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Fixed "Pixmap" demo to not pop up a dialog if an image (or other file or even directory) is not readable.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4735 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Matthias Melcher 2006-01-02 20:18:23 +00:00
parent 0321627691
commit f5a571fc83
1 changed files with 24 additions and 8 deletions
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32
test/pixmap_browser.cxx
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@ -43,11 +43,25 @@ Fl_Shared_Image *img;
static char name[1024];
void load_file(const char *n) {
if (img) img->release();
if (img) {
img->release();
img = 0L;
}
if (fl_filename_isdir(n)) {
b->label("@fileopen"); // show a generic folder
b->labelsize(64);
b->labelcolor(FL_LIGHT2);
b->image(0);
b->redraw();
return;
}
img = Fl_Shared_Image::get(n);
if (!img) {
fl_alert("Image file format not recognized!");
b->label("@filenew"); // show an empty document
b->labelsize(64);
b->labelcolor(FL_LIGHT2);
b->image(0);
b->redraw();
return;
}
if (img->w() > b->w() || img->h() > b->h()) {
@ -58,8 +72,9 @@ void load_file(const char *n) {
img->release();
img = (Fl_Shared_Image *)temp;
}
b->label(name);
b->labelsize(14);
b->labelcolor(FL_FOREGROUND_COLOR);
b->image(img);
b->redraw();
}
@ -90,10 +105,11 @@ int main(int argc, char **argv) {
Fl::args(argc,argv,i,arg);
Fl_Window window(400,400); ::w = &window;
Fl_Box b(0,0,window.w(),window.h()); ::b = &b;
b.box(FL_FLAT_BOX);
Fl_Button button(5,5,100,35,"load");
Fl_Window window(400,435); ::w = &window;
Fl_Box b(10,45,380,380); ::b = &b;
b.box(FL_THIN_DOWN_BOX);
b.align(FL_ALIGN_INSIDE|FL_ALIGN_CENTER);
Fl_Button button(150,5,100,30,"load");
button.callback(button_cb);
if (!dvisual) Fl::visual(FL_RGB);
if (argv[1]) load_file(argv[1]);