src/tests/servers/app/painter/BitmapView.cpp

   1 // BitmapView.cpp
   2
   3 #include <stdio.h>
   4
   5 #include <Bitmap.h>
   6
   7 #include "BitmapView.h"
   8
   9 // constructor
  10 BitmapView::BitmapView(BRect frame, const char* name,
  11                                            BBitmap* bitmap)
  12         : BView(frame, name, B_FOLLOW_NONE, B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE),
  13           fBitmap(bitmap)
  14 {
  15         SetViewColor(B_TRANSPARENT_32_BIT);
  16         SetHighColor(255, 0, 0, 255);
  17 }
  18
  19 // destructor
  20 BitmapView::~BitmapView()
  21 {
  22         delete fBitmap;
  23 }
  24
  25 // Draw
  26 void
  27 BitmapView::Draw(BRect updateRect)
  28 {
  29         if (fBitmap) {
  30                 if (fBitmap->ColorSpace() == B_RGBA32) {
  31                         // draw the bitmap with pixel alpha
  32                         // against a red background
  33                         FillRect(updateRect);
  34                         SetDrawingMode(B_OP_ALPHA);
  35                         SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
  36                 }
  37                 DrawBitmap(fBitmap, Bounds().LeftTop());
  38         }
  39 }
  40
  41 // MouseDown
  42 void
  43 BitmapView::MouseDown(BPoint where)
  44 {
  45 }
  46
  47 // MouseUp
  48 void
  49 BitmapView::MouseUp(BPoint where)
  50 {
  51 }
  52
  53 // MouseMoved
  54 void
  55 BitmapView::MouseMoved(BPoint where, uint32 transit,
  56                                            const BMessage* dragMessage)
  57 {
  58 }