增加复杂公式convert base64功能

.vscode/settings.json

@@ -102,7 +102,9 @@
         "qtimer": "cpp",
         "qstring": "cpp",
         "qabstracttextdocumentlayout": "cpp",
-        "qframe": "cpp"
+        "qframe": "cpp",
+        "qpixmap": "cpp",
+        "qpainter": "cpp"
     },
     "editor.gotoLocation.alternativeDeclarationCommand": "editor.action.revealDefinition",
     "editor.gotoLocation.alternativeDefinitionCommand": "editor.action.revealDefinition",

3rdparty/MicroTeX

@@ -1 +1 @@
-Subproject commit 086f4eb740270b28bd0c61a0a359aea9300d61ae
+Subproject commit 0e3707f6dafebb121d98b53c64364d16fefe481d

CMakeLists.txt

@@ -62,13 +62,13 @@ include_directories(${JSON}/include)
 find_package(CURL REQUIRED)
 
 #cmark-gfm
-add_subdirectory(${PROJECT_SOURCE_DIR}/3rdparty/cmark-gfm)
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/cmark-gfm/src)
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/cmark-gfm/extensions)
+#add_subdirectory(${PROJECT_SOURCE_DIR}/3rdparty/cmark-gfm)
+#include_directories(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/cmark-gfm/src)
+#include_directories(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/cmark-gfm/extensions)
 
 #MicroTeX
 add_subdirectory(${PROJECT_SOURCE_DIR}/3rdparty/MicroTeX)
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/MicroTeX/lib)
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/MicroTeX/src)
 
 #查找QT模块
 FIND_PACKAGE(Qt6 REQUIRED Core Gui Widgets)
@@ -148,9 +148,9 @@ target_link_libraries(
     Qt6::Gui 
     Qt6::Widgets 
     CURL::libcurl 
-    libcmark-gfm-extensions_static
-    libcmark-gfm_static
-    microtex
+    #libcmark-gfm-extensions_static
+    #libcmark-gfm_static
+    LaTeX 
 )
 
 

src/ctai_history_textedit.cpp

@@ -91,6 +91,7 @@ void ctai_history_textedit::init_layout(msg_type msg_type_mode)
     // 5. 历史信息QTextEdit
     historyLayout = new QVBoxLayout();
     m_msg_history = new QTextEdit();
+    m_math_convert=new ctai_math_convert();
     m_msg_history->setUndoRedoEnabled(false);  // 关闭撤销历史以节省内存
     m_msg_history->setAcceptRichText(true);
     m_msg_history->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
@@ -259,6 +260,7 @@ void ctai_history_textedit::add_user_message(const model_data &message)
     disp_data = QSL(message.send_user_data);
     m_msg_sned_id = QSL(message.send_user_id);
     m_msg_history->setMarkdown(disp_data);
+    m_math_convert->math_convert_svg(disp_data);
 }
 
 void ctai_history_textedit::add_system_message(const model_data &message)

src/ctai_history_textedit.h

@@ -71,7 +71,7 @@ signals:
 private:  
     void connect_signals(msg_type msg_type_mode);// 连接信号和槽
 private:
-    ctai_math_convert* m_cmark_gfm;
+    ctai_math_convert* m_math_convert;
     QFrame      *hLine;
     QSpacerItem *sparcer_item = new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Fixed);
     QVBoxLayout *mainLayout={};

src/ctai_math_convert.cpp

@@ -2,15 +2,48 @@
 
 ctai_math_convert::ctai_math_convert()
 {
-
 }
 
-ctai_math_convert::~ctai_math_convert() {
+ctai_math_convert::~ctai_math_convert()
+{
 }
 
-void ctai_math_convert::math_convert_svg(const QString& text) {
-    
+void ctai_math_convert::set_convert_opts()
+{
+}
+void ctai_math_convert::save_svg(QPixmap &img, const QString &svg)
+{
+    QString uid = QUuid::createUuid().toString(QUuid::WithoutBraces);
+    QString svgName = QDir::currentPath() + "/svg/" + uid + ".png";
+    bool ok = img.save(svgName);
+}
+QByteArray ctai_math_convert::svg_to_base64(QPixmap &pix)
+{
+
+    QByteArray data;
+    QBuffer buffer(&data);
+    QImage img = pix.toImage();
+
+    img.save(&buffer, "PNG");
+    data = data.toBase64();
+    return data;
+}
+void ctai_math_convert::math_convert_svg(const QString &latex)
+{
+    auto render = tex::LaTeX::parse(latex.toStdWString(), m_width, m_text_size, m_lineSpace, m_color);
+    qDebug() << render->getWidth() << render->getHeight();
+    QPixmap pix(render->getWidth(), render->getHeight());
+    pix.fill(Qt::white);
+    QPainter painter(&pix);
+    painter.setRenderHint(QPainter::Antialiasing, true);
+    tex::Graphics2D_qt g2(&painter);
+    render->draw(g2, 0, 0);
+    if (save_mode)
+    {
+        save_svg(pix, latex);
+    }
+    else
+    {
+        qDebug() << "svg_to_base64:" << QString::fromUtf8(svg_to_base64(pix));
+    }
 }
-void ctai_math_convert::svg_convert_base64() {
-    
-}

src/ctai_math_convert.h

@@ -1,21 +1,48 @@
 #ifndef CTAI_MATH_CONVERT_H
 #define CTAI_MATH_CONVERT_H
 
-#include "microtex.h"
+#include "latex.h"
+#include "platform/qt/graphic_qt.h"
 #include <QDebug>
 #include <QPainter>
 #include <QPixmap>
-#include <QTimer>
+#include <QDir>
+#include <QBuffer>
+#include <QUuid>
+class TexGuard {
+    public:
+        TexGuard() {
+            tex::LaTeX::init();
+        }
+    
+        ~TexGuard() {
+            tex::LaTeX::release();
+        }
+};
 
-class ctai_math_convert {
+class ctai_math_convert :public QObject
+{
+    Q_OBJECT
 public:
     explicit ctai_math_convert();
     ~ctai_math_convert();
     // 追加内容并处理Markdown
     void math_convert_svg(const QString& text);
-    void svg_convert_base64();
+    void set_convert_opts();
+    void save_svg(QPixmap& img,const QString& svg);
+    QByteArray svg_to_base64(QPixmap& pix);
 private:
-
+    TexGuard texGuard;
+    //宽度
+    int        m_width=600;
+    //文本大小
+    int        m_text_size=20;
+    //行距
+    float      m_lineSpace=20 / 3.f;
+    //颜色
+    tex::color m_color=0xff424242;
+    //处理后保存模式
+    bool save_mode=false;
 };
 
 #endif