: Fl_Box(X, Y, W, H, L) {} void draw() override { Fl_Box::draw(); // Call base class draw function // Create a Cairo surface cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w(), h()); cairo_t *cr = cairo_create(surface); // Calculate stripe...
要使用FLTK的图像特性，你必须将你的程序与“fltk_image”库链接（除了通常的“fltk”）。看起来问题是...
During the discussion of issue #185 "Shared Image reload() loses inital dimensions" I looked closer at the code of Fl_Shared_Image and came to the conclusion that this code is still "FLTK 1.3 style" and could potentially be improved by u...
Fl_Window::size_range() doesn't seem to work on X11 MoAlyousef asked Jul 26, 2024 in Q&A · Closed · Unanswered 3 1 🙏 Fl_Image::scale problems CyprinusCarpio asked Jul 25, 2024 in Q&A · Closed · Answered 3 1 💬 Is there a correct way to calculate a popup menu...
Fl_Shared_Image类用于 “查找或加载可由多个小部件共享的图像。”使用Fl_PNG_Image类 ...
Fl_Window window(320,240,"girl");Fl_Group group(0,0,320,240);Fl_Box *box = new Fl_Box(0,0,320,240);box->box(FL_UP_BOX);Fl_PNG_Image pic(filename);box->image(pic);
Fl_PNG_Memory_Image(unsigned char *buffer_png, const char *name_png); int get_png_h() { return this->h(); } int get_png_w() { return this->w(); } private: Png_infos png_infos; }; /* when we create the class, we have to pass a pointer on the beginning ...
除了fltk库之外,还有fltk_forms库支持Xforms类,fltk_gl支持OpenGL和GLUT类,fltk_image库支持image文件类,Fl_Help_Dialog控件和系统图标 注意:以上库的名称分别为"fltk.lib", "fltkgl.lib", "fltkforms.lib", and "fltkimages.lib" 类似,fltk-config脚本也能获得库文件 ...
移动是将图像看作一个整体，显示时不能像扫描那样，扫描方式有些像打开一副画，例如显示上部分的时候，...
Fl_Image.cxx ./..\FL/Fl_Device.H(114) : error C2258: illegal pure syntax, must be '= 0' ./..\FL/Fl_Device.H(114) : error C2252: 'matrix_stack_size' : pure specifier can only be specified for functions ./..\FL/Fl_Device.H(122) : error C2258: illegal pure syntax, must...