void UndoTransaction::moveFrameBefore(int frame, int before_frame)
{
if (frame != before_frame &&
frame >= 0 &&
frame < m_sprite->getTotalFrames() &&
before_frame >= 0 &&
before_frame < m_sprite->getTotalFrames()) {
// change the frame-lengths...
int frlen_aux = m_sprite->getFrameDuration(frame);
// moving the frame to the future
if (frame < before_frame) {
for (int c=frame; c<before_frame-1; c++)
setFrameDuration(c, m_sprite->getFrameDuration(c+1));
setFrameDuration(before_frame-1, frlen_aux);
}
// moving the frame to the past
else if (before_frame < frame) {
for (int c=frame; c>before_frame; c--)
setFrameDuration(c, m_sprite->getFrameDuration(c-1));
setFrameDuration(before_frame, frlen_aux);
}
// change the cels of position...
moveFrameBeforeLayer(m_sprite->getFolder(), frame, before_frame);
}
}
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);
}
}
void UndoTransaction::moveFrameBeforeLayer(Layer* layer, int frame, int before_frame)
{
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;
int new_frame = cel->getFrame();
// moving the frame to the future
if (frame < before_frame) {
if (cel->getFrame() == frame) {
new_frame = before_frame-1;
}
else if (cel->getFrame() > frame &&
cel->getFrame() < before_frame) {
new_frame--;
}
}
// moving the frame to the past
else if (before_frame < frame) {
if (cel->getFrame() == frame) {
new_frame = before_frame;
}
else if (cel->getFrame() >= before_frame &&
cel->getFrame() < frame) {
new_frame++;
}
}
if (cel->getFrame() != new_frame)
setCelFramePosition(cel, new_frame);
}
break;
}
case GFXOBJ_LAYER_FOLDER: {
LayerIterator it = static_cast<LayerFolder*>(layer)->get_layer_begin();
LayerIterator end = static_cast<LayerFolder*>(layer)->get_layer_end();
for (; it != end; ++it)
moveFrameBeforeLayer(*it, frame, before_frame);
break;
}
}
}
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;
}
}
}
