#include <juce_graphics.h>
A subclass of ImageFileFormat for reading and writing PNG files.
- See also
- ImageFileFormat, JPEGImageFormat
◆ PNGImageFormat()
PNGImageFormat::PNGImageFormat |
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◆ ~PNGImageFormat()
PNGImageFormat::~PNGImageFormat |
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◆ canUnderstand()
bool PNGImageFormat::canUnderstand |
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InputStream & |
input | ) |
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overridevirtual |
Returns true if the given stream seems to contain data that this format understands.
The format class should only read the first few bytes of the stream and sniff for header bytes that it understands.
Note that this will advance the stream and leave it in a new position, so if you're planning on re-using it, you may want to rewind it after calling this method.
- See also
- decodeImage
Implements juce::ImageFileFormat.
◆ decodeImage()
Tries to decode and return an image from the given stream.
This will be called for an image format after calling its canUnderStand() method to see if it can handle the stream.
- Parameters
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input | the stream to read the data from. The stream will be positioned at the start of the image data (but this may not necessarily be position 0) |
- Returns
- the image that was decoded, or an invalid image if it fails.
- See also
- loadFrom
Implements juce::ImageFileFormat.
◆ getFormatName()
String PNGImageFormat::getFormatName |
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overridevirtual |
◆ usesFileExtension()
bool PNGImageFormat::usesFileExtension |
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const File & |
possibleFile | ) |
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overridevirtual |
◆ writeImageToStream()
bool PNGImageFormat::writeImageToStream |
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const Image & |
sourceImage, |
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OutputStream & |
destStream |
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overridevirtual |
Attempts to write an image to a stream.
To specify extra information like encoding quality, there will be appropriate parameters in the subclasses of the specific file types.
- Returns
- true if it nothing went wrong.
Implements juce::ImageFileFormat.
The documentation for this class was generated from the following files: