Zardshard
098eaec630
Fixes #2748 Also fixes a comment misstating a function's name and code style. Change-Id: I609a1f1e100ded647818e70b428cedc48cf29036 Reviewed-on: https://review.haiku-os.org/c/haiku/+/6604 Tested-by: Commit checker robot <[email protected]> Reviewed-by: Adrien Destugues <[email protected]>
120 lines
2.0 KiB
C++
120 lines
2.0 KiB
C++
/*
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* Copyright 2006, Haiku.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Stephan Aßmus <[email protected]>
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*/
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#include "IconView.h"
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#include <Bitmap.h>
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#include "ui_defines.h"
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#include "IconRenderer.h"
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// constructor
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IconView::IconView(BRect frame, const char* name)
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: BView(frame, name, B_FOLLOW_LEFT | B_FOLLOW_TOP, B_WILL_DRAW),
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fBitmap(new BBitmap(frame.OffsetToCopy(B_ORIGIN), 0, B_RGB32)),
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fIcon(NULL),
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fRenderer(new IconRenderer(fBitmap)),
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fDirtyIconArea(fBitmap->Bounds()),
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fScale((frame.Width() + 1.0) / 64.0)
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{
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fRenderer->SetScale(fScale);
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#if __HAIKU__
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BSize size(frame.Width(), frame.Height());
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SetExplicitMinSize(size);
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SetExplicitMaxSize(size);
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#endif
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}
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// destructor
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IconView::~IconView()
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{
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SetIcon(NULL);
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delete fRenderer;
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delete fBitmap;
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}
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// #pragma mark -
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// AttachedToWindow
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void
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IconView::AttachedToWindow()
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{
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SetViewColor(B_TRANSPARENT_COLOR);
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rgb_color lc = LowColor();
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fRenderer->SetBackground(agg::rgba8(lc.red, lc.green, lc.blue, 255));
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}
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// Draw
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void
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IconView::Draw(BRect updateRect)
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{
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if (fDirtyIconArea.IsValid()) {
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fRenderer->Render(fDirtyIconArea, false);
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fDirtyIconArea.Set(LONG_MAX, LONG_MAX, LONG_MIN, LONG_MIN);
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}
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// icon
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DrawBitmap(fBitmap, B_ORIGIN);
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}
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// #pragma mark -
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// AreaInvalidated
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void
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IconView::AreaInvalidated(const BRect& area)
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{
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BRect scaledArea(area);
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scaledArea.left *= fScale;
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scaledArea.top *= fScale;
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scaledArea.right *= fScale;
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scaledArea.bottom *= fScale;
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if (fDirtyIconArea.Contains(scaledArea))
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return;
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fDirtyIconArea = fDirtyIconArea | scaledArea;
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Invalidate(scaledArea);
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}
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// #pragma mark -
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// SetIcon
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void
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IconView::SetIcon(Icon* icon)
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{
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if (fIcon == icon)
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return;
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if (fIcon)
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fIcon->RemoveListener(this);
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fIcon = icon;
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fRenderer->SetIcon(icon);
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if (fIcon)
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fIcon->AddListener(this);
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}
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// SetIconBGColor
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void
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IconView::SetIconBGColor(const rgb_color& color)
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{
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SetLowColor(color);
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fRenderer->SetBackground(
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agg::rgba8(color.red, color.green, color.blue, 255));
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fDirtyIconArea = fBitmap->Bounds();
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Invalidate();
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}
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