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-rw-r--r--src/kvilib/ext/kvi_databuffer.cpp135
-rw-r--r--src/kvilib/ext/kvi_databuffer.h58
-rw-r--r--src/kvilib/ext/kvi_doublebuffer.cpp82
-rw-r--r--src/kvilib/ext/kvi_doublebuffer.h62
4 files changed, 193 insertions, 144 deletions
diff --git a/src/kvilib/ext/kvi_databuffer.cpp b/src/kvilib/ext/kvi_databuffer.cpp
new file mode 100644
index 000000000..02a74c5f0
--- /dev/null
+++ b/src/kvilib/ext/kvi_databuffer.cpp
@@ -0,0 +1,135 @@
+//=============================================================================
+//
+// File : kvi_databuffer.cpp
+// Creation date : Thu Aug 23 17:04:24 2001 GMT by Szymon Stefanek
+//
+// This file is part of the KVirc irc client distribution
+// Copyright (C) 2001-2008 Szymon Stefanek (pragma at kvirc dot net)
+//
+// This program is FREE software. You can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your opinion) any later version.
+//
+// This program is distributed in the HOPE that it will be USEFUL,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, write to the Free Software Foundation,
+// Inc. ,59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+//=============================================================================
+
+
+#define _KVI_DEBUG_CHECK_RANGE_
+
+#include "kvi_debug.h"
+
+#include "kvi_databuffer.h"
+#include "kvi_malloc.h"
+#include "kvi_memmove.h"
+
+// FIXME: this could resize in chunks!...this would be damn faster :)
+
+KviDataBuffer::KviDataBuffer(int uSize,const unsigned char * data)
+{
+ __range_valid(uSize > 0);
+ m_uSize = uSize;
+ m_pData = (unsigned char *)kvi_malloc(sizeof(unsigned char) * uSize);
+ if(data)kvi_memmove(m_pData,data,uSize);
+}
+
+KviDataBuffer::KviDataBuffer()
+{
+ m_uSize = 0;
+ m_pData = 0;
+}
+
+KviDataBuffer::~KviDataBuffer()
+{
+ if(m_pData)
+ {
+ __range_valid(m_uSize);
+ kvi_free(m_pData);
+ }
+}
+
+int KviDataBuffer::find(const unsigned char * block,int uSize)
+{
+ if(uSize < 1)return -1;
+ if(uSize > m_uSize)return -1;
+
+ int uSearchSize = (m_uSize - uSize) + 1;
+
+ for(int i=0;i<uSearchSize;i++)
+ {
+ if(m_pData[i] == *block)
+ {
+ // good beginning
+ if(uSize == 1)return i;
+ int j;
+ for(j = 1;j<uSize;j++)
+ {
+ if(m_pData[i + j] != block[j])
+ {
+ j = 0;
+ break;
+ }
+ }
+ if(j > 0)return i;
+ }
+ }
+
+ return -1;
+}
+
+int KviDataBuffer::find(unsigned char c)
+{
+ const unsigned char * p = m_pData;
+ const unsigned char * e = p + m_uSize;
+ while(p < e)
+ {
+ if(*p == c)return (p - m_pData);
+ p++;
+ }
+ return -1;
+}
+
+
+void KviDataBuffer::remove(int uSize)
+{
+ __range_valid((uSize <= m_uSize) && (uSize > 0));
+
+ m_uSize -= uSize;
+
+ if(m_uSize > 0)
+ {
+ kvi_memmove(m_pData,m_pData + uSize,m_uSize);
+ m_pData = (unsigned char *)kvi_realloc(m_pData,m_uSize * sizeof(unsigned char));
+ } else {
+ kvi_free(m_pData);
+ m_pData = 0;
+ }
+}
+
+void KviDataBuffer::resize(int uSize)
+{
+ __range_valid(uSize >= 0);
+ if(uSize > 0)
+ {
+ m_pData = (unsigned char *)kvi_realloc(m_pData,uSize * sizeof(unsigned char));
+ } else {
+ kvi_free(m_pData);
+ m_pData = 0;
+ }
+ m_uSize = uSize;
+}
+
+void KviDataBuffer::append(const unsigned char * data,int uSize)
+{
+ m_pData = (unsigned char *)kvi_realloc(m_pData,m_uSize + uSize);
+ kvi_memmove(m_pData + m_uSize,data,uSize);
+ m_uSize += uSize;
+}
diff --git a/src/kvilib/ext/kvi_databuffer.h b/src/kvilib/ext/kvi_databuffer.h
new file mode 100644
index 000000000..bbeaf72ff
--- /dev/null
+++ b/src/kvilib/ext/kvi_databuffer.h
@@ -0,0 +1,58 @@
+#ifndef _KVI_DATABUFFER_H_
+#define _KVI_DATABUFFER_H_
+//=============================================================================
+//
+// File : kvi_databuffer.h
+// Creation date : Thu Aug 23 17:04:25 2001 GMT by Szymon Stefanek
+//
+// This file is part of the KVirc irc client distribution
+// Copyright (C) 2001 Szymon Stefanek (pragma at kvirc dot net)
+//
+// This program is FREE software. You can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your opinion) any later version.
+//
+// This program is distributed in the HOPE that it will be USEFUL,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, write to the Free Software Foundation,
+// Inc. ,59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+//=============================================================================
+
+#include "kvi_settings.h"
+#include "kvi_heapobject.h"
+
+class KVILIB_API KviDataBuffer : public KviHeapObject
+{
+public:
+ // uSize MUST be greater than 0
+ // if data is non-zero, it MUST point to a buffer at least uSize bytes long
+ // and the data is COPIED from that buffer!
+ KviDataBuffer(int uSize,const unsigned char * data = 0);
+ KviDataBuffer();
+ ~KviDataBuffer();
+private:
+ int m_uSize;
+ unsigned char * m_pData;
+public:
+ int size() const { return m_uSize; };
+ unsigned char * data() const { return m_pData; };
+ // uSize MUST be smaller or equal to size()
+ // consumes data!
+ void remove(int uSize);
+ void clear(){ if(m_uSize > 0)remove(m_uSize); };
+ // uSize MUST be greater than 0
+ void resize(int uSize);
+ void addSize(int uSize){ resize(m_uSize + uSize); };
+ void append(const unsigned char * data,int uSize);
+ void append(const KviDataBuffer &b){ append(b.data(),b.size()); };
+ int find(unsigned char c);
+ int find(const unsigned char * block,int uSize);
+};
+
+#endif //_KVI_DATABUFFER_H_
diff --git a/src/kvilib/ext/kvi_doublebuffer.cpp b/src/kvilib/ext/kvi_doublebuffer.cpp
deleted file mode 100644
index 343516281..000000000
--- a/src/kvilib/ext/kvi_doublebuffer.cpp
+++ /dev/null
@@ -1,82 +0,0 @@
-//=============================================================================
-//
-// File : kvi_doublebuffer.cpp
-// Creation date : Fri 27 Jan 2006 18:59:54 by Szymon Stefanek
-//
-// This file is part of the KVIrc IRC Client distribution
-// Copyright (C) 2006-2008 Szymon Stefanek <pragma at kvirc dot net>
-//
-// This program is FREE software. You can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your opinion) any later version.
-//
-// This program is distributed in the HOPE that it will be USEFUL,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-// See the GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, write to the Free Software Foundation,
-// Inc. ,59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-//
-//=============================================================================
-
-
-#include "kvi_doublebuffer.h"
-
-static QPixmap * g_pMemoryPixmap = 0;
-static unsigned int g_uMaxRequestedWidth = 0;
-static unsigned int g_uMaxRequestedHeight = 0;
-
-KviDoubleBuffer::KviDoubleBuffer(unsigned int uWidth,unsigned int uHeight)
-{
- if((g_pMemoryPixmap->width() < uWidth) || (g_pMemoryPixmap->height() < uHeight))
- {
- // The memory buffer is too small
- // There is either no such user requirement or it has grown by the meantime
- unsigned int uMaxW = uWidth > g_pMemoryPixmap->width() ? uWidth : g_pMemoryPixmap->width();
- unsigned int uMaxH = uHeight > g_pMemoryPixmap->height() ? uHeight : g_pMemoryPixmap->height();
-
- // QT4SUX: QPixmap::resize() is missing (it's a widely used function and assigning a new QPixmap() seems to be slower and not intuitive)
- *g_pMemoryPixmap = QPixmap(uMaxW,uMaxH);
- }
-
- if(uWidth > g_uMaxRequestedWidth)g_uMaxRequestedWidth = uWidth;
- if(uHeight > g_uMaxRequestedHeight)g_uMaxRequestedHeight = uHeight;
-}
-
-KviDoubleBuffer::~KviDoubleBuffer()
-{
- // We never shrink here (it's time consuming)
-}
-
-QPixmap * KviDoubleBuffer::pixmap()
-{
- return g_pMemoryPixmap;
-}
-
-void KviDoubleBuffer::init()
-{
- if(g_pMemoryPixmap)return;
- g_pMemoryPixmap = new QPixmap();
-}
-
-void KviDoubleBuffer::done()
-{
- if(!g_pMemoryPixmap)return;
- delete g_pMemoryPixmap;
- g_pMemoryPixmap = 0;
-}
-
-void KviDoubleBuffer::heartbeat()
-{
- if(((g_uMaxRequestedHeight + 64) < g_pMemoryPixmap->height()) || ((g_uMaxRequestedWidth + 64) < g_pMemoryPixmap->width()))
- {
- // do shrink :)
- // QT4SUX: QPixmap::resize() is missing (it's a widely used function and assigning a new QPixmap() seems to be slower and not intuitive)
- *g_pMemoryPixmap = QPixmap(g_uMaxRequestedWidth,g_uMaxRequestedHeight);
- }
- g_uMaxRequestedHeight = 0;
- g_uMaxRequestedWidth = 0;
-}
diff --git a/src/kvilib/ext/kvi_doublebuffer.h b/src/kvilib/ext/kvi_doublebuffer.h
deleted file mode 100644
index f950da58a..000000000
--- a/src/kvilib/ext/kvi_doublebuffer.h
+++ /dev/null
@@ -1,62 +0,0 @@
-#ifndef _KVI_DOUBLEBUFFER_H_
-#define _KVI_DOUBLEBUFFER_H_
-//=============================================================================
-//
-// File : kvi_doublebuffer.h
-// Creation date : Fri 27 Jan 2006 18:59:54 by Szymon Stefanek
-//
-// This file is part of the KVIrc IRC Client distribution
-// Copyright (C) 2006-2008 Szymon Stefanek <pragma at kvirc dot net>
-//
-// This program is FREE software. You can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; either version 2
-// of the License, or (at your opinion) any later version.
-//
-// This program is distributed in the HOPE that it will be USEFUL,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-// See the GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, write to the Free Software Foundation,
-// Inc. ,59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-//
-//=============================================================================
-
-#include "kvi_settings.h"
-
-#include <QPixmap>
-
-//
-// This class is basically a huge shared memory pixmap meant to be used in double-buffer
-// painting operations. The memory buffer is resized on the fly so you will always obtain
-// a pixmap that is at least of the specified size. The problem is that this is a time
-// consuming operation (not good in a paint event). We solve it by keeping the buffer
-// with the greatest requested size in the last N minutes.
-//
-// The keyword in all this thingie is "memory is cheap, processing time is not".
-// We know in advance that KVIrc needs a huge double buffer anyway...
-// So we basically grow instantly but we are really lazy at shrinking.
-//
-
-class KVILIB_API KviDoubleBuffer
-{
-public:
- KviDoubleBuffer(unsigned int uWidth,unsigned int uHeight);
- ~KviDoubleBuffer();
-public:
- // This returns a pointer to the memory buffer. The buffer is at least
- // of the size declared in the constructor.
- QPixmap * pixmap();
-
- // The stuff below is internal (used only by KviApp)
-
- // to be called at application initialisation and cleanup
- static void init();
- static void done();
- // this has to be called at sensible intervals (like 2 minutes)
- static void heartbeat();
-};
-
-#endif //!_KVI_DOUBLEBUFFER_H_
generated by cgit v1.3.1-10-gc9f91 (git 2.54.0) at 2026-08-08 08:37:03 +0000