mirror of
https://invent.kde.org/frameworks/kimageformats.git
synced 2025-05-28 00:30:23 -04:00
Remove the xv image format plugin
It appears to be some internal format of xview, although I cannot find any mention of such a thing on the internet. There does not appear to be any sort of mime type to associate with this file format, either. Therefore, I think it is reasonable to declare it obsolete. REVIEW: 115768
This commit is contained in:
Alex Merry
parent
18ddd0920f
commit
3eafdc861a
@ -53,7 +53,6 @@ kimageformats_read_tests(
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rgb
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tga
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xcf
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xv
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)
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# Basic write tests
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@ -70,5 +69,4 @@ kimageformats_write_tests(
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pic-lossless
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rgb-lossless
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tga # fixme: the alpha images appear not to be written properly
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xv
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)
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Binary file not shown.
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Before Width: | Height: | Size: 969 B |
Binary file not shown.
Binary file not shown.
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Before Width: | Height: | Size: 1.1 KiB |
@ -1,6 +0,0 @@
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P7 332
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#XVVERSION:
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#IMGINFO:
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#END_OF_COMMENTS:
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32 32 255
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EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>++<2B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>蹞撣<E8B99E><E692A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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@ -125,11 +125,3 @@ target_link_libraries(kimg_xcf Qt5::Gui)
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install(TARGETS kimg_xcf DESTINATION ${QT_PLUGIN_INSTALL_DIR}/imageformats/)
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install(FILES xcf.desktop DESTINATION ${SERVICES_INSTALL_DIR}/qimageioplugins/)
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##################################
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add_library(kimg_xview MODULE xview.cpp)
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target_link_libraries(kimg_xview Qt5::Gui)
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install(TARGETS kimg_xview DESTINATION ${QT_PLUGIN_INSTALL_DIR}/imageformats/)
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install(FILES xv.desktop DESTINATION ${SERVICES_INSTALL_DIR}/qimageioplugins/)
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@ -1,7 +0,0 @@
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[Desktop Entry]
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Type=Service
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X-KDE-ServiceTypes=QImageIOPlugins
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X-KDE-ImageFormat=xv
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X-KDE-MimeType=
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X-KDE-Read=true
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X-KDE-Write=true
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@ -1,242 +0,0 @@
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/**
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* QImageIO Routines to read/write XV images.
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* copyright (c) 1998 Torben Weis <weis@kde.org>
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* copyright (c) 1999 Oliver Eiden <o.eiden@pop.ruhr.de>
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*
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* This library is distributed under the conditions of the GNU LGPL.
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*/
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#include "xview.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <QImage>
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#define BUFSIZE 1024
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static const int b_255_3[] = {0, 85, 170, 255}, // index*255/3
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rg_255_7[] = {0, 36, 72, 109, 145, 182, 218, 255}; // index *255/7
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XVHandler::XVHandler()
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{
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}
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bool XVHandler::canRead() const
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{
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if (canRead(device())) {
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setFormat("xv");
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return true;
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}
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return false;
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}
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bool XVHandler::read(QImage *retImage)
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{
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int x = -1;
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int y = -1;
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int maxval = -1;
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QIODevice *iodev = device();
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char str[ BUFSIZE ];
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// magic number must be "P7 332"
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iodev->readLine(str, BUFSIZE);
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if (strncmp(str, "P7 332", 6)) {
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return false;
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}
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// next line #XVVERSION
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iodev->readLine(str, BUFSIZE);
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if (strncmp(str, "#XVVERSION", 10)) {
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return false;
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}
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// now it gets interesting, #BUILTIN means we are out.
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// if IMGINFO comes, we are happy!
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iodev->readLine(str, BUFSIZE);
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if (strncmp(str, "#IMGINFO:", 9)) {
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return false;
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}
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// after this an #END_OF_COMMENTS signals everything to be ok!
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iodev->readLine(str, BUFSIZE);
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if (strncmp(str, "#END_OF", 7)) {
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return false;
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}
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// now a last line with width, height, maxval which is
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// supposed to be 255
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iodev->readLine(str, BUFSIZE);
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sscanf(str, "%d %d %d", &x, &y, &maxval);
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if (maxval != 255) {
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return false;
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}
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int blocksize = x * y;
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if (x < 0 || y < 0 || blocksize < x || blocksize < y) {
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return false;
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}
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// now follows a binary block of x*y bytes.
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char *block = (char *) malloc(blocksize);
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if (!block) {
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return false;
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}
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if (iodev->read(block, blocksize) != blocksize) {
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free(block);
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return false;
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}
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// Create the image
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QImage image(x, y, QImage::Format_Indexed8);
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int numColors;
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numColors = qMin(maxval + 1, 0);
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numColors = qMax(0, maxval + 1);
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image.setColorCount(numColors);
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// how do the color handling? they are absolute 24bpp
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// or at least can be calculated as such.
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int r, g, b;
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for (int j = 0; j < 256; j++) {
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r = rg_255_7[((j >> 5) & 0x07)];
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g = rg_255_7[((j >> 2) & 0x07)];
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b = b_255_3[((j >> 0) & 0x03)];
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image.setColor(j, qRgb(r, g, b));
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}
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for (int py = 0; py < y; py++) {
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uchar *data = image.scanLine(py);
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memcpy(data, block + py * x, x);
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}
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*retImage = image;
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free(block);
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return true;
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}
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bool XVHandler::write(const QImage &image)
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{
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QIODevice &f = *(device());
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// Removed "f.open(...)" and "f.close()" (tanghus)
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int w = image.width(), h = image.height();
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char str[ 1024 ];
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// magic number must be "P7 332"
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f.write("P7 332\n", 7);
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// next line #XVVERSION
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f.write("#XVVERSION:\n", 12);
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// now it gets interesting, #BUILTIN means we are out.
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// if IMGINFO comes, we are happy!
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f.write("#IMGINFO:\n", 10);
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// after this an #END_OF_COMMENTS signals everything to be ok!
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f.write("#END_OF_COMMENTS:\n", 18);
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// now a last line with width, height, maxval which is supposed to be 255
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sprintf(str, "%i %i 255\n", w, h);
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f.write(str, strlen(str));
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QImage tmpImage(image);
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if (image.depth() == 1) {
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tmpImage = image.convertToFormat(QImage::Format_Indexed8, Qt::AutoColor);
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}
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uchar *buffer = new uchar[ w ];
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for (int py = 0; py < h; py++) {
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const uchar *data = tmpImage.scanLine(py);
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for (int px = 0; px < w; px++) {
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int r, g, b;
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if (tmpImage.depth() == 32) {
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const QRgb *data32 = (QRgb *) data;
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r = qRed(*data32) >> 5;
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g = qGreen(*data32) >> 5;
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b = qBlue(*data32) >> 6;
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data += sizeof(QRgb);
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} else {
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QRgb color = tmpImage.color(*data);
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r = qRed(color) >> 5;
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g = qGreen(color) >> 5;
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b = qBlue(color) >> 6;
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data++;
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}
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buffer[ px ] = (r << 5) | (g << 2) | b;
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}
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f.write((const char *)buffer, w);
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}
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delete[] buffer;
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return true;
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}
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bool XVHandler::canRead(QIODevice *device)
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{
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if (!device) {
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qWarning("XVHandler::canRead() called with no device");
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return false;
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}
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qint64 oldPos = device->pos();
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char head[6];
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qint64 readBytes = device->read(head, sizeof(head));
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if (readBytes != sizeof(head)) {
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if (device->isSequential()) {
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while (readBytes > 0) {
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device->ungetChar(head[readBytes-- - 1]);
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}
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} else {
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device->seek(oldPos);
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}
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return false;
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}
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if (device->isSequential()) {
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while (readBytes > 0) {
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device->ungetChar(head[readBytes-- - 1]);
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}
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} else {
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device->seek(oldPos);
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}
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return qstrncmp(head, "P7 332", 6) == 0;
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}
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QImageIOPlugin::Capabilities XVPlugin::capabilities(QIODevice *device, const QByteArray &format) const
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{
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if (format == "xv") {
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return Capabilities(CanRead | CanWrite);
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}
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if (!format.isEmpty()) {
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return 0;
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}
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if (!device->isOpen()) {
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return 0;
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}
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Capabilities cap;
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if (device->isReadable() && XVHandler::canRead(device)) {
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cap |= CanRead;
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}
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if (device->isWritable()) {
|
||||
cap |= CanWrite;
|
||||
}
|
||||
return cap;
|
||||
}
|
||||
|
||||
QImageIOHandler *XVPlugin::create(QIODevice *device, const QByteArray &format) const
|
||||
{
|
||||
QImageIOHandler *handler = new XVHandler;
|
||||
handler->setDevice(device);
|
||||
handler->setFormat(format);
|
||||
return handler;
|
||||
}
|
||||
@ -1,42 +0,0 @@
|
||||
/**
|
||||
* QImageIO Routines to read/write XV images.
|
||||
* copyright (c) 1998 Torben Weis <weis@kde.org>
|
||||
* copyright (c) 1999 Oliver Eiden <o.eiden@pop.ruhr.de>
|
||||
*
|
||||
* This library is distributed under the conditions of the GNU LGPL.
|
||||
*
|
||||
*
|
||||
* Changelog:
|
||||
* 23.3.99 Oliver Eiden <o.eiden@pop.ruhr.de>
|
||||
* changed the mapping from 3-3-2 decoded pixels to 8-8-8 decoded true-color pixels
|
||||
* now it uses the same mapping as xv, this leads to better visual results
|
||||
* Patch merged in HEAD by Chris Spiegel <matrix@xirtam.org>
|
||||
*/
|
||||
#ifndef KIMG_XVIEW_H
|
||||
#define KIMG_XVIEW_H
|
||||
|
||||
#include <QImageIOPlugin>
|
||||
|
||||
class XVHandler : public QImageIOHandler
|
||||
{
|
||||
public:
|
||||
XVHandler();
|
||||
|
||||
virtual bool canRead() const;
|
||||
virtual bool read(QImage *image);
|
||||
virtual bool write(const QImage &image);
|
||||
|
||||
static bool canRead(QIODevice *device);
|
||||
};
|
||||
|
||||
class XVPlugin : public QImageIOPlugin
|
||||
{
|
||||
Q_OBJECT
|
||||
Q_PLUGIN_METADATA(IID "org.qt-project.Qt.QImageIOHandlerFactoryInterface" FILE "xview.json")
|
||||
|
||||
public:
|
||||
virtual Capabilities capabilities(QIODevice *device, const QByteArray &format) const;
|
||||
virtual QImageIOHandler *create(QIODevice *device, const QByteArray &format = QByteArray()) const;
|
||||
};
|
||||
|
||||
#endif // KIMG_XVIEW_H
|
||||
@ -1,4 +0,0 @@
|
||||
{
|
||||
"Keys": [ "xv" ],
|
||||
"MimeTypes": [ ]
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user