bool MovingCelState::onMouseMove(Editor* editor, MouseMessage* msg)
{
gfx::Point newCursorPos = editor->screenToEditor(msg->position());
m_celOffset = newCursorPos - m_cursorStart;
if (int(editor->getCustomizationDelegate()
->getPressedKeyAction(KeyContext::TranslatingSelection) & KeyAction::LockAxis)) {
if (ABS(m_celOffset.x) < ABS(m_celOffset.y)) {
m_celOffset.x = 0;
}
else {
m_celOffset.y = 0;
}
}
for (size_t i=0; i<m_celList.size(); ++i) {
Cel* cel = m_celList[i];
const gfx::Point& celStart = m_celStarts[i];
cel->setPosition(celStart + m_celOffset);
}
// Redraw the new cel position.
editor->invalidate();
// Use StandbyState implementation
return StandbyState::onMouseMove(editor, msg);
}
/**
* Returns a new layer (flat_layer) with all "layer" rendered frame by
* frame from "frmin" to "frmax" (inclusive). "layer" can be a set of
* layers, so the routine flattens all children to an unique output
* layer.
*
* @param dst_sprite The sprite where to put the new flattened layer.
* @param src_layer Generally a set of layers to be flattened.
*/
LayerImage* layer_new_flatten_copy(Sprite* dst_sprite, const Layer* src_layer,
int x, int y, int w, int h, int frmin, int frmax)
{
UniquePtr<LayerImage> flatLayer(new LayerImage(dst_sprite));
for (int frame=frmin; frame<=frmax; frame++) {
// Does this frame have cels to render?
if (has_cels(src_layer, frame)) {
// Create a new image
Image* image = image_new(flatLayer->getSprite()->getImgType(), w, h);
try {
// Create the new cel for the output layer (add the image to stock too).
Cel* cel = new Cel(frame, flatLayer->getSprite()->getStock()->addImage(image));
cel->setPosition(x, y);
// Clear the image and render this frame.
image_clear(image, 0);
layer_render(src_layer, image, -x, -y, frame);
flatLayer->addCel(cel);
}
catch (...) {
delete image;
throw;
}
}
}
return flatLayer.release();
}
// static
Cel* Cel::createCopy(const Cel* other)
{
Cel* cel = new Cel(other->frame(),
ImageRef(Image::createCopy(other->image())));
cel->setPosition(other->position());
cel->setOpacity(other->opacity());
return cel;
}
bool MovingCelState::onMouseUp(Editor* editor, MouseMessage* msg)
{
Document* document = editor->document();
// Here we put back the cel into its original coordinate (so we can
// add an undoer before).
if (m_celOffset != gfx::Point(0, 0)) {
// Put the cels in the original position.
for (size_t i=0; i<m_celList.size(); ++i) {
Cel* cel = m_celList[i];
const gfx::Point& celStart = m_celStarts[i];
cel->setPosition(celStart);
}
// If the user didn't cancel the operation...
if (!m_canceled) {
ContextWriter writer(UIContext::instance(), 500);
Transaction transaction(writer.context(), "Cel Movement", ModifyDocument);
DocumentApi api = document->getApi(transaction);
// And now we move the cel (or all selected range) to the new position.
for (Cel* cel : m_celList) {
api.setCelPosition(writer.sprite(), cel,
cel->x() + m_celOffset.x,
cel->y() + m_celOffset.y);
}
// Move selection if it was visible
if (m_maskVisible)
api.setMaskPosition(document->mask()->bounds().x + m_celOffset.x,
document->mask()->bounds().y + m_celOffset.y);
transaction.commit();
}
// Redraw all editors. We've to notify all views about this
// general update because MovingCelState::onMouseMove() redraws
// only the cels in the current editor. And at this point we'd
// like to update all the editors.
document->notifyGeneralUpdate();
}
// Restore the mask visibility.
if (m_maskVisible) {
document->setMaskVisible(m_maskVisible);
document->generateMaskBoundaries();
}
editor->backToPreviousState();
editor->releaseMouse();
return true;
}
// Gives to the user the possibility to move the sprite's layer in the
// current editor, returns true if the position was changed.
int interactive_move_layer(int mode, bool use_undo, int (*callback)())
{
Editor* editor = current_editor;
Document* document = editor->getDocument();
undo::UndoHistory* undo = document->getUndoHistory();
Sprite* sprite = document->getSprite();
ASSERT(sprite->getCurrentLayer()->is_image());
LayerImage* layer = static_cast<LayerImage*>(sprite->getCurrentLayer());
Cel *cel = layer->getCel(sprite->getCurrentFrame());
int start_x, new_x;
int start_y, new_y;
int start_b;
int ret;
int update = false;
int quiet_clock = -1;
int first_time = true;
int begin_x;
int begin_y;
if (!cel)
return false;
begin_x = cel->getX();
begin_y = cel->getY();
editor->hideDrawingCursor();
jmouse_set_cursor(JI_CURSOR_MOVE);
editor->editor_click_start(mode, &start_x, &start_y, &start_b);
do {
if (update) {
cel->setPosition(begin_x - start_x + new_x,
begin_y - start_y + new_y);
// Update layer-bounds.
editor->invalidate();
// Update status bar.
app_get_statusbar()->setStatusText
(0,
"Pos %3d %3d Offset %3d %3d",
(int)cel->getX(),
(int)cel->getY(),
(int)(cel->getX() - begin_x),
(int)(cel->getY() - begin_y));
/* update clock */
quiet_clock = ji_clock;
first_time = false;
}
/* call the user's routine */
if (callback)
(*callback)();
/* redraw dirty widgets */
jwidget_flush_redraw(ji_get_default_manager());
jmanager_dispatch_messages(ji_get_default_manager());
gui_feedback();
} while (editor->editor_click(&new_x, &new_y, &update, NULL));
new_x = cel->getX();
new_y = cel->getY();
cel->setPosition(begin_x, begin_y);
/* the position was changed */
if (!editor->editor_click_cancel()) {
if (use_undo && undo->isEnabled()) {
undo->setLabel("Cel Movement");
undo->setModification(undo::ModifyDocument);
undo->pushUndoer(new undoers::SetCelPosition(undo->getObjects(), cel));
}
cel->setPosition(new_x, new_y);
ret = true;
}
/* the position wasn't changed */
else {
ret = false;
}
/* redraw the sprite in all editors */
update_screen_for_document(document);
/* restore the cursor */
editor->showDrawingCursor();
editor->editor_click_done();
return ret;
}
bool PixlyFormat::onLoad(FileOp* fop)
{
try {
// load XML metadata
XmlDocumentRef doc = open_xml(fop->filename());
TiXmlHandle xml(doc.get());
fop->setProgress(0.25);
TiXmlElement* xmlAnim = check(xml.FirstChild("PixlyAnimation").ToElement());
double version = check_number<double>(xmlAnim->Attribute("version"));
if (version < 1.5) {
throw Exception("version 1.5 or above required");
}
TiXmlElement* xmlInfo = check(xmlAnim->FirstChild("Info"))->ToElement();
int layerCount = check_number<int>(xmlInfo->Attribute("layerCount"));
int frameWidth = check_number<int>(xmlInfo->Attribute("frameWidth"));
int frameHeight = check_number<int>(xmlInfo->Attribute("frameHeight"));
UniquePtr<Sprite> sprite(new Sprite(IMAGE_RGB, frameWidth, frameHeight, 0));
TiXmlElement* xmlFrames = check(xmlAnim->FirstChild("Frames"))->ToElement();
int imageCount = check_number<int>(xmlFrames->Attribute("length"));
if (layerCount <= 0 || imageCount <= 0) {
throw Exception("No cels found");
}
int frameCount = imageCount / layerCount;
sprite->setTotalFrames(frame_t(frameCount));
sprite->setDurationForAllFrames(200);
for (int i=0; i<layerCount; i++) {
sprite->folder()->addLayer(new LayerImage(sprite));
}
// load image sheet
Document* sheet_doc = load_document(nullptr, base::replace_extension(fop->filename(),"png").c_str());
fop->setProgress(0.5);
if (sheet_doc == NULL) {
throw Exception("Pixly loader requires a valid PNG file");
}
Image* sheet = sheet_doc->sprite()->layer(0)->cel(0)->image();
if (sheet->pixelFormat() != IMAGE_RGB) {
throw Exception("Pixly loader requires a RGBA PNG");
}
int sheetWidth = sheet->width();
int sheetHeight = sheet->height();
// slice cels from sheet
std::vector<int> visible(layerCount, 0);
TiXmlElement* xmlFrame = check(xmlFrames->FirstChild("Frame"))->ToElement();
while (xmlFrame) {
TiXmlElement* xmlRegion = check(xmlFrame->FirstChild("Region"))->ToElement();
TiXmlElement* xmlIndex = check(xmlFrame->FirstChild("Index"))->ToElement();
int index = check_number<int>(xmlIndex->Attribute("linear"));
frame_t frame(index / layerCount);
LayerIndex layer_index(index % layerCount);
Layer *layer = sprite->indexToLayer(layer_index);
const char * duration = xmlFrame->Attribute("duration");
if (duration) {
sprite->setFrameDuration(frame, base::convert_to<int>(std::string(duration)));
}
visible[(int)layer_index] += (int)(std::string(check(xmlFrame->Attribute("visible"),"false")) == "true");
int x0 = check_number<int>(xmlRegion->Attribute("x"));
int y0_up = check_number<int>(xmlRegion->Attribute("y")); // inverted
if (y0_up < 0 || y0_up + frameHeight > sheetHeight || x0 < 0 || x0 + frameWidth > sheetWidth) {
throw Exception("looking for cels outside the bounds of the PNG");
}
// read cel images
ImageRef image(Image::create(IMAGE_RGB, frameWidth, frameHeight));
for (int y = 0; y < frameHeight; y++) {
// RGB_ALPHA
int y0_down = sheetHeight-1 - y0_up - (frameHeight-1) + y;
uint32_t* src_begin = (uint32_t*)sheet->getPixelAddress(x0 , y0_down);
uint32_t* src_end = (uint32_t*)sheet->getPixelAddress(x0+frameWidth, y0_down);
uint32_t* dst_begin = (uint32_t*)image->getPixelAddress(0, y);
std::copy(src_begin, src_end, dst_begin);
}
// make cel trimmed or empty
gfx::Rect bounds;
if (algorithm::shrink_bounds(image.get(), bounds, image->maskColor())) {
ImageRef trim_image(crop_image(image.get(),
bounds.x, bounds.y,
bounds.w, bounds.h,
image->maskColor()));
Cel* cel = NULL;
if ((int)frame > 0) {
// link identical neighbors
Cel *prev_cel = static_cast<LayerImage*>(layer)->cel(frame-1);
if (prev_cel && prev_cel->x() == bounds.x && prev_cel->y() == bounds.y) {
Image *prev_image = prev_cel->image();
if (prev_image && doc::count_diff_between_images(prev_image, trim_image.get()) == 0) {
cel = Cel::createLink(prev_cel);
cel->setFrame(frame);
} // count_diff_between_images
} // prev_cel
} // frame > 0
if (cel == NULL) {
cel = new Cel(frame, trim_image);
cel->setPosition(bounds.x, bounds.y);
}
static_cast<LayerImage*>(layer)->addCel(cel);
}
xmlFrame = xmlFrame->NextSiblingElement();
fop->setProgress(0.5 + 0.5 * ((float)(index+1) / (float)imageCount));
}
for (int i=0; i<layerCount; i++) {
LayerIndex layer_index(i);
Layer *layer = sprite->indexToLayer(layer_index);
layer->setVisible(visible[i] > frameCount/2);
}
fop->createDocument(sprite);
sprite.release();
}
catch(Exception &e) {
fop->setError((std::string("Pixly file format: ")+std::string(e.what())+"\n").c_str());
return false;
}
return true;
}