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			98 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include "GlyphEditorWidget.h"
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| #include <LibGUI/GPainter.h>
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| 
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| GlyphEditorWidget::GlyphEditorWidget(Font& mutable_font, GWidget* parent)
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|     : GFrame(parent)
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|     , m_font(mutable_font)
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| {
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|     set_frame_thickness(2);
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|     set_frame_shadow(FrameShadow::Sunken);
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|     set_frame_shape(FrameShape::Container);
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|     set_relative_rect({ 0, 0, preferred_width(), preferred_height() });
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| }
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| 
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| GlyphEditorWidget::~GlyphEditorWidget()
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| {
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| }
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| 
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| void GlyphEditorWidget::set_glyph(byte glyph)
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| {
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|     if (m_glyph == glyph)
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|         return;
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|     m_glyph = glyph;
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|     update();
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| }
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| 
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| void GlyphEditorWidget::paint_event(GPaintEvent& event)
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| {
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|     GFrame::paint_event(event);
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| 
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|     GPainter painter(*this);
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|     painter.add_clip_rect(frame_inner_rect());
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|     painter.add_clip_rect(event.rect());
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|     painter.fill_rect(frame_inner_rect(), Color::White);
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|     painter.translate(frame_thickness(), frame_thickness());
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| 
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|     painter.translate(-1, -1);
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|     for (int y = 1; y < font().glyph_height(); ++y)
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|         painter.draw_line({ 0, y * m_scale }, { font().max_glyph_width() * m_scale, y * m_scale }, Color::Black);
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| 
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|     for (int x = 1; x < font().max_glyph_width(); ++x)
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|         painter.draw_line({ x * m_scale, 0 }, { x * m_scale, font().glyph_height() * m_scale }, Color::Black);
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| 
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|     auto bitmap = font().glyph_bitmap(m_glyph);
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| 
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|     for (int y = 0; y < font().glyph_height(); ++y) {
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|         for (int x = 0; x < font().max_glyph_width(); ++x) {
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|             Rect rect { x * m_scale, y * m_scale, m_scale, m_scale };
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|             if (x >= font().glyph_width(m_glyph)) {
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|                 painter.fill_rect(rect, Color::MidGray);
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|             } else {
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|                 if (bitmap.bit_at(x, y))
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|                     painter.fill_rect(rect, Color::Black);
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|             }
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|         }
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|     }
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| }
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| 
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| void GlyphEditorWidget::mousedown_event(GMouseEvent& event)
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| {
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|     draw_at_mouse(event);
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| }
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| 
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| void GlyphEditorWidget::mousemove_event(GMouseEvent& event)
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| {
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|     if (event.buttons() & (GMouseButton::Left | GMouseButton::Right))
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|         draw_at_mouse(event);
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| }
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| 
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| void GlyphEditorWidget::draw_at_mouse(const GMouseEvent& event)
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| {
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|     bool set = event.buttons() & GMouseButton::Left;
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|     bool unset = event.buttons() & GMouseButton::Right;
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|     if (!(set ^ unset))
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|         return;
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|     int x = (event.x() - 1) / m_scale;
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|     int y = (event.y() - 1) / m_scale;
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|     auto bitmap = font().glyph_bitmap(m_glyph);
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|     if (x >= bitmap.width())
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|         return;
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|     if (y >= bitmap.height())
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|         return;
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|     if (bitmap.bit_at(x, y) == set)
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|         return;
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|     bitmap.set_bit_at(x, y, set);
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|     if (on_glyph_altered)
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|         on_glyph_altered(m_glyph);
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|     update();
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| }
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| 
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| int GlyphEditorWidget::preferred_width() const
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| {
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|     return frame_thickness() * 2 + font().max_glyph_width() * m_scale - 1;
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| }
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| 
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| int GlyphEditorWidget::preferred_height() const
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| {
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|     return frame_thickness() * 2 + font().glyph_height() * m_scale - 1;
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| }
 | 
