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);
}
}
gfx::Rect TransformHandles::getPivotHandleBounds(Editor* editor,
const gfx::Transformation& transform,
const gfx::Transformation::Corners& corners)
{
SkinTheme* theme = static_cast<SkinTheme*>(CurrentTheme::get());
gfx::Size partSize = theme->parts.pivotHandle()->getSize();
gfx::Point screenPivotPos = editor->editorToScreen(transform.pivot());
screenPivotPos.x += editor->zoom().apply(1) / 2;
screenPivotPos.y += editor->zoom().apply(1) / 2;
return gfx::Rect(
screenPivotPos.x-partSize.w/2,
screenPivotPos.y-partSize.h/2,
partSize.w,
partSize.h);
}