885c1d2920
This adds new features (such as themes) alongside fixing numerous bugs. This should be kept up-to-date with upstream more often and changes to it should be PR'd back to its main repo.
73 lines
1.5 KiB
C++
73 lines
1.5 KiB
C++
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#include "widgets/imagebox/imagebox.h"
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ImageBox::ImageBox(Widget* parent) : Widget(parent)
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{
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}
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double ImageBox::GetPreferredWidth() const
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{
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if (image)
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return (double)image->GetWidth();
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else
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return 0.0;
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}
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double ImageBox::GetPreferredHeight() const
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{
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if (image)
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return (double)image->GetHeight();
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else
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return 0.0;
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}
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void ImageBox::SetImage(std::shared_ptr<Image> newImage)
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{
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if (image != newImage)
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{
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image = newImage;
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Update();
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}
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}
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void ImageBox::SetImageMode(ImageBoxMode newMode)
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{
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if (mode != newMode)
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{
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mode = newMode;
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Update();
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}
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}
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void ImageBox::OnPaint(Canvas* canvas)
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{
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if (image)
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{
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if (mode == ImageBoxMode::Center)
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{
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canvas->drawImage(image, Point((GetWidth() - (double)image->GetWidth()) * 0.5, (GetHeight() - (double)image->GetHeight()) * 0.5));
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}
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else if (mode == ImageBoxMode::Contain)
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{
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double bw = GetWidth();
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double bh = GetHeight();
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double iw = image->GetWidth();
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double ih = image->GetHeight();
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double xscale = bw / iw;
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double yscale = bh / ih;
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double scale = std::min(xscale, yscale);
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canvas->drawImage(image, Rect::xywh((bw - iw * scale) * 0.5, (bh - ih * scale) * 0.5, iw * scale, ih * scale));
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}
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else if (mode == ImageBoxMode::Cover)
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{
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double bw = GetWidth();
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double bh = GetHeight();
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double iw = image->GetWidth();
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double ih = image->GetHeight();
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double xscale = bw / iw;
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double yscale = bh / ih;
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double scale = std::max(xscale, yscale);
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canvas->drawImage(image, Rect::xywh((bw - iw * scale) * 0.5, (bh - ih * scale) * 0.5, iw * scale, ih * scale));
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}
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}
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}
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