使用imgfont在LCD显示器显示彩色表情图标 (#77)

* 使用imgfont在LCD显示器显示彩色表情图标

* fix one emotion

---------

Co-authored-by: zk <982145@qq.com>

main/display/lcd_display.cc

@@ -5,6 +5,8 @@
 #include <esp_err.h>
 #include <driver/ledc.h>
 #include <vector>
+#include "emoji_font.h"
+#include "board.h"
 
 #define TAG "LcdDisplay"
 #define LCD_LEDC_CH LEDC_CHANNEL_0
@@ -97,6 +99,7 @@ LcdDisplay::LcdDisplay(esp_lcd_panel_io_handle_t panel_io, esp_lcd_panel_handle_
     offset_y_ = offset_y;
 
     
+    emoji_font_init();
     InitializeBacklight(backlight_pin);
 
     // draw white
@@ -323,3 +326,53 @@ void LcdDisplay::SetChatMessage(const std::string &role, const std::string &cont
     }
     lv_label_set_text(chat_message_label_, content.c_str());
 }
+
+void LcdDisplay::SetEmotion(const std::string &emotion) {
+    if (emotion_label_ == nullptr) {
+        return;
+    }
+
+    struct Emotion {
+        const char* icon;
+        const char* text;
+    };
+
+    static const std::vector<Emotion> emotions = {
+        {"😶", "neutral"},
+        {"😊", "happy"},
+        {"😆", "laughing"},
+        {"😂", "funny"},
+        {"😔", "sad"},
+        {"😠", "angry"},
+        {"😭", "crying"},
+        {"😍", "loving"},
+        {"😳", "embarrassed"},
+        {"😲", "surprised"},
+        {"😨", "shocked"},
+        {"🤔", "thinking"},
+        {"😉", "winking"},
+        {"😎", "cool"},
+        {"😌", "relaxed"},
+        {"😋", "delicious"},
+        {"😘", "kissy"},
+        {"😏", "confident"},
+        {"😴", "sleepy"},
+        {"🤪", "silly"},
+        {"😕", "confused"}
+    };
+
+    DisplayLockGuard lock(this);
+    
+    // 查找匹配的表情
+    auto it = std::find_if(emotions.begin(), emotions.end(),
+        [&emotion](const Emotion& e) { return e.text == emotion; });
+    
+    // 如果找到匹配的表情就显示对应图标，否则显示默认的neutral表情
+    lv_obj_set_style_text_font(emotion_label_, emoji_font, 0);
+    if (it != emotions.end()) {
+        lv_label_set_text(emotion_label_, it->icon);
+    } else {
+        lv_label_set_text(emotion_label_, FONT_AWESOME_EMOJI_NEUTRAL);
+    }
+}
+

main/display/lcd_display.h

@@ -45,6 +45,7 @@ public:
     ~LcdDisplay();
 
     void SetChatMessage(const std::string &role, const std::string &content) override;
+    void SetEmotion(const std::string &emotion) override;
 };
 
 #endif // LCD_DISPLAY_H

main/idf_component.yml

@@ -15,6 +15,7 @@ dependencies:
   espressif/button: "^3.3.1"
   lvgl/lvgl: "~8.4.0"
   esp_lvgl_port: "~2.4.1"
+  zhoukes/emoji_font: "~1.0.0"
   ## Required IDF version
   idf:
     version: ">=5.3"

sdkconfig.defaults

@@ -25,3 +25,4 @@ CONFIG_ESP_WIFI_IRAM_OPT=n
 CONFIG_ESP_WIFI_RX_IRAM_OPT=n
 
 CONFIG_CODEC_I2C_BACKWARD_COMPATIBLE=n
+CONFIG_LV_USE_IMGFONT=y