本文整理汇总了C++中Doc::undoHistory方法的典型用法代码示例。如果您正苦于以下问题：C++ Doc::undoHistory方法的具体用法？C++ Doc::undoHistory怎么用？C++ Doc::undoHistory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Doc的用法示例。
在下文中一共展示了Doc::undoHistory方法的1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: onExecute
void SaveFileCopyAsCommand::onExecute(Context* context)
{
Doc* doc = context->activeDocument();
std::string outputFilename = m_filename;
std::string layers = kAllLayers;
std::string frames = kAllFrames;
double xscale = 1.0;
double yscale = 1.0;
bool applyPixelRatio = false;
doc::AniDir aniDirValue = convert_string_to_anidir(m_aniDir);
bool isForTwitter = false;
#if ENABLE_UI
if (context->isUIAvailable()) {
ExportFileWindow win(doc);
bool askOverwrite = true;
win.SelectOutputFile.connect(
[this, &win, &askOverwrite, context, doc]() -> std::string {
std::string result =
saveAsDialog(
context, "Export",
win.outputFilenameValue(), false, false,
(doc->isAssociatedToFile() ? doc->filename():
std::string()));
if (!result.empty())
askOverwrite = false; // Already asked in the file selector dialog
return result;
});
again:;
if (!win.show())
return;
outputFilename = win.outputFilenameValue();
if (askOverwrite &&
base::is_file(outputFilename)) {
int ret = OptionalAlert::show(
Preferences::instance().exportFile.showOverwriteFilesAlert,
1, // Yes is the default option when the alert dialog is disabled
fmt::format(Strings::alerts_overwrite_files_on_export(),
outputFilename));
if (ret != 1)
goto again;
}
// Save the preferences used to export the file, so if we open the
// window again, we will have the same options.
win.savePref();
layers = win.layersValue();
frames = win.framesValue();
xscale = yscale = win.resizeValue();
applyPixelRatio = win.applyPixelRatio();
aniDirValue = win.aniDirValue();
isForTwitter = win.isForTwitter();
}
#endif
// Pixel ratio
if (applyPixelRatio) {
doc::PixelRatio pr = doc->sprite()->pixelRatio();
xscale *= pr.w;
yscale *= pr.h;
}
// Apply scale
const undo::UndoState* undoState = nullptr;
bool undoResize = false;
if (xscale != 1.0 || yscale != 1.0) {
Command* resizeCmd = Commands::instance()->byId(CommandId::SpriteSize());
ASSERT(resizeCmd);
if (resizeCmd) {
int width = doc->sprite()->width();
int height = doc->sprite()->height();
int newWidth = int(double(width) * xscale);
int newHeight = int(double(height) * yscale);
if (newWidth < 1) newWidth = 1;
if (newHeight < 1) newHeight = 1;
if (width != newWidth || height != newHeight) {
doc->setInhibitBackup(true);
undoState = doc->undoHistory()->currentState();
undoResize = true;
Params params;
params.set("use-ui", "false");
params.set("width", base::convert_to<std::string>(newWidth).c_str());
params.set("height", base::convert_to<std::string>(newHeight).c_str());
params.set("resize-method", "nearest-neighbor"); // TODO add algorithm in the UI?
context->executeCommand(resizeCmd, params);
}
}
}
{
RestoreVisibleLayers layersVisibility;
if (context->isUIAvailable()) {
Site site = context->activeSite();
//.........这里部分代码省略.........