void layer_slide(struct LAYER * lay, int vx0, int vy0){
int old_vx0 = lay->vx0;
int old_vy0 = lay->vy0;
lay->vx0 = vx0;
lay->vy0 = vy0;
if(lay->height >= 0){
layer_refresh_map(lay->ctl,old_vx0,old_vy0,old_vx0 + lay->bxsize,old_vy0 + lay->bysize, 0);
layer_refresh_map(lay->ctl, vx0, vy0, vx0 + lay->bxsize, vy0 + lay->bysize, lay->height);
layer_refresh_sub(lay->ctl,old_vx0,old_vy0,old_vx0 + lay->bxsize,old_vy0 + lay->bysize, 0, lay->height - 1);
layer_refresh_sub(lay->ctl, vx0, vy0, vx0 + lay->bxsize, vy0 + lay->bysize, lay->height, lay->height);
}
}
void layer_updown(struct LAYER * lay, int height){
struct LAYER_CTL *ctl = lay->ctl;
int h,old = lay->height;
if(height > ctl->top + 1){
height = ctl->top + 1;
}
if(height < -1){
height = -1;
}
lay->height = height;
if(old > height){
if(height >= 0){
for(h = old; h > height; h--){
ctl->layers_p[h] = ctl->layers_p[h - 1];
ctl->layers_p[h]->height = h;
}
ctl->layers_p[height] = lay;
layer_refresh_map(lay->ctl,lay->vx0,lay->vy0,lay->vx0 + lay->bxsize, lay->vy0 + lay->bysize, height + 1);
layer_refresh_sub(lay->ctl,lay->vx0,lay->vy0,lay->vx0 + lay->bxsize, lay->vy0 + lay->bysize, height + 1, old);
}else{
if(ctl->top > old){
for(h = old; h < ctl->top; h++){
ctl->layers_p[h] = ctl->layers_p[h + 1];
ctl->layers_p[h]->height = h;
}
}
ctl->top--;
layer_refresh_map(lay->ctl,lay->vx0,lay->vy0,lay->vx0 + lay->bxsize, lay->vy0 + lay->bysize, 0);
layer_refresh_sub(lay->ctl,lay->vx0,lay->vy0,lay->vx0 + lay->bxsize, lay->vy0 + lay->bysize, 0, old - 1);
}
}else if(old < height){
if(old >= 0){
for(h = old; h < height; h++){
ctl->layers_p[h] = ctl->layers_p[h + 1];
ctl->layers_p[h]->height = h;
}
ctl->layers_p[height] = lay;
}else{
for(h = ctl->top; h >= height; h--){
ctl->layers_p[h + 1] = ctl->layers_p[h];
ctl->layers_p[h + 1]->height = h + 1;
}
ctl->layers_p[height] = lay;
ctl->top++;
}
layer_refresh_map(lay->ctl,lay->vx0,lay->vy0,lay->vx0 + lay->bxsize, lay->vy0 + lay->bysize, height);
layer_refresh_sub(lay->ctl,lay->vx0,lay->vy0,lay->vx0 + lay->bxsize, lay->vy0 + lay->bysize, height, height);
}
return;
}
//图层平移，不切换
void layer_slide(LAYER *layer, int x0, int y0)
{
LAYER_MANAGE *layer_man = layer->layer_man;
int old_x0 = layer->x, old_y0 = layer->y;
layer->x = x0;
layer->y = y0;
if(layer->height >= 0) //只要图层位于显示区域（没有隐藏），就可以进行平移
{
//图层移动之后，原来位置上的所有图层都需要刷新
layer_refresh_map(layer_man, old_x0, old_y0, old_x0 + layer->length, old_y0 + layer->width, 0);
//图层移动的新的位置上，只刷新该图层到最顶层的地图，下面的图层即时刷新也会被上层掩盖，所以不用白费功夫
layer_refresh_map(layer_man, x0, y0, x0 + layer->length, y0 + layer->width, layer->height);
//原来的位置需要从最底层开始刷新，因为移动之后最底层的图像有可能会显示出来
layer_part_refresh(layer_man, old_x0, old_y0, old_x0 + layer->length, old_y0 + layer->width, 0, layer->height - 1); //刷新图层原来的位置
//移动到新位置后，只刷新自己这一图层就行了，因为它不会影响更高图层的显示，刷新高层图层也是浪费时间，做无用功
layer_part_refresh(layer_man, x0, y0, x0 + layer->length, y0 + layer->width, layer->height, layer->height); //刷新图层现在所在的位置
}
}
void
layer_slide(layer_t* layer, int x, int y)
{
int old_x = layer->x;
int old_y = layer->y;
layer->x = x;
layer->y = y;
if (layer->height >= 0) {
layer_refresh_map(layer->mgr, old_x, old_y,
old_x + layer->w_size, old_y + layer->h_size, 0);
layer_refresh_map(layer->mgr, x, y,
x + layer->w_size, y + layer->h_size, layer->height);
layers_refresh_sub(layer->mgr, old_x, old_y,
old_x + layer->w_size, old_y + layer->h_size, 0, layer->height - 1);
layers_refresh_sub(layer->mgr, x, y,
x + layer->w_size, y + layer->h_size, layer->height, layer->height);
}
}
//图层高度上的移动，即前后显示切换
void layer_switch(LAYER *layer, int height)
{
LAYER_MANAGE *layer_man = layer->layer_man;
int h, old = layer->height; //记录这个图层切换前的高度
/*1.如果指定的高度不合理，过低或者过高都要进行修正，然后对图层高度赋值*/
if(height > layer_man->top + 1)
{
height = layer_man->top + 1;
}
if(height < -1)
{
height = 1;
}
layer->height = height; //把新的要设置的高度赋值给这个图层
/*2.对layers_order进行重新排序*/
if(old > height) //如果把图层向下调的情况
{
if(height >= 0) //依旧处于屏幕内，处于显示状态下
{
/*需要把这个图层切换高度中间夹的图层的高度向上调整，其他高度的图层不受影响*/
for(h = old; h > height; h--)
{
layer_man->layers_order[h] = layer_man->layers_order[h - 1];
layer_man->layers_order[h]->height = h;
}
layer_man->layers_order[height] = layer; //把其他图层高度调好之后，再把自己的高度调整到指定高度位置
//将土层向下调之后，因为没有平移，所以自己的图层就不用在map表中刷新了，直接刷新下调到的高度之上的图层就行了
layer_refresh_map(layer_man, layer->x, layer->y, layer->x + layer->length, layer->y + layer->width, height + 1);
//这里只需要刷新两个移动的高度层之间的图层即可，其他的图层不会受到影响
layer_part_refresh(layer_man, layer->x, layer->y, layer->x + layer->length, layer->y + layer->width, height + 1, old);
}
else //height < 0,不处于显示状态下，即隐藏该图层
{
if(layer_man->top > old) //只有当这个图层处于非最上层的时候才需要调整它上面的图层高度，如果是最上层，其他的图层就不需要调整了
{
for(h = old; h < layer_man->top; h++)
{
layer_man->layers_order[h] = layer_man->layers_order[h + 1];
layer_man->layers_order[h]->height = h;
}
}
layer_man->top--; //图层减少一个，所以最高高度减1
}
layer_refresh_map(layer_man, layer->x, layer->y, layer->x + layer->length, layer->y + layer->width, 0);
layer_part_refresh(layer_man, layer->x, layer->y, layer->x + layer->length, layer->y + layer->width, 0, old - 1);
}
else if(old < height) //如果把图层向上调的情况
{
if(old >= 0)
{
for(h = old; h < height; h++)
{
layer_man->layers_order[h] = layer_man->layers_order[h + 1];
layer_man->layers_order[h]->height = h;
}
layer_man->layers_order[height] = layer;
}
else //有可能就是刚刚创建的图层，height还是0,；或者是像上面的情况，已经被隐藏起来的图层，height是-1
{
for(h = layer_man->top; h >= height; h--)
{
layer_man->layers_order[h + 1] = layer_man->layers_order[h];
layer_man->layers_order[h + 1]->height = h + 1;
}
layer_man->layers_order[height] = layer;
layer_man->top++;
}
layer_refresh_map(layer_man, layer->x, layer->y, layer->x + layer->length, layer->y + layer->width, height);
layer_part_refresh(layer_man, layer->x, layer->y, layer->x + layer->length, layer->y + layer->width, height, height);
}
return ;
}
void
layer_updown(layer_t* layer, int height)
{
layer_mgr_t* layer_mgr = layer->mgr;
int h, old_height = layer->height;
/* correct the wrong height */
if (height > layer_mgr->top + 1)
height = layer_mgr->top + 1;
if (height < -1)
height = -1;
layer->height = height; /* setting the height */
/* rearrangement the layers_addr[] */
if (old_height > height) {
if (height >= 0) {
for (h = old_height; h > height; --h) {
layer_mgr->layers_addr[h] = layer_mgr->layers_addr[h - 1];
layer_mgr->layers_addr[h]->height = h;
}
layer_mgr->layers_addr[height] = layer;
layer_refresh_map(layer_mgr, layer->x, layer->y,
layer->x + layer->w_size, layer->y + layer->h_size, height + 1);
layers_refresh_sub(layer_mgr, layer->x, layer->y,
layer->x + layer->w_size, layer->y + layer->h_size,
height + 1, old_height);
}
else {
if (layer_mgr->top > old_height) {
for (h = old_height; h < layer_mgr->top; ++h) {
layer_mgr->layers_addr[h] = layer_mgr->layers_addr[h + 1];
layer_mgr->layers_addr[h]->height = h;
}
}
--layer_mgr->top;
layer_refresh_map(layer->mgr, layer->x, layer->y,
layer->x + layer->w_size, layer->y + layer->h_size, 0);
layers_refresh_sub(layer_mgr, layer->x, layer->y,
layer->x + layer->w_size, layer->y + layer->h_size,
0, old_height - 1);
}
}
else if (old_height < height) {
if (old_height >= 0) {
for (h = old_height; h < height; ++h) {
layer_mgr->layers_addr[h] = layer_mgr->layers_addr[h + 1];
layer_mgr->layers_addr[h]->height = h;
}
layer_mgr->layers_addr[height] = layer;
}
else {
for (h = layer_mgr->top; h >= height; --h) {
layer_mgr->layers_addr[h + 1] = layer_mgr->layers_addr[h];
layer_mgr->layers_addr[h + 1]->height = h + 1;
}
layer_mgr->layers_addr[height] = layer;
++layer_mgr->top;
}
layer_refresh_map(layer_mgr, layer->x, layer->y,
layer->x + layer->w_size, layer->y + layer->h_size, height);
layers_refresh_sub(layer_mgr, layer->x, layer->y,
layer->x + layer->w_size, layer->y + layer->h_size, height, height);
}
}