/*
	Neutrino-GUI  -   DBoxII-Project

	Copyright (C) 2001 Steffen Hehn 'McClean'
		      2003 thegoodguy

	mute icon handling from tuxbox project
	Copyright (C) 2009 Stefan Seyfried <seife@tuxboxcvs.slipkontur.de>
	mute icon & info clock handling
	Copyright (C) 2013 M. Liebmann (micha-bbg)

	License: GPL

	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 option) 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., 51 Franklin St, Fifth Floor,
	Boston, MA  02110-1301, USA.
*/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <driver/framebuffer.h>

#include <stdio.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <memory.h>
#include <math.h>

#include <linux/kd.h>

#include <gui/audiomute.h>
#include <gui/color.h>
#include <gui/pictureviewer.h>
#include <system/debug.h>
#include <global.h>
#include <video.h>
#include <cs_api.h>
#ifdef HAVE_COOL_HARDWARE
#include <cnxtfb.h>
#endif

extern cVideo * videoDecoder;

extern CPictureViewer * g_PicViewer;
#define ICON_CACHE_SIZE 1024*1024*2 // 2mb

#define BACKGROUNDIMAGEWIDTH 720

#ifdef BOXMODEL_APOLLO
#ifndef FB_HW_ACCELERATION
#define FB_HW_ACCELERATION
#endif
#endif
#if defined(FB_HW_ACCELERATION) && defined(USE_NEVIS_GXA)
#error
#endif
//#undef USE_NEVIS_GXA //FIXME
/*******************************************************************************/
#ifdef USE_NEVIS_GXA

#ifdef GXA_FG_COLOR_REG
#undef GXA_FG_COLOR_REG
#endif
#ifdef GXA_BG_COLOR_REG
#undef GXA_BG_COLOR_REG
#endif
#ifdef GXA_LINE_CONTROL_REG
#undef GXA_LINE_CONTROL_REG
#endif
#ifdef GXA_DEPTH_REG
#undef GXA_DEPTH_REG
#endif
#ifdef GXA_CONTENT_ID_REG
#undef GXA_CONTENT_ID_REG
#endif

#define GXA_POINT(x, y)	 (((y) & 0x0FFF) << 16) | ((x) & 0x0FFF)
#define GXA_SRC_BMP_SEL(x)	  (x << 8)
#define GXA_DST_BMP_SEL(x)	  (x << 5)
#define GXA_PARAM_COUNT(x)	  (x << 2)

#define GXA_CMD_REG		0x001C
#define GXA_FG_COLOR_REG	0x0020
#define GXA_BG_COLOR_REG	0x0024
#define GXA_LINE_CONTROL_REG	0x0038
#define GXA_BMP2_TYPE_REG	   0x0050
#define GXA_BMP2_ADDR_REG	   0x0054
#define GXA_DEPTH_REG		0x00F4
#define GXA_CONTENT_ID_REG	  0x0144
#define GXA_BLT_CONTROL_REG     0x0034

#define GXA_CMD_BLT		 0x00010800
#define GXA_CMD_NOT_ALPHA	   0x00011000
#define GXA_CMD_NOT_TEXT	0x00018000
#define GXA_CMD_QMARK		0x00001000

#define GXA_BMP1_TYPE_REG	  0x0048
#define GXA_BMP1_ADDR_REG	  0x004C
#define GXA_BMP7_TYPE_REG         0x0078

#define GXA_BLEND_CFG_REG	   0x003C
#define GXA_CFG_REG		 0x0030
#define GXA_CFG2_REG		0x00FC
/*
static unsigned int _read_gxa(volatile unsigned char *base_addr, unsigned int offset)
{
	return *(volatile unsigned int *)(base_addr + offset);
}
*/

static unsigned int _mark = 0;

static void _write_gxa(volatile unsigned char *base_addr, unsigned int offset, unsigned int value)
{
	while( (*(volatile unsigned int *)(base_addr + GXA_DEPTH_REG)) & 0x40000000)
	{};
	*(volatile unsigned int *)(base_addr + offset) = value;
}

/* this adds a tagged marker into the GXA queue. Once this comes out
   of the other end of the queue, all commands before it are finished */
void CFrameBuffer::add_gxa_sync_marker(void)
{
	unsigned int cmd = GXA_CMD_QMARK | GXA_PARAM_COUNT(1);
	// TODO: locking?
	_mark++;
	_mark &= 0x0000001F; /* bit 0x20 crashes the kernel, if set */
	_write_gxa(gxa_base, cmd, _mark);
	//fprintf(stderr, "%s: wrote %02x\n", __FUNCTION__, _mark);
}

/* wait until the current marker comes out of the GXA command queue */
void CFrameBuffer::waitForIdle(const char* func)
{
	unsigned int cfg, count = 0;
	do {
		cfg = *(volatile unsigned int *)(gxa_base + GXA_CMD_REG);
		cfg >>= 24;	/* the token is stored in bits 31...24 */
		if (cfg == _mark)
			break;
		/* usleep is too coarse, because of CONFIG_HZ=100 in kernel
		   so use sched_yield to at least give other threads a chance to run */
		sched_yield();
		//fprintf(stderr, "%s: read  %02x, expected %02x\n", __FUNCTION__, cfg, _mark);
	} while(++count < 2048); /* don't deadlock here if there is an error */

	if (count > 512) /* more than 100 are unlikely, */{
		if (func != NULL)
			fprintf(stderr, "CFrameBuffer::waitForIdle: count is big (%04u) [%s]!\n", count, func);
		else
			fprintf(stderr, "CFrameBuffer::waitForIdle: count is big (%u)!\n", count);
	}
}
#endif /* USE_NEVIS_GXA */

/*******************************************************************************/

static uint8_t * virtual_fb = NULL;
inline unsigned int make16color(uint16_t r, uint16_t g, uint16_t b, uint16_t t,
				  uint32_t  /*rl*/ = 0, uint32_t  /*ro*/ = 0,
				  uint32_t  /*gl*/ = 0, uint32_t  /*go*/ = 0,
				  uint32_t  /*bl*/ = 0, uint32_t  /*bo*/ = 0,
				  uint32_t  /*tl*/ = 0, uint32_t  /*to*/ = 0)
{
	return ((t << 24) & 0xFF000000) | ((r << 8) & 0xFF0000) | ((g << 0) & 0xFF00) | (b >> 8 & 0xFF);
}

CFrameBuffer::CFrameBuffer()
: active ( true )
{
	iconBasePath = "";
	available  = 0;
	cmap.start = 0;
	cmap.len = 256;
	cmap.red = red;
	cmap.green = green;
	cmap.blue  = blue;
	cmap.transp = trans;
	backgroundColor = 0;
	useBackgroundPaint = false;
	background = NULL;
	backupBackground = NULL;
	backgroundFilename = "";
	fd  = 0;
	tty = 0;
	m_transparent_default = CFrameBuffer::TM_BLACK; // TM_BLACK: Transparency when black content ('pseudo' transparency)
							// TM_NONE:  No 'pseudo' transparency
							// TM_INI:   Transparency depends on g_settings.infobar_alpha ???
	m_transparent	 = m_transparent_default;
	q_circle = NULL;
	initQCircle();
	corner_tl = false;
	corner_tr = false;
	corner_bl = false;
	corner_br = false;
//FIXME: test
	memset(red, 0, 256*sizeof(__u16));
	memset(green, 0, 256*sizeof(__u16));
	memset(blue, 0, 256*sizeof(__u16));
	memset(trans, 0, 256*sizeof(__u16));
	fbAreaActiv = false;
	fb_no_check = false;
	do_paint_mute_icon = true;
}

CFrameBuffer* CFrameBuffer::getInstance()
{
	static CFrameBuffer* frameBuffer = NULL;

	if(!frameBuffer) {
		frameBuffer = new CFrameBuffer();
		printf("[neutrino] frameBuffer Instance created\n");
	} else {
		//printf("[neutrino] frameBuffer Instace requested\n");
	}
	return frameBuffer;
}

#ifdef USE_NEVIS_GXA
void CFrameBuffer::setupGXA(void)
{
	// We (re)store the GXA regs here in case DFB override them and was not
	// able to restore them.
	_write_gxa(gxa_base, GXA_BMP2_TYPE_REG, (3 << 16) | screeninfo.xres);
	_write_gxa(gxa_base, GXA_BMP2_ADDR_REG, (unsigned int) fix.smem_start);
	_write_gxa(gxa_base, GXA_BLEND_CFG_REG, 0x00089064);
	// TODO check mono-flip, bit 8
	_write_gxa(gxa_base, GXA_CFG_REG, 0x100 | (1 << 12) | (1 << 29));
	_write_gxa(gxa_base, GXA_CFG2_REG, 0x1FF);
	_write_gxa(gxa_base, GXA_BG_COLOR_REG, (unsigned int) backgroundColor);
	_write_gxa(gxa_base, GXA_BMP7_TYPE_REG, (3 << 16) | screeninfo.xres | (1 << 27));
}
#endif
void CFrameBuffer::init(const char * const fbDevice)
{
	int tr = 0xFF;

	fd = open(fbDevice, O_RDWR);
	if(!fd) fd = open(fbDevice, O_RDWR);

	if (fd<0) {
		perror(fbDevice);
		goto nolfb;
	}

	if (ioctl(fd, FBIOGET_VSCREENINFO, &screeninfo)<0) {
		perror("FBIOGET_VSCREENINFO");
		goto nolfb;
	}

	memmove(&oldscreen, &screeninfo, sizeof(screeninfo));

	if (ioctl(fd, FBIOGET_FSCREENINFO, &fix)<0) {
		perror("FBIOGET_FSCREENINFO");
		goto nolfb;
	}

	available=fix.smem_len;
	printf("%dk video mem\n", available/1024);
	lfb=(fb_pixel_t*)mmap(0, available, PROT_WRITE|PROT_READ, MAP_SHARED, fd, 0);

	if (!lfb) {
		perror("mmap");
		goto nolfb;
	}

#ifdef USE_NEVIS_GXA
	/* Open /dev/mem for HW-register access */
	devmem_fd = open("/dev/mem", O_RDWR | O_SYNC);
	if (devmem_fd < 0) {
		perror("Unable to open /dev/mem");
		goto nolfb;
	}

	/* mmap the GXA's base address */
	gxa_base = (volatile unsigned char*) mmap(0, 0x00040000, PROT_READ | PROT_WRITE, MAP_SHARED, devmem_fd, 0xE0600000);
	if (gxa_base == (void*) -1){
		perror("Unable to mmap /dev/mem");
		goto nolfb;
	}

	/* tell the GXA where the framebuffer to draw on starts */
	smem_start = (unsigned int) fix.smem_start;
	printf("smem_start %x\n", smem_start);

	setupGXA();
#endif
	cache_size = 0;

	/* Windows Colors */
	paletteSetColor(0x1, 0x010101, tr);
	paletteSetColor(0x2, 0x800000, tr);
	paletteSetColor(0x3, 0x008000, tr);
	paletteSetColor(0x4, 0x808000, tr);
	paletteSetColor(0x5, 0x000080, tr);
	paletteSetColor(0x6, 0x800080, tr);
	paletteSetColor(0x7, 0x008080, tr);
	paletteSetColor(0x8, 0xA0A0A0, tr);
	paletteSetColor(0x9, 0x505050, tr);
	paletteSetColor(0xA, 0xFF0000, tr);
	paletteSetColor(0xB, 0x00FF00, tr);
	paletteSetColor(0xC, 0xFFFF00, tr);
	paletteSetColor(0xD, 0x0000FF, tr);
	paletteSetColor(0xE, 0xFF00FF, tr);
	paletteSetColor(0xF, 0x00FFFF, tr);
	paletteSetColor(0x10, 0xFFFFFF, tr);
	paletteSetColor(0x11, 0x000000, tr);
	paletteSetColor(COL_BACKGROUND, 0x000000, 0x0);

	paletteSet();

	useBackground(false);
	m_transparent = m_transparent_default;
#if 0
	if ((tty=open("/dev/vc/0", O_RDWR))<0) {
		perror("open (tty)");
		goto nolfb;
	}

	struct sigaction act;

	memset(&act,0,sizeof(act));
	act.sa_handler  = switch_signal;
	sigemptyset(&act.sa_mask);
	sigaction(SIGUSR1,&act,NULL);
	sigaction(SIGUSR2,&act,NULL);

	struct vt_mode mode;

	if (-1 == ioctl(tty,KDGETMODE, &kd_mode)) {
		perror("ioctl KDGETMODE");
		goto nolfb;
	}

	if (-1 == ioctl(tty,VT_GETMODE, &vt_mode)) {
		perror("ioctl VT_GETMODE");
		goto nolfb;
	}

	if (-1 == ioctl(tty,VT_GETMODE, &mode)) {
		perror("ioctl VT_GETMODE");
		goto nolfb;
	}

	mode.mode   = VT_PROCESS;
	mode.waitv  = 0;
	mode.relsig = SIGUSR1;
	mode.acqsig = SIGUSR2;

	if (-1 == ioctl(tty,VT_SETMODE, &mode)) {
		perror("ioctl VT_SETMODE");
		goto nolfb;
	}

	if (-1 == ioctl(tty,KDSETMODE, KD_GRAPHICS)) {
		perror("ioctl KDSETMODE");
		goto nolfb;
	}
#endif

	return;

nolfb:
	printf("framebuffer not available.\n");
	lfb=0;
}


CFrameBuffer::~CFrameBuffer()
{
	std::map<std::string, rawIcon>::iterator it;

	for(it = icon_cache.begin(); it != icon_cache.end(); ++it) {
		/* printf("FB: delete cached icon %s: %x\n", it->first.c_str(), (int) it->second.data); */
		cs_free_uncached(it->second.data);
	}
	icon_cache.clear();

	if (background) {
		delete[] background;
		background = NULL;
	}

	if (backupBackground) {
		delete[] backupBackground;
		backupBackground = NULL;
	}

	if (q_circle) {
		delete[] q_circle;
		q_circle = NULL;
	}

#if 0
#ifdef RETURN_FROM_GRAPHICS_MODE
	if (-1 == ioctl(tty,KDSETMODE, kd_mode))
		perror("ioctl KDSETMODE");
#endif

	if (-1 == ioctl(tty,VT_SETMODE, &vt_mode))
		perror("ioctl VT_SETMODE");

	if (available)
		ioctl(fd, FBIOPUT_VSCREENINFO, &oldscreen);
#endif
	if (lfb)
		munmap(lfb, available);

	if (virtual_fb){
		delete[] virtual_fb;
		virtual_fb = NULL;
	}
	close(fd);
	close(tty);

	v_fbarea.clear();
}

int CFrameBuffer::getFileHandle() const
{
	return fd;
}

unsigned int CFrameBuffer::getStride() const
{
	return stride;
}

unsigned int CFrameBuffer::getScreenWidth(bool real)
{
	if(real)
		return xRes;
	else
		return g_settings.screen_EndX - g_settings.screen_StartX;
}

unsigned int CFrameBuffer::getScreenHeight(bool real)
{
	if(real)
		return yRes;
	else
		return g_settings.screen_EndY - g_settings.screen_StartY;
}

unsigned int CFrameBuffer::getScreenWidthRel(bool force_small)
{
	int percent = force_small ? WINDOW_SIZE_MIN_FORCED : g_settings.window_width;
	// always reduce a possible detailline
	return (g_settings.screen_EndX - g_settings.screen_StartX - 2*ConnectLineBox_Width) * percent / 100;
}

unsigned int CFrameBuffer::getScreenHeightRel(bool force_small)
{
	int percent = force_small ? WINDOW_SIZE_MIN_FORCED : g_settings.window_height;
	return (g_settings.screen_EndY - g_settings.screen_StartY) * percent / 100;
}

unsigned int CFrameBuffer::getScreenX()
{
	return g_settings.screen_StartX;
}

unsigned int CFrameBuffer::getScreenY()
{
	return g_settings.screen_StartY;
}

fb_pixel_t * CFrameBuffer::getFrameBufferPointer() const
{
	if (active || (virtual_fb == NULL))
		return lfb;
	else
		return (fb_pixel_t *) virtual_fb;
}

bool CFrameBuffer::getActive() const
{
	return (active || (virtual_fb != NULL));
}

void CFrameBuffer::setActive(bool enable)
{
	active = enable;
}

t_fb_var_screeninfo *CFrameBuffer::getScreenInfo()
{
	return &screeninfo;
}

int CFrameBuffer::setMode(unsigned int /*nxRes*/, unsigned int /*nyRes*/, unsigned int /*nbpp*/)
{
	if (!available&&!active)
		return -1;

#if 0
	screeninfo.xres_virtual=screeninfo.xres=nxRes;
	screeninfo.yres_virtual=screeninfo.yres=nyRes;
	screeninfo.height=0;
	screeninfo.width=0;
	screeninfo.xoffset=screeninfo.yoffset=0;
	screeninfo.bits_per_pixel=nbpp;

	if (ioctl(fd, FBIOPUT_VSCREENINFO, &screeninfo)<0) {
		perror("FBIOPUT_VSCREENINFO");
	}

	if(1) {
		printf("SetMode: %dbits, red %d:%d green %d:%d blue %d:%d transp %d:%d\n",
		screeninfo.bits_per_pixel, screeninfo.red.length, screeninfo.red.offset, screeninfo.green.length, screeninfo.green.offset, screeninfo.blue.length, screeninfo.blue.offset, screeninfo.transp.length, screeninfo.transp.offset);
	}
	if ((screeninfo.xres!=nxRes) && (screeninfo.yres!=nyRes) && (screeninfo.bits_per_pixel!=nbpp))
	{
		printf("SetMode failed: wanted: %dx%dx%d, got %dx%dx%d\n",
			   nxRes, nyRes, nbpp,
			   screeninfo.xres, screeninfo.yres, screeninfo.bits_per_pixel);
		return -1;
	}
#endif

	xRes = screeninfo.xres;
	yRes = screeninfo.yres;
	bpp  = screeninfo.bits_per_pixel;
	fb_fix_screeninfo _fix;

	if (ioctl(fd, FBIOGET_FSCREENINFO, &_fix)<0) {
		perror("FBIOGET_FSCREENINFO");
		return -1;
	}

	stride = _fix.line_length;
	printf("FB: %dx%dx%d line length %d. %s nevis GXA accelerator.\n", xRes, yRes, bpp, stride,
#ifdef USE_NEVIS_GXA
		"Using"
#else
		"Not using"
#endif
	);

	//memset(getFrameBufferPointer(), 0, stride * yRes);
	paintBackground();
	if (ioctl(fd, FBIOBLANK, FB_BLANK_UNBLANK) < 0) {
		printf("screen unblanking failed\n");
	}
	return 0;
}
#if 0 
//never used
void CFrameBuffer::setTransparency( int /*tr*/ )
{
}
#endif
void CFrameBuffer::setBlendMode(uint8_t mode)
{
#ifdef HAVE_COOL_HARDWARE
	if (ioctl(fd, FBIO_SETBLENDMODE, mode))
		printf("FBIO_SETBLENDMODE failed.\n");
#endif
}

void CFrameBuffer::setBlendLevel(int level)
{
#ifdef HAVE_COOL_HARDWARE
	//printf("CFrameBuffer::setBlendLevel %d\n", level);
	unsigned char value = 0xFF;
	if((level >= 0) && (level <= 100))
		value = convertSetupAlpha2Alpha(level);

	if (ioctl(fd, FBIO_SETOPACITY, value))
		printf("FBIO_SETOPACITY failed.\n");
#ifndef BOXMODEL_APOLLO
	   if(level == 100) // TODO: sucks.
		   usleep(20000);
#endif
#endif
}

#if 0 
//never used
void CFrameBuffer::setAlphaFade(int in, int num, int tr)
{
	for (int i=0; i<num; i++) {
		cmap.transp[in+i]=tr;
	}
}
#endif
void CFrameBuffer::paletteFade(int i, __u32 rgb1, __u32 rgb2, int level)
{
	__u16 *r = cmap.red+i;
	__u16 *g = cmap.green+i;
	__u16 *b = cmap.blue+i;

	*r= ((rgb2&0xFF0000)>>16)*level;
	*g= ((rgb2&0x00FF00)>>8 )*level;
	*b= ((rgb2&0x0000FF)    )*level;
	*r+=((rgb1&0xFF0000)>>16)*(255-level);
	*g+=((rgb1&0x00FF00)>>8 )*(255-level);
	*b+=((rgb1&0x0000FF)    )*(255-level);
}

void CFrameBuffer::paletteGenFade(int in, __u32 rgb1, __u32 rgb2, int num, int tr)
{
	for (int i=0; i<num; i++) {
		paletteFade(in+i, rgb1, rgb2, i*(255/(num-1)));
		cmap.transp[in+i]=tr;
		tr--; //FIXME
	}
}

void CFrameBuffer::paletteSetColor(int i, __u32 rgb, int tr)
{
	cmap.red[i]	=(rgb&0xFF0000)>>8;
	cmap.green[i]	=(rgb&0x00FF00)   ;
	cmap.blue[i]	=(rgb&0x0000FF)<<8;
	cmap.transp[i]	= tr;
}

void CFrameBuffer::paletteSet(struct fb_cmap *map)
{
	if (!active)
		return;

	if(map == NULL)
		map = &cmap;

	if(bpp == 8) {
		//printf("Set palette for %dbit\n", bpp);
		ioctl(fd, FBIOPUTCMAP, map);
	}

	uint32_t  rl, ro, gl, go, bl, bo, tl, to;

	rl = screeninfo.red.length;
	ro = screeninfo.red.offset;
	gl = screeninfo.green.length;
	go = screeninfo.green.offset;
	bl = screeninfo.blue.length;
	bo = screeninfo.blue.offset;
	tl = screeninfo.transp.length;
	to = screeninfo.transp.offset;
	for (int i = 0; i < 256; i++) {
		realcolor[i] = make16color(cmap.red[i], cmap.green[i], cmap.blue[i], cmap.transp[i],
					   rl, ro, gl, go, bl, bo, tl, to);
	}
	OnAfterSetPallette();
}

void CFrameBuffer::paintHLineRelInternal2Buf(const int& x, const int& dx, const int& y, const int& box_dx, const fb_pixel_t& col, fb_pixel_t* buf)
{
	uint8_t * pos = ((uint8_t *)buf) + x * sizeof(fb_pixel_t) + box_dx * sizeof(fb_pixel_t) * y;
	fb_pixel_t * dest = (fb_pixel_t *)pos;
	for (int i = 0; i < dx; i++)
		*(dest++) = col;
}

fb_pixel_t* CFrameBuffer::paintBoxRel2Buf(const int dx, const int dy, const fb_pixel_t col, fb_pixel_t* buf/* = NULL*/, int radius/* = 0*/, int type/* = CORNER_ALL*/)
{
	if (!getActive())
		return buf;
	if (dx == 0 || dy == 0) {
		dprintf(DEBUG_INFO, "[CFrameBuffer] [%s - %d]: radius %d, dx %d dy %d\n", __func__, __LINE__, radius, dx, dy);
		return buf;
	}

	fb_pixel_t* pixBuf = buf;
	if (pixBuf == NULL) {
		pixBuf = (fb_pixel_t*) cs_malloc_uncached(dx*dy*sizeof(fb_pixel_t));
		if (pixBuf == NULL) {
			dprintf(DEBUG_NORMAL, "[%s #%d] Error cs_malloc_uncached\n", __func__, __LINE__);
			return NULL;
		}
	}
	memset((void*)pixBuf, '\0', dx*dy*sizeof(fb_pixel_t));

	if (type && radius) {
		setCornerFlags(type);
		radius = limitRadius(dx, dy, radius);

		int line = 0;
		while (line < dy) {
			int ofl, ofr;
			calcCorners(NULL, &ofl, &ofr, dy, line, radius, type);
			if (dx-ofr-ofl < 1) {
				if (dx-ofr-ofl == 0) {
					dprintf(DEBUG_INFO, "[%s - %d]: radius %d, end x %d y %d\n", __func__, __LINE__, radius, dx-ofr-ofl, line);
				}
				else {
					dprintf(DEBUG_INFO, "[%s - %04d]: Calculated width: %d\n		      (radius %d, dx %d, offsetLeft %d, offsetRight %d).\n		      Width can not be less than 0, abort.\n",
					       __func__, __LINE__, dx-ofr-ofl, radius, dx, ofl, ofr);
				}
				line++;
				continue;
			}
			paintHLineRelInternal2Buf(ofl, dx-ofl-ofr, line, dx, col, pixBuf);
			line++;
		}
	} else {
		fb_pixel_t *bp = pixBuf;
		int line = 0;
		while (line < dy) {
			for (int pos = 0; pos < dx; pos++)
				*(bp + pos) = col;
			bp += dx;
			line++;
		}
	}
	return pixBuf;
}

fb_pixel_t* CFrameBuffer::paintBoxRel(const int x, const int y, const int dx, const int dy,
				      const fb_pixel_t /*col*/, gradientData_t *gradientData,
				      int radius, int type)
{
#define MASK 0xFFFFFFFF

	fb_pixel_t* boxBuf    = paintBoxRel2Buf(dx, dy, MASK, NULL, radius, type);
        if (!boxBuf)
               return NULL;

	fb_pixel_t *bp        = boxBuf;
	fb_pixel_t *gra       = gradientData->gradientBuf;
	gradientData->boxBuf  = boxBuf;

	if (gradientData->direction == gradientVertical) {
		// vertical
		for (int pos = 0; pos < dx; pos++) {
			for(int count = 0; count < dy; count++) {
				if (*(bp + pos) == MASK)
					*(bp + pos) = (fb_pixel_t)(*(gra + count));
				bp += dx;
			}
			bp = boxBuf;
		}
	} else {
		// horizontal
		for (int line = 0; line < dy; line++) {
			for (int pos = 0; pos < dx; pos++) {
				if (*(bp + pos) == MASK)
					*(bp + pos) = (fb_pixel_t)(*(gra + pos));
			}
			bp += dx;
		}
	}

	if ((gradientData->mode & pbrg_noPaint) == pbrg_noPaint)
		return boxBuf;

//	blit2FB(boxBuf, dx, dy, x, y);
	blitBox2FB(boxBuf, dx, dy, x, y);

	if ((gradientData->mode & pbrg_noFree) == pbrg_noFree)
		return boxBuf;

	cs_free_uncached(boxBuf);

	return NULL;
}

void CFrameBuffer::paintBoxRel(const int x, const int y, const int dx, const int dy, const fb_pixel_t col, int radius, int type)
{
	/* draw a filled rectangle (with additional round corners) */

	if (!getActive())
		return;

	if (dx == 0 || dy == 0) {
		dprintf(DEBUG_NORMAL, "[CFrameBuffer] [%s - %d]: radius %d, start x %d y %d end x %d y %d\n", __FUNCTION__, __LINE__, radius, x, y, x+dx, y+dy);
		return;
	}

	checkFbArea(x, y, dx, dy, true);

#if defined(FB_HW_ACCELERATION)
	fb_fillrect fillrect;
	fillrect.color	= col;
	fillrect.rop	= ROP_COPY;
#elif defined(USE_NEVIS_GXA)
	if (!fb_no_check)
		OpenThreads::ScopedLock<OpenThreads::Mutex> m_lock(mutex);
	/* solid fill with background color */
	unsigned int cmd = GXA_CMD_BLT | GXA_CMD_NOT_TEXT | GXA_SRC_BMP_SEL(7) | GXA_DST_BMP_SEL(2) | GXA_PARAM_COUNT(2) | GXA_CMD_NOT_ALPHA;
	_write_gxa(gxa_base, GXA_BG_COLOR_REG, (unsigned int) col);	/* setup the drawing color */
#endif

	if (type && radius) {
		setCornerFlags(type);
		radius = limitRadius(dx, dy, radius);

		int line = 0;
		while (line < dy) {
			int ofl, ofr;
			if (calcCorners(NULL, &ofl, &ofr, dy, line, radius, type)) {
				//printf("3: x %d y %d dx %d dy %d rad %d line %d\n", x, y, dx, dy, radius, line);
#if defined(FB_HW_ACCELERATION) || defined(USE_NEVIS_GXA)
				int rect_height_mult = ((type & CORNER_TOP) && (type & CORNER_BOTTOM)) ? 2 : 1;
#if defined(FB_HW_ACCELERATION)
				fillrect.dx	= x;
				fillrect.dy	= y + line;
				fillrect.width	= dx;
				fillrect.height	= dy - (radius * rect_height_mult);

				ioctl(fd, FBIO_FILL_RECT, &fillrect);
#elif defined(USE_NEVIS_GXA)
				_write_gxa(gxa_base, GXA_BLT_CONTROL_REG, 0);
				_write_gxa(gxa_base, cmd, GXA_POINT(x, y + line));               /* destination x/y */
				_write_gxa(gxa_base, cmd, GXA_POINT(dx, dy - (radius * rect_height_mult))); /* width/height */
#endif
				line += dy - (radius * rect_height_mult);
				continue;
#endif
			}

			if (dx-ofr-ofl < 1) {
				if (dx-ofr-ofl == 0){
					dprintf(DEBUG_INFO, "[CFrameBuffer] [%s - %d]: radius %d, start x %d y %d end x %d y %d\n", __func__, __LINE__, radius, x, y, x+dx-ofr-ofl, y+line);
				}else{
					dprintf(DEBUG_INFO, "[CFrameBuffer] [%s - %04d]: Calculated width: %d\n                      (radius %d, dx %d, offsetLeft %d, offsetRight %d).\n                      Width can not be less than 0, abort.\n",
						__func__, __LINE__, dx-ofr-ofl, radius, dx, ofl, ofr);
				}
				line++;
				continue;
			}
#ifdef USE_NEVIS_GXA
			_write_gxa(gxa_base, GXA_BLT_CONTROL_REG, 0);
			_write_gxa(gxa_base, cmd, GXA_POINT(x      + ofl, y + line));               /* destination x/y */
			_write_gxa(gxa_base, cmd, GXA_POINT(dx-ofl-ofr,   1));                      /* width/height */
#else
			paintHLineRelInternal(x+ofl, dx-ofl-ofr, y+line, col);
#endif
			line++;
		}
	} else {
#if defined(FB_HW_ACCELERATION)
		/* FIXME small size faster to do by software */
		if (dx > 10 || dy > 10) {
			fillrect.dx	= x;
			fillrect.dy	= y;
			fillrect.width	= dx;
			fillrect.height	= dy;
			ioctl(fd, FBIO_FILL_RECT, &fillrect);
			checkFbArea(x, y, dx, dy, false);
			return;
		}
#endif
#if defined(USE_NEVIS_GXA)
		_write_gxa(gxa_base, GXA_BLT_CONTROL_REG, 0);
		_write_gxa(gxa_base, cmd, GXA_POINT(x,  y));   /* destination x/y */
		_write_gxa(gxa_base, cmd, GXA_POINT(dx, dy));  /* width/height */
#else
		int swidth = stride / sizeof(fb_pixel_t);
		fb_pixel_t *fbp = getFrameBufferPointer() + (swidth * y);
		int line = 0;
		while (line < dy) {
			for (int pos = x; pos < x + dx; pos++)
				*(fbp + pos) = col;

			fbp += swidth;
			line++;
		}
#endif
	}
#ifdef USE_NEVIS_GXA
	_write_gxa(gxa_base, GXA_BG_COLOR_REG, (unsigned int) backgroundColor); //FIXME needed ?
	/* the GXA seems to do asynchronous rendering, so we add a sync marker
	 * to which the fontrenderer code can synchronize
	 */
	add_gxa_sync_marker();
#endif
	checkFbArea(x, y, dx, dy, false);
}

void CFrameBuffer::paintVLineRelInternal(int x, int y, int dy, const fb_pixel_t col)
{

#if defined(FB_HW_ACCELERATION)
	fb_fillrect fillrect;
	fillrect.dx = x;
	fillrect.dy = y;
	fillrect.width = 1;
	fillrect.height = dy;
	fillrect.color = col;
	fillrect.rop = ROP_COPY;
	ioctl(fd, FBIO_FILL_RECT, &fillrect);
#elif defined(USE_NEVIS_GXA)
	/* draw a single vertical line from point x/y with hight dx */
	unsigned int cmd = GXA_CMD_NOT_TEXT | GXA_SRC_BMP_SEL(2) | GXA_DST_BMP_SEL(2) | GXA_PARAM_COUNT(2) | GXA_CMD_NOT_ALPHA;

	_write_gxa(gxa_base, GXA_FG_COLOR_REG, (unsigned int) col);	/* setup the drawing color */
	_write_gxa(gxa_base, GXA_LINE_CONTROL_REG, 0x00000404); 	/* X is major axis, skip last pixel */
	_write_gxa(gxa_base, cmd, GXA_POINT(x, y + dy));		/* end point */
	_write_gxa(gxa_base, cmd, GXA_POINT(x, y));			/* start point */
#else /* USE_NEVIS_GXA */
	uint8_t * pos = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;

	for(int count=0;count<dy;count++) {
		*(fb_pixel_t *)pos = col;
		pos += stride;
	}
#endif /* USE_NEVIS_GXA */
}

void CFrameBuffer::paintVLineRel(int x, int y, int dy, const fb_pixel_t col)
{
	if (!getActive())
		return;

#if defined(USE_NEVIS_GXA)
	OpenThreads::ScopedLock<OpenThreads::Mutex> m_lock(mutex);
#endif
	paintVLineRelInternal(x, y, dy, col);
}

void CFrameBuffer::paintHLineRelInternal(int x, int dx, int y, const fb_pixel_t col)
{
#if defined(FB_HW_ACCELERATION)
	if (dx >= 10) {
		fb_fillrect fillrect;
		fillrect.dx = x;
		fillrect.dy = y;
		fillrect.width = dx;
		fillrect.height = 1;
		fillrect.color = col;
		fillrect.rop = ROP_COPY;
		ioctl(fd, FBIO_FILL_RECT, &fillrect);
		return;
	}
#endif
#if defined(USE_NEVIS_GXA)
	/* draw a single horizontal line from point x/y with width dx */
	unsigned int cmd = GXA_CMD_NOT_TEXT | GXA_SRC_BMP_SEL(2) | GXA_DST_BMP_SEL(2) | GXA_PARAM_COUNT(2) | GXA_CMD_NOT_ALPHA;

	_write_gxa(gxa_base, GXA_FG_COLOR_REG, (unsigned int) col);	/* setup the drawing color */
	_write_gxa(gxa_base, GXA_LINE_CONTROL_REG, 0x00000404); 	/* X is major axis, skip last pixel */
	_write_gxa(gxa_base, cmd, GXA_POINT(x + dx, y));		/* end point */
	_write_gxa(gxa_base, cmd, GXA_POINT(x, y));			/* start point */
#else /* USE_NEVIS_GXA */
	uint8_t * pos = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;

	fb_pixel_t * dest = (fb_pixel_t *)pos;
	for (int i = 0; i < dx; i++)
		*(dest++) = col;
#endif /* USE_NEVIS_GXA */
}

void CFrameBuffer::paintHLineRel(int x, int dx, int y, const fb_pixel_t col)
{
	if (!getActive())
		return;

#if defined(USE_NEVIS_GXA)
	OpenThreads::ScopedLock<OpenThreads::Mutex> m_lock(mutex);
#endif
	paintHLineRelInternal(x, dx, y, col);
}

void CFrameBuffer::setIconBasePath(const std::string & iconPath)
{
	iconBasePath = iconPath;
}

void CFrameBuffer::getIconSize(const char * const filename, int* width, int *height)
{
	*width = 0;
	*height = 0;

	if(filename == NULL)
		return;

	std::map<std::string, rawIcon>::iterator it;


	/* if code ask for size, lets cache it. assume we have enough ram for cache */
	/* FIXME offset seems never used in code, always default = 1 ? */

	it = icon_cache.find(filename);
	if(it == icon_cache.end()) {
		if(paintIcon(filename, 0, 0, 0, 1, false)) {
			it = icon_cache.find(filename);
		}
	}
	if(it != icon_cache.end()) {
		*width = it->second.width;
		*height = it->second.height;
	}
}

bool CFrameBuffer::paintIcon8(const std::string & filename, const int x, const int y, const unsigned char offset)
{
	if (!getActive())
		return false;

//printf("%s(file, %d, %d, %d)\n", __FUNCTION__, x, y, offset);

	struct rawHeader header;
	uint16_t	 width, height;
	int	      lfd;

	lfd = open((iconBasePath + "/" + filename).c_str(), O_RDONLY);

	if (lfd == -1) {
		printf("paintIcon8: error while loading icon: %s/%s\n", iconBasePath.c_str(), filename.c_str());
		return false;
	}

	read(lfd, &header, sizeof(struct rawHeader));

	width  = (header.width_hi  << 8) | header.width_lo;
	height = (header.height_hi << 8) | header.height_lo;

	unsigned char pixbuf[768];

	uint8_t * d = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;
	fb_pixel_t * d2;
	for (int count=0; count<height; count ++ ) {
		read(lfd, &pixbuf[0], width );
		unsigned char *pixpos = &pixbuf[0];
		d2 = (fb_pixel_t *) d;
		for (int count2=0; count2<width; count2 ++ ) {
			unsigned char color = *pixpos;
			if (color != header.transp) {
//printf("icon8: col %d transp %d real %08X\n", color+offset, header.transp, realcolor[color+offset]);
				paintPixel(d2, color + offset);
			}
			d2++;
			pixpos++;
		}
		d += stride;
	}
	close(lfd);
	return true;
}

/* paint icon at position x/y,
   if height h is given, center vertically between y and y+h
   offset is a color offset (probably only useful with palette) */
bool CFrameBuffer::paintIcon(const std::string & filename, const int x, const int y,
			     const int h, const unsigned char offset, bool paint, bool paintBg, const fb_pixel_t colBg)
{
	struct rawHeader header;
	int	 width, height;
	fb_pixel_t * data;
	struct rawIcon tmpIcon;
	std::map<std::string, rawIcon>::iterator it;

	if (!getActive())
		return false;

	int  yy = y;
	//printf("CFrameBuffer::paintIcon: load %s\n", filename.c_str());fflush(stdout);

	/* we cache and check original name */
	it = icon_cache.find(filename);
	if(it == icon_cache.end()) {
		std::string newname = std::string(ICONSDIR_VAR) + "/" + filename + ".png";
		if (access(newname.c_str(), F_OK))
			newname = iconBasePath + "/" + filename + ".png";
		if (filename.find("/", 0) != std::string::npos)
			newname = filename;
		//printf("CFrameBuffer::paintIcon: check for %s\n", newname.c_str());fflush(stdout);

		data = g_PicViewer->getIcon(newname, &width, &height);

		if(data) { //TODO: intercepting of possible full icon cache, that could cause strange behavior while painting of uncached icons
			int dsize = width*height*sizeof(fb_pixel_t);
			//printf("CFrameBuffer::paintIcon: %s found, data %x size %d x %d\n", newname.c_str(), data, width, height);fflush(stdout);
			if(cache_size+dsize < ICON_CACHE_SIZE) {
				cache_size += dsize;
				tmpIcon.width = width;
				tmpIcon.height = height;
				tmpIcon.data = data;
				icon_cache.insert(std::pair <std::string, rawIcon> (filename, tmpIcon));
				//printf("Cached %s, cache size %d\n", newname.c_str(), cache_size);
			}
			goto _display;
		}

		newname = std::string(ICONSDIR_VAR) + "/" + filename + ".raw";
		if (access(newname.c_str(), F_OK))
			newname = iconBasePath + "/" + filename + ".raw";

		int lfd = open(newname.c_str(), O_RDONLY);

		if (lfd == -1) {
			//printf("paintIcon: error while loading icon: %s\n", newname.c_str());
			return false;
		}

		ssize_t s = read(lfd, &header, sizeof(struct rawHeader));
		if (s < 0) {
			perror("read");
			return false;
		}

		if (s < (ssize_t) sizeof(rawHeader)){
			printf("paintIcon: error while loading icon: %s, header too small\n", newname.c_str());
			return false;
		}


		tmpIcon.width = width  = (header.width_hi  << 8) | header.width_lo;
		tmpIcon.height = height = (header.height_hi << 8) | header.height_lo;
		if (!width || !height) {
			printf("paintIcon: error while loading icon: %s, wrong dimensions (%dHx%dW)\n", newname.c_str(), height, width);
			return false;
		}

		int dsize = width*height*sizeof(fb_pixel_t);

		tmpIcon.data = (fb_pixel_t*) cs_malloc_uncached(dsize);
		data = tmpIcon.data;

		unsigned char pixbuf[768];
		for (int count = 0; count < height; count ++ ) {
			read(lfd, &pixbuf[0], width >> 1 );
			unsigned char *pixpos = &pixbuf[0];
			for (int count2 = 0; count2 < width >> 1; count2 ++ ) {
				unsigned char compressed = *pixpos;
				unsigned char pix1 = (compressed & 0xf0) >> 4;
				unsigned char pix2 = (compressed & 0x0f);
				if (pix1 != header.transp)
					*data++ = realcolor[pix1+offset];
				else
					*data++ = 0;
				if (pix2 != header.transp)
					*data++ = realcolor[pix2+offset];
				else
					*data++ = 0;
				pixpos++;
			}
		}
		close(lfd);

		data = tmpIcon.data;

		if(cache_size+dsize < ICON_CACHE_SIZE) {
			cache_size += dsize;
			icon_cache.insert(std::pair <std::string, rawIcon> (filename, tmpIcon));
			//printf("Cached %s, cache size %d\n", newname.c_str(), cache_size);
		}
	} else {
		data = it->second.data;
		width = it->second.width;
		height = it->second.height;
		//printf("paintIcon: already cached %s %d x %d\n", newname.c_str(), width, height);
	}
_display:
	if(!paint)
		return true;

	if (h != 0)
		yy += (h - height) / 2;

	checkFbArea(x, yy, width, height, true);
	if (paintBg)
		paintBoxRel(x, yy, width, height, colBg);
	blit2FB(data, width, height, x, yy, 0, 0, true);
	checkFbArea(x, yy, width, height, false);
	return true;
}

void CFrameBuffer::loadPal(const std::string & filename, const unsigned char offset, const unsigned char endidx)
{
	if (!getActive())
		return;

//printf("%s()\n", __FUNCTION__);

	struct rgbData rgbdata;
	int	    lfd;

	lfd = open((iconBasePath + "/" + filename).c_str(), O_RDONLY);

	if (lfd == -1) {
		printf("error while loading palette: %s/%s\n", iconBasePath.c_str(), filename.c_str());
		return;
	}

	int pos = 0;
	int readb = read(lfd, &rgbdata,  sizeof(rgbdata) );
	while(readb) {
		__u32 rgb = (rgbdata.r<<16) | (rgbdata.g<<8) | (rgbdata.b);
		int colpos = offset+pos;
		if( colpos>endidx)
			break;

		paletteSetColor(colpos, rgb, 0xFF);
		readb = read(lfd, &rgbdata,  sizeof(rgbdata) );
		pos++;
	}
	paletteSet(&cmap);
	close(lfd);
}

void CFrameBuffer::paintPixel(const int x, const int y, const fb_pixel_t col)
{
	if (!getActive())
		return;

	#ifdef USE_NEVIS_GXA
	paintHLineRel(x, 1, y, col);
	#else
	fb_pixel_t * pos = getFrameBufferPointer();
	pos += (stride / sizeof(fb_pixel_t)) * y;
	pos += x;

	*pos = col;
	#endif
}

void CFrameBuffer::paintShortHLineRelInternal(const int& x, const int& dx, const int& y, const fb_pixel_t& col)
{
	uint8_t * pos = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;
	fb_pixel_t * dest = (fb_pixel_t *)pos;
	for (int i = 0; i < dx; i++)
		*(dest++) = col;
}

int CFrameBuffer::limitRadius(const int& dx, const int& dy, int& radius)
{
	if (radius > dx)
		return dx;
	if (radius > dy)
		return dy;
	if (radius > 540)
		return 540;
	return radius;
}

void CFrameBuffer::setCornerFlags(const int& type)
{
	corner_tl = (type & CORNER_TOP_LEFT)     == CORNER_TOP_LEFT;
	corner_tr = (type & CORNER_TOP_RIGHT)    == CORNER_TOP_RIGHT;
	corner_bl = (type & CORNER_BOTTOM_LEFT)  == CORNER_BOTTOM_LEFT;
	corner_br = (type & CORNER_BOTTOM_RIGHT) == CORNER_BOTTOM_RIGHT;
}

void CFrameBuffer::initQCircle()
{
	/* this table contains the x coordinates for a quarter circle (the bottom right quarter) with fixed
	   radius of 540 px which is the half of the max HD graphics size of 1080 px. So with that table we
	   ca draw boxes with round corners and als circles by just setting dx = dy = radius (max 540). */
	static const int _q_circle[541] = {
		540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540, 540,
		540, 540, 540, 540, 539, 539, 539, 539, 539, 539, 539, 539, 539, 539, 539, 539, 539, 539, 539, 539,
		539, 538, 538, 538, 538, 538, 538, 538, 538, 538, 538, 538, 538, 537, 537, 537, 537, 537, 537, 537,
		537, 537, 536, 536, 536, 536, 536, 536, 536, 536, 535, 535, 535, 535, 535, 535, 535, 535, 534, 534,
		534, 534, 534, 534, 533, 533, 533, 533, 533, 533, 532, 532, 532, 532, 532, 532, 531, 531, 531, 531,
		531, 531, 530, 530, 530, 530, 529, 529, 529, 529, 529, 529, 528, 528, 528, 528, 527, 527, 527, 527,
		527, 526, 526, 526, 526, 525, 525, 525, 525, 524, 524, 524, 524, 523, 523, 523, 523, 522, 522, 522,
		522, 521, 521, 521, 521, 520, 520, 520, 519, 519, 519, 518, 518, 518, 518, 517, 517, 517, 516, 516,
		516, 515, 515, 515, 515, 514, 514, 514, 513, 513, 513, 512, 512, 512, 511, 511, 511, 510, 510, 510,
		509, 509, 508, 508, 508, 507, 507, 507, 506, 506, 506, 505, 505, 504, 504, 504, 503, 503, 502, 502,
		502, 501, 501, 500, 500, 499, 499, 499, 498, 498, 498, 497, 497, 496, 496, 496, 495, 495, 494, 494,
		493, 493, 492, 492, 491, 491, 490, 490, 490, 489, 489, 488, 488, 487, 487, 486, 486, 485, 485, 484,
		484, 483, 483, 482, 482, 481, 481, 480, 480, 479, 479, 478, 478, 477, 477, 476, 476, 475, 475, 474,
		473, 473, 472, 472, 471, 471, 470, 470, 469, 468, 468, 467, 466, 466, 465, 465, 464, 464, 463, 462,
		462, 461, 460, 460, 459, 459, 458, 458, 457, 456, 455, 455, 454, 454, 453, 452, 452, 451, 450, 450,
		449, 449, 448, 447, 446, 446, 445, 445, 444, 443, 442, 441, 441, 440, 440, 439, 438, 437, 436, 436,
		435, 435, 434, 433, 432, 431, 431, 430, 429, 428, 427, 427, 426, 425, 425, 424, 423, 422, 421, 421,
		420, 419, 418, 417, 416, 416, 415, 414, 413, 412, 412, 411, 410, 409, 408, 407, 406, 405, 404, 403,
		403, 402, 401, 400, 399, 398, 397, 397, 395, 394, 393, 393, 392, 391, 390, 389, 388, 387, 386, 385,
		384, 383, 382, 381, 380, 379, 378, 377, 376, 375, 374, 373, 372, 371, 369, 368, 367, 367, 365, 364,
		363, 362, 361, 360, 358, 357, 356, 355, 354, 353, 352, 351, 350, 348, 347, 346, 345, 343, 342, 341,
		340, 339, 337, 336, 335, 334, 332, 331, 329, 328, 327, 326, 324, 323, 322, 321, 319, 317, 316, 315,
		314, 312, 310, 309, 308, 307, 305, 303, 302, 301, 299, 297, 296, 294, 293, 291, 289, 288, 287, 285,
		283, 281, 280, 278, 277, 275, 273, 271, 270, 268, 267, 265, 263, 261, 259, 258, 256, 254, 252, 250,
		248, 246, 244, 242, 240, 238, 236, 234, 232, 230, 228, 225, 223, 221, 219, 217, 215, 212, 210, 207,
		204, 202, 200, 197, 195, 192, 190, 187, 184, 181, 179, 176, 173, 170, 167, 164, 160, 157, 154, 150,
		147, 144, 140, 136, 132, 128, 124, 120, 115, 111, 105, 101,  95,  89,  83,  77,  69,  61,  52,  40,
		 23};
	if (q_circle == NULL)
		q_circle = new int[sizeof(_q_circle) / sizeof(int)];
	memcpy(q_circle, _q_circle, sizeof(_q_circle));
}

bool CFrameBuffer::calcCorners(int *ofs, int *ofl, int *ofr, const int& dy, const int& line, const int& radius, const int& type)
{
/* just an multiplicator for all math to reduce rounding errors */
#define MUL 32768
	int scl, _ofs = 0;
	bool ret = false;
	if (ofl != NULL) *ofl = 0;
	if (ofr != NULL) *ofr = 0;
	int scf = (540 * MUL) / ((radius < 1) ? 1 : radius);
	/* one of the top corners */
	if (line < radius && (type & CORNER_TOP)) {
		/* uper round corners */
		scl = scf * (radius - line) / MUL;
		if ((scf * (radius - line) % MUL) >= (MUL / 2)) /* round up */
			scl++;
		_ofs =  radius - (q_circle[scl] * MUL / scf);
		if (ofl != NULL) *ofl = corner_tl ? _ofs : 0;
		if (ofr != NULL) *ofr = corner_tr ? _ofs : 0;
	}
	/* one of the bottom corners */
	else if ((line >= dy - radius) && (type & CORNER_BOTTOM)) {
		/* lower round corners */
		scl = scf * (radius - (dy - (line + 1))) / MUL;
		if ((scf * (radius - (dy - (line + 1))) % MUL) >= (MUL / 2)) /* round up */
			scl++;
		_ofs =  radius - (q_circle[scl] * MUL / scf);
		if (ofl != NULL) *ofl = corner_bl ? _ofs : 0;
		if (ofr != NULL) *ofr = corner_br ? _ofs : 0;
	}
	else
		ret = true;
	if (ofs != NULL) *ofs = _ofs;
	return ret;
}

void CFrameBuffer::paintBoxFrame(const int x, const int y, const int dx, const int dy, const int px, const fb_pixel_t col, int radius, int type)
{
	if (!getActive())
		return;

	if (dx == 0 || dy == 0) {
		printf("paintBoxFrame: radius %d, start x %d y %d end x %d y %d\n", radius, x, y, x+dx, y+dy);
		return;
	}

	setCornerFlags(type);
	int rad_tl = 0, rad_tr = 0, rad_bl = 0, rad_br = 0;
	if (type && radius) {
		int x_rad = radius - 1;
		if (corner_tl) rad_tl = x_rad;
		if (corner_tr) rad_tr = x_rad;
		if (corner_bl) rad_bl = x_rad;
		if (corner_br) rad_br = x_rad;
	}
	paintBoxRel(x + rad_tl , y          , dx - rad_tl - rad_tr, px                  , col); // top horizontal
	paintBoxRel(x + rad_bl , y + dy - px, dx - rad_bl - rad_br, px                  , col); // bottom horizontal
	paintBoxRel(x          , y + rad_tl , px                  , dy - rad_tl - rad_bl, col); // left vertical
	paintBoxRel(x + dx - px, y + rad_tr , px                  , dy - rad_tr - rad_br, col); // right vertical

	if (type && radius) {
		radius = limitRadius(dx, dy, radius);
		int line = 0;
		waitForIdle("CFrameBuffer::paintBoxFrame");
		while (line < dy) {
			int ofs = 0, ofs_i = 0;
			// inner box
			if ((line >= px) && (line < (dy - px)))
				ofs_i = calcCornersOffset(dy - 2*px, line-px, radius-px, type);
			// outer box
			ofs = calcCornersOffset(dy, line, radius, type);

			int _x     = x + ofs;
			int _x_end = x + dx;
			int _y     = y + line;
			if ((line < px) || (line >= (dy - px))) {
				// left
				if (((corner_tl) && (line < radius)) || ((corner_bl) && (line >= dy - radius)))
					paintShortHLineRelInternal(_x, radius - ofs, _y, col);
				// right
				if (((corner_tr) && (line < radius)) || ((corner_br) && (line >= dy - radius)))
					paintShortHLineRelInternal(_x_end - radius, radius - ofs, _y, col);
			}
			else if (line < (dy - px)) {
				int _dx = (ofs_i-ofs) + px;
				// left
				if (((corner_tl) && (line < radius)) || ((corner_bl) && (line >= dy - radius)))
					paintShortHLineRelInternal(_x, _dx, _y, col);
				// right
				if (((corner_tr) && (line < radius)) || ((corner_br) && (line >= dy - radius)))
					paintShortHLineRelInternal(_x_end - ofs_i - px, _dx, _y, col);
			}
			if ((line == radius) && (dy > 2*radius))
				// line outside the rounded corners
				line = dy - radius;
			else
				line++;
		}
	}
}

void CFrameBuffer::paintLine(int xa, int ya, int xb, int yb, const fb_pixel_t col)
{
	if (!getActive())
		return;

//printf("%s(%d, %d, %d, %d, %.8X)\n", __FUNCTION__, xa, ya, xb, yb, col);

	int dx = abs (xa - xb);
	int dy = abs (ya - yb);
	int x;
	int y;
	int End;
	int step;

	if ( dx > dy )
	{
		int	p = 2 * dy - dx;
		int	twoDy = 2 * dy;
		int	twoDyDx = 2 * (dy-dx);

		if ( xa > xb )
		{
			x = xb;
			y = yb;
			End = xa;
			step = ya < yb ? -1 : 1;
		}
		else
		{
			x = xa;
			y = ya;
			End = xb;
			step = yb < ya ? -1 : 1;
		}

		paintPixel (x, y, col);

		while( x < End )
		{
			x++;
			if ( p < 0 )
				p += twoDy;
			else
			{
				y += step;
				p += twoDyDx;
			}
			paintPixel (x, y, col);
		}
	}
	else
	{
		int	p = 2 * dx - dy;
		int	twoDx = 2 * dx;
		int	twoDxDy = 2 * (dx-dy);

		if ( ya > yb )
		{
			x = xb;
			y = yb;
			End = ya;
			step = xa < xb ? -1 : 1;
		}
		else
		{
			x = xa;
			y = ya;
			End = yb;
			step = xb < xa ? -1 : 1;
		}

		paintPixel (x, y, col);

		while( y < End )
		{
			y++;
			if ( p < 0 )
				p += twoDx;
			else
			{
				x += step;
				p += twoDxDy;
			}
			paintPixel (x, y, col);
		}
	}
}
#if 0 
//never used
void CFrameBuffer::setBackgroundColor(const fb_pixel_t color)
{
	backgroundColor = color;
}

bool CFrameBuffer::loadPictureToMem(const std::string & filename, const uint16_t width, const uint16_t height, const uint16_t pstride, fb_pixel_t * memp)
{
	struct rawHeader header;
	int	      lfd;

//printf("%s(%d, %d, memp)\n", __FUNCTION__, width, height);

	lfd = open((iconBasePath + "/" + filename).c_str(), O_RDONLY );

	if (lfd == -1)
	{
		printf("error while loading icon: %s/%s\n", iconBasePath.c_str(), filename.c_str());
		return false;
	}

	read(lfd, &header, sizeof(struct rawHeader));

	if ((width  != ((header.width_hi  << 8) | header.width_lo)) ||
	    (height != ((header.height_hi << 8) | header.height_lo)))
	{
		printf("error while loading icon: %s - invalid resolution = %hux%hu\n", filename.c_str(), width, height);
		close(lfd);
		return false;
	}

	if ((pstride == 0) || (pstride == width * sizeof(fb_pixel_t)))
		read(lfd, memp, height * width * sizeof(fb_pixel_t));
	else
		for (int i = 0; i < height; i++)
			read(lfd, ((uint8_t *)memp) + i * pstride, width * sizeof(fb_pixel_t));

	close(lfd);
	return true;
}

bool CFrameBuffer::loadPicture2Mem(const std::string & filename, fb_pixel_t * memp)
{
	return loadPictureToMem(filename, BACKGROUNDIMAGEWIDTH, 576, 0, memp);
}

bool CFrameBuffer::loadPicture2FrameBuffer(const std::string & filename)
{
	if (!getActive())
		return false;

	return loadPictureToMem(filename, BACKGROUNDIMAGEWIDTH, 576, getStride(), getFrameBufferPointer());
}

bool CFrameBuffer::savePictureFromMem(const std::string & filename, const fb_pixel_t * const memp)
{
	struct rawHeader header;
	uint16_t	 width, height;
	int	      lfd;

	width = BACKGROUNDIMAGEWIDTH;
	height = 576;

	header.width_lo  = width  &  0xFF;
	header.width_hi  = width  >>    8;
	header.height_lo = height &  0xFF;
	header.height_hi = height >>    8;
	header.transp    =	      0;

	lfd = open((iconBasePath + "/" + filename).c_str(), O_WRONLY | O_CREAT, 0644);

	if (lfd==-1)
	{
		printf("error while saving icon: %s/%s", iconBasePath.c_str(), filename.c_str() );
		return false;
	}

	write(lfd, &header, sizeof(struct rawHeader));

	write(lfd, memp, width * height * sizeof(fb_pixel_t));

	close(lfd);
	return true;
}

bool CFrameBuffer::loadBackground(const std::string & filename, const unsigned char offset)
{
	if ((backgroundFilename == filename) && (background))
		return true;

	if (background)
		delete[] background;

	background = new fb_pixel_t[BACKGROUNDIMAGEWIDTH * 576];

	if (!loadPictureToMem(filename, BACKGROUNDIMAGEWIDTH, 576, 0, background))
	{
		delete[] background;
		background=0;
		return false;
	}

	if (offset != 0)//pic-offset
	{
		fb_pixel_t * bpos = background;
		int pos = BACKGROUNDIMAGEWIDTH * 576;
		while (pos > 0)
		{
			*bpos += offset;
			bpos++;
			pos--;
		}
	}

	fb_pixel_t * dest = background + BACKGROUNDIMAGEWIDTH * 576;
	uint8_t    * src  = ((uint8_t * )background)+ BACKGROUNDIMAGEWIDTH * 576;
	for (int i = 576 - 1; i >= 0; i--)
		for (int j = BACKGROUNDIMAGEWIDTH - 1; j >= 0; j--)
		{
			dest--;
			src--;
			paintPixel(dest, *src);
		}
	backgroundFilename = filename;

	return true;
}

bool CFrameBuffer::loadBackgroundPic(const std::string & filename, bool show)
{
	if ((backgroundFilename == filename) && (background))
		return true;

//printf("loadBackgroundPic: %s\n", filename.c_str());
	if (background){
		delete[] background;
		background = NULL;
	}
	background = g_PicViewer->getImage(iconBasePath + "/" + filename, BACKGROUNDIMAGEWIDTH, 576);

	if (background == NULL) {
		background=0;
		return false;
	}

	backgroundFilename = filename;
	if(show) {
		useBackgroundPaint = true;
		paintBackground();
	}
	return true;
}
#endif
void CFrameBuffer::useBackground(bool ub)
{
	useBackgroundPaint = ub;
	if(!useBackgroundPaint) {
		delete[] background;
		background=0;
	}
}

bool CFrameBuffer::getuseBackground(void)
{
	return useBackgroundPaint;
}

void CFrameBuffer::saveBackgroundImage(void)
{
	if (backupBackground != NULL){
		delete[] backupBackground;
		backupBackground = NULL;
	}
	backupBackground = background;
	//useBackground(false); // <- necessary since no background is available
	useBackgroundPaint = false;
	background = NULL;
}

void CFrameBuffer::restoreBackgroundImage(void)
{
	fb_pixel_t * tmp = background;

	if (backupBackground != NULL)
	{
		background = backupBackground;
		backupBackground = NULL;
	}
	else
		useBackground(false); // <- necessary since no background is available

	if (tmp != NULL){
		delete[] tmp;
		tmp = NULL;
	}
}

void CFrameBuffer::paintBackgroundBoxRel(int x, int y, int dx, int dy)
{
	if (!getActive())
		return;

	checkFbArea(x, y, dx, dy, true);
	if(!useBackgroundPaint)
	{
		paintBoxRel(x, y, dx, dy, backgroundColor);
	}
	else
	{
		uint8_t * fbpos = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;
		fb_pixel_t * bkpos = background + x + BACKGROUNDIMAGEWIDTH * y;
		for(int count = 0;count < dy; count++)
		{
			memmove(fbpos, bkpos, dx * sizeof(fb_pixel_t));
			fbpos += stride;
			bkpos += BACKGROUNDIMAGEWIDTH;
		}
	}
	checkFbArea(x, y, dx, dy, false);
}

void CFrameBuffer::paintBackground()
{
	if (!getActive())
		return;

	checkFbArea(0, 0, xRes, yRes, true);
	if (useBackgroundPaint && (background != NULL))
	{
		for (int i = 0; i < 576; i++)
			memmove(((uint8_t *)getFrameBufferPointer()) + i * stride, (background + i * BACKGROUNDIMAGEWIDTH), BACKGROUNDIMAGEWIDTH * sizeof(fb_pixel_t));
	}
	else
	{
		paintBoxRel(0, 0, xRes, yRes, backgroundColor);
	}
	checkFbArea(0, 0, xRes, yRes, false);
}

void CFrameBuffer::SaveScreen(int x, int y, int dx, int dy, fb_pixel_t * const memp)
{
	if (!getActive())
		return;

	checkFbArea(x, y, dx, dy, true);
	uint8_t * pos = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;
	fb_pixel_t * bkpos = memp;
	for (int count = 0; count < dy; count++) {
		fb_pixel_t * dest = (fb_pixel_t *)pos;
		for (int i = 0; i < dx; i++)
			//*(dest++) = col;
			*(bkpos++) = *(dest++);
		pos += stride;
	}
#if 0 //FIXME test to flush cache
	if (ioctl(fd, 1, FB_BLANK_UNBLANK) < 0);
#endif
	//RestoreScreen(x, y, dx, dy, memp); //FIXME
#if 0
	uint8_t * fbpos = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;
	fb_pixel_t * bkpos = memp;
	for (int count = 0; count < dy; count++)
	{
		memmove(bkpos, fbpos, dx * sizeof(fb_pixel_t));
		fbpos += stride;
		bkpos += dx;
	}
#endif
	checkFbArea(x, y, dx, dy, false);

}

void CFrameBuffer::RestoreScreen(int x, int y, int dx, int dy, fb_pixel_t * const memp)
{
	if (!getActive())
		return;

	checkFbArea(x, y, dx, dy, true);
	uint8_t * fbpos = ((uint8_t *)getFrameBufferPointer()) + x * sizeof(fb_pixel_t) + stride * y;
	fb_pixel_t * bkpos = memp;
	for (int count = 0; count < dy; count++)
	{
		memmove(fbpos, bkpos, dx * sizeof(fb_pixel_t));
		fbpos += stride;
		bkpos += dx;
	}
	checkFbArea(x, y, dx, dy, false);
}
#if 0 
//never used
void CFrameBuffer::switch_signal (int signal)
{
	CFrameBuffer * thiz = CFrameBuffer::getInstance();
	if (signal == SIGUSR1) {
		if (virtual_fb != NULL)
			delete[] virtual_fb;
		virtual_fb = new uint8_t[thiz->stride * thiz->yRes];
		thiz->active = false;
		if (virtual_fb != NULL)
			memmove(virtual_fb, thiz->lfb, thiz->stride * thiz->yRes);
		ioctl(thiz->tty, VT_RELDISP, 1);
		printf ("release display\n");
	}
	else if (signal == SIGUSR2) {
		ioctl(thiz->tty, VT_RELDISP, VT_ACKACQ);
		thiz->active = true;
		printf ("acquire display\n");
		thiz->paletteSet(NULL);
		if (virtual_fb != NULL)
			memmove(thiz->lfb, virtual_fb, thiz->stride * thiz->yRes);
		else
			memset(thiz->lfb, 0, thiz->stride * thiz->yRes);
	}
}
#endif 

void CFrameBuffer::Clear()
{
	paintBackground();
	//memset(getFrameBufferPointer(), 0, stride * yRes);
}

void CFrameBuffer::showFrame(const std::string & filename)
{
	std::string picture = std::string(ICONSDIR_VAR) + "/" + filename;
	if (access(picture.c_str(), F_OK))
		picture = iconBasePath + "/" + filename;
	if (filename.find("/", 0) != std::string::npos)
		picture = filename;

	videoDecoder->ShowPicture(picture.c_str());
}

void CFrameBuffer::stopFrame()
{
	videoDecoder->StopPicture();
}

bool CFrameBuffer::Lock()
{
	if(locked)
		return false;
	locked = true;
	return true;
}

void CFrameBuffer::Unlock()
{
	locked = false;
}

void * CFrameBuffer::int_convertRGB2FB(unsigned char *rgbbuff, unsigned long x, unsigned long y, int transp, bool alpha)
{
	unsigned long i;
	unsigned int *fbbuff;
	unsigned long count;

	if (!x || !y) {
		printf("convertRGB2FB%s: Error: invalid dimensions (%luX x %luY)\n",
		       ((alpha) ? " (Alpha)" : ""), x, y);
		return NULL;
	}

	count = x * y;

	fbbuff = (unsigned int *) cs_malloc_uncached(count * sizeof(unsigned int));
	if(fbbuff == NULL) {
		printf("convertRGB2FB%s: Error: cs_malloc_uncached\n", ((alpha) ? " (Alpha)" : ""));
		return NULL;
	}

	if (alpha) {
		for(i = 0; i < count ; i++)
			fbbuff[i] = ((rgbbuff[i*4+3] << 24) & 0xFF000000) | 
				    ((rgbbuff[i*4]   << 16) & 0x00FF0000) | 
				    ((rgbbuff[i*4+1] <<  8) & 0x0000FF00) | 
				    ((rgbbuff[i*4+2])       & 0x000000FF);
	} else {
		switch (m_transparent) {
			case CFrameBuffer::TM_BLACK:
				for(i = 0; i < count ; i++) {
					transp = 0;
					if(rgbbuff[i*3] || rgbbuff[i*3+1] || rgbbuff[i*3+2])
						transp = 0xFF;
					fbbuff[i] = (transp << 24) | ((rgbbuff[i*3] << 16) & 0xFF0000) | ((rgbbuff[i*3+1] << 8) & 0xFF00) | (rgbbuff[i*3+2] & 0xFF);
				}
				break;
			case CFrameBuffer::TM_INI:
				for(i = 0; i < count ; i++)
					fbbuff[i] = (transp << 24) | ((rgbbuff[i*3] << 16) & 0xFF0000) | ((rgbbuff[i*3+1] << 8) & 0xFF00) | (rgbbuff[i*3+2] & 0xFF);
				break;
			case CFrameBuffer::TM_NONE:
			default:
				for(i = 0; i < count ; i++)
					fbbuff[i] = 0xFF000000 | ((rgbbuff[i*3] << 16) & 0xFF0000) | ((rgbbuff[i*3+1] << 8) & 0xFF00) | (rgbbuff[i*3+2] & 0xFF);
				break;
		}
	}
	return (void *) fbbuff;
}

void * CFrameBuffer::convertRGB2FB(unsigned char *rgbbuff, unsigned long x, unsigned long y, int transp)
{
	return int_convertRGB2FB(rgbbuff, x, y, transp, false);
}

void * CFrameBuffer::convertRGBA2FB(unsigned char *rgbbuff, unsigned long x, unsigned long y)
{
	return int_convertRGB2FB(rgbbuff, x, y, 0, true);
}

void CFrameBuffer::blit2FB(void *fbbuff, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff, uint32_t xp, uint32_t yp, bool /*transp*/)
{
	int  xc, yc;

	xc = (width > xRes) ? xRes : width;
	yc = (height > yRes) ? yRes : height;

#if defined(FB_HW_ACCELERATION)
	if(!(width%4)) {
		fb_image image;
		image.dx = xoff;
		image.dy = yoff;
		image.width = xc;
		image.height = yc;
		image.cmap.len = 0;
		image.depth = 32;
#if 1
		image.data = (const char*)fbbuff;
		ioctl(fd, FBIO_IMAGE_BLT, &image);
#else
		for (int count = 0; count < yc; count++ ) {
			fb_pixel_t*  data = (fb_pixel_t *) fbbuff;
			fb_pixel_t *pixpos = &data[(count + yp) * width];
			image.data = (const char*) pixpos; //fbbuff +(count + yp)*width;
			image.dy = yoff+count;
			image.height = 1;
			ioctl(fd, FBIO_IMAGE_BLT, &image);
		}
#endif
		return;
	}
	
#elif defined(USE_NEVIS_GXA)
	u32 cmd;
	void * uKva;

	uKva = cs_phys_addr(fbbuff);
	//printf("CFrameBuffer::blit2FB: data %x Kva %x\n", (int) fbbuff, (int) uKva);

	if(uKva != NULL) {
		OpenThreads::ScopedLock<OpenThreads::Mutex> m_lock(mutex);
		cmd = GXA_CMD_BLT | GXA_CMD_NOT_TEXT | GXA_SRC_BMP_SEL(1) | GXA_DST_BMP_SEL(2) | GXA_PARAM_COUNT(3);

		_write_gxa(gxa_base, GXA_BMP1_TYPE_REG, (3 << 16) | width);
		_write_gxa(gxa_base, GXA_BMP1_ADDR_REG, (unsigned int) uKva);

		_write_gxa(gxa_base, cmd, GXA_POINT(xoff, yoff));   /* destination pos */
		_write_gxa(gxa_base, cmd, GXA_POINT(xc, yc));   /* source width, FIXME real or adjusted xc, yc ? */
		_write_gxa(gxa_base, cmd, GXA_POINT(xp, yp));   /* source pos */

		return;
	}
#endif
	fb_pixel_t*  data = (fb_pixel_t *) fbbuff;

	uint8_t * d = ((uint8_t *)getFrameBufferPointer()) + xoff * sizeof(fb_pixel_t) + stride * yoff;
	fb_pixel_t * d2;

	for (int count = 0; count < yc; count++ ) {
		fb_pixel_t *pixpos = &data[(count + yp) * width];
		d2 = (fb_pixel_t *) d;
		for (int count2 = 0; count2 < xc; count2++ ) {
			fb_pixel_t pix = *(pixpos + xp);
			if ((pix & 0xff000000) == 0xff000000)
				*d2 = pix;
			else {
				uint8_t *in = (uint8_t *)(pixpos + xp);
				uint8_t *out = (uint8_t *)d2;
				int a = in[3];	/* TODO: big/little endian */
				*out = (*out + ((*in - *out) * a) / 256);
				in++; out++;
				*out = (*out + ((*in - *out) * a) / 256);
				in++; out++;
				*out = (*out + ((*in - *out) * a) / 256);
			}
			d2++;
			pixpos++;
		}
		d += stride;
	}
}

void CFrameBuffer::blitBox2FB(const fb_pixel_t* boxBuf, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff)
{
	checkFbArea(xoff, yoff, width, height, true);

	uint32_t swidth = stride / sizeof(fb_pixel_t);
	fb_pixel_t *fbp = getFrameBufferPointer() + (swidth * yoff);
	fb_pixel_t* data = (fb_pixel_t*)boxBuf;

	uint32_t line = 0;
	while (line < height) {
		fb_pixel_t *pixpos = &data[line * width];
		for (uint32_t pos = xoff; pos < xoff + width; pos++) {
			//don't paint backgroundcolor (*pixpos = 0x00000000)
			if (*pixpos)
				*(fbp + pos) = *pixpos;
			pixpos++;
		}
		fbp += swidth;
		line++;
	}

	checkFbArea(xoff, yoff, width, height, false);
}

void CFrameBuffer::displayRGB(unsigned char *rgbbuff, int x_size, int y_size, int x_pan, int y_pan, int x_offs, int y_offs, bool clearfb, int transp)
{
	void *fbbuff = NULL;

	if(rgbbuff == NULL)
		return;

	/* correct panning */
	if(x_pan > x_size - (int)xRes) x_pan = 0;
	if(y_pan > y_size - (int)yRes) y_pan = 0;

	/* correct offset */
	if(x_offs + x_size > (int)xRes) x_offs = 0;
	if(y_offs + y_size > (int)yRes) y_offs = 0;

	/* blit buffer 2 fb */
	fbbuff = convertRGB2FB(rgbbuff, x_size, y_size, transp);
	if(fbbuff==NULL)
		return;

	/* ClearFB if image is smaller */
	/* if(x_size < (int)xRes || y_size < (int)yRes) */
	if(clearfb)
		CFrameBuffer::getInstance()->Clear();

	blit2FB(fbbuff, x_size, y_size, x_offs, y_offs, x_pan, y_pan);
	cs_free_uncached(fbbuff);
}

// ## AudioMute / Clock ######################################

void CFrameBuffer::setFbArea(int element, int _x, int _y, int _dx, int _dy)
{
	if (_x == 0 && _y == 0 && _dx == 0 && _dy == 0) {
		// delete area
		for (fbarea_iterator_t it = v_fbarea.begin(); it != v_fbarea.end(); ++it) {
			if (it->element == element) {
				v_fbarea.erase(it);
				break;
			}
		}
		if (v_fbarea.empty()) {
			fbAreaActiv = false;
		}
	}
	else {
		// change area
		bool found = false;
		for (unsigned int i = 0; i < v_fbarea.size(); i++) {
			if (v_fbarea[i].element == element) {
				v_fbarea[i].x = _x;
				v_fbarea[i].y = _y;
				v_fbarea[i].dx = _dx;
				v_fbarea[i].dy = _dy;
				found = true;
				break;
			}
		}
		// set new area
		if (!found) {
			fb_area_t area;
			area.x = _x;
			area.y = _y;
			area.dx = _dx;
			area.dy = _dy;
			area.element = element;
			v_fbarea.push_back(area);
		}
		fbAreaActiv = true;
	}
}

int CFrameBuffer::checkFbAreaElement(int _x, int _y, int _dx, int _dy, fb_area_t *area)
{
	if (fb_no_check)
		return FB_PAINTAREA_MATCH_NO;

	if (_y > area->y + area->dy)
		return FB_PAINTAREA_MATCH_NO;
	if (_x + _dx < area->x)
		return FB_PAINTAREA_MATCH_NO;
	if (_x > area->x + area->dx)
		return FB_PAINTAREA_MATCH_NO;
	if (_y + _dy < area->y)
		return FB_PAINTAREA_MATCH_NO;
	return FB_PAINTAREA_MATCH_OK;
}

bool CFrameBuffer::_checkFbArea(int _x, int _y, int _dx, int _dy, bool prev)
{
	if (v_fbarea.empty())
		return true;

	for (unsigned int i = 0; i < v_fbarea.size(); i++) {
		int ret = checkFbAreaElement(_x, _y, _dx, _dy, &v_fbarea[i]);
		if (ret == FB_PAINTAREA_MATCH_OK) {
			switch (v_fbarea[i].element) {
				case FB_PAINTAREA_MUTEICON1:
					if (!do_paint_mute_icon)
						break;
//					waitForIdle();
					fb_no_check = true;
					if (prev)
						CAudioMute::getInstance()->hide();
					else
						CAudioMute::getInstance()->paint();
					fb_no_check = false;
					break;
				default:
					break;
			}
		}
	}

	return true;
}
