115 lines
1.7 KiB
C++
115 lines
1.7 KiB
C++
/*
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* Copyright 2009-2010, Pier Luigi Fiorini. All rights reserved.
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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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* Pier Luigi Fiorini, pierluigi.fiorini@gmail.com
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*/
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#include <Bitmap.h>
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#include <LayoutUtils.h>
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#include <TranslationUtils.h>
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#include "BitmapView.h"
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const float kMinWidth = 32.0f;
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const float kMinHeight = 32.0f;
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BitmapView::BitmapView(const char* name, uint32 flags)
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:
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BView(name, flags | B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE),
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fBitmap(NULL),
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fWidth(kMinWidth),
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fHeight(kMinHeight)
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{
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// Set transparent view color
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SetViewColor(B_TRANSPARENT_COLOR);
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}
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BitmapView::~BitmapView()
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{
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delete fBitmap;
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fBitmap = NULL;
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}
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status_t
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BitmapView::InitCheck()
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{
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if (fBitmap != NULL)
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return B_OK;
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return B_ERROR;
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}
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BBitmap*
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BitmapView::Bitmap() const
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{
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return fBitmap;
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}
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void
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BitmapView::SetBitmap(const char* filename)
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{
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delete fBitmap;
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fBitmap = BTranslationUtils::GetBitmap(filename);
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}
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void
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BitmapView::SetBitmap(BBitmap* bitmap)
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{
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delete fBitmap;
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fBitmap = bitmap;
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if (fBitmap) {
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BRect frame(fBitmap->Bounds());
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fWidth = frame.Width();
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fHeight = frame.Height();
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Invalidate();
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}
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}
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BSize
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BitmapView::MinSize()
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{
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return BLayoutUtils::ComposeSize(ExplicitMinSize(),
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BSize(kMinWidth, kMinHeight));
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}
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BSize
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BitmapView::MaxSize()
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{
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return BLayoutUtils::ComposeSize(ExplicitMaxSize(),
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BSize(fWidth, fHeight));
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}
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BSize
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BitmapView::PreferredSize()
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{
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return BLayoutUtils::ComposeSize(ExplicitPreferredSize(),
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BSize(fWidth, fHeight));
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}
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void
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BitmapView::Draw(BRect frame)
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{
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if (!fBitmap)
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return;
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SetDrawingMode(B_OP_ALPHA);
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SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
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DrawBitmap(fBitmap, fBitmap->Bounds(),
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Bounds(), B_FILTER_BITMAP_BILINEAR);
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}
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