From 738cc1b4965ed38546274d24a7fcfd979553cff7 Mon Sep 17 00:00:00 2001
From: ketmar <ketmar@ketmar.no-ip.org>
Date: Mon, 12 Oct 2009 17:39:56 +0300
Subject: [PATCH] seems that import at least can parse CursorFX file

---
 src/xcr/xcrthemefx.cpp | 66 +++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 60 insertions(+), 6 deletions(-)

diff --git a/src/xcr/xcrthemefx.cpp b/src/xcr/xcrthemefx.cpp
index ff255d1..81d3794 100644
--- a/src/xcr/xcrthemefx.cpp
+++ b/src/xcr/xcrthemefx.cpp
@@ -22,13 +22,37 @@
 #include "xcrtheme.h"
 
 
+static const char *curShapeName[] = {
+  "standard arrow",
+  "help arrow (the one with '?')",
+  "working arrow",
+  "busy cursor",
+  "precision select",
+  "text select",
+  "handwriting",
+  "unavailable",
+  "north (vert) resize",
+  "south resize",
+  "west (vert-means horiz?) resize",
+  "east resize",
+  "north-west resize",
+  "south-east resize",
+  "north-east resize",
+  "south-west resize",
+  "move",
+  "alternate select",
+  "hand",
+  "button"
+};
+
+
 ///////////////////////////////////////////////////////////////////////////////
 static QByteArray zlibInflate (const void *buf, int bufSz, int destSz) {
   QByteArray res;
   z_stream stream;
   int err;
 
-  res.reserve(destSz+1);
+  res.resize(destSz+1);
   stream.next_in = (Bytef *)buf;
   stream.avail_in = bufSz;
   stream.zalloc = (alloc_func)0;
@@ -39,13 +63,16 @@ static QByteArray zlibInflate (const void *buf, int bufSz, int destSz) {
   err = inflateInit(&stream);
   if (err != Z_OK) return QByteArray();
   err = inflate(&stream, Z_SYNC_FLUSH);
+  fprintf(stderr, "inflate result: %i\n", err);
   switch (err) {
     case Z_STREAM_END:
       err = inflateEnd(&stream);
+      fprintf(stderr, "Z_STREAM_END: inflate result: %i\n", err);
       if (err != Z_OK) return QByteArray();
       break;
     case Z_OK:
       err = inflateEnd(&stream);
+      fprintf(stderr, "Z_OK: inflate result: %i\n", err);
       if (err != Z_OK) return QByteArray();
       break;
     default: return QByteArray();
@@ -77,6 +104,7 @@ XCursorThemeFX::XCursorThemeFX (const QString &aFileName) : XCursorTheme() {
 
 
 bool XCursorThemeFX::parseCursorFXTheme (const QString &aFileName) {
+ qDebug() << "loading" << aFileName;
   QFile fl(aFileName);
   if (!fl.open(QIODevice::ReadOnly)) return false; // shit!
   QByteArray ba(fl.readAll());
@@ -101,21 +129,27 @@ bool XCursorThemeFX::parseCursorFXTheme (const QString &aFileName) {
   quint32 ihdrSize = baGetDW(ba, pos);
   // now read data
   pos = mainHdrSize;
+ qDebug() << "reading data from" << pos;
   QByteArray unp(zlibInflate(ba.constData()+pos, ba.size()-pos, unDataSize));
-  if (unp.isEmpty()) return false;
+  if (unp.isEmpty()) {
+    qWarning() << "CursorFX: can't depack data";
+    return false;
+  }
   // process resources
   pos = ihdrSize;
+ qDebug() << "resources started at hex" << QString::number(pos, 16);
   while (pos <= unp.size()-12) {
     quint32 ipos = pos; // will be fixed later
     quint32 rtype = baGetDW(unp, pos);
-    /*quint32 basicHdrSize = */baGetDW(unp, pos);
+    quint32 basicHdrSize = baGetDW(unp, pos);
     quint32 itemSize = baGetDW(unp, pos);
+   qDebug() << "pos hex:" << QString::number(pos, 16) << "rtype:" << rtype << "bhdrsz hex:" << QString::number(basicHdrSize, 16) << "itemsz hex:" << QString::number(itemSize, 16);
     if (itemSize < 12) {
       // invalid data
       qWarning() << "CursorFX: invalid data chunk size";
       return false;
     }
-    pos += itemSize; // skip it
+    pos = ipos+itemSize; // skip it
     if (rtype != 2) continue; // not cursor resource
     if (itemSize < 0x4c) {
       qWarning() << "CursorFX: invalid cursor chunk size:" << itemSize;
@@ -130,13 +164,23 @@ bool XCursorThemeFX::parseCursorFXTheme (const QString &aFileName) {
     }
     quint32 curShape = baGetDW(unp, cps);
     quint32 curType = baGetDW(unp, cps);
-    if (curType != 1) continue; // we need only 'normal' cursors
     if (curShape > 19) {
       qWarning() << "CursorFX: unknown cursor shape:" << curShape;
       return false;
     }
+    if (curType != 1) {
+     qDebug() << "skiping 'press' cursor; shape no" << curShape << "named" << curShapeName[curShape];
+      continue;
+      // we need only 'normal' cursors
+    }
+   qDebug() << "cursor shape:" << curShape;
     const char **nlst = findCursorByFXId((int)curShape);
-    if (!nlst) continue; // unknown cursor type, skip it
+    if (!nlst) {
+      // unknown cursor type, skip it
+      qWarning() << "CursorFX: skiping cursor shape:" << curShapeName[curShape];
+      continue;
+    }
+   qDebug() << "importing cursor" << *nlst;
     cps += 4; // skip unknown field
     quint32 frameCnt = baGetDW(unp, cps);
     if (frameCnt < 1) frameCnt = 1; // just in case
@@ -151,6 +195,16 @@ bool XCursorThemeFX::parseCursorFXTheme (const QString &aFileName) {
     quint32 imgDataSize = baGetDW(unp, cps);
     quint32 addonOfs = baGetDW(unp, cps);
     quint32 addonLen = baGetDW(unp, cps);
+   qDebug() <<
+     "cursor data:" <<
+     "\n  frames:" << frameCnt <<
+     "\n  width:" << imgWdt <<
+     "\n  height:" << imgHgt <<
+     "\n  delay:" << imgDelay <<
+     "\n  flags:" << QString::number(aniFlags, 2) <<
+     "\n  xhot:" << imgXHot <<
+     "\n  yhot:" << imgYHot
+   ;
     // now check if we have enought data
     if (ipos+realHdrSize+imgDataSize > (quint32)pos) {
       qWarning() << "CursorFX: cursor data too big";
-- 
2.11.4.GIT