LCUI_API int
LCUIScreen_Destroy( void )
{
LCUI_Graph *graph;
LCUI_Sys.state = KILLED;
graph = GraphLayer_GetSelfGraph( LCUI_Sys.root_glayer );
GraphLayer_Free( LCUI_Sys.root_glayer );
DeleteDC( hdc_framebuffer );
ReleaseDC( Win32_GetSelfHWND(), hdc_client );
free( pixel_mem );
return 0;
}
int main()
{
LCUI_Graph graph_buff;
LCUI_GraphLayer *root_glayer;
LCUI_GraphLayer *a_glayer, *b_glayer, *c_glayer;
Graph_Init( &graph_buff );
/* 新建图层 */
root_glayer = GraphLayer_New();
a_glayer = GraphLayer_New();
b_glayer = GraphLayer_New();
c_glayer = GraphLayer_New();
/* 调整图层尺寸 */
GraphLayer_Resize( root_glayer, 320, 240 );
GraphLayer_Resize( a_glayer, 200, 150 );
GraphLayer_Resize( b_glayer, 100, 100 );
GraphLayer_Resize( c_glayer, 80, 80 );
/* 填充颜色 */
Graph_FillColor( &root_glayer->graph, RGB(255,255,255) );
Graph_FillColor( &a_glayer->graph, RGB(255,50,50) );
Graph_FillColor( &b_glayer->graph, RGB(50,255,50) );
Graph_FillColor( &c_glayer->graph, RGB(50,50,255) );
/* 建立父子图层关系 */
GraphLayer_AddChild( b_glayer, c_glayer );
GraphLayer_AddChild( root_glayer, a_glayer );
GraphLayer_AddChild( root_glayer, b_glayer );
/* 调整图层坐标 */
GraphLayer_SetPos( a_glayer, 50, 50 );
GraphLayer_SetPos( b_glayer, 175, 125 );
GraphLayer_SetPos( c_glayer, -15, 30 );
/* 显示图层 */
GraphLayer_Show( root_glayer );
GraphLayer_Show( a_glayer );
GraphLayer_Show( b_glayer );
GraphLayer_Show( c_glayer );
/* 获取根图层指定区域内实际显示的图形 */
GraphLayer_GetGraph( root_glayer, &graph_buff, Rect(0,0,320,240) );
/* 写入至文件 */
Graph_WritePNG( OUTPUT_GRAPHFILE, &graph_buff );
printf( "please see file: %s \n", OUTPUT_GRAPHFILE );
GraphLayer_Free( root_glayer );
return 0;
}
