コード例 #1
0
ファイル: ColumnTypes.cpp プロジェクト: ModeenF/FtpPositive
void BBitmapColumn::DrawField(BField* field, BRect rect, BView* parent)
{
	BBitmapField *bitmapField = static_cast<BBitmapField *>(field);
	const BBitmap *bitmap = bitmapField->Bitmap();

	if (bitmap != NULL)
	{
		float	x = 0.0;
		float	y;
		BRect	r = bitmap->Bounds();

		y = rect.top + ((rect.Height() - r.Height()) / 2);

		switch (Alignment())
		{
			case B_ALIGN_LEFT:
				x = rect.left + kTEXT_MARGIN;
				break;

			case B_ALIGN_CENTER:
				x = rect.left + ((rect.Width() - r.Width()) / 2);
				break;

			case B_ALIGN_RIGHT:
				x = rect.right - kTEXT_MARGIN - r.Width();
				break;
		}
		parent->SetDrawingMode(B_OP_ALPHA);
		parent->DrawBitmap(bitmap, BPoint(x, y));
		parent->SetDrawingMode(B_OP_OVER);
	}
}
コード例 #2
0
ファイル: ColumnTypes.cpp プロジェクト: dtbinh/Sequitur
void
BBitmapColumn::DrawField(BField* field, BRect rect, BView* parent)
{
	BBitmapField *bitmapField = static_cast<BBitmapField *>(field);
	const BBitmap *bitmap = bitmapField->Bitmap();

	if (bitmap != NULL) {
		float x = 0.0;
		BRect r = bitmap->Bounds();
		float y = rect.top + ((rect.Height() - r.Height()) / 2);

		switch (Alignment()) {
			default:
			case B_ALIGN_LEFT:
				x = rect.left + kTEXT_MARGIN;
				break;

			case B_ALIGN_CENTER:
				x = rect.left + ((rect.Width() - r.Width()) / 2);
				break;

			case B_ALIGN_RIGHT:
				x = rect.right - kTEXT_MARGIN - r.Width();
				break;
		}
		// setup drawing mode according to bitmap color space,
		// restore previous mode after drawing
		drawing_mode oldMode = parent->DrawingMode();
		if (bitmap->ColorSpace() == B_RGBA32
			|| bitmap->ColorSpace() == B_RGBA32_BIG) {
			parent->SetDrawingMode(B_OP_ALPHA);
			parent->SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
		} else {
			parent->SetDrawingMode(B_OP_OVER);
		}

		parent->DrawBitmap(bitmap, BPoint(x, y));

		parent->SetDrawingMode(oldMode);
	}
}