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https://github.com/RGBCube/serenity
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PixelPaint: Extract common scope code into a generic ScopeWidget
When we add more scopes, this will facilitate code sharing.
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8b60305698
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5 changed files with 86 additions and 45 deletions
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@ -16,25 +16,6 @@ REGISTER_WIDGET(PixelPaint, HistogramWidget);
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namespace PixelPaint {
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HistogramWidget::~HistogramWidget()
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{
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if (m_image)
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m_image->remove_client(*this);
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}
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void HistogramWidget::set_image(Image* image)
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{
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if (m_image == image)
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return;
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if (m_image)
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m_image->remove_client(*this);
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m_image = image;
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if (m_image)
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m_image->add_client(*this);
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(void)rebuild_histogram_data();
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}
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ErrorOr<void> HistogramWidget::rebuild_histogram_data()
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{
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if (!m_image)
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@ -81,16 +62,15 @@ ErrorOr<void> HistogramWidget::rebuild_histogram_data()
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}
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// Scale the frequency values to fit the widgets height.
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m_widget_height = height();
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auto widget_height = height();
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for (int i = 0; i < 256; i++) {
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m_data.red[i] = m_data.red[i] != 0 ? (static_cast<float>(m_data.red[i]) / max_color_frequency) * m_widget_height : 0;
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m_data.green[i] = m_data.green[i] != 0 ? (static_cast<float>(m_data.green[i]) / max_color_frequency) * m_widget_height : 0;
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m_data.blue[i] = m_data.blue[i] != 0 ? (static_cast<float>(m_data.blue[i]) / max_color_frequency) * m_widget_height : 0;
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m_data.brightness[i] = m_data.brightness[i] != 0 ? (static_cast<float>(m_data.brightness[i]) / max_brightness_frequency) * m_widget_height : 0;
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m_data.red[i] = m_data.red[i] != 0 ? (static_cast<float>(m_data.red[i]) / max_color_frequency) * widget_height : 0;
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m_data.green[i] = m_data.green[i] != 0 ? (static_cast<float>(m_data.green[i]) / max_color_frequency) * widget_height : 0;
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m_data.blue[i] = m_data.blue[i] != 0 ? (static_cast<float>(m_data.blue[i]) / max_color_frequency) * widget_height : 0;
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m_data.brightness[i] = m_data.brightness[i] != 0 ? (static_cast<float>(m_data.brightness[i]) / max_brightness_frequency) * widget_height : 0;
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}
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update();
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return {};
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}
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@ -102,7 +82,7 @@ void HistogramWidget::paint_event(GUI::PaintEvent& event)
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if (!m_image)
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return;
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int bottom_line = m_widget_height - 1;
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int bottom_line = height() - 1;
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float step_width = static_cast<float>(width()) / 256;
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Gfx::Path brightness_path;
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@ -153,14 +133,6 @@ void HistogramWidget::paint_event(GUI::PaintEvent& event)
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void HistogramWidget::image_changed()
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{
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(void)rebuild_histogram_data();
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}
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void HistogramWidget::set_color_at_mouseposition(Color color)
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{
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if (m_color_at_mouseposition == color)
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return;
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m_color_at_mouseposition = color;
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update();
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}
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