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FontEditor: Add move glyph tool

Browse source 
When toggled on, glyphs can now be repositioned within the glyph
editor by dragging the mouse
This commit is contained in:
thankyouverycool 2021-04-22 14:15:21 -04:00 • committed by Andreas Kling
parent 44cd121e30
commit bada590b91
5 changed files with 101 additions and 8 deletions
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60
Userland/Applications/FontEditor/GlyphEditorWidget.cpp
View file

@ -11,6 +11,9 @@
#include <LibGfx/BitmapFont.h>
#include <LibGfx/Palette.h>
static int x_offset;
static int y_offset;
GlyphEditorWidget::~GlyphEditorWidget()
{
}
@ -153,13 +156,49 @@ void GlyphEditorWidget::paint_event(GUI::PaintEvent& event)
void GlyphEditorWidget::mousedown_event(GUI::MouseEvent& event)
{
draw_at_mouse(event);
if (!(font().raw_glyph_width(m_glyph) > 0))
return;
if (on_undo_event)
on_undo_event(false);
if (mode() == Paint) {
draw_at_mouse(event);
} else {
memset(m_movable_bits, 0, sizeof(m_movable_bits));
auto bitmap = font().glyph(m_glyph).glyph_bitmap();
for (int x = s_max_width; x < s_max_width + bitmap.width(); x++)
for (int y = s_max_height; y < s_max_height + bitmap.height(); y++)
m_movable_bits[x][y] = bitmap.bit_at(x - s_max_width, y - s_max_height);
x_offset = (event.x() - 1) / m_scale;
y_offset = (event.y() - 1) / m_scale;
move_at_mouse(event);
}
}
void GlyphEditorWidget::mouseup_event(GUI::MouseEvent&)
{
if (on_undo_event)
on_undo_event(true);
}
void GlyphEditorWidget::mousemove_event(GUI::MouseEvent& event)
{
if (event.buttons() & (GUI::MouseButton::Left | GUI::MouseButton::Right))
if (!(font().raw_glyph_width(m_glyph) > 0))
return;
if (!(event.buttons() & (GUI::MouseButton::Left | GUI::MouseButton::Right)))
return;
if (mode() == Paint)
draw_at_mouse(event);
else
move_at_mouse(event);
}
void GlyphEditorWidget::enter_event(Core::Event&)
{
if (mode() == Move)
set_override_cursor(Gfx::StandardCursor::Move);
else
set_override_cursor(Gfx::StandardCursor::None);
}
void GlyphEditorWidget::draw_at_mouse(const GUI::MouseEvent& event)
@ -183,6 +222,23 @@ void GlyphEditorWidget::draw_at_mouse(const GUI::MouseEvent& event)
update();
}
void GlyphEditorWidget::move_at_mouse(const GUI::MouseEvent& event)
{
int x_delta = ((event.x() - 1) / m_scale) - x_offset;
int y_delta = ((event.y() - 1) / m_scale) - y_offset;
auto bitmap = font().glyph(m_glyph).glyph_bitmap();
if (abs(x_delta) > bitmap.width() || abs(y_delta) > bitmap.height())
return;
for (int x = 0; x < bitmap.width(); x++) {
for (int y = 0; y < bitmap.height(); y++) {
bitmap.set_bit_at(x, y, m_movable_bits[s_max_width + x - x_delta][s_max_height + y - y_delta]);
}
}
if (on_glyph_altered)
on_glyph_altered(m_glyph);
update();
}
int GlyphEditorWidget::preferred_width() const
{
return frame_thickness() * 2 + font().max_glyph_width() * m_scale - 1;