/**
* 将文本图层中的指定区域的内容绘制至目标图像中
* @param layer 要使用的文本图层
* @param area 文本图层中需要绘制的区域
* @param layer_pos 文本图层在目标图像中的位置
* @param need_replace 绘制时是否需要覆盖像素
* @param graph 目标图像
*/
int TextLayer_DrawToGraph( LCUI_TextLayer *layer, LCUI_Rect area,
LCUI_Pos layer_pos, LCUI_Graph *graph )
{
int x, y, row, col;
LCUI_Pos char_pos;
TextRowData *p_row;
TextCharData *p_char;
LCUI_Size box_size;
box_size.w = layer->max_width;
box_size.h = layer->max_height;
/* 调整区域范围，使之有效 */
LCUIRect_ValidateArea( &area, box_size );
/* 加上Y轴坐标偏移量 */
y = layer->offset_y;
/* 先确定从哪一行开始绘制 */
for( row=0; row<layer->row_list.rows; ++row ) {
p_row = TextRowList_GetRow( &layer->row_list, row );
y += p_row->top_spacing;
y += p_row->max_height;
if( y > area.y ) {
y -= p_row->top_spacing;
y -= p_row->max_height;
break;
}
y += p_row->bottom_spacing;
}
/* 如果没有可绘制的文本行 */
if( row >= layer->row_list.rows ) {
return -1;
}
for( ; row < layer->row_list.rows; ++row ) {
p_row = TextRowList_GetRow( &layer->row_list, row );
/* 根据对齐方式，计算该行的位置 */
switch( layer->text_align ) {
case TEXT_ALIGN_CENTER:
x = (layer->max_width - p_row->max_width)/2;
break;
case TEXT_ALIGN_RIGHT:
x = layer->max_width - p_row->max_width;
break;
case TEXT_ALIGN_LEFT:
default:
x = 0;
break;
}
y += p_row->top_spacing;
x += layer_pos.x;
x += layer->offset_x;
/* 确定从哪个文字开始绘制 */
for( col=0; col<p_row->string_len; ++col ) {
p_char = p_row->string[col];
/* 忽略无字体位图的文字 */
if( !p_char->bitmap ) {
continue;
}
x += p_char->bitmap->advance.x;
if( x > area.x ) {
x -= p_char->bitmap->advance.x;
break;
}
}
/* 若一整行的文本都不在可绘制区域内 */
if( col >= p_row->string_len ) {
y += p_row->max_height;
y += p_row->bottom_spacing;
continue;
}
/* 遍历该行的文字 */
for( ; col<p_row->string_len; ++col ) {
p_char = p_row->string[col];
if( !p_char->bitmap ) {
continue;
}
/* 计算字体位图的绘制坐标 */
char_pos.x = x + p_char->bitmap->left;
char_pos.y = y + p_row->max_height*4/5;
char_pos.y -= p_char->bitmap->top;
x += p_char->bitmap->advance.x;
/* 判断文字使用的前景颜色，再进行绘制 */
if( p_char->style && p_char->style->_fore_color ) {
FontBMP_Mix(
graph, char_pos,
p_char->bitmap,
p_char->style->fore_color );
} else {
FontBMP_Mix(
graph, char_pos,
p_char->bitmap,
layer->text_style.fore_color );
}
/* 如果超过绘制区域则不继续绘制该行文本 */
if( x > area.x + area.width ) {
break;
}
}
y += p_row->max_height;
y += p_row->bottom_spacing;
/* 超出绘制区域范围就不绘制了 */
if( y > area.y + area.height ) {
break;
}
}
return 0;
}
TextLayer_Draw( LCUI_Widget *widget, LCUI_TextLayer *layer, int mode )
/* 将文本图层绘制到目标部件的图层上 */
{
LCUI_Rect area;
LCUI_Pos pos, mix_pos;
LCUI_BOOL draw_all = FALSE, redraw_row;
int i, j, n, rows, size;
LCUI_RGB color;
LCUI_Graph slot, *graph;
LCUI_CharData *p_data;
Text_RowData *p_row;
//clock_t start;
//start = clock();
//_DEBUG_MSG("enter\n");
graph = Widget_GetSelfGraph( widget );
/* 如果文本缓存区内有数据 */
if( layer->need_proc_buff ) {
__TextLayer_Text( layer );
layer->need_proc_buff = FALSE;
}
/* 如果需要滚动图层 */
if( layer->need_scroll_layer ) {
layer->need_scroll_layer = FALSE;
//_DEBUG_MSG("layer->need_scroll_layer\n");
/* 根据之前记录的偏移坐标，刷新文本图层 */
__TextLayer_OldArea_Erase( layer, Widget_GetSelfGraph( widget ) );
draw_all = TRUE;
}
//_DEBUG_MSG("1, use time: %ld\n", clock() - start );
//start = clock();
Graph_Init( &slot );
/* 先处理需要清空的区域 */
n = Queue_GetTotal( &layer->clear_area );
for(i=0; i<n; ++i) {
RectQueue_Get( &area, 0 , &layer->clear_area );
area.x += layer->offset_pos.x;
area.y += layer->offset_pos.y;
Queue_Delete( &layer->clear_area, 0 );
Graph_Quote( &slot, graph, area );
/* 将该区域的alpha通道填充为0 */
Graph_FillAlpha( &slot, 0 );
Widget_InvalidArea( widget, area );
//printf("refresh area: %d,%d,%d,%d\n",
//area.x, area.y, area.width, area.height);
}
//_DEBUG_MSG("2, use time: %ld\n", clock() - start );
//start = clock();
/* 开始绘制文本位图至目标图层上 */
rows = Queue_GetTotal( &layer->rows_data );
for(pos.y=layer->offset_pos.y,i=0; i<rows; ++i) {
redraw_row = FALSE;
p_row = Queue_Get( &layer->rows_data, i );
if( !p_row ) {
continue;
}
n = Queue_GetTotal( &p_row->string );
/* 如果当前字的位图的Y轴跨距不在有效绘制区域内 */
if( pos.y + p_row->max_size.h <= 0 ) {
pos.y += p_row->max_size.h;
continue;
}
for(pos.x=layer->offset_pos.x,j=0; j<n; ++j) {
/* 如果设置了屏蔽符 */
p_data = Queue_Get( &p_row->string, j );
if( !p_data ) {
continue;
}
if( layer->password_char.char_code > 0 ) {
layer->password_char.need_update = p_data->need_update;
p_data = &layer->password_char;
}
/* 如果当前字的位图的X轴跨距不在有效绘制区域内 */
if( pos.x + p_data->bitmap->advance.x <= 0) {
pos.x += p_data->bitmap->advance.x;
continue;
}
/* 获取该字体位图的大致尺寸 */
if( p_data->data ) {
size = p_data->data->pixel_size;
size += 2;
color = p_data->data->fore_color;
} else {
size = layer->default_data.pixel_size + 2;
color = layer->default_data.fore_color;
}
/* 如果字体位图已标记更新，则绘制它 */
if( p_data->need_update || draw_all ) {
p_data->need_update = FALSE;
if( !redraw_row ) {
area.x = pos.x;
area.height = p_row->max_size.h;
redraw_row = TRUE;
}
mix_pos.x = pos.x + p_data->bitmap->left;
mix_pos.y = pos.y + p_row->max_size.h-1;
mix_pos.y -= p_data->bitmap->top;
/* 贴上字体位图 */
FontBMP_Mix( graph, mix_pos,
p_data->bitmap, color, mode );
}
pos.x += p_data->bitmap->advance.x;
if( pos.x > widget->size.w ) {
break;
}
}
if(redraw_row) {
area.y = pos.y;
area.width = pos.x - area.x;
//_DEBUG_MSG("area:%d,%d,%d,%d\n",
//area.x, area.y, area.width, area.height);
Widget_InvalidArea( widget, area );
}
pos.y += p_row->max_size.h;
if( pos.y > widget->size.h ) {
break;
}
}
//_DEBUG_MSG("3, use time: %ld\n", clock() - start );
//_DEBUG_MSG("quit\n");
}
void
TextLayer_Draw( LCUI_Widget *widget, LCUI_TextLayer *layer, int mode )
/* 绘制文本图层 */
{
LCUI_Rect area;
LCUI_Pos pos;
int i, j, n, rows, size;
LCUI_RGB color;
LCUI_Graph slot;
LCUI_CharData *p_data;
Text_RowData *p_row;
Graph_Init( &slot );
n = Queue_Get_Total( &layer->clear_area );
for(i=0; i<n; ++i) {
RectQueue_Get( &area, 0 , &layer->clear_area );
Queue_Delete( &layer->clear_area, 0 );
Quote_Graph( &slot, &widget->graph, area );
/* 将该区域的alpha通道填充为0 */
Graph_Fill_Alpha( &slot, 0 );
Add_Widget_Refresh_Area( widget, area );
}
/* 开始粘贴文本位图 */
rows = Queue_Get_Total( &layer->rows_data );
for(pos.y=0,i=0; i<rows; ++i) {
p_row = Queue_Get( &layer->rows_data, i );
n = Queue_Get_Total( &p_row->string );
pos.x = 0;
//
//if( p_row->pos.y != pos.y ) {
// RectQueue_Add( &layer->clear_area, Rect(pos.x, pos.y,
// p_row->max_size.w, p_row->max_size.h) );
// p_row->pos.y = pos.y;
//}
for(j=0; j<n; ++j) {
p_data = Queue_Get( &p_row->string, j );
if( p_data->data != NULL ) {
//if( p_data->data->pixel_size > 0 ) {
size = p_data->data->pixel_size;
//} else {
// size = layer->default_data.pixel_size;
//}
size += 2;
//if( p_data->data->_fore_color ) {
color = p_data->data->fore_color;
//} else {
// color = layer->default_data.fore_color;
//}
} else {
size = layer->default_data.pixel_size + 2;
color = layer->default_data.fore_color;
}
pos.x += p_data->bitmap.left;
if( p_data->need_update ) {
p_data->need_update = FALSE;
area = Rect(pos.x, pos.y, size, size);
/* 贴上字体位图 */
FontBMP_Mix( &widget->graph, Pos( pos.x,
pos.y + p_row->max_size.h-1 - p_data->bitmap.top),
&p_data->bitmap, color, mode );
Add_Widget_Refresh_Area( widget, area );
}
pos.x += p_data->bitmap.width;
}
pos.y += p_row->max_size.h;
}
}
void
TextLayer_Draw( LCUI_Widget *widget, LCUI_TextLayer *layer, int mode )
/* 将文本图层绘制到目标部件的图层上 */
{
LCUI_Rect area;
LCUI_Pos pos;
BOOL draw_all = FALSE;
int i, j, n, rows, size;
LCUI_RGB color;
LCUI_Graph slot;
LCUI_CharData *p_data;
Text_RowData *p_row;
//clock_t start;
//start = clock();
//printf("TextLayer_Draw(): enter\n");
/* 如果文本缓存区内有数据 */
if( layer->need_proc_buff ) {
__TextLayer_Text( layer );
layer->need_proc_buff = FALSE;
}
/* 如果需要滚动图层 */
if( layer->need_scroll_layer ) {
/* 根据之前记录的偏移坐标，刷新文本图层 */
__TextLayer_OldArea_Erase( widget, layer );
draw_all = TRUE;
layer->need_scroll_layer = FALSE;
}
//nobuff_printf("1, use time: %ld\n", clock() - start );
//start = clock();
Graph_Init( &slot );
/* 先处理需要清空的区域 */
n = Queue_Get_Total( &layer->clear_area );
for(i=0; i<n; ++i) {
RectQueue_Get( &area, 0 , &layer->clear_area );
area.x += layer->offset_pos.x;
area.y += layer->offset_pos.y;
Queue_Delete( &layer->clear_area, 0 );
Quote_Graph( &slot, &widget->graph, area );
/* 将该区域的alpha通道填充为0 */
Graph_Fill_Alpha( &slot, 0 );
Add_Widget_Refresh_Area( widget, area );
//printf("refresh area: %d,%d,%d,%d\n",
//area.x, area.y, area.width, area.height);
}
//nobuff_printf("2, use time: %ld\n", clock() - start );
//start = clock();
/* 开始绘制文本位图至目标图层上 */
rows = Queue_Get_Total( &layer->rows_data );
for(pos.y=layer->offset_pos.y,i=0; i<rows; ++i) {
p_row = Queue_Get( &layer->rows_data, i );
if( !p_row ) {
continue;
}
n = Queue_Get_Total( &p_row->string );
/* 如果当前字的位图的Y轴跨距不在有效绘制区域内 */
if( pos.y + p_row->max_size.h <= 0 ) {
pos.y += p_row->max_size.h;
continue;
}
for(pos.x=layer->offset_pos.x,j=0; j<n; ++j) {
/* 如果设置了屏蔽符 */
p_data = Queue_Get( &p_row->string, j );
if( !p_data ) {
continue;
}
if( layer->password_char.char_code > 0 ) {
layer->password_char.need_update = p_data->need_update;
p_data = &layer->password_char;
}
/* 如果当前字的位图的X轴跨距不在有效绘制区域内 */
if( pos.x + p_data->bitmap.advance.x <= 0) {
pos.x += p_data->bitmap.advance.x;
continue;
}
/* 获取该字体位图的大致尺寸 */
if( p_data->data ) {
size = p_data->data->pixel_size;
size += 2;
color = p_data->data->fore_color;
} else {
size = layer->default_data.pixel_size + 2;
color = layer->default_data.fore_color;
}
/* 如果字体位图已标记更新，则绘制它 */
if( p_data->need_update || draw_all ) {
//nobuff_printf("get, pos: %d, char_ptr: %p, char: %c, draw\n",
// i, p_data, p_data->char_code );
p_data->need_update = FALSE;
/* 计算区域范围 */
area.x = pos.x + p_data->bitmap.left;
area.y = pos.y + p_row->max_size.h-1;
area.y -= p_data->bitmap.top;
area.height = p_data->bitmap.rows;
area.width = p_data->bitmap.width;
/* 贴上字体位图 */
FontBMP_Mix( &widget->graph, Pos(area.x, area.y),
&p_data->bitmap, color, mode );
/* 记录该区域，以刷新显示到屏幕上 */
Add_Widget_Refresh_Area( widget, area );
}
pos.x += p_data->bitmap.advance.x;
if( pos.x > widget->size.w ) {
break;
}
}
pos.y += p_row->max_size.h;
if( pos.y > widget->size.h ) {
break;
}
}
//nobuff_printf("3, use time: %ld\n", clock() - start );
//printf("TextLayer_Draw(): quit\n");
}
