FrameNumber onGetFrame(Editor* editor) override {
FrameNumber frame = editor->frame();
if (frame < editor->sprite()->lastFrame())
return frame.next();
else
return FrameNumber(0);
}
void ClearCelCommand::onExecute(Context* context)
{
ContextWriter writer(context);
Document* document(writer.document());
{
UndoTransaction undoTransaction(writer.context(), "Clear Cel");
// TODO the range of selected frames should be in the DocumentLocation.
Timeline::Range range = App::instance()->getMainWindow()->getTimeline()->range();
if (range.enabled()) {
Sprite* sprite = writer.sprite();
for (LayerIndex layerIdx = range.layerBegin(); layerIdx <= range.layerEnd(); ++layerIdx) {
Layer* layer = sprite->indexToLayer(layerIdx);
if (!layer->isImage())
continue;
LayerImage* layerImage = static_cast<LayerImage*>(layer);
for (FrameNumber frame = range.frameEnd(),
begin = range.frameBegin().previous();
frame != begin;
frame = frame.previous()) {
document->getApi().clearCel(layerImage, frame);
}
}
}
else {
document->getApi().clearCel(writer.cel());
}
undoTransaction.commit();
}
update_screen_for_document(document);
}
void DocumentApi::moveFrameBefore(Sprite* sprite, FrameNumber frame, FrameNumber beforeFrame)
{
if (frame != beforeFrame &&
frame >= 0 &&
frame <= sprite->getLastFrame() &&
beforeFrame >= 0 &&
beforeFrame <= sprite->getLastFrame()) {
// Change the frame-lengths...
int frlen_aux = sprite->getFrameDuration(frame);
// Moving the frame to the future.
if (frame < beforeFrame) {
for (FrameNumber c=frame; c<beforeFrame.previous(); ++c)
setFrameDuration(sprite, c, sprite->getFrameDuration(c.next()));
setFrameDuration(sprite, beforeFrame.previous(), frlen_aux);
}
// Moving the frame to the past.
else if (beforeFrame < frame) {
for (FrameNumber c=frame; c>beforeFrame; --c)
setFrameDuration(sprite, c, sprite->getFrameDuration(c.previous()));
setFrameDuration(sprite, beforeFrame, frlen_aux);
}
// change the cels of position...
moveFrameBeforeLayer(sprite->getFolder(), frame, beforeFrame);
}
}
FrameNumber onGetFrame(Editor* editor) override {
FrameNumber frame = editor->frame();
if (frame > FrameNumber(0))
return frame.previous();
else
return editor->sprite()->lastFrame();
}
raster::FrameNumber calculate_next_frame(
raster::Sprite* sprite,
raster::FrameNumber frame,
IDocumentSettings* docSettings,
bool& pingPongForward)
{
FrameNumber first = FrameNumber(0);
FrameNumber last = sprite->getLastFrame();
if (docSettings->getLoopAnimation()) {
FrameNumber loopBegin, loopEnd;
docSettings->getLoopRange(&loopBegin, &loopEnd);
if (loopBegin < first) loopBegin = first;
if (loopEnd > last) loopEnd = last;
first = loopBegin;
last = loopEnd;
}
switch (docSettings->getAnimationDirection()) {
case IDocumentSettings::AniDir_Normal:
frame = frame.next();
if (frame > last) frame = first;
break;
case IDocumentSettings::AniDir_Reverse:
frame = frame.previous();
if (frame < first) frame = last;
break;
case IDocumentSettings::AniDir_PingPong:
if (pingPongForward) {
frame = frame.next();
if (frame > last) {
frame = last.previous();
if (frame < first) frame = first;
pingPongForward = false;
}
}
else {
frame = frame.previous();
if (frame < first) {
frame = first.next();
if (frame > last) frame = last;
pingPongForward = true;
}
}
break;
}
return frame;
}
void DocumentApi::copyPreviousFrame(Layer* layer, FrameNumber frame)
{
ASSERT(layer);
ASSERT(frame >= 0);
Sprite* sprite = layer->getSprite();
// create a copy of the previous cel
Cel* src_cel = static_cast<LayerImage*>(layer)->getCel(frame.previous());
Image* src_image = src_cel ? sprite->getStock()->getImage(src_cel->getImage()):
NULL;
// nothing to copy, it will be a transparent cel
if (!src_image)
return;
// copy the image
Image* dst_image = Image::createCopy(src_image);
int image_index = addImageInStock(sprite, dst_image);
// create the new cel
Cel* dst_cel = new Cel(frame, image_index);
if (src_cel) { // copy the data from the previous cel
dst_cel->setPosition(src_cel->getX(), src_cel->getY());
dst_cel->setOpacity(src_cel->getOpacity());
}
// add the cel in the layer
addCel(static_cast<LayerImage*>(layer), dst_cel);
}
void DocumentApi::moveFrameBeforeLayer(Layer* layer, FrameNumber frame, FrameNumber beforeFrame)
{
ASSERT(layer);
switch (layer->getType()) {
case GFXOBJ_LAYER_IMAGE: {
CelIterator it = ((LayerImage*)layer)->getCelBegin();
CelIterator end = ((LayerImage*)layer)->getCelEnd();
for (; it != end; ++it) {
Cel* cel = *it;
FrameNumber newFrame = cel->getFrame();
// moving the frame to the future
if (frame < beforeFrame) {
if (cel->getFrame() == frame) {
newFrame = beforeFrame.previous();
}
else if (cel->getFrame() > frame &&
cel->getFrame() < beforeFrame) {
--newFrame;
}
}
// moving the frame to the past
else if (beforeFrame < frame) {
if (cel->getFrame() == frame) {
newFrame = beforeFrame;
}
else if (cel->getFrame() >= beforeFrame &&
cel->getFrame() < frame) {
++newFrame;
}
}
if (cel->getFrame() != newFrame)
setCelFramePosition(layer->getSprite(), cel, newFrame);
}
break;
}
case GFXOBJ_LAYER_FOLDER: {
LayerIterator it = static_cast<LayerFolder*>(layer)->getLayerBegin();
LayerIterator end = static_cast<LayerFolder*>(layer)->getLayerEnd();
for (; it != end; ++it)
moveFrameBeforeLayer(*it, frame, beforeFrame);
break;
}
}
}
// TODO the DocumentRange should be "iteratable" to replace this function
CelList get_cels_in_range(Sprite* sprite, const DocumentRange& range)
{
CelList cels;
for (LayerIndex layerIdx = range.layerBegin(); layerIdx <= range.layerEnd(); ++layerIdx) {
Layer* layer = sprite->indexToLayer(layerIdx);
if (!layer->isImage())
continue;
LayerImage* layerImage = static_cast<LayerImage*>(layer);
for (FrameNumber frame = range.frameEnd(),
begin = range.frameBegin().previous();
frame != begin;
frame = frame.previous()) {
Cel* cel = layerImage->getCel(frame);
if (cel)
cels.push_back(cel);
}
}
return cels;
}
