Layer* read_layer(std::istream& is, LayerSubObjectsSerializer* subObjects, Sprite* sprite)
{
uint16_t name_length = read16(is); // Name length
std::vector<char> name(name_length+1);
if (name_length > 0) {
is.read(&name[0], name_length); // Name
name[name_length] = 0;
}
else
name[0] = 0;
uint32_t flags = read32(is); // Flags
uint16_t layer_type = read16(is); // Type
base::UniquePtr<Layer> layer;
switch (static_cast<ObjectType>(layer_type)) {
case ObjectType::LayerImage: {
// Create layer
layer.reset(new LayerImage(sprite));
// Read cels
int cels = read16(is); // Number of cels
for (int c=0; c<cels; ++c) {
// Read the cel
Cel* cel = subObjects->read_cel(is);
// Add the cel in the layer
static_cast<LayerImage*>(layer.get())->addCel(cel);
// Read the cel's image
Image* image = subObjects->read_image(is);
sprite->stock()->replaceImage(cel->imageIndex(), image);
}
break;
}
case ObjectType::LayerFolder: {
// Create the layer set
layer.reset(new LayerFolder(sprite));
// Number of sub-layers
int layers = read16(is);
for (int c=0; c<layers; c++) {
Layer* child = subObjects->read_layer(is);
if (child)
static_cast<LayerFolder*>(layer.get())->addLayer(child);
else
break;
}
break;
}
default:
throw InvalidLayerType("Invalid layer type found in stream");
}
if (layer != NULL) {
layer->setName(&name[0]);
layer->setFlags(flags);
}
return layer.release();
}
/**
* [working thread]
*/
virtual void onJob()
{
UndoTransaction undoTransaction(m_writer.context(), "Sprite Size");
DocumentApi api = m_writer.document()->getApi();
// Get all sprite cels
CelList cels;
m_sprite->getCels(cels);
// For each cel...
int progress = 0;
for (CelIterator it = cels.begin(); it != cels.end(); ++it, ++progress) {
Cel* cel = *it;
// Change its location
api.setCelPosition(m_sprite, cel, scale_x(cel->x()), scale_y(cel->y()));
// Get cel's image
Image* image = cel->image();
if (!image)
continue;
// Resize the image
int w = scale_x(image->width());
int h = scale_y(image->height());
Image* new_image = Image::create(image->pixelFormat(), MAX(1, w), MAX(1, h));
doc::algorithm::fixup_image_transparent_colors(image);
doc::algorithm::resize_image(image, new_image,
m_resize_method,
m_sprite->getPalette(cel->frame()),
m_sprite->getRgbMap(cel->frame()));
api.replaceStockImage(m_sprite, cel->imageIndex(), new_image);
jobProgress((float)progress / cels.size());
// cancel all the operation?
if (isCanceled())
return; // UndoTransaction destructor will undo all operations
}
// Resize mask
if (m_document->isMaskVisible()) {
base::UniquePtr<Image> old_bitmap
(crop_image(m_document->mask()->bitmap(), -1, -1,
m_document->mask()->bitmap()->width()+2,
m_document->mask()->bitmap()->height()+2, 0));
int w = scale_x(old_bitmap->width());
int h = scale_y(old_bitmap->height());
base::UniquePtr<Mask> new_mask(new Mask);
new_mask->replace(scale_x(m_document->mask()->bounds().x-1),
scale_y(m_document->mask()->bounds().y-1), MAX(1, w), MAX(1, h));
algorithm::resize_image(old_bitmap, new_mask->bitmap(),
m_resize_method,
m_sprite->getPalette(FrameNumber(0)), // Ignored
m_sprite->getRgbMap(FrameNumber(0))); // Ignored
// Reshrink
new_mask->intersect(new_mask->bounds());
// Copy new mask
api.copyToCurrentMask(new_mask);
// Regenerate mask
m_document->resetTransformation();
m_document->generateMaskBoundaries();
}
// resize sprite
api.setSpriteSize(m_sprite, m_new_width, m_new_height);
// commit changes
undoTransaction.commit();
}