ImageLayer Structure#

Equivalent of Photoshops Image Layer

template<typename T>
struct ImageLayer : public Layer<T>#

Public Functions

virtual std::tuple<LayerRecord, ChannelImageData> toPhotoshop(const Enum::ColorMode colorMode, const bool doCopy, const FileHeader &header) override#

Generate a photoshop layerRecord and imageData based on the current layer. if doCopy is set to false this will likely invalidate both our m_ImageData as well as our m_LayerMask since we perform move operations on them. If doCopy is set to true we can safely keep using the ImageLayer instance. it is advised to only set doCopy to false on parsing of the whole layeredFile -> PhotoshopFile.

ImageLayer(const LayerRecord &layerRecord, ChannelImageData &channelImageData, const FileHeader &header)#

Initialize our imageLayer by first parsing the base Layer instance and then moving the additional channels into our representation

ImageLayer(std::unordered_map<Enum::ChannelID, std::vector<T>> &&imageData, const Layer<T>::Params &layerParameters)#

Generate an ImageLayer instance ready to be used in a LayeredFile document.

ImageLayer(std::unordered_map<uint16_t, std::vector<T>> &&imageData, const Layer<T>::Params &layerParameters)#

Generate an ImageLayer instance ready to be used in a LayeredFile document.

std::vector<T> getChannel(const Enum::ChannelID channelID, bool doCopy = true)#

Extract a specified channel from the layer given its channel ID. This also works for masks

Parameters:

  • channelID – the channel ID to extract

  • doCopy – whether to extract the channel by copying the data. If this is false the channel will no longer hold any image data!

std::vector<T> getChannel(const int16_t channelIndex, bool doCopy = true)#

Extract a specified channel from the layer given its channel ID. This also works for masks

Parameters:

  • channelIndex – the channel index to extract

  • doCopy – whether to extract the channel by copying the data. If this is false the channel will no longer hold any image data!

std::unordered_map<Enum::ChannelIDInfo, std::vector<T>, Enum::ChannelIDInfoHasher> getImageData(bool doCopy = true)#

Extract all the channels of the ImageLayer into an unordered_map. Includes the mask channel

Parameters:

doCopy – whether to extract the image data by copying the data. If this is false the channel will no longer hold any image data!

virtual void setCompression(const Enum::Compression compCode)#

Change the compression codec of all the image channels.

Public Members

std::unordered_map<Enum::ChannelIDInfo, ImageChannel<T>, Enum::ChannelIDInfoHasher> m_ImageData#

Store the image data as a per-channel map to be used later using a custom hash function.