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FontEditor: Standardize Gfx::RotationDirections for rotate_90()

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This commit is contained in:
thankyouverycool 2022-08-14 13:03:38 -04:00 • committed by Andreas Kling
parent fb00d3ed25
commit d867871bda
3 changed files with 8 additions and 12 deletions
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9
Userland/Applications/FontEditor/GlyphEditorWidget.cpp
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@ -189,21 +189,22 @@ static Vector<Vector<u8>> glyph_as_matrix(Gfx::GlyphBitmap const& bitmap)
return result;
}
void GlyphEditorWidget::rotate_90(Direction direction)
void GlyphEditorWidget::rotate_90(Gfx::RotationDirection direction)
{
if (on_undo_event)
on_undo_event();
auto bitmap = font().raw_glyph(m_glyph).glyph_bitmap();
auto matrix = glyph_as_matrix(bitmap);
auto clockwise = direction == Gfx::RotationDirection::Clockwise;
for (int y = 0; y < bitmap.height(); y++) {
for (int x = 0; x < bitmap.width(); x++) {
int source_x = (direction == Counterclockwise) ? max(bitmap.width() - 1 - y, 0) : y;
int source_y = (direction == Counterclockwise) ? x : bitmap.width() - 1 - x;
int source_x = clockwise ? y : max(bitmap.width() - 1 - y, 0);
int source_y = clockwise ? bitmap.width() - 1 - x : x;
bool value = false;
if (source_x < bitmap.width() && source_y < bitmap.height()) {
value = (direction == Counterclockwise && y >= bitmap.width()) ? false : matrix[source_y][source_x];
value = (!clockwise && y >= bitmap.width()) ? false : matrix[source_y][source_x];
}
bitmap.set_bit_at(x, y, value);
}