void BitmapView::Draw(BRect updateRect)
{
SetDrawingMode(B_OP_ALPHA);
DrawBitmap(m_bitmap);
}
void
DataView::DrawSelectionFrame(view_focus which)
{
if (fFileSize == 0)
return;
bool drawBlock = false;
bool drawLastLine = false;
BRect block, lastLine;
int32 spacing = 0;
if (which == kAsciiFocus)
spacing++;
// draw first line
int32 start = fStart % kBlockSize;
int32 first = (fStart / kBlockSize) * kBlockSize;
int32 end = fEnd;
if (end > first + (int32)kBlockSize - 1)
end = first + kBlockSize - 1;
BRect firstLine = SelectionFrame(which, first + start, end);
firstLine.right += spacing;
first += kBlockSize;
// draw block (and last line) if necessary
end = fEnd % kBlockSize;
int32 last = (fEnd / kBlockSize) * kBlockSize;
if (last >= first) {
if (end == kBlockSize - 1)
last += kBlockSize;
if (last > first) {
block = SelectionFrame(which, first, last - 1);
block.right += spacing;
drawBlock = true;
}
if (end != kBlockSize - 1) {
lastLine = SelectionFrame(which, last, last + end);
lastLine.right += spacing;
drawLastLine = true;
}
}
SetDrawingMode(B_OP_INVERT);
BeginLineArray(8);
// +*******
// | *
// +------+
const rgb_color color = {0, 0, 0};
float bottom;
if (drawBlock)
bottom = block.bottom;
else
bottom = firstLine.bottom;
AddLine(BPoint(firstLine.left + 1, firstLine.top), firstLine.RightTop(), color);
AddLine(BPoint(firstLine.right, firstLine.top + 1), BPoint(firstLine.right, bottom), color);
// *-------+
// * |
// *********
BRect rect;
if (start == 0 || (!drawBlock && !drawLastLine))
rect = firstLine;
else if (drawBlock)
rect = block;
else
rect = lastLine;
if (drawBlock)
rect.bottom = block.bottom;
if (drawLastLine) {
rect.bottom = lastLine.bottom;
rect.right = lastLine.right;
}
rect.bottom++;
AddLine(rect.LeftTop(), rect.LeftBottom(), color);
AddLine(BPoint(rect.left + 1, rect.bottom), rect.RightBottom(), color);
// *--------+
// * |
// +**** |
// | |
if (start && (drawLastLine || drawBlock)) {
AddLine(firstLine.LeftTop(), firstLine.LeftBottom(), color);
float right = firstLine.left;
if (!drawBlock && right > lastLine.right)
right = lastLine.right;
AddLine(BPoint(rect.left + 1, rect.top), BPoint(right, rect.top), color);
}
// | |
// | *****
// | *
// +--------+
if (drawLastLine) {
AddLine(lastLine.RightBottom(), BPoint(lastLine.right, lastLine.top + 1), color);
if (!drawBlock && lastLine.right <= firstLine.left)
lastLine.right = firstLine.left + (lastLine.right < firstLine.left ? 0 : 1);
AddLine(BPoint(lastLine.right, lastLine.top), BPoint(firstLine.right, lastLine.top), color);
}
EndLineArray();
SetDrawingMode(B_OP_COPY);
}
