// ContextObserver
void onActiveSiteChange(const doc::Site& site) override {
if (m_document == site.document())
return;
attachDocument(
static_cast<app::Document*>(
const_cast<doc::Document*>(site.document())));
}
void StatusBar::onActiveSiteChange(const doc::Site& site)
{
if (site.document() && site.sprite()) {
m_hasDoc = true;
m_commandsBox->setVisible(true);
// Current frame
m_currentFrame->setTextf("%d", site.frame()+1);
// Cel opacity
const Cel* cel;
if (site.sprite()->supportAlpha() &&
site.layer() &&
site.layer()->isImage() &&
!site.layer()->isBackground() &&
(cel = site.layer()->cel(site.frame()))) {
m_slider->setValue(MID(0, cel->opacity(), 255));
m_slider->setEnabled(true);
}
else {
m_slider->setValue(255);
m_slider->setEnabled(false);
}
}
else {
m_hasDoc = false;
m_commandsBox->setVisible(false);
}
}
void StatusBar::onActiveSiteChange(const doc::Site& site)
{
if (m_doc && site.document() != m_doc) {
m_doc->removeObserver(this);
m_doc = nullptr;
}
if (site.document() && site.sprite()) {
if (!m_doc) {
m_doc = const_cast<doc::Document*>(site.document());
m_doc->addObserver(this);
}
else {
ASSERT(m_doc == site.document());
}
m_docControls->setVisible(true);
showSnapToGridWarning(
Preferences::instance().document(
static_cast<app::Document*>(m_doc)).grid.snap());
// Current frame
m_currentFrame->setTextf("%d", site.frame()+1);
}
else {
ASSERT(m_doc == nullptr);
m_docControls->setVisible(false);
showSnapToGridWarning(false);
}
layout();
}
void ColorPicker::pickColor(const doc::Site& site,
const gfx::PointF& _pos,
const render::Projection& proj,
const Mode mode)
{
const doc::Sprite* sprite = site.sprite();
gfx::PointF pos = _pos;
m_alpha = 255;
m_color = app::Color::fromMask();
// Check tiled mode
if (sprite && site.document()) {
const app::Document* doc = static_cast<const app::Document*>(site.document());
DocumentPreferences& docPref = Preferences::instance().document(doc);
pos = wrap_pointF(docPref.tiled.mode(),
site.sprite()->size(), pos);
}
// Get the color from the image
switch (mode) {
// Pick from the composed image
case FromComposition: {
m_color = app::Color::fromImage(
sprite->pixelFormat(),
render::get_sprite_pixel(sprite, pos.x, pos.y,
site.frame(), proj));
doc::CelList cels;
sprite->pickCels(pos.x, pos.y, site.frame(), 128,
sprite->allVisibleLayers(), cels);
if (!cels.empty())
m_layer = cels.front()->layer();
break;
}
// Pick from the current layer
case FromActiveLayer: {
const Cel* cel = site.cel();
if (cel) {
doc::color_t imageColor;
if (!get_cel_pixel(cel, pos.x, pos.y,
site.frame(), imageColor))
return;
const doc::Image* image = cel->image();
switch (image->pixelFormat()) {
case IMAGE_RGB:
m_alpha = doc::rgba_geta(imageColor);
break;
case IMAGE_GRAYSCALE:
m_alpha = doc::graya_geta(imageColor);
break;
}
m_color = app::Color::fromImage(image->pixelFormat(), imageColor);
m_layer = const_cast<Layer*>(site.layer());
}
break;
}
case FromFirstReferenceLayer: {
doc::CelList cels;
sprite->pickCels(pos.x, pos.y, site.frame(), 128,
sprite->allVisibleReferenceLayers(), cels);
for (const Cel* cel : cels) {
doc::color_t imageColor;
if (get_cel_pixel(cel, pos.x, pos.y,
site.frame(), imageColor)) {
m_color = app::Color::fromImage(
cel->image()->pixelFormat(), imageColor);
m_layer = cel->layer();
break;
}
}
break;
}
}
}