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C++ DocumentUndo::lastExecutedCmd方法代码示例

本文整理汇总了C++中DocumentUndo::lastExecutedCmd方法的典型用法代码示例。如果您正苦于以下问题:C++ DocumentUndo::lastExecutedCmd方法的具体用法?C++ DocumentUndo::lastExecutedCmd怎么用?C++ DocumentUndo::lastExecutedCmd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DocumentUndo的用法示例。


在下文中一共展示了DocumentUndo::lastExecutedCmd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: updateCurrentSpritePalette

void PaletteEntryEditor::updateCurrentSpritePalette(const char* operationName)
{
    if (UIContext::instance()->activeDocument() &&
            UIContext::instance()->activeDocument()->sprite()) {
        try {
            ContextWriter writer(UIContext::instance());
            Document* document(writer.document());
            Sprite* sprite(writer.sprite());
            Palette* newPalette = get_current_palette(); // System current pal
            frame_t frame = writer.frame();
            Palette* currentSpritePalette = sprite->palette(frame); // Sprite current pal
            int from, to;

            // Check differences between current sprite palette and current system palette
            from = to = -1;
            currentSpritePalette->countDiff(newPalette, &from, &to);

            if (from >= 0 && to >= from) {
                DocumentUndo* undo = document->undoHistory();
                Cmd* cmd = new cmd::SetPalette(sprite, frame, newPalette);

                // Add undo information to save the range of pal entries that will be modified.
                if (m_implantChange &&
                        undo->lastExecutedCmd() &&
                        undo->lastExecutedCmd()->label() == operationName) {
                    // Implant the cmd in the last CmdSequence if it's
                    // related about color palette modifications
                    ASSERT(dynamic_cast<CmdSequence*>(undo->lastExecutedCmd()));
                    static_cast<CmdSequence*>(undo->lastExecutedCmd())->add(cmd);
                    cmd->execute(UIContext::instance());
                }
                else {
                    Transaction transaction(writer.context(), operationName, ModifyDocument);
                    transaction.execute(cmd);
                    transaction.commit();
                }
            }
        }
        catch (base::Exception& e) {
            Console::showException(e);
        }
    }

    PaletteView* palette_editor = ColorBar::instance()->getPaletteView();
    palette_editor->invalidate();

    if (!m_redrawTimer.isRunning())
        m_redrawTimer.start();

    m_redrawAll = false;
    m_implantChange = true;
}
开发者ID:93i,项目名称:aseprite,代码行数:52,代码来源:cmd_palette_editor.cpp


注:本文中的DocumentUndo::lastExecutedCmd方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。