#include <psd_colormode_block.h>

Public Member Functions
	PSDColorModeBlock (psd_color_mode colormode)

bool	read (QIODevice &io)

bool	valid ()

bool	write (QIODevice &io)

Public Attributes
quint32	blocksize

QList< QColor >	colormap

psd_color_mode	colormode

QByteArray	data

QByteArray	duotoneSpecification

QString	error

Detailed Description

Definition at line 15 of file psd_colormode_block.h.

Constructor & Destructor Documentation

◆ PSDColorModeBlock()

PSDColorModeBlock::PSDColorModeBlock ( psd_color_mode colormode )

Definition at line 11 of file psd_colormode_block.cpp.

    : blocksize(0)
    , colormode(colormode)
{
}

Member Function Documentation

◆ read()

bool PSDColorModeBlock::read ( QIODevice & io )

Definition at line 17 of file psd_colormode_block.cpp.

{
    // get length
    psdread(io, blocksize);
 
    if (blocksize == 0) {
        if (colormode == Indexed || colormode == DuoTone) {
            error = "Blocksize of 0 and Indexed or DuoTone colormode";
            return false;
        }
        else {
            return true;
        }
    }
 
    if (colormode == Indexed && blocksize != 768) {
        error = QString("Indexed mode, but block size is %1.").arg(blocksize);
        return false;
    }
 
    data = io.read(blocksize);
    if ((quint32)data.size() != blocksize) return false;
 
    if (colormode == Indexed) {
        int i = 0;
        while (i <= 767) {
            colormap.append(qRgb(data[i],data[i + 1],data[i + 2]));
            i += 3;
        }
    }
    else {
        duotoneSpecification = data;
    }
    return valid();
}

References blocksize, colormap, colormode, data, DuoTone, duotoneSpecification, error, Indexed, psdread(), and valid().

◆ valid()

bool PSDColorModeBlock::valid ( )

Definition at line 78 of file psd_colormode_block.cpp.

{
    if (blocksize == 0 && (colormode == Indexed || colormode == DuoTone)) {
        error = "Blocksize of 0 and Indexed or DuoTone colormode";
        return false;
    }
    if (colormode == Indexed && blocksize != 768) {
        error = QString("Indexed mode, but block size is %1.").arg(blocksize);
        return false;
    }
    if (colormode == DuoTone && blocksize == 0) {
        error = QString("DuoTone mode, but data block is empty");
        return false;
    }
    if ((quint32)data.size() != blocksize) {
        error = QString("Data size is %1, but block size is %2").arg(data.size()).arg(blocksize);
        return false;
    }
    return true;
}

References blocksize, colormode, data, DuoTone, error, and Indexed.

◆ write()

bool PSDColorModeBlock::write ( QIODevice & io )

Definition at line 53 of file psd_colormode_block.cpp.

{
    if (!valid()) {
        error = "Cannot write an invalid Color Mode Block";
        return false;
    }
    if (colormap.size() > 0 && colormode == Indexed) {
        error = "Cannot write indexed color data";
        return false;
    }
    else if (duotoneSpecification.size() > 0 && colormode == DuoTone) {
        quint32 blocksize = duotoneSpecification.size();
        psdwrite(io, blocksize);
        if (io.write(duotoneSpecification.constData(), blocksize) != blocksize) {
            error = "Failed to write duotone specification";
            return false;
        }
    }
    else {
        quint32 i = 0;
        psdwrite(io, i);
    }
    return true;
}

References blocksize, colormap, colormode, DuoTone, duotoneSpecification, error, Indexed, psdwrite(), and valid().

Member Data Documentation

◆ blocksize

quint32 PSDColorModeBlock::blocksize

Definition at line 25 of file psd_colormode_block.h.

◆ colormap

QList<QColor> PSDColorModeBlock::colormap

Definition at line 33 of file psd_colormode_block.h.

◆ colormode

psd_color_mode PSDColorModeBlock::colormode

Definition at line 26 of file psd_colormode_block.h.

◆ data

QByteArray PSDColorModeBlock::data

Definition at line 27 of file psd_colormode_block.h.

◆ duotoneSpecification

QByteArray PSDColorModeBlock::duotoneSpecification

Definition at line 34 of file psd_colormode_block.h.

◆ error

QString PSDColorModeBlock::error

Definition at line 29 of file psd_colormode_block.h.

The documentation for this class was generated from the following files:

plugins/impex/psd/psd_colormode_block.h
plugins/impex/psd/psd_colormode_block.cpp

Public Member Functions

Public Attributes