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;
}
/*************************** 基本的处理 *********************************/
void
TextLayer_Init( LCUI_TextLayer *layer )
/* 初始化文本图层相关数据 */
{
layer->using_code_mode = IS_FALSE;
layer->using_style_tags = IS_FALSE;
layer->enable_word_wrap = IS_FALSE;
layer->enable_multiline = IS_FALSE;
layer->have_select = IS_FALSE;
layer->start = 0;
layer->end = 0;
Queue_Init( &layer->color_keyword, sizeof(Special_KeyWord), Destroy_Special_KeyWord );
/* 队列中使用链表储存这些数据 */
Queue_Init( &layer->text_source_data, sizeof(LCUI_CharData), Destroy_CharData );
Queue_Set_DataMode( &layer->text_source_data, QUEUE_DATA_MODE_LINKED_LIST );
Queue_Init( &layer->rows_data, sizeof(Text_RowData), Destroy_Text_RowData );
Queue_Init( &layer->tag_buff, sizeof(tag_style_data), destroy_tag_style_data );
Queue_Init( &layer->style_data, sizeof(LCUI_TextStyle), NULL );
RectQueue_Init( &layer->clear_area );
layer->default_data.pixel_size = 12;
layer->current_src_pos = 0;
layer->current_des_pos = Pos(0,0);
layer->max_text_len = 5000;
TextStyle_Init ( &layer->default_data );
//TextLayer_Text_Add_NewRow ( layer );/* 添加新行 */
}
/** 获取当前的样式数据 */
LCUI_API LCUI_TextStyle* StyleTag_GetCurrentStyle( LCUI_Queue *tags )
{
PX_PT_t pxpt;
StyleTag_Data *tag_data;
LCUI_TextStyle *style_data;
int i, total, equal = 0, flags[MAX_TAG_NUM];
style_data = malloc (sizeof(LCUI_TextStyle));
TextStyle_Init( style_data );
memset( flags, 0, sizeof(flags) );
total = Queue_GetTotal( tags );
if(total <= 0) {
free( style_data );
return NULL;
}
/* 从样式数据队列中获取字体样式数据 */
for(equal=0,i=total-1; i>=0; --i) {
tag_data = Queue_Get( tags, i );
DEBUG_MSG("tag id: %d\n", tag_data->tag);
switch( tag_data->tag ) {
case TAG_ID_COLOR:
if( flags[0] != 0 ) {
break;
}
style_data->_fore_color = TRUE;
style_data->fore_color = *((LCUI_RGB*)tag_data->style);
DEBUG_MSG("color: %d,%d,%d\n", data->fore_color.red,
data->fore_color.green, data->fore_color.blue);
flags[0] = 1;
++equal;
break;
case TAG_ID_SIZE:
if( flags[1] != 0 ) {
break;
}
pxpt = *((PX_PT_t*)tag_data->style);
style_data->_pixel_size = TRUE;
style_data->pixel_size = pxpt.px;
flags[1] = 1;
++equal;
break;
default: break;
}
if(equal == MAX_TAG_NUM) {
break;
}
}
if( equal == 0 ) {
free( style_data );
return NULL;
}
return style_data;
}
static LCUI_TextStyle *
TextLayer_Get_Current_TextStyle ( LCUI_TextLayer *layer )
/* 获取当前的字体样式数据 */
{
int i, total, equal = 0,flags[MAX_TAG_NUM];
LCUI_TextStyle *data;
tag_style_data *p;
data = (LCUI_TextStyle*) malloc (sizeof(LCUI_TextStyle));
TextStyle_Init( data );
memset( flags, 0, sizeof(flags) );
total = Queue_Get_Total( &layer->tag_buff );
if(total <= 0) {
free( data );
return NULL;
}
/* 从样式数据队列中获取字体样式数据 */
for(equal=0,i=total-1; i>=0; --i) {
p = Queue_Get( &layer->tag_buff, i );
DEBUG_MSG("tag id: %d\n", p->tag);
switch( p->tag ) {
case TAG_ID_COLOR:
if( flags[0] == 0 ) {
data->_fore_color = TRUE;
data->fore_color = *((LCUI_RGB*)p->style);
DEBUG_MSG("color: %d,%d,%d\n", data->fore_color.red,
data->fore_color.green, data->fore_color.blue);
flags[0] = 1;
++equal;
}
break;
case TAG_ID_SIZE:
if( flags[1] == 0 ) {
PX_PT_t pxpt;
pxpt = *((PX_PT_t*)p->style);
data->_pixel_size = TRUE;
data->pixel_size = pxpt.px;
flags[1] = 1;
++equal;
}
break;
default: break;
}
if(equal == MAX_TAG_NUM) {
break;
}
}
if( equal == 0 ) {
free( data );
return NULL;
}
return data;
}
/** 获取当前的文本样式 */
LCUI_TextStyle* StyleTagStack_GetTextStyle( LCUI_StyleTagStack *tags )
{
LCUI_StyleTagData *tag_data;
LCUI_TextStyle *style_data;
int i, total, equal = 0, flags[MAX_TAG_NUM];
style_data = (LCUI_TextStyle*)malloc( sizeof(LCUI_TextStyle) );
TextStyle_Init( style_data );
memset( flags, 0, sizeof(flags) );
total = LinkedList_GetTotal( tags );
if(total <= 0) {
free( style_data );
return NULL;
}
/* 根据已经记录的各种样式，生成当前应有的文本样式 */
for(equal=0,i=total-1; i>=0; --i) {
LinkedList_Goto( tags, i );
tag_data = (LCUI_StyleTagData*)LinkedList_Get( tags );
DEBUG_MSG("tag id: %d\n", tag_data->tag_id);
switch( tag_data->tag_id ) {
case TAG_ID_COLOR:
if( flags[0] != 0 ) {
break;
}
style_data->_fore_color = TRUE;
style_data->fore_color = tag_data->style.color;
DEBUG_MSG("color: %d,%d,%d\n", data->fore_color.red,
data->fore_color.green, data->fore_color.blue);
flags[0] = 1;
++equal;
break;
case TAG_ID_SIZE:
if( flags[1] != 0 ) {
break;
}
style_data->_pixel_size = TRUE;
style_data->pixel_size = tag_data->style.size.px;
flags[1] = 1;
++equal;
break;
default: break;
}
if(equal == MAX_TAG_NUM) {
break;
}
}
if( equal == 0 ) {
free( style_data );
return NULL;
}
return style_data;
}
void
TextLayer_Init( LCUI_TextLayer *layer )
/* 初始化文本图层相关数据 */
{
layer->read_only = FALSE;
layer->using_code_mode = FALSE;
layer->using_style_tags = FALSE;
layer->enable_word_wrap = FALSE;
layer->enable_multiline = FALSE;
layer->need_proc_buff = FALSE;
layer->need_scroll_layer = FALSE;
layer->have_select = FALSE;
layer->start = 0;
layer->end = 0;
layer->offset_pos = Pos(0,0);
layer->old_offset_pos = Pos(0,0);
Queue_Init( &layer->color_keyword, sizeof(Special_KeyWord), Destroy_Special_KeyWord );
/* 队列中使用链表储存这些数据 */
Queue_Init( &layer->text_source_data, sizeof(LCUI_CharData), Destroy_CharData );
Queue_Set_DataMode( &layer->text_source_data, QUEUE_DATA_MODE_LINKED_LIST );
Queue_Init( &layer->rows_data, sizeof(Text_RowData), Destroy_Text_RowData );
Queue_Init( &layer->tag_buff, sizeof(tag_style_data), destroy_tag_style_data );
Queue_Init( &layer->style_data, sizeof(LCUI_TextStyle), NULL );
RectQueue_Init( &layer->clear_area );
/* 初始化屏蔽符的数据 */
layer->password_char.display = TRUE;
layer->password_char.need_update = FALSE;
layer->password_char.data = NULL;
layer->password_char.char_code = 0;
FontBMP_Init( &layer->password_char.bitmap );
layer->default_data.pixel_size = 12;
layer->current_src_pos = 0;
layer->current_des_pos = Pos(0,0);
layer->max_text_len = 5000;
TextStyle_Init ( &layer->default_data );
String_Init( &layer->text_buff );
//TextLayer_Text_Add_NewRow ( layer );/* 添加新行 */
}
int test_string_render( void )
{
int ret;
LCUI_Graph img;
LCUI_Pos pos = {0, 80};
LCUI_Rect area = {0, 0, 320, 240};
LCUI_TextLayer txt = TextLayer_New();
LCUI_TextStyleRec txtstyle;
/* 初始化字体处理功能 */
LCUI_InitFontLibrary();
/* 创建一个图像，并使用灰色填充 */
Graph_Init( &img );
Graph_Create( &img, 320, 240 );
Graph_FillRect( &img, RGB( 240, 240, 240 ), NULL, FALSE );
/* 设置文本的字体大小 */
TextStyle_Init( &txtstyle );
txtstyle.pixel_size = 24;
txtstyle.has_pixel_size = TRUE;
/* 设置文本图层的固定尺寸、文本样式、文本内容、对齐方式 */
TextLayer_SetFixedSize( txt, 320, 240 );
TextLayer_SetTextStyle( txt, &txtstyle );
TextLayer_SetTextAlign( txt, SV_CENTER );
TextLayer_SetTextW( txt, L"这是一段测试文本\nHello, World!", NULL );
TextLayer_Update( txt, NULL );
/* 将文本图层绘制到图像中，然后将图像写入至 png 文件中 */
TextLayer_DrawToGraph( txt, area, pos, &img );
ret = LCUI_WritePNGFile( "test_string_render.png", &img );
Graph_Free( &img );
/* 释放字体处理功能相关资源 */
LCUI_FreeFontLibrary();
return ret;
}
/** 新建文本图层 */
LCUI_TextLayer TextLayer_New(void)
{
LCUI_TextLayer layer;
layer = malloc( sizeof( LCUI_TextLayerRec ) );
layer->width = 0;
layer->length = 0;
layer->offset_x = 0;
layer->offset_y = 0;
layer->insert_x = 0;
layer->insert_y = 0;
layer->max_width = 0;
layer->max_height = 0;
layer->fixed_width = 0;
layer->fixed_height = 0;
layer->new_offset_x = 0;
layer->new_offset_y = 0;
layer->rowlist.length = 0;
layer->rowlist.rows = NULL;
layer->text_align = SV_LEFT;
layer->is_using_buffer = FALSE;
layer->is_autowrap_mode = FALSE;
layer->is_mulitiline_mode = FALSE;
layer->is_using_style_tags = FALSE;
layer->line_height.scale = 1.428f;
layer->line_height.type = SVT_SCALE;
TextStyle_Init( &layer->text_style );
LinkedList_Init( &layer->style_cache );
layer->task.typeset_start_row = 0;
layer->task.update_typeset = 0;
layer->task.update_bitmap = 0;
layer->task.redraw_all = 0;
Graph_Init( &layer->graph );
LinkedList_Init( &layer->dirty_rect );
layer->graph.color_type = COLOR_TYPE_ARGB;
TextRowList_InsertNewRow( &layer->rowlist, 0 );
return layer;
}
static void
TextBox_Init( LCUI_Widget *widget )
/* 初始化文本框相关数据 */
{
LCUI_TextBox *textbox;
widget->valid_state = WIDGET_STATE_ACTIVE | WIDGET_STATE_OVERLAY;
widget->valid_state |= (WIDGET_STATE_NORMAL | WIDGET_STATE_DISABLE);
textbox = WidgetPrivData_New(widget, sizeof(LCUI_TextBox));
textbox->text = Widget_New( "label" );
textbox->cursor = Widget_New( NULL );
textbox->scrollbar[0] = Widget_New( "scrollbar" );
textbox->scrollbar[1] = Widget_New( "scrollbar" );
/* 不可获得焦点 */
textbox->text->focus = FALSE;
textbox->cursor->focus = FALSE;
textbox->scrollbar[0]->focus = FALSE;
textbox->scrollbar[1]->focus = FALSE;
textbox->limit_mode = 0;
textbox->block_size = 256;
textbox->show_placeholder = FALSE;
LCUIWString_Init( &textbox->placeholder );
TextStyle_Init( &textbox->placeholder_style );
TextStyle_FontColor( &textbox->placeholder_style, RGB(100,100,100) );
Label_AutoSize( textbox->text, FALSE, 0 );
Widget_SetSize( textbox->text, "100%", "100%" );
/* 添加至相应的容器 */
Widget_Container_Add( textbox->text, textbox->cursor );
Widget_Container_Add( widget, textbox->text );
Widget_Container_Add( widget, textbox->scrollbar[0] );
Widget_Container_Add( widget, textbox->scrollbar[1] );
/* 设置滚动条的尺寸 */
Widget_SetSize( textbox->scrollbar[0], "10px", NULL );
Widget_SetSize( textbox->scrollbar[1], NULL, "10px" );
Widget_SetAlign( textbox->scrollbar[0], ALIGN_TOP_RIGHT, Pos(0,0) );
Widget_SetAlign( textbox->scrollbar[1], ALIGN_BOTTOM_LEFT, Pos(0,0) );
/* 滚动条设为横向 */
ScrollBar_SetDirection( textbox->scrollbar[1], 1 );
/* 将回调函数与滚动条连接 */
ScrollBar_Connect( textbox->scrollbar[0], TextBox_TextLayer_VertScroll, widget );
ScrollBar_Connect( textbox->scrollbar[1], TextBox_HoriScroll_TextLayer, widget );
Widget_Show( textbox->text );
Queue_Init( &textbox->text_block_buff, sizeof(LCUI_TextBlock), destroy_textblock );
TextLayer_UsingStyleTags( Label_GetTextLayer(textbox->text), FALSE );
Widget_SetPadding( widget, Padding(2,2,2,2) );
Widget_SetBackgroundColor( textbox->cursor, RGB(0,0,0) );
Widget_SetBackgroundTransparent( textbox->cursor, FALSE );
Widget_SetBackgroundTransparent( widget, FALSE );
Widget_Resize( textbox->cursor, Size(1, 14) );
/* 设置可点击区域的alpha值要满足的条件 */
Set_Widget_ClickableAlpha( textbox->cursor, 0, 1 );
Set_Widget_ClickableAlpha( textbox->text, 0, 1 );
/* 设定定时器，每1秒闪烁一次 */
if( __timer_id == -1 ) {
__timer_id = set_timer( 500, blink_cursor, TRUE );
}
Widget_Event_Connect( widget, EVENT_DRAG, TextBox_TextLayer_Click );
/* 关联 FOCUS_OUT 和 FOCUS_IN 事件 */
Widget_Event_Connect( widget, EVENT_FOCUSOUT, _putout_textbox_cursor );
Widget_Event_Connect( widget, EVENT_FOCUSIN, _putin_textbox_cursor );
/* 关联按键输入事件 */
Widget_Event_Connect( widget, EVENT_KEYBOARD, TextBox_Input );
/* 默认不启用多行文本模式 */
TextBox_Multiline( widget, FALSE );
}
/** 初始化window部件相关数据 */
static void Window_OnInit( LCUI_Widget *window )
{
LCUI_Window *wnd;
LCUI_Graph btn_bg;
LCUI_TextStyle style;
LCUI_Border border;
wnd = Widget_NewPrivateData( window, LCUI_Window );
wnd->theme_color = COLOR_EMERALD;
wnd->theme_color.a = 128;
wnd->titlebar = Widget_New(NULL);
wnd->client_area = Widget_New(NULL);
wnd->btn_close = Widget_New(WIDGET_CLOSE_BUTTON);
wnd->icon = Widget_New(NULL);
wnd->text = Label_New();
wnd->titlebar->focus = FALSE;
wnd->icon->focus = FALSE;
wnd->text->focus = FALSE;
Widget_SetFocus( wnd->client_area );
Widget_SetClickable( wnd->icon, FALSE );
Widget_SetClickable( wnd->text, FALSE );
Widget_SetClickable( wnd->titlebar, FALSE );
Widget_SetClickable( wnd->client_area, FALSE );
Graph_Init( &btn_bg );
/* 载入按钮背景 */
LoadCloseButtonIMG( &btn_bg );
/* close按钮显示在左上角 */
Widget_SetAlign( wnd->btn_close, ALIGN_TOP_RIGHT, Pos(0,0) );
Widget_Resize( wnd->btn_close, Size(30, 30) );
Widget_SetBackgroundImage( wnd->btn_close, &btn_bg );
Widget_SetBackgroundLayout( wnd->btn_close, LAYOUT_CENTER );
Widget_SetBackgroundTransparent( wnd->icon, TRUE );
Widget_SetBackgroundTransparent( wnd->titlebar, TRUE );
Widget_SetBackgroundTransparent( wnd->client_area, FALSE );
Widget_SetBackgroundTransparent( window, FALSE );
Widget_SetBackgroundColor( window, RGB(255,255,255) );
Widget_SetBackgroundLayout( wnd->icon, LAYOUT_ZOOM );
Widget_SetDock( wnd->titlebar, DOCK_TYPE_TOP );
Widget_SetDock( wnd->client_area, DOCK_TYPE_BOTTOM );
Widget_SetPadding( window, Padding(TOP_PANDDING,1,1,1) );
Widget_SetPadding( wnd->client_area, Padding(1,1,1,1) );
Widget_SetSize( wnd->titlebar, "100%", "35px" );
Border_Init( &border );
border.top_width = 0;
border.bottom_width = 1;
border.left_width = 1;
border.right_width = 1;
border.bottom_color = RGB(200,200,200);
border.left_color = RGB(255,255,255);
border.right_color = RGB(255,255,255);
Widget_SetBorder( wnd->titlebar, border );
TextStyle_Init( &style );
TextStyle_FontSize( &style, 18 );
Label_SetTextStyle( wnd->text, style );
/* 放入至容器 */
Widget_Container_Add( wnd->titlebar, wnd->icon );
Widget_Container_Add( wnd->titlebar, wnd->text );
Widget_Container_Add( wnd->titlebar, wnd->btn_close );
Widget_Container_Add( window, wnd->titlebar );
Widget_Container_Add( window, wnd->client_area );
Widget_Resize( window, Size(100, 50) );
Widget_Resize( wnd->icon, Size(24,24) );
Widget_SetAlign( window, ALIGN_MIDDLE_CENTER, Pos(0,0) );
Widget_SetAlign( wnd->icon, ALIGN_MIDDLE_LEFT, Pos(6,0) );
Widget_SetAlign( wnd->text, ALIGN_MIDDLE_LEFT, Pos(6,0) );
/* 关联拖动事件，让鼠标能够拖动标题栏并使窗口移动 */
Widget_ConnectEvent( window, EVENT_DRAG, Window_ExecMove );
/*
* 由于需要在窗口获得/失去焦点时进行相关处理，因此需要将回调函数 与部件
* 的FOCUS_IN和FOCUS_OUT事件 进行关联
* */
Widget_ConnectEvent( window, EVENT_FOCUSOUT, Window_OnFocusOut );
Widget_ConnectEvent( window, EVENT_FOCUSIN, Window_OnFocusIn );
Widget_Show( wnd->btn_close );
Widget_Show( wnd->icon );
Widget_Show( wnd->text );
Widget_Show( wnd->titlebar );
Widget_Show( wnd->client_area );
}
