src/libs/print/libprint/PagesView.cpp

   1 #include "PagesView.h"
   2
   3 static const float kWidth  = 80;
   4 static const float kHeight = 30;
   5
   6 static const float kPageWidth  = 16;
   7 static const float kPageHeight = 16;
   8
   9 static const float kPageHorizontalIndent = 7;
  10 static const float kPageVerticalIndent = 5;
  11
  12 PagesView::PagesView(BRect frame, const char* name, uint32 resizeMask, uint32 flags)
  13         :       BView(frame, name, resizeMask, flags),
  14                 fCollate(false),
  15                 fReverse(false)
  16 {
  17         SetViewColor(B_TRANSPARENT_COLOR);
  18 }
  19
  20 void PagesView::GetPreferredSize(float *width, float *height)
  21 {
  22         *width  = kWidth;
  23         *height = kHeight;
  24 }
  25
  26 void PagesView::Draw(BRect rect)
  27 {
  28         rgb_color backgroundColor = {255, 255, 255};
  29         // inherit view color from parent if available
  30         if (Parent() != NULL) {
  31                 backgroundColor = Parent()->ViewColor();
  32         }
  33         SetHighColor(backgroundColor);
  34         FillRect(rect);
  35
  36         BFont font(be_plain_font);
  37         font.SetSize(8);
  38         SetFont(&font);
  39
  40         BPoint position(3, 3);
  41         if (fCollate) {
  42                 BPoint next(kPageWidth + kPageHorizontalIndent * 2 + 10, 0);
  43                 _DrawPages(position, 1, 3);
  44                 position += next;
  45                 _DrawPages(position, 1, 3);
  46         } else {
  47                 BPoint next(kPageWidth + kPageHorizontalIndent * 1 + 10, 0);
  48                 for (int i = 1; i <= 3; i ++) {
  49                         int page = fReverse ? 4 - i : i;
  50                         _DrawPages(position, page, 2);
  51                         position += next;
  52                 }
  53         }
  54 }
  55
  56 void PagesView::_DrawPages(BPoint position, int number, int count)
  57 {
  58         position.x += kPageHorizontalIndent * (count - 1);
  59         BPoint next(-kPageHorizontalIndent, kPageVerticalIndent);
  60         if (fCollate) {
  61                 for (int i = 0; i < count; i ++) {
  62                         int page;
  63                         if (fReverse) {
  64                                 page = 1 + i;
  65                         } else {
  66                                 page = count - i;
  67                         }
  68                         _DrawPage(position, page);
  69                         position += next;
  70                 }
  71         } else {
  72                 for (int i = 0; i < count; i ++) {
  73                         _DrawPage(position, number);
  74                         position += next;
  75                 }
  76         }
  77 }
  78
  79 void PagesView::_DrawPage(BPoint position, int number)
  80 {
  81         const rgb_color pageBackgroundColor = {255, 255, 255};
  82         const rgb_color pageBorderColor = {0, 0, 0};
  83         const rgb_color pageNumberColor = {0, 0, 0};
  84
  85         BPoint page[5];
  86         page[0].x = position.x + 3;
  87         page[0].y = position.y;
  88         page[4].x = position.x;
  89         page[4].y = position.y + 3;
  90         page[1].x = position.x + kPageWidth - 1;
  91         page[1].y = position.y;
  92         page[2].x = position.x + kPageWidth - 1;
  93         page[2].y = position.y + kPageHeight - 1;
  94         page[3].x = position.x;
  95         page[3].y = position.y + kPageHeight - 1;
  96
  97         SetHighColor(pageBackgroundColor);
  98         FillPolygon(page, 5);
  99
 100         SetHighColor(pageBorderColor);
 101         StrokePolygon(page, 5);
 102         StrokeLine(position + BPoint(3, 1), position + BPoint(3, 3));
 103         StrokeLine(position + BPoint(3, 3), position + BPoint(1, 3));
 104
 105         SetHighColor(pageNumberColor);
 106         SetLowColor(pageBackgroundColor);
 107         DrawChar('0' + number,
 108                 position +
 109                 BPoint(kPageWidth - kPageHorizontalIndent + 1, kPageHeight - 2));
 110 }
 111
 112 void PagesView::SetCollate(bool collate)
 113 {
 114         fCollate = collate;
 115         Invalidate();
 116 }
 117
 118 void PagesView::SetReverse(bool reverse)
 119 {
 120         fReverse = reverse;
 121         Invalidate();
 122 }