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/*
* Copyright (C) 2011 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Jay Taoko <jaytaoko@inalogic.com>
*
*/
#include "LineSeparator.h"
namespace unity
{
HSeparator::HSeparator(nux::Color const& color, float alpha0, float alpha1, int border, NUX_FILE_LINE_DECL)
: nux::View(NUX_FILE_LINE_PARAM)
, color_(color)
, alpha0_(alpha0)
, alpha1_(alpha1)
, border_size_(border)
{
SetMinimumHeight(1);
SetMaximumHeight(1);
}
HSeparator::HSeparator(NUX_FILE_LINE_DECL)
: HSeparator(nux::color::White, 0.0f, 0.10f, 0)
{}
void HSeparator::Draw(nux::GraphicsEngine &GfxContext, bool force_draw)
{
nux::Geometry const& base = GetGeometry();
int y0 = base.y + base.GetHeight() / 2;
unsigned int alpha = 0, src = 0, dest = 0;
GfxContext.GetRenderStates().GetBlend(alpha, src, dest);
nux::GetGraphicsDisplay()->GetGraphicsEngine()->GetRenderStates().SetBlend(true, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
if (base.GetWidth() - 2 * border_size_ > 0)
{
nux::Color color0 = color_ * alpha0_;
nux::Color color1 = color_ * alpha1_;
nux::GetPainter().Draw2DLine(GfxContext, base.x, y0, base.x + border_size_, y0, color0, color1);
nux::GetPainter().Draw2DLine(GfxContext, base.x + border_size_, y0, base.x + base.GetWidth() - border_size_, y0, color1, color1);
nux::GetPainter().Draw2DLine(GfxContext, base.x + base.GetWidth() - border_size_, y0, base.x + base.GetWidth(), y0, color1, color0);
}
else
{
nux::Color color1 = color_ * alpha1_;
nux::GetPainter().Draw2DLine(GfxContext, base.x, y0, base.x + base.GetWidth(), y0, color1, color1);
}
GfxContext.GetRenderStates().SetBlend(alpha, src, dest);
}
void HSeparator::SetColor(nux::Color const &color)
{
color_ = color;
}
void HSeparator::SetAlpha(float alpha0, float alpha1)
{
alpha0_ = alpha0;
alpha1_ = alpha1;
}
void HSeparator::SetBorderSize(int border)
{
border_size_ = border;
}
} // namespace unity
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