C++ Doc::sprite方法代码示例

void ImportSpriteSheetCommand::onExecute(Context* context)
{
  ImportSpriteSheetWindow window(context);

  window.openWindowInForeground();
  if (!window.ok())
    return;

  Doc* document = window.document();
  DocumentPreferences* docPref = window.docPref();
  gfx::Rect frameBounds = window.frameBounds();
  gfx::Size padThickness = window.paddingThickness();
  bool partialTiles = window.partialTilesValue();
  bool paddingEnable = window.paddingEnabledValue();
  auto sheetType = window.sheetTypeValue();

  ASSERT(document);
  if (!document)
    return;

  // The list of frames imported from the sheet
  std::vector<ImageRef> animation;

  try {
    Sprite* sprite = document->sprite();
    frame_t currentFrame = context->activeSite().frame();
    render::Render render;
    render.setNewBlend(Preferences::instance().experimental.newBlend());

    // Each sprite in the sheet
    std::vector<gfx::Rect> tileRects;
    int widthStop = sprite->width();
    int heightStop = sprite->height();
    if (partialTiles) {
      widthStop += frameBounds.w-1;
      heightStop += frameBounds.h-1;
    }

    switch (sheetType) {
      case app::SpriteSheetType::Horizontal:
        for (int x=frameBounds.x; x+frameBounds.w<=widthStop; x+=frameBounds.w+padThickness.w) {
          tileRects.push_back(gfx::Rect(x, frameBounds.y, frameBounds.w, frameBounds.h));
        }
        break;
      case app::SpriteSheetType::Vertical:
        for (int y=frameBounds.y; y+frameBounds.h<=heightStop; y+=frameBounds.h+padThickness.h) {
          tileRects.push_back(gfx::Rect(frameBounds.x, y, frameBounds.w, frameBounds.h));
        }
        break;
      case app::SpriteSheetType::Rows:
        for (int y=frameBounds.y; y+frameBounds.h<=heightStop; y+=frameBounds.h+padThickness.h) {
          for (int x=frameBounds.x; x+frameBounds.w<=widthStop; x+=frameBounds.w+padThickness.w) {
            tileRects.push_back(gfx::Rect(x, y, frameBounds.w, frameBounds.h));
          }
        }
        break;
      case app::SpriteSheetType::Columns:
        for (int x=frameBounds.x; x+frameBounds.w<=widthStop; x+=frameBounds.w+padThickness.w) {
          for (int y=frameBounds.y; y+frameBounds.h<=heightStop; y+=frameBounds.h+padThickness.h) {
            tileRects.push_back(gfx::Rect(x, y, frameBounds.w, frameBounds.h));
          }
        }
        break;
    }

    // As first step, we cut each tile and add them into "animation" list.
    for (const auto& tileRect : tileRects) {
      ImageRef resultImage(
        Image::create(
          sprite->pixelFormat(), tileRect.w, tileRect.h));

      // Render the portion of sheet.
      render.renderSprite(
        resultImage.get(), sprite, currentFrame,
        gfx::Clip(0, 0, tileRect));

      animation.push_back(resultImage);
    }

    if (animation.size() == 0) {
      Alert::show(Strings::alerts_empty_rect_importing_sprite_sheet());
      return;
    }

    // The following steps modify the sprite, so we wrap all
    // operations in a undo-transaction.
    ContextWriter writer(context);
    Tx tx(writer.context(), "Import Sprite Sheet", ModifyDocument);
    DocApi api = document->getApi(tx);

    // Add the layer in the sprite.
    LayerImage* resultLayer = api.newLayer(sprite->root(), "Sprite Sheet");

    // Add all frames+cels to the new layer
    for (size_t i=0; i<animation.size(); ++i) {
      // Create the cel.
      std::unique_ptr<Cel> resultCel(new Cel(frame_t(i), animation[i]));

      // Add the cel in the layer.
      api.addCel(resultLayer, resultCel.get());
//.........这里部分代码省略.........

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.........