本文整理汇总了C++中Fl_Image::copy方法的典型用法代码示例。如果您正苦于以下问题：C++ Fl_Image::copy方法的具体用法？C++ Fl_Image::copy怎么用？C++ Fl_Image::copy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::copy方法的4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: load_icon
void DesktopIcon::load_icon(int face) {
const char* ic = NULL;
if(face != ICON_FACE_TWO) {
if(!settings->icon.empty())
ic = settings->icon.c_str();
} else {
if(!settings->icon2.empty())
ic = settings->icon2.c_str();
}
if(!ic)
return;
if(!IconLoader::set(this, ic, ICON_SIZE_HUGE)) {
E_DEBUG(E_STRLOC ": Unable to load %s icon\n", ic);
return;
}
/* fetch image object for sizes */
Fl_Image* img = image();
int img_w = img->w();
int img_h = img->h();
/* resize box if icon is larger */
if(img_w > ICON_SIZE_MIN_W || img_h > ICON_SIZE_MIN_H)
size(img_w + OFFSET_W, img_h + OFFSET_H);
/* darker icon version for selection */
delete darker_img;
darker_img = img->copy(img->w(), img->h());
darker_img->color_average(FL_BLUE, 0.6);
}示例2: reload
void DerivedShared_Image::reload ()
{
int i;
FILE * fp;
uchar header[64];
Fl_Image * img;
if (!name_)
return;
if ((fp = fl_fopen (name_, "rb")) != NULL)
{
if (fread (header, 1, sizeof (header), fp) == 0)
{ /* ignore */
}
fclose (fp);
}
else
{
return;
}
if (memcmp (header, "#define", 7) == 0) // XBM file
img = new Fl_XBM_Image (name_);
else if (memcmp (header, "/* XPM */", 9) == 0) // XPM file
img = new Fl_XPM_Image (name_);
else
{
for (i = 0, img = 0; i < num_handlers_; i++)
{
// The only difference is the cast
img = (static_cast<Fl_Image *> (
(fl_handlers_[i]) (name_, header, sizeof (header))));
if (img)
break;
}
}
if (img)
{
if (alloc_image_)
delete image_;
alloc_image_ = 1;
if ((img->w () != w () && w ()) || (img->h () != h () && h ()))
{
Fl_Image * temp = img->copy (w (), h ());
delete img;
image_ = temp;
}
else
{
image_ = img;
}
update ();
}
};示例3: if
void
Panner::draw_the_box ( int tx, int ty, int tw, int th )
{
draw_box();
Fl_Image *i = 0;
if ( _bg_image && ( _bg_image->h() != th || projection() != _bg_image_projection ) )
{
if ( _bg_image_scaled )
delete _bg_image;
else
((Fl_Shared_Image*)_bg_image)->release();
_bg_image = 0;
}
if ( ! _bg_image )
{
if ( projection() == POLAR )
{
if ( th <= 92 )
i = Fl_Shared_Image::get( PIXMAP_PATH "/non-mixer/panner-sphere-92x92.png" );
else if ( th <= 502 )
i = Fl_Shared_Image::get( PIXMAP_PATH "/non-mixer/panner-sphere-502x502.png" );
else if ( th <= 802 )
i = Fl_Shared_Image::get( PIXMAP_PATH "/non-mixer/panner-sphere-802x802.png" );
}
else
{
if ( th <= 92 )
i = Fl_Shared_Image::get( PIXMAP_PATH "/non-mixer/panner-plane-92x92.png" );
else if ( th <= 502 )
i = Fl_Shared_Image::get( PIXMAP_PATH "/non-mixer/panner-plane-502x502.png" );
else if ( th <= 802 )
i = Fl_Shared_Image::get( PIXMAP_PATH "/non-mixer/panner-plane-802x802.png" );
}
if ( i && i->h() != th )
{
Fl_Image *scaled = i->copy( th, th );
_bg_image = scaled;
_bg_image_scaled = true;
}
else
{
_bg_image = i;
_bg_image_scaled = false;
}
}
_bg_image_projection = projection();
if ( _bg_image )
_bg_image->draw( tx, ty );
}示例4: if
//=============================================================================
Fl_Image * openTextureFile(string strFileName)
{
Fl_Image *img = NULL;
try
{
if (getExt(strFileName) == ".jpg" || getExt(strFileName) == ".jpeg")
img = new Fl_JPEG_Image(strFileName.c_str());
else if (getExt(strFileName) == ".png")
img = new Fl_PNG_Image(strFileName.c_str());
else
img = new Fl_BMP_Image(strFileName.c_str());
}
catch(std::bad_alloc x)
{
mem_alloc_failure(__FILE__, __LINE__);
return NULL;
}
// return if no image
if (img->d() == 0 || img->h() == 0 || img->w() == 0)
{
delete img;
return NULL;
}
// downsize if image is too big
if (img->h() > 4096 || img->w() > 4096)
{
cout << ("Downsizing image to maximum of 4096 a side");
int h = img->h() >= img->w() ? 4096 : 4096 * img->h() / img->w();
int w = img->w() >= img->h() ? 4096 : 4096 * img->w() / img->h();
Fl_Image *img2 = img->copy(w, h);
delete img;
img = img2;
}
return img;
}