diff --git a/examples/gui/demo_view_ttf.c b/examples/gui/demo_view_ttf.c new file mode 100644 index 0000000000000000000000000000000000000000..23d74447d104e9401650ad632e1812046d5ce4c9 --- /dev/null +++ b/examples/gui/demo_view_ttf.c @@ -0,0 +1,98 @@ +/* + * 程序清单：TTF字体显示演示 + * + * 这个例子会在创建出的view上进行TTF字体显示的演示 + */ + +#include "demo_view.h" +#include +#include +#include + +#ifdef RTGUI_USING_TTF +static rtgui_font_t *font_16, *font_24, *font_36, *font_48; + +/* + * view的事件处理函数 + */ +rt_bool_t ttf_event_handler(rtgui_widget_t* widget, rtgui_event_t *event) +{ + /* 仅对PAINT事件进行处理 */ + if (event->type == RTGUI_EVENT_PAINT) + { + struct rtgui_dc* dc; + rtgui_rect_t rect; + rtgui_font_t* saved; + + /* + * 因为用的是demo view，上面本身有一部分控件，所以在绘图时先要让demo view + * 先绘图 + */ + rtgui_view_event_handler(widget, event); + + /************************************************************************/ + /* 下面的是DC的操作 */ + /************************************************************************/ + + /* 获得控件所属的DC */ + dc = rtgui_dc_begin_drawing(widget); + /* 如果不能正常获得DC，返回（如果控件或父控件是隐藏状态，DC是获取不成功的） */ + if (dc == RT_NULL) + return RT_FALSE; + + /* 获得demo view允许绘图的区域 */ + demo_view_get_rect(RTGUI_VIEW(widget), &rect); + + saved = RTGUI_WIDGET_FONT(widget); + + RTGUI_WIDGET_FONT(widget) = font_16; + rtgui_dc_draw_text(dc, "ABCD", &rect); + rect.y1 += 18; + + RTGUI_WIDGET_FONT(widget) = font_24; + rtgui_dc_draw_text(dc, "ABCD", &rect); + rect.y1 += 26; + + RTGUI_WIDGET_FONT(widget) = font_36; + rtgui_dc_draw_text(dc, "ABCD", &rect); + rect.y1 += 38; + + RTGUI_WIDGET_FONT(widget) = font_48; + rtgui_dc_draw_text(dc, "ABCD", &rect); + + RTGUI_WIDGET_FONT(widget) = saved; + /* 绘图完成 */ + rtgui_dc_end_drawing(dc); + } + else + { + /* 其他事件，调用默认的事件处理函数 */ + return rtgui_view_event_handler(widget, event); + } + + return RT_FALSE; +} + +extern rtgui_font_t* rtgui_freetype_font_create(const char* filename, int bold, int italic, rt_size_t size); + +/* 创建用于TTF字体显示演示用的视图 */ +rtgui_view_t *demo_view_ttf(rtgui_workbench_t* workbench) +{ + rtgui_view_t *view; + + font_16 = rtgui_freetype_font_create("d:/arial.ttf", 0, 0, 16); + font_24 = rtgui_freetype_font_create("d:/arial.ttf", 0, 0, 24); + font_36 = rtgui_freetype_font_create("d:/arial.ttf", 0, 0, 36); + font_48 = rtgui_freetype_font_create("d:/HARNGTON.TTF", 0, 0, 72); + + view = demo_view(workbench, "TTF 演示"); + if (view != RT_NULL) + { + // RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(view)) = white; + /* 设置成自己的事件处理函数 */ + rtgui_widget_set_event_handler(RTGUI_WIDGET(view), ttf_event_handler); + } + + return view; +} +#endif diff --git a/examples/gui/demo_workbench.c b/examples/gui/demo_workbench.c index 98da27671986cc84e79630750a4960480300e3f0..9782efb987491c29077974978856bf0d02d3cedb 100644 --- a/examples/gui/demo_workbench.c +++ b/examples/gui/demo_workbench.c @@ -52,6 +52,9 @@ static void workbench_entry(void* parameter) /* 鍒濆鍖栧悇涓緥瀛愮殑瑙嗗浘 */ demo_view_dc(workbench); +#ifdef RTGUI_USING_TTF + demo_view_ttf(workbench); +#endif demo_view_dc_buffer(workbench); demo_view_animation(workbench); demo_view_buffer_animation(workbench); diff --git a/examples/gui/demo_xml.c b/examples/gui/demo_xml.c new file mode 100644 index 0000000000000000000000000000000000000000..11a448103b13b4d4053b88e423f82222fc441c34 --- /dev/null +++ b/examples/gui/demo_xml.c @@ -0,0 +1,26 @@ +#include + +#include + +static int xml_event_handler(rt_uint8_t event, const char* text, rt_size_t len, void* user) +{ + rt_kprintf("%s: %s\n", rtgui_xml_event_str(event), text); + return 1; +} + +const char xml_str[] = "ToveJaniReminderDon't forget me this weekend!"; +void demo_xml() +{ + rtgui_xml_t *xml; + + xml = rtgui_xml_create(512, xml_event_handler, RT_NULL); + if (xml != RT_NULL) + { + rtgui_xml_parse(xml, xml_str, sizeof(xml_str)); + rtgui_xml_destroy(xml); + } +} +#ifdef RT_USING_FINSH +#include +FINSH_FUNCTION_EXPORT(demo_xml, show the demo of xml parser); +#endif