void move_cel(ContextWriter& writer)
{
Document* document = writer.document();
Sprite* sprite = writer.sprite();
Cel *src_cel, *dst_cel;
ASSERT(src_layer != NULL);
ASSERT(dst_layer != NULL);
ASSERT(src_frame >= 0 && src_frame < sprite->getTotalFrames());
ASSERT(dst_frame >= 0 && dst_frame < sprite->getTotalFrames());
if (src_layer->isBackground()) {
copy_cel(writer);
return;
}
src_cel = static_cast<LayerImage*>(src_layer)->getCel(src_frame);
dst_cel = static_cast<LayerImage*>(dst_layer)->getCel(dst_frame);
UndoTransaction undo(writer.context(), "Move Cel", undo::ModifyDocument);
/* remove the 'dst_cel' (if it exists) because it must be
replaced with 'src_cel' */
if ((dst_cel != NULL) && (!dst_layer->isBackground() || src_cel != NULL))
remove_cel(sprite, undo, static_cast<LayerImage*>(dst_layer), dst_cel);
/* move the cel in the same layer */
if (src_cel != NULL) {
if (src_layer == dst_layer) {
if (undo.isEnabled())
undo.pushUndoer(new undoers::SetCelFrame(undo.getObjects(), src_cel));
src_cel->setFrame(dst_frame);
}
/* move the cel in different layers */
else {
if (undo.isEnabled())
undo.pushUndoer(new undoers::RemoveCel(undo.getObjects(), src_layer, src_cel));
static_cast<LayerImage*>(src_layer)->removeCel(src_cel);
src_cel->setFrame(dst_frame);
/* if we are moving a cel from a transparent layer to the
background layer, we have to clear the background of the
image */
if (!src_layer->isBackground() &&
dst_layer->isBackground()) {
Image *src_image = sprite->getStock()->getImage(src_cel->getImage());
Image *dst_image = image_crop(src_image,
-src_cel->getX(),
-src_cel->getY(),
sprite->getWidth(),
sprite->getHeight(), 0);
if (undo.isEnabled()) {
undo.pushUndoer(new undoers::ReplaceImage(undo.getObjects(),
sprite->getStock(), src_cel->getImage()));
undo.pushUndoer(new undoers::SetCelPosition(undo.getObjects(), src_cel));
undo.pushUndoer(new undoers::SetCelOpacity(undo.getObjects(), src_cel));
}
image_clear(dst_image, app_get_color_to_clear_layer(dst_layer));
image_merge(dst_image, src_image, src_cel->getX(), src_cel->getY(), 255, BLEND_MODE_NORMAL);
src_cel->setPosition(0, 0);
src_cel->setOpacity(255);
sprite->getStock()->replaceImage(src_cel->getImage(), dst_image);
image_free(src_image);
}
if (undo.isEnabled())
undo.pushUndoer(new undoers::AddCel(undo.getObjects(), dst_layer, src_cel));
static_cast<LayerImage*>(dst_layer)->addCel(src_cel);
}
}
undo.commit();
document->notifyCelMoved(src_layer, src_frame, dst_layer, dst_frame);
set_frame_to_handle(NULL, FrameNumber(0), NULL, FrameNumber(0));
}
void MergeDownLayerCommand::onExecute(Context* context)
{
ContextWriter writer(context);
Document* document(writer.document());
Sprite* sprite(writer.sprite());
Transaction transaction(writer.context(), "Merge Down Layer", ModifyDocument);
LayerImage* src_layer = static_cast<LayerImage*>(writer.layer());
Layer* dst_layer = src_layer->getPrevious();
for (frame_t frpos = 0; frpos<sprite->totalFrames(); ++frpos) {
// Get frames
Cel* src_cel = src_layer->cel(frpos);
Cel* dst_cel = dst_layer->cel(frpos);
// Get images
Image* src_image;
if (src_cel != NULL)
src_image = src_cel->image();
else
src_image = NULL;
ImageRef dst_image;
if (dst_cel)
dst_image = dst_cel->imageRef();
// With source image?
if (src_image) {
int t;
int opacity;
opacity = MUL_UN8(src_cel->opacity(), src_layer->opacity(), t);
// No destination image
if (!dst_image) { // Only a transparent layer can have a null cel
// Copy this cel to the destination layer...
// Creating a copy of the image
dst_image.reset(Image::createCopy(src_image));
// Creating a copy of the cell
dst_cel = new Cel(frpos, dst_image);
dst_cel->setPosition(src_cel->x(), src_cel->y());
dst_cel->setOpacity(opacity);
transaction.execute(new cmd::AddCel(dst_layer, dst_cel));
}
// With destination
else {
gfx::Rect bounds;
// Merge down in the background layer
if (dst_layer->isBackground()) {
bounds = sprite->bounds();
}
// Merge down in a transparent layer
else {
bounds = src_cel->bounds().createUnion(dst_cel->bounds());
}
doc::color_t bgcolor = app_get_color_to_clear_layer(dst_layer);
ImageRef new_image(doc::crop_image(
dst_image.get(),
bounds.x-dst_cel->x(),
bounds.y-dst_cel->y(),
bounds.w, bounds.h, bgcolor));
// Merge src_image in new_image
render::composite_image(
new_image.get(), src_image,
sprite->palette(src_cel->frame()),
src_cel->x()-bounds.x,
src_cel->y()-bounds.y,
opacity,
src_layer->blendMode());
transaction.execute(new cmd::SetCelPosition(dst_cel,
bounds.x, bounds.y));
if (dst_cel->links())
transaction.execute(new cmd::UnlinkCel(dst_cel));
transaction.execute(new cmd::ReplaceImage(sprite,
dst_cel->imageRef(), new_image));
}
}
}
document->notifyLayerMergedDown(src_layer, dst_layer);
document->getApi(transaction).removeLayer(src_layer); // src_layer is deleted inside removeLayer()
transaction.commit();
update_screen_for_document(document);
}
void copy_cel(ContextWriter& writer)
{
Document* document = writer.document();
Sprite* sprite = writer.sprite();
UndoTransaction undo(writer.context(), "Move Cel", undo::ModifyDocument);
Cel *src_cel, *dst_cel;
ASSERT(src_layer != NULL);
ASSERT(dst_layer != NULL);
ASSERT(src_frame >= 0 && src_frame < sprite->getTotalFrames());
ASSERT(dst_frame >= 0 && dst_frame < sprite->getTotalFrames());
src_cel = static_cast<LayerImage*>(src_layer)->getCel(src_frame);
dst_cel = static_cast<LayerImage*>(dst_layer)->getCel(dst_frame);
// Remove the 'dst_cel' (if it exists) because it must be replaced
// with 'src_cel'
if ((dst_cel != NULL) && (!dst_layer->isBackground() || src_cel != NULL))
remove_cel(sprite, undo, static_cast<LayerImage*>(dst_layer), dst_cel);
// Move the cel in the same layer.
if (src_cel != NULL) {
Image *src_image = sprite->getStock()->getImage(src_cel->getImage());
Image *dst_image;
int image_index;
int dst_cel_x;
int dst_cel_y;
int dst_cel_opacity;
// If we are moving a cel from a transparent layer to the
// background layer, we have to clear the background of the image.
if (!src_layer->isBackground() &&
dst_layer->isBackground()) {
dst_image = image_crop(src_image,
-src_cel->getX(),
-src_cel->getY(),
sprite->getWidth(),
sprite->getHeight(), 0);
image_clear(dst_image, app_get_color_to_clear_layer(dst_layer));
image_merge(dst_image, src_image, src_cel->getX(), src_cel->getY(), 255, BLEND_MODE_NORMAL);
dst_cel_x = 0;
dst_cel_y = 0;
dst_cel_opacity = 255;
}
else {
dst_image = Image::createCopy(src_image);
dst_cel_x = src_cel->getX();
dst_cel_y = src_cel->getY();
dst_cel_opacity = src_cel->getOpacity();
}
// Add the image in the stock
image_index = sprite->getStock()->addImage(dst_image);
if (undo.isEnabled())
undo.pushUndoer(new undoers::AddImage(undo.getObjects(),
sprite->getStock(), image_index));
// Create the new cel
dst_cel = new Cel(dst_frame, image_index);
dst_cel->setPosition(dst_cel_x, dst_cel_y);
dst_cel->setOpacity(dst_cel_opacity);
if (undo.isEnabled())
undo.pushUndoer(new undoers::AddCel(undo.getObjects(), dst_layer, dst_cel));
static_cast<LayerImage*>(dst_layer)->addCel(dst_cel);
}
undo.commit();
document->notifyCelCopied(src_layer, src_frame, dst_layer, dst_frame);
set_frame_to_handle(NULL, FrameNumber(0), NULL, FrameNumber(0));
}
void FlipCommand::onExecute(Context* context)
{
ContextWriter writer(context);
Document* document = writer.document();
Sprite* sprite = writer.sprite();
DocumentApi api = document->getApi();
{
UndoTransaction undoTransaction(writer.context(),
m_flipMask ?
(m_flipType == raster::algorithm::FlipHorizontal ?
"Flip Horizontal":
"Flip Vertical"):
(m_flipType == raster::algorithm::FlipHorizontal ?
"Flip Canvas Horizontal":
"Flip Canvas Vertical"));
if (m_flipMask) {
int x, y;
Image* image = writer.image(&x, &y);
if (!image)
return;
Mask* mask = NULL;
bool alreadyFlipped = false;
// This variable will be the area to be flipped inside the image.
gfx::Rect bounds(image->getBounds());
// If there is some portion of sprite selected, we flip the
// selected region only. If the mask isn't visible, we flip the
// whole image.
if (document->isMaskVisible()) {
mask = document->getMask();
// Intersect the full area of the image with the mask's
// bounds, so we don't request to flip an area outside the
// image's bounds.
bounds = bounds.createIntersect(gfx::Rect(mask->getBounds()).offset(-x, -y));
// If the mask isn't a rectangular area, we've to flip the mask too.
if (mask->getBitmap() != NULL && !mask->isRectangular()) {
int bgcolor = app_get_color_to_clear_layer(writer.layer());
// Flip the portion of image specified by the mask.
mask->offsetOrigin(-x, -y);
api.flipImageWithMask(image, mask, m_flipType, bgcolor);
mask->offsetOrigin(x, y);
alreadyFlipped = true;
// Flip the mask.
Image* maskBitmap = mask->getBitmap();
if (maskBitmap != NULL) {
// Create a flipped copy of the current mask.
base::UniquePtr<Mask> newMask(new Mask(*mask));
newMask->freeze();
raster::algorithm::flip_image(newMask->getBitmap(),
maskBitmap->getBounds(), m_flipType);
newMask->unfreeze();
// Change the current mask and generate the new boundaries.
api.copyToCurrentMask(newMask);
document->generateMaskBoundaries();
}
}
}
// Flip the portion of image specified by "bounds" variable.
if (!alreadyFlipped) {
api.flipImage(image, bounds, m_flipType);
}
}
else {
// get all sprite cels
CelList cels;
sprite->getCels(cels);
// for each cel...
for (CelIterator it = cels.begin(); it != cels.end(); ++it) {
Cel* cel = *it;
Image* image = sprite->getStock()->getImage(cel->getImage());
api.setCelPosition
(sprite, cel,
(m_flipType == raster::algorithm::FlipHorizontal ?
sprite->getWidth() - image->getWidth() - cel->getX():
cel->getX()),
(m_flipType == raster::algorithm::FlipVertical ?
sprite->getHeight() - image->getHeight() - cel->getY():
cel->getY()));
api.flipImage(image, image->getBounds(), m_flipType);
}
}
undoTransaction.commit();
}
update_screen_for_document(document);
}
