void TransformHandles::invalidateHandles(Editor* editor, const gfx::Transformation& transform)
{
SkinTheme* theme = static_cast<SkinTheme*>(CurrentTheme::get());
fixmath::fixed angle = fixmath::ftofix(128.0 * transform.angle() / PI);
gfx::Transformation::Corners corners;
transform.transformBox(corners);
std::vector<gfx::Point> screenPoints(corners.size());
for (size_t c=0; c<corners.size(); ++c)
screenPoints[c] = editor->editorToScreen(
gfx::Point((int)corners[c].x, (int)corners[c].y));
// Invalidate each corner handle.
for (size_t c=0; c<HANDLES; ++c) {
she::Surface* part = theme->parts.transformationHandle()->getBitmap(0);
int u = (screenPoints[handles_info[c].i1].x+screenPoints[handles_info[c].i2].x)/2;
int v = (screenPoints[handles_info[c].i1].y+screenPoints[handles_info[c].i2].y)/2;
adjustHandle(u, v, part->width(), part->height(), angle + handles_info[c].angle);
editor->invalidateRect(gfx::Rect(u, v, part->width(), part->height()));
}
// Invalidate area where the pivot is.
if (visiblePivot(angle)) {
gfx::Rect pivotBounds = getPivotHandleBounds(editor, transform, corners);
she::Surface* part = theme->parts.pivotHandle()->getBitmap(0);
editor->invalidateRect(
gfx::Rect(pivotBounds.x, pivotBounds.y,
part->width(), part->height()));
}
}
void TransformHandles::drawHandles(Editor* editor, const gfx::Transformation& transform)
{
ScreenGraphics g;
fixmath::fixed angle = fixmath::ftofix(128.0 * transform.angle() / PI);
gfx::Transformation::Corners corners;
transform.transformBox(corners);
std::vector<gfx::Point> screenPoints(corners.size());
for (size_t c=0; c<corners.size(); ++c)
screenPoints[c] = editor->editorToScreen(
gfx::Point((int)corners[c].x, (int)corners[c].y));
// TODO DO NOT COMMIT
#if 0 // Uncomment this if you want to see the bounds in red (only for debugging purposes)
// -----------------------------------------------
{
gfx::Point
a(transform.bounds().getOrigin()),
b(transform.bounds().getPoint2());
a = editor->editorToScreen(a);
b = editor->editorToScreen(b);
g.drawRect(gfx::rgba(255, 0, 0), gfx::Rect(a, b));
a = transform.pivot();
a = editor->editorToScreen(a);
g.drawRect(gfx::rgba(255, 0, 0), gfx::Rect(a.x-2, a.y-2, 5, 5));
}
// -----------------------------------------------
#endif
// Draw corner handle
for (size_t c=0; c<HANDLES; ++c) {
drawHandle(&g,
(screenPoints[handles_info[c].i1].x+screenPoints[handles_info[c].i2].x)/2,
(screenPoints[handles_info[c].i1].y+screenPoints[handles_info[c].i2].y)/2,
angle + handles_info[c].angle);
}
// Draw the pivot
if (visiblePivot(angle)) {
gfx::Rect pivotBounds = getPivotHandleBounds(editor, transform, corners);
SkinTheme* theme = static_cast<SkinTheme*>(CurrentTheme::get());
she::Surface* part = theme->parts.pivotHandle()->getBitmap(0);
g.drawRgbaSurface(part, pivotBounds.x, pivotBounds.y);
}
}
void set_pivot_from_preferences(gfx::Transformation& t)
{
gfx::Transformation::Corners corners;
t.transformBox(corners);
gfx::PointT<double> nw(corners[gfx::Transformation::Corners::LEFT_TOP]);
gfx::PointT<double> ne(corners[gfx::Transformation::Corners::RIGHT_TOP]);
gfx::PointT<double> sw(corners[gfx::Transformation::Corners::LEFT_BOTTOM]);
gfx::PointT<double> se(corners[gfx::Transformation::Corners::RIGHT_BOTTOM]);
gfx::PointT<double> pivotPos((nw + se) / 2);
app::gen::PivotPosition pivot = Preferences::instance().selection.pivotPosition();
switch (pivot) {
case app::gen::PivotPosition::NORTHWEST:
pivotPos = nw;
break;
case app::gen::PivotPosition::NORTH:
pivotPos = (nw + ne) / 2.0;
break;
case app::gen::PivotPosition::NORTHEAST:
pivotPos = ne;
break;
case app::gen::PivotPosition::WEST:
pivotPos = (nw + sw) / 2.0;
break;
case app::gen::PivotPosition::EAST:
pivotPos = (ne + se) / 2.0;
break;
case app::gen::PivotPosition::SOUTHWEST:
pivotPos = sw;
break;
case app::gen::PivotPosition::SOUTH:
pivotPos = (sw + se) / 2.0;
break;
case app::gen::PivotPosition::SOUTHEAST:
pivotPos = se;
break;
}
t.displacePivotTo(gfx::PointF(pivotPos));
}