void TextLayer_Init( LCUI_TextLayer *layer )
{
layer->max_width = 0;
layer->max_height = 0;
layer->offset_x = 0;
layer->offset_y = 0;
layer->new_offset_x = 0;
layer->new_offset_y = 0;
layer->insert_x = 0;
layer->insert_y = 0;
layer->is_mulitiline_mode = FALSE;
layer->is_autowrap_mode = FALSE;
layer->is_using_style_tags = FALSE;
layer->is_using_buffer = TRUE;
layer->text_align = TEXT_ALIGN_LEFT;
layer->row_list.max_rows = 0;
layer->row_list.rows = 0;
layer->row_list.rowdata = NULL;
TextStyle_Init( &layer->text_style );
TaskData_Init( &layer->task );
DirtyRectList_Init( &layer->dirty_rect );
Graph_Init( &layer->graph );
TextRowList_InsertNewRow( &layer->row_list, 0 );
layer->graph.color_type = COLOR_TYPE_ARGB;
}
/** 清除已记录的无效矩形 */
void TextLayer_ClearInvalidRect( LCUI_TextLayer *layer )
{
int n;
LCUI_Rect *rect_ptr;
LCUI_Graph invalid_graph;
if( !layer->is_using_buffer ) {
DirtyRectList_Destroy( &layer->dirty_rect );
DirtyRectList_Init( &layer->dirty_rect );
return;
}
n = LinkedList_GetTotal( &layer->dirty_rect );
LinkedList_Goto( &layer->dirty_rect, 0 );
while(n--) {
rect_ptr = (LCUI_Rect*)LinkedList_Get( &layer->dirty_rect );
Graph_Quote( &invalid_graph, &layer->graph, rect_ptr );
Graph_FillAlpha( &invalid_graph, 0 );
LinkedList_ToNext( &layer->dirty_rect );
}
DirtyRectList_Destroy( &layer->dirty_rect );
DirtyRectList_Init( &layer->dirty_rect );
}
/** 更新各种图形元素的显示 */
static void LCUIDisplay_Update(void)
{
int i, n, j, m;
LCUI_Rect *p_rect;
SurfaceRecord *p_sr;
LCUI_DirtyRectList rlist;
LCUI_PaintContext paint;
DirtyRectList_Init( &rlist );
n = LinkedList_GetTotal( &display.surfaces );
/* 遍历当前的 surface 记录列表 */
for( i=0; i<n; ++i ) {
LinkedList_Goto( &display.surfaces, i );
p_sr = (SurfaceRecord*)
LinkedList_Get( &display.surfaces );
if( !p_sr->widget || !p_sr->surface
|| !Surface_IsReady(p_sr->surface) ) {
continue;
}
/* 更新表面 */
Surface_Update( p_sr->surface );
/* 收集无效区域记录 */
Widget_ProcInvalidArea( p_sr->widget, &rlist );
m = LinkedList_GetTotal( &rlist );
DEBUG_MSG("proc invalid area, m = %d\n", m);
LinkedList_Goto( &rlist, 0 );
/* 在 surface 上逐个重绘无效区域 */
for( j=0; j<m; ++j ) {
p_rect = (LCUI_Rect*)LinkedList_Get( &rlist );
paint = Surface_BeginPaint( p_sr->surface, p_rect );
DEBUG_MSG( "[%s]: render rect: (%d,%d,%d,%d), %d\n", p_sr->widget->type, paint->rect.left, paint->rect.top, paint->rect.w, paint->rect.h, j );
Widget_Render( p_sr->widget, paint );
Surface_EndPaint( p_sr->surface, paint );
LinkedList_Delete( &rlist );
}
if( m > 0 ) {
Surface_Present( p_sr->surface );
}
}
LinkedList_Destroy( &rlist );
}
/** 构造函数 */
static void $(Init)( LCUI_Widget widget )
{
widget->style.z_index = 0;
widget->style.x.type = SVT_NONE;
widget->style.y.type = SVT_NONE;
widget->style.width.type = SVT_AUTO;
widget->style.height.type = SVT_AUTO;
widget->style.box_sizing = CONTENT_BOX;
widget->style.opacity = 1.0;
widget->style.margin.top.px = 0;
widget->style.margin.right.px = 0;
widget->style.margin.bottom.px = 0;
widget->style.margin.left.px = 0;
widget->style.margin.top.type = SVT_PX;
widget->style.margin.right.type = SVT_PX;
widget->style.margin.bottom.type = SVT_PX;
widget->style.margin.left.type = SVT_PX;
widget->style.padding.top.px = 0;
widget->style.padding.right.px = 0;
widget->style.padding.bottom.px = 0;
widget->style.padding.left.px = 0;
widget->style.padding.top.type = SVT_PX;
widget->style.padding.right.type = SVT_PX;
widget->style.padding.bottom.type = SVT_PX;
widget->style.padding.left.type = SVT_PX;
widget->event = LCUIEventBox_Create();
memset( &widget->base, 0, sizeof(widget->base));
widget->parent = NULL;
widget->title = NULL;
widget->event = LCUIEventBox_Create();
Widget_InitTaskBox( widget );
Background_Init( &widget->style.background );
BoxShadow_Init( &widget->style.shadow );
Border_Init( &widget->style.border );
LinkedList_Init( &widget->children, sizeof(struct LCUI_WidgetFull) );
LinkedList_Init( &widget->children_show, 0 );
LinkedList_SetDestroyFunc( &widget->children, $(OnDestroy) );
LinkedList_SetDataNeedFree( &widget->children, TRUE );
LinkedList_SetDataNeedFree( &widget->children_show, FALSE );
DirtyRectList_Init( &widget->dirty_rects );
Graph_Init( &widget->graph );
}