ImageMagick 图片添加文字

void test_wand()
{
    char* inputPath =(char*) "1.png";
    char* outputPath =(char*) "111.png";
    char* text = (char*) "HELLO WORLD";
    MagickWand *magick_wand;
    DrawingWand *drawing_wand;
    PixelWand *pixel_wand;

    // 初始化 MagickWand
    MagickWandGenesis();

  
    magick_wand = NewMagickWand();

    // 读取输入图片
    if (MagickReadImage(magick_wand, inputPath) == MagickFalse) {
        //std::cerr << "Failed to read image: " << inputPath << std::endl;
        return;
    }

    // 创建 PixelWand 并设置字体颜色
    pixel_wand = NewPixelWand();
    PixelSetColor(pixel_wand, "red");

    // 创建 DrawingWand 并设置文字属性
    drawing_wand = NewDrawingWand();
    DrawSetFont(drawing_wand, "Arial");
    DrawSetFontSize(drawing_wand, 36);
    DrawSetFillColor(drawing_wand, pixel_wand);

    // 设置文字位置
    DrawAnnotation(drawing_wand, 100, 100, reinterpret_cast<const unsigned char*>(text));

    // 将文字绘制到图片上
    MagickDrawImage(magick_wand, drawing_wand);

    // 保存输出图片
    if (MagickWriteImages(magick_wand, outputPath, MagickTrue) == MagickFalse) {
        //std::cerr << "Failed to write image: " << outputPath << std::endl;
    }

    // 清理
    if (magick_wand) magick_wand = DestroyMagickWand(magick_wand);
    if (drawing_wand) drawing_wand = DestroyDrawingWand(drawing_wand);
    if (pixel_wand) pixel_wand = DestroyPixelWand(pixel_wand);

    // 终止 MagickWand
    MagickWandTerminus();
}