//----合并区域简化版-----------------------------------------------------------
//功能: 把给定的剪切域队列中可合并的区域合并，简化版的意思是，队列中的区域已经按
// 左->右，从上->下的顺序排列，合并后，多余的clip将被释放。
//参数: clipq: 指向待合并的队列首
//返回: 无
//-----------------------------------------------------------------------------
struct tagClipRect * __GK_CombineClip_s(struct tagClipRect *clipq)
{
struct tagClipRect *clip,*clip1,*tempclip;
if(clipq == NULL)
return NULL;
//合并剪切域
clip = clipq;
clip1 = clipq->next;
//执行水平合并,由于clip是按照先横后纵的方式划分的，因此水平合并只需要查
//看相邻矩形是否可以合并即可
while(clip1 != clipq)
{
if((clip1->rect.top == clip->rect.top)
&&(clip1->rect.bottom == clip->rect.bottom)
&&(clip1->rect.left == clip->rect.right)) //可合并
{
clip->rect.right = clip1->rect.right;
clip->next = clip1->next;
clip1->next->previous = clip;
Mb_Free(g_ptClipRectPool,clip1);
clip1 = clip->next;
}
else if((clip1->rect.top == clip->rect.top) //存在剪切域相同的情况
&&(clip1->rect.bottom == clip->rect.bottom)
&&(clip1->rect.left == clip->rect.left)
&&(clip1->rect.right== clip->rect.right))
{
clip->next = clip1->next;
clip1->next->previous = clip;
Mb_Free(g_ptClipRectPool,clip1);
clip1 = clip->next;
}else
{
clip = clip1;
clip1 = clip1->next;
}
}
//执行垂直合并，可合并的矩形可能不相邻，故需两重循环才能完成。
clip = clipq;
do{
clip1 = clip->next;
while(clip1 != clip)
{
if((clip1->rect.left == clip->rect.left)
&&(clip1->rect.right == clip->rect.right)
&&(clip->rect.bottom == clip1->rect.top)) //可合并
{
clip->rect.bottom = clip1->rect.bottom;
clip1->previous->next = clip1->next;
clip1->next->previous = clip1->previous;
tempclip = clip1;
clip1 = clip1->next;
Mb_Free(g_ptClipRectPool,tempclip);
}else
clip1 = clip1->next;
}
clip = clip->next;
}while(clip != clipq);
return clipq;
}
// =========================================================================
// 函数功能:删除整个菜单分支包括祖先节点
// 输入参数：pMenuitem，待删除的菜单分支祖先节点
// 输出参数：
// 返回值 :true成功 false失败
// 说明 :删除当前菜单项的所有后代菜单以及当前菜单（逻辑上和物理上），通过循环删除
// 端节点来实现
// =========================================================================
bool_t DelMenuBranchCompletely(struct menu_item * pMenuitem)
{
bool_t result=false;
struct menu_item *temp_menuitem=pMenuitem;
if((struct tagRscNode *)pMenuitem==pg_menuitem_root)//this is an menuitem root node
{
printf("Invalid para---DelMenuBranchCompletely\n");
return result;
}
while((temp_menuitem=SearchSubTernalMenuitem(pMenuitem))!=NULL)
{
printf("begin to delete the menuitem=%s\n",temp_menuitem->node.name);
Rsc_DelNode((struct tagRscNode *)temp_menuitem);
Mb_Free(pg_menuitem_pool, temp_menuitem);
}
if(Rsc_GetParent((struct tagRscNode *)pMenuitem)==pg_menuitem_root)
{
menuitem_tree_count--;
}
printf("begin to delete the menuitem=%s\n",pMenuitem->node.name);
Rsc_DelNode((struct tagRscNode *)(&(pMenuitem->node)));
Mb_Free(pg_menuitem_pool, pMenuitem);
result=true;
return result;
}
//----从MultiplexSets删除对象-----------------------------------------------------
//功能: MultiplexAdd的逆函数
//参数: Sets，被操作的MultiplexSets指针
// ObjectHead，被操作的Object队列头指针的指针
//返回: true=成功，false=失败。
//-----------------------------------------------------------------------------
bool_t Multiplex_DelObject(struct tagMultiplexSetsCB *Sets,
struct tagMultiplexObjectCB **ObjectHead)
{
struct tagMultiplexObjectCB *Object,*following = NULL;
if ((Sets == NULL) || (ObjectHead == NULL))
return false;
Lock_MutexPend(&MultiplexMutex, CN_TIMEOUT_FOREVER);
Object = *ObjectHead;
while (Object != NULL) { //查找被删除的对象控制块
if (Object->MySets != Sets) {
following = Object;
Object = Object->NextSets;
} else
break;
}
if (Object != NULL) {
//下面检查被删除的Object是否已经触发，
if (__ObjectIsActived(Object->PendingBit,
Object->SensingBit & ~0x80000000,
Object->SensingBit & 0x80000000)) {
if (Sets->Actived != 0) {
Sets->Actived--;
if (Sets->Actived == 0)
Sets->SetsActived = false;
}
}
Sets->ObjectSum--;
if (Object->NextObject != Object) { //链表中不止一个结点
Object->NextObject->PreObject = Object->PreObject;
Object->PreObject->NextObject = Object->NextObject;
if (Object == Sets->ObjectQ) {
Sets->ObjectQ = Object->NextObject;
}
if (Object == Sets->ActiveQ) {
Sets->ActiveQ = Object->NextObject;
}
} else { //链表只有一个结点
if (Object == Sets->ObjectQ) {
Sets->ObjectQ = NULL;
}
if (Object == Sets->ActiveQ) {
Sets->ActiveQ = NULL;
}
}
if (following == NULL) {
*ObjectHead = NULL;
} else {
following->NextObject = Object->NextObject;
}
Mb_Free(g_ptMultiplexObjectPool, Object);
}
Lock_MutexPost(&MultiplexMutex);
return true;
}
// =============================================================================
// 函数功能：删除看门狗
// 输入参数:wdt,待删除的看门狗
// 输出参数：
// 返回值 ：true成功，false失败
// 说明 ：和Wdt_Create成对调用
// =============================================================================
bool_t Wdt_Delete(tagWdt *wdt)
{
bool_t result = false;
if(NULL != wdt)
{
result = Wdt_Delete_s(wdt);
if(result)
{
Mb_Free(ptWdtPool,wdt);
}
}
return result;
}
//----释放clip队列-------------------------------------------------------------
//功能: 释放一个clip队列的所有节点，该队列是一个双向循环队列。
//参数: clip，指向待释放队列的一个节点的指针
//返回: 无
//-----------------------------------------------------------------------------
struct tagClipRect *__GK_FreeClipQueue(struct tagClipRect *clip)
{
struct tagClipRect *temp,*temp1;
if(clip != NULL)
{
temp = clip;
do
{
temp1 = temp->next;
Mb_Free(g_ptClipRectPool,temp);
temp = temp1;
}while(temp != clip);
}
return NULL;
}
// =============================================================================
// 函数功能： Socket_Free
// 释放套接字内存空间
// 输入参数： fd, 待释放的套接字
// 输出参数： 无
// 返回值 ：无
// 说明 ：
// =============================================================================
bool_t Socket_Free(tagSocket *sockfd)
{
if(NULL != sockfd)
{
Lock_MutexDelete(sockfd->sync);
sockfd->valid = false;
sockfd->socktype = EN_SOCKET_NOTSURE;
Mb_Free(pgSocketPool, (void *)sockfd);
return true;
}
else
{
return false;
}
}
//----卸载输入设备-------------------------------------------------------------
//功能: 把输入设备从资源接点删除，从"input device"资源的子资源中，找到
// "device_name"资源接点，删除之，并把内存释放到pg_stdin_device_pool
// 内存池中
//参数: device_name，目标设备的资源名
//返回: true = 成功删除，0=失败。
//-----------------------------------------------------------------------------
bool_t Stddev_UnInstallDevice(char *device_name)
{
struct tagRscNode *temp;
struct tagStdinDeviceRsc *djy_stdin;
djy_stdin = (struct tagStdinDeviceRsc *)Rsc_SearchSon(
&s_ptStdinDeviceRscTree->stdin_device_node,device_name);
if(djy_stdin == NULL)
return false;
temp = &djy_stdin->stdin_device_node;
if(Rsc_DelNode(temp) != NULL)
{
Mb_Free(g_ptStdinDevicePool,djy_stdin);
return true;
}
else
return false;
}
// =============================================================================
// 函数功能：创建看门狗
// 输入参数：
// dogname,看门狗名字
// yip_cylce,狗叫周期，单位为微秒
// yiphook,狗叫善后函数指针
// yip_action,狗叫动作，当yiphook为空或者返回default时采用此值
// levepara,看门狗超时的原因以及超时容忍次数等限制参数
// 输出参数：
// 返回值 ：创建的虚拟看门狗，NULL表示失败
// 说明 ：务必保证看门狗善后函数返回值的定义符合标准，见enum _EN_EXP_DEAL_TYPE
// 的声明（exp_api.h文件）
// 创建的看门狗若成功，则下次狗叫时间为当前时间+yip_cycle=time
// =============================================================================
tagWdt *Wdt_Create(char *dogname,u32 yip_cycle,\
fnYipHook yiphook,ptu32_t yip_action, tagWdtTolerate *levelpara)
{
tagWdt *result;
tagWdt *wdt;
result = NULL;
wdt = Mb_Malloc(ptWdtPool,0);
if(NULL != wdt)
{
result = Wdt_Create_s(wdt,dogname,yip_cycle,yiphook,yip_action, levelpara);
if(NULL == result)
{
Mb_Free(ptWdtPool,wdt);
}
}
return result;
}
//----备份clip_link---------------------------------------------------------
//功能: 备份剪切域队列。
//参数: clip_link，被备份的剪切域队列
//返回: 备份的队列，出错则返回NULL
//-----------------------------------------------------------------------------
struct tagClipRect * __GK_CopyClipLink(struct tagClipRect *clip_link)
{
struct tagClipRect *clip1,*clip2,*clip_rsc,*result = NULL;
clip_rsc = clip_link;
if(clip_rsc == NULL)
return NULL;
//创建第一个节点
clip1 = (struct tagClipRect*)Mb_Malloc(g_ptClipRectPool,0);
if(clip1 == NULL)
return NULL;
clip1->rect = clip_rsc->rect;
result = clip1;
clip1->next = NULL;
clip_rsc = clip_rsc->next;
while(clip_rsc != clip_link)
{
clip2 = (struct tagClipRect*)Mb_Malloc(g_ptClipRectPool,0);
if(clip2 == NULL)
goto error_exit;
clip2->rect = clip_rsc->rect;
clip_rsc = clip_rsc->next;
clip1->next = clip2;
clip2->previous = clip1;
clip2->next = NULL;
clip1 = clip2;
}
//以下两句使copy_clip链表形成闭环
result->previous = clip1;
clip1->next = result;
return result;
error_exit:
clip1 = result;
do
{
clip2 = clip1->next;
Mb_Free(g_ptClipRectPool,clip1);
clip1 = clip2;
}while(clip2 != NULL);
return NULL;
}
// =========================================================================
// 函数功能:释放菜单项所占用的空间
// 输入参数:待释放的菜单项pMenuitem
// 输出参数：
// 返回值 : true：成功，false：失败（其node节点没有clean）
// 说明 :本函数仅仅会释放那些没有逻辑关联的菜单项，如果其node还没有clean掉，则不会释放
// =========================================================================
bool_t FreeMenuitem(struct menu_item * pMenuitem)
{
bool_t result=false;
if(NULL==pMenuitem)
{
printf("This is an empty pMenuitem!\n");
result=true;
return result;
}
else if((pMenuitem->node.child!=NULL)||(pMenuitem->node.parent!=NULL)||\
(pMenuitem->node.previous!=NULL)||(pMenuitem->node.next!=NULL))
{
printf("use DelMenuBranchCompletely(struct menu_item * pMenuitem)!\n");
return result;
}
else
{
Mb_Free(pg_menuitem_pool,(void *)pMenuitem);
result = true;
return result;
}
}
// =============================================================================
// 函数功能： Socket_New
// 分配套接字内存空间
// 输入参数： 无
// 输出参数： 无
// 返回值 ：NULL表示分配不成功（内存不足），否则返回分配的套接字结构
// 说明 ：分配时空间已经被初始化完毕
// =============================================================================
tagSocket* Socket_New(void)
{
tagSocket *result;
result = Mb_Malloc(pgSocketPool, CN_TIMEOUT_FOREVER);
if(NULL != result)
{
memset(result,0,sizeof(tagSocket));
result->sync = Lock_MutexCreate(NULL);
if(NULL != result->sync)
{
//init the socket
result->valid = true;
result->socktype = EN_SOCKET_NOTSURE;
sgDebugSocket = result;
}
else
{
Mb_Free(pgSocketPool, (void *)result);
result = NULL;
}
}
return result;
}
//----提取剪切域队列重叠部分---------------------------------------------------
//功能: 提取src队列中的所有矩形与sub队列中重叠的部分，用ins参数返回；
// src中非重叠的部分也形成新的剪切域队列，从different返回。
//参数: src，被减的队列指针，执行后，本队列将被释放或转移
// sub，减数队列指针
// ins，src与sub相交的部分
// different，src与sub不相交的部分
//返回: 无
//-----------------------------------------------------------------------------
void __GK_ClipLinkSub(struct tagClipRect *src,struct tagClipRect *sub,
struct tagClipRect **ins,struct tagClipRect **different)
{
struct tagClipRect *difftemp = NULL; //不重叠的部分暂存
struct tagClipRect *worksrc; //src中矩形被减产生的工作子队列
struct tagClipRect *LoopSrc;
struct tagClipRect *EndLoop;
struct tagClipRect *workloop; //工作子队列的循环遍历指针
struct tagClipRect *subloop; //减数队列的循环遍历指针
struct tagClipRect *clip_ints=NULL; //用于收集重叠的区域
struct tagClipRect *temp1; //临时变量
struct tagRectangle ints_rect,src_rect;
bool_t EndSub;
ufast_t uftemp;
//减数队列为空
if(sub == NULL)
{ //被减数队列为空
if(src == NULL)
{//src与sub相交、不相交的部分都为空
*ins = NULL;
*different = NULL;
return;
}else
{//src与sub相交部分为空、不相交的部分为src
*ins = NULL;
*different = src;
return;
}
}else //减数队列不为空
{ //被减数队列为空
if(src == NULL)
{//src与sub相交、不相交的部分都为空
*ins = NULL;
*different = NULL;//
// *different = sub;
return;
}
}
//被减数队列、减数队列都不为空
LoopSrc = src;
do{
worksrc = LoopSrc;
LoopSrc = LoopSrc->next;
worksrc->next = worksrc;
worksrc->previous = worksrc;
subloop = sub;
do{
workloop = worksrc;
EndLoop = worksrc->previous;
EndSub = false;
//此处用循环是必要的，减sub中第一个矩形时worksrc只有一个矩形，可
//以不用循环来处理，但减第二个矩形时，worksrc可能分裂成一个队列。
do
{
if(__GK_GetRectInts(&workloop->rect,&subloop->rect,&ints_rect))
{//矩形相交
temp1 = (struct tagClipRect *)Mb_Malloc(g_ptClipRectPool,0);
temp1->rect = ints_rect;
//把相交区域加入clip_ints
__GK_ClipConnect(&clip_ints,temp1);
src_rect = workloop->rect;
uftemp = 0;
//以下提取workloop中与subloop中不相交的部分，直接替代src队列
//中workloop的位置
if(subloop->rect.top > src_rect.top) //上部矩形
{ //首个矩形，覆盖原结点
workloop->rect.bottom = subloop->rect.top;
workloop = workloop->next;
uftemp++;
}
if(subloop->rect.left > src_rect.left) //左部矩形
{ //首个矩形，覆盖原结点
if(uftemp == 0)
{
workloop->rect.right = subloop->rect.left;
if(src_rect.bottom < subloop->rect.bottom)
workloop->rect.bottom = src_rect.bottom;
else
workloop->rect.bottom = subloop->rect.bottom;
workloop = workloop->next;
}else
{
temp1 =
(struct tagClipRect *)Mb_Malloc(g_ptClipRectPool,0);
temp1->rect.left = src_rect.left;
temp1->rect.top = subloop->rect.top;
temp1->rect.right = subloop->rect.left;
if(src_rect.bottom < subloop->rect.bottom)
temp1->rect.bottom = src_rect.bottom;
else
temp1->rect.bottom = subloop->rect.bottom;
__GK_ClipConnect(&workloop,temp1);
}
uftemp++;
}
if(subloop->rect.right < src_rect.right) //右部矩形
{ //首个矩形，覆盖原结点
if(uftemp == 0)
{
workloop->rect.left = subloop->rect.right;
if(src_rect.bottom < subloop->rect.bottom)
workloop->rect.bottom = src_rect.bottom;
else
workloop->rect.bottom = subloop->rect.bottom;
workloop = workloop->next;
}else
{
temp1 =
(struct tagClipRect *)Mb_Malloc(g_ptClipRectPool,0);
temp1->rect.left = subloop->rect.right;
if(src_rect.top < subloop->rect.top)
temp1->rect.top = subloop->rect.top;
else
temp1->rect.top = src_rect.top;
temp1->rect.right = src_rect.right;
if(src_rect.bottom < subloop->rect.bottom)
temp1->rect.bottom = src_rect.bottom;
else
temp1->rect.bottom = subloop->rect.bottom;
__GK_ClipConnect(&workloop,temp1);
}
uftemp++;
}
if(subloop->rect.bottom < src_rect.bottom) //下部矩形
{ //首个矩形，覆盖原结点
if(uftemp == 0)
{
workloop->rect.top = subloop->rect.bottom;
workloop = workloop->next;
}else
{
temp1 =
(struct tagClipRect *)Mb_Malloc(g_ptClipRectPool,0);
temp1->rect.left = src_rect.left;
temp1->rect.top = subloop->rect.bottom;
temp1->rect.right = src_rect.right;
temp1->rect.bottom = src_rect.bottom;
__GK_ClipConnect(&workloop,temp1);
}
uftemp++;
}
if(uftemp == 0) //源矩形被完全覆盖,
{
if(worksrc->next == worksrc) //源队列只有一个矩形
{
Mb_Free(g_ptClipRectPool,worksrc);
worksrc = NULL;
// workloop = NULL;
EndSub = true;
}else
{
temp1 = workloop;
workloop = workloop->next;
temp1->previous->next = workloop;
workloop->previous = temp1->previous;
if(worksrc == temp1)
worksrc = workloop;
if(EndLoop == temp1)
EndSub = true;
Mb_Free(g_ptClipRectPool,temp1);
}
}
else
{
workloop = workloop->next;
}
}
else //矩形不相交
{
workloop = workloop->next;
}
if(workloop->previous == EndLoop)
EndSub = true;
}while(EndSub == false);
if(worksrc == NULL)
break;
subloop = subloop->next;
}while(subloop != sub);
__GK_ClipLinkConnect(&difftemp,worksrc);
}while(src != LoopSrc);
*different = difftemp;
*ins = clip_ints;
}
//----获取被修改区域-----------------------------------------------------------
//功能: 获取一个窗口的被修改部分的剪切域，形成双向循环链表，链表中的clip以先
// 左->右，再上->下的顺序排列，并清零changed_msk数组。
//参数: gkwin，目标窗口
//返回: 链表指针，NULL表示窗口未被修改
//-----------------------------------------------------------------------------
struct tagClipRect *__GK_GetChangedClip(struct tagGkWinRsc *gkwin)
{
struct tagClipRect *clip=NULL,*clip1,*tempclip,*clip_head = NULL;
u8 *msk;
u32 offset_bit,offset,msk_line_words;
s16 loopx,loopy;
bool_t start;
s32 width,height;
if(gkwin->change_flag == CN_GKWIN_CHANGE_ALL) //整个窗口均被修改
{
clip = (struct tagClipRect *)Mb_Malloc(g_ptClipRectPool,0);
if(clip != NULL)
{
clip->rect.left = gkwin->limit_left + gkwin->absx0;
clip->rect.top = gkwin->limit_top + gkwin->absy0;
clip->rect.right = gkwin->limit_right + gkwin->absx0;
clip->rect.bottom = gkwin->limit_bottom + gkwin->absy0;
clip->next = clip;
clip->previous = clip;
gkwin->change_flag = CN_GKWIN_CHANGE_NONE;
return clip; //把整个窗口的可显示区域当作一个剪切域返回
}
else
return NULL;
}else if(gkwin->change_flag == CN_GKWIN_CHANGE_NONE) //没有修改
{
return NULL;
}else //部分修改，先按x方向取得剪切域，再按y方向合并
{
offset = 0; //首行字偏移量
msk = gkwin->changed_msk.bm_bits;
width = gkwin->wm_bitmap->width;
height = gkwin->wm_bitmap->height;
msk_line_words = gkwin->changed_msk.linebytes;
for(loopy = 0; loopy < height; loopy +=8)
{
start = false; //开始一段连续的被修改区域
offset_bit = 0; //起始块的位偏移
for(loopx = 0; loopx < width; loopx+=8)
{
if(msk[offset+offset_bit/8]&(u8)(1<<(8-(offset_bit%8)-1)))
{ //该块的changed flag为true。
if(start == false) //changed block开始被修改
{
start = true;
clip =(struct tagClipRect*)Mb_Malloc(g_ptClipRectPool,0);
if(clip != NULL)
{
clip->rect.left = gkwin->absx0 + offset_bit*8;
clip->rect.top = loopy + gkwin->absy0;
clip->rect.right = clip->rect.left + 8;
clip->rect.bottom = clip->rect.top + 8;
}
else
{
__GK_FreeClipQueue(clip_head);
return NULL;
}
}else //changed block持续
{
clip->rect.right += 8;
}
}else //如果本行的最后一块也是被改写的块，则程序不会走到这里
{
if(start == true) //changed block结束
{
__GK_ClipConnect(&clip_head,clip);
start = false;
}
}
offset_bit++;
}
//本行最后一块是被改写块，需要在这里把该区域加入被修改区域
if(start == true)
__GK_ClipConnect(&clip_head,clip);
offset += msk_line_words;
}
//至此，x方向条状clip已经生成，现在沿y方向合并
clip = clip_head;
do{
clip1 = clip->next;
while(clip1 != clip)
{
if((clip1->rect.left == clip->rect.left)
&&(clip1->rect.right == clip->rect.right)
&&((clip->rect.bottom)== clip1->rect.top))//可合并
{
clip->rect.bottom += 8;
clip1->previous->next = clip1->next;
clip1->next->previous = clip1->previous;
tempclip = clip1;
clip1 = clip1->next;
Mb_Free(g_ptClipRectPool,tempclip);
}else
clip1 = clip1->next;
}
clip = clip->next;
}while(clip != clip_head);
gkwin->change_flag = CN_GKWIN_CHANGE_NONE;
}
memset(msk,0,msk_line_words * gkwin->changed_msk.height);
return clip_head;
}
// =============================================================================
// 函数功能:释放vncclip的存储空间，
// 输入参数:
// 输出参数：
// 返回值 :NULL，失败，否则成功
// 说明 :这是从VNC的内存池分配的空间，所以一般的情况下，请不要擅自删除，使用API函数
// 对应的分配和删除
// =============================================================================
void free_vncclip_space(struct tagClipRect *clip)
{
Mb_Free(pg_vncclip_pool,clip);
}