*) pixel)->getUnpremultipliedARGB());
|
||||
case Image::SingleChannel: return Colour (((const PixelAlpha*) pixel)->getUnpremultipliedARGB());
|
||||
default: jassertfalse; break;
|
||||
}
|
||||
|
||||
return Colour();
|
||||
}
|
||||
|
||||
void Image::BitmapData::setPixelColour (const int x, const int y, Colour colour) const noexcept
|
||||
{
|
||||
jassert (isPositiveAndBelow (x, width) && isPositiveAndBelow (y, height));
|
||||
|
||||
uint8* const pixel = getPixelPointer (x, y);
|
||||
const PixelARGB col (colour.getPixelARGB());
|
||||
|
||||
switch (pixelFormat)
|
||||
{
|
||||
case Image::ARGB: ((PixelARGB*) pixel)->set (col); break;
|
||||
case Image::RGB: ((PixelRGB*) pixel)->set (col); break;
|
||||
case Image::SingleChannel: ((PixelAlpha*) pixel)->set (col); break;
|
||||
default: jassertfalse; break;
|
||||
}
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
void Image::clear (const Rectangle<int>& area, Colour colourToClearTo)
|
||||
{
|
||||
const ScopedPointer<LowLevelGraphicsContext> g (image->createLowLevelContext());
|
||||
g->setFill (colourToClearTo);
|
||||
g->fillRect (area, true);
|
||||
}
|
||||
|
||||
//==============================================================================
|
||||
Colour Image::getPixelAt (const int x, const int y) const
|
||||
{
|
||||
if (isPositiveAndBelow (x, getWidth()) && isPositiveAndBelow (y, getHeight()))
|
||||
{
|
||||
const BitmapData srcData (*this, x, y, 1, 1);
|
||||
return srcData.getPixelColour (0, 0);
|
||||
}
|
||||
|
||||
return Colour();
|
||||
}
|
||||
|
||||
void Image::setPixelAt (const int x, const int y, Colour colour)
|
||||
{
|
||||
if (isPositiveAndBelow (x, getWidth()) && isPositiveAndBelow (y, getHeight()))
|
||||
{
|
||||
const BitmapData destData (*this, x, y, 1, 1, BitmapData::writeOnly);
|
||||
destData.setPixelColour (0, 0, colour);
|
||||
}
|
||||
}
|
||||
|
||||
void Image::multiplyAlphaAt (const int x, const int y, const float multiplier)
|
||||
{
|
||||
if (isPositiveAndBelow (x, getWidth()) && isPositiveAndBelow (y, getHeight())
|
||||
&& hasAlphaChannel())
|
||||
{
|
||||
const BitmapData destData (*this, x, y, 1, 1, BitmapData::readWrite);
|
||||
|
||||
if (isARGB())
|
||||
((PixelARGB*) destData.data)->multiplyAlpha (multiplier);
|
||||
else
|
||||
*(destData.data) = (uint8) (*(destData.data) * multiplier);
|
||||
}
|
||||
}
|
||||
|
||||
template <class PixelType>
|
||||
struct PixelIterator
|
||||
{
|
||||
template <class PixelOperation>
|
||||
static void iterate (const Image::BitmapData& data, const PixelOperation& pixelOp)
|
||||
{
|
||||
for (int y = 0; y < data.height; ++y)
|
||||
{
|
||||
uint8* p = data.getLinePointer (y);
|
||||
|
||||
for (int x = 0; x < data.width; ++x)
|
||||
{
|
||||
pixelOp (*(PixelType*) p);
|
||||
p += data.pixelStride;
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
template <class PixelOperation>
|
||||
static void performPixelOp (const Image::BitmapData& data, const PixelOperation& pixelOp)
|
||||
{
|
||||
switch (data.pixelFormat)
|
||||
{
|
||||
case Image::ARGB: PixelIterator<PixelARGB> ::iterate (data, pixelOp); break;
|
||||
case Image::RGB: PixelIterator<PixelRGB> ::iterate (data, pixelOp); break;
|
||||
case Image::SingleChannel: PixelIterator<PixelAlpha>::iterate (data, pixelOp); break;
|
||||
default: jassertfalse; break;
|
||||
}
|
||||
}
|
||||
|
||||
struct AlphaMultiplyOp
|
||||
{
|
||||
AlphaMultiplyOp (float alpha_) noexcept : alpha (alpha_) {}
|
||||
|
||||
const float alpha;
|
||||
|
||||
template <class PixelType>
|
||||
void operator() (PixelType& pixel) const
|
||||
{
|
||||
pixel.multiplyAlpha (alpha);
|
||||
}
|
||||
|
||||
JUCE_DECLARE_NON_COPYABLE (AlphaMultiplyOp)
|
||||
};
|
||||
|
||||
void Image::multiplyAllAlphas (const float amountToMultiplyBy)
|
||||
{
|
||||
jassert (hasAlphaChannel());
|
||||
|
||||
const BitmapData destData (*this, 0, 0, getWidth(), getHeight(), BitmapData::readWrite);
|
||||
performPixelOp (destData, AlphaMultiplyOp (amountToMultiplyBy));
|
||||
}
|
||||
|
||||
struct DesaturateOp
|
||||
{
|
||||
template <class PixelType>
|
||||
void operator() (PixelType& pixel) const
|
||||
{
|
||||
pixel.desaturate();
|
||||
}
|
||||
};
|
||||
|
||||
void Image::desaturate()
|
||||
{
|
||||
if (isARGB() || isRGB())
|
||||
{
|
||||
const BitmapData destData (*this, 0, 0, getWidth(), getHeight(), BitmapData::readWrite);
|
||||
performPixelOp (destData, DesaturateOp());
|
||||
}
|
||||
}
|
||||
|
||||
void Image::createSolidAreaMask (RectangleList<int>& result, const float alphaThreshold) const
|
||||
{
|
||||
if (hasAlphaChannel())
|
||||
{
|
||||
const uint8 threshold = (uint8) jlimit (0, 255, roundToInt (alphaThreshold * 255.0f));
|
||||
SparseSet<int> pixelsOnRow;
|
||||
|
||||
const BitmapData srcData (*this, 0, 0, getWidth(), getHeight());
|
||||
|
||||
for (int y = 0; y < srcData.height; ++y)
|
||||
{
|
||||
pixelsOnRow.clear();
|
||||
const uint8* lineData = srcData.getLinePointer (y);
|
||||
|
||||
if (isARGB())
|
||||
{
|
||||
for (int x = 0; x < srcData.width; ++x)
|
||||
{
|
||||
if (((const PixelARGB*) lineData)->getAlpha() >= threshold)
|
||||
pixelsOnRow.addRange (Range<int> (x, x + 1));
|
||||
|
||||
lineData += srcData.pixelStride;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for (int x = 0; x < srcData.width; ++x)
|
||||
{
|
||||
if (*lineData >= threshold)
|
||||
pixelsOnRow.addRange (Range<int> (x, x + 1));
|
||||
|
||||
lineData += srcData.pixelStride;
|
||||
}
|
||||
}
|
||||
|
||||
for (int i = 0; i < pixelsOnRow.getNumRanges(); ++i)
|
||||
{
|
||||
const Range<int> range (pixelsOnRow.getRange (i));
|
||||
result.add (Rectangle<int> (range.getStart(), y, range.getLength(), 1));
|
||||
}
|
||||
|
||||
result.consolidate();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
result.add (0, 0, getWidth(), getHeight());
|
||||
}
|
||||
}
|
||||
|
||||
void Image::moveImageSection (int dx, int dy,
|
||||
int sx, int sy,
|
||||
int w, int h)
|
||||
{
|
||||
if (dx < 0)
|
||||
{
|
||||
w += dx;
|
||||
sx -= dx;
|
||||
dx = 0;
|
||||
}
|
||||
|
||||
if (dy < 0)
|
||||
{
|
||||
h += dy;
|
||||
sy -= dy;
|
||||
dy = 0;
|
||||
}
|
||||
|
||||
if (sx < 0)
|
||||
{
|
||||
w += sx;
|
||||
dx -= sx;
|
||||
sx = 0;
|
||||
}
|
||||
|
||||
if (sy < 0)
|
||||
{
|
||||
h += sy;
|
||||
dy -= sy;
|
||||
sy = 0;
|
||||
}
|
||||
|
||||
const int minX = jmin (dx, sx);
|
||||
const int minY = jmin (dy, sy);
|
||||
|
||||
w = jmin (w, getWidth() - jmax (sx, dx));
|
||||
h = jmin (h, getHeight() - jmax (sy, dy));
|
||||
|
||||
if (w > 0 && h > 0)
|
||||
{
|
||||
const int maxX = jmax (dx, sx) + w;
|
||||
const int maxY = jmax (dy, sy) + h;
|
||||
|
||||
const BitmapData destData (*this, minX, minY, maxX - minX, maxY - minY, BitmapData::readWrite);
|
||||
|
||||
uint8* dst = destData.getPixelPointer (dx - minX, dy - minY);
|
||||
const uint8* src = destData.getPixelPointer (sx - minX, sy - minY);
|
||||
|
||||
const size_t lineSize = (size_t) (destData.pixelStride * w);
|
||||
|
||||
if (dy > sy)
|
||||
{
|
||||
while (--h >= 0)
|
||||
{
|
||||
const int offset = h * destData.lineStride;
|
||||
memmove (dst + offset, src + offset, lineSize);
|
||||
}
|
||||
}
|
||||
else if (dst != src)
|
||||
{
|
||||
while (--h >= 0)
|
||||
{
|
||||
memmove (dst, src, lineSize);
|
||||
dst += destData.lineStride;
|
||||
src += destData.lineStride;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user