本文整理汇总了C++中Fl_Image::system_convert方法的典型用法代码示例。如果您正苦于以下问题：C++ Fl_Image::system_convert方法的具体用法？C++ Fl_Image::system_convert怎么用？C++ Fl_Image::system_convert使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Fl_Image的用法示例。
在下文中一共展示了Fl_Image::system_convert方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: bg_image_input
void bg_image_input(Fl_Input *w, void *d)
{
changed=true;
Fl_String val(w->value());
filename = fl_file_expand(val);
if(mini_wpaper) { delete mini_wpaper; mini_wpaper=0; }
if(mini_image) { delete mini_image; mini_image=0; }
Fl_Image *im = Fl_Image::read(filename);
if(im) {
im->system_convert();
float scalew = (float)mini_image_box->w()/(float)desktop->w();
float scaleh = (float)mini_image_box->h()/(float)desktop->h();
mini_image = im->scale(int(im->width()*scalew), int(im->height()*scaleh));
delete im;
}
if(mini_image) {
mini_wpaper = make_image(color, mini_image,
mini_image_box->w(), mini_image_box->h(),
mode, opacity);
mini_image_box->image(mini_wpaper);
} else {
mini_image_box->image(0);
}
image_input->value(filename);
image_input->redraw();
mini_image_box->redraw();
}示例2: desktop_properties
void desktop_properties(Fl_Widget *, void *arg)
{
if(!shown) {
make_desktop_properties();
shown = true;
}
mode = desktop->bg_mode;
color = desktop->bg_color;
opacity = desktop->bg_opacity;
use = desktop->bg_use;
filename = desktop->bg_filename;
if(bg_prop_window->visible()) {
bg_prop_window->show();
return;
}
if(mini_image) { delete mini_image; mini_image=0; }
if(mini_wpaper){ delete mini_wpaper; mini_wpaper=0;}
color_button->selection_color(color);
mini_image_box->color(color);
opacity_slider->value(opacity);
mode_choice->value(mode);
use_button->value(use);
image_input->value(filename);
if(!desktop->bg_filename.empty())
{
Fl_Image *im = Fl_Image::read(desktop->bg_filename);
if(im) {
im->system_convert();
float scalew = (float)mini_image_box->w()/(float)desktop->w();
float scaleh = (float)mini_image_box->h()/(float)desktop->h();
mini_image = im->scale(int(im->width()*scalew), int(im->height()*scaleh));
delete im;
}
}
if(mini_image) {
mini_wpaper = make_image(color, mini_image,
mini_image_box->w(), mini_image_box->h(),
mode, opacity);
mini_image_box->image(mini_wpaper);
} else
mini_image_box->image(0);
if(use)
bg_image_group->activate();
else {
bg_image_group->deactivate();
mini_image_box->image(0);
}
bg_prop_window->show();
}示例3: bg_image_browse
void bg_image_browse(Fl_Button *w, void *d)
{
changed=true;
fc_initial_preview = true;
const char *f=fl_select_file(image_input->value(),
_("All Files, *,"
"Png Images, *.png,"
"Xpm Images, *.xpm,"
"Jpeg Images, *.{jpg|jpeg},"
"Gif Images, *.gif,"
"Bmp Images, *.bmp"),
_("Choose wallpaper:")
);
if(f) {
if(mini_wpaper) { delete mini_wpaper; mini_wpaper=0; }
if(mini_image) { delete mini_image; mini_image=0; }
filename = f;
Fl_Image *im = Fl_Image::read(f);
if(im) {
im->system_convert();
float scalew = (float)mini_image_box->w()/(float)desktop->w();
float scaleh = (float)mini_image_box->h()/(float)desktop->h();
mini_image = im->scale(int(im->width()*scalew), int(im->height()*scaleh));
delete im;
}
if(mini_image) {
mini_wpaper = make_image(color, mini_image,
mini_image_box->w(), mini_image_box->h(),
mode, opacity);
mini_image_box->image(mini_wpaper);
} else
mini_image_box->image(0);
image_input->value(filename);
image_input->redraw();
mini_image_box->redraw();
delete []f;
}
}