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/*
* Copyright 2010 Inalogic® Inc.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, as
* published by the Free Software Foundation; either version 2.1 or 3.0
* of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>
*
* Authored by: Jay Taoko <jaytaoko@inalogic.com>
*
*/
#include "Nux.h"
#include "TextureArea.h"
#include "NuxGraphics/ImageSurface.h"
namespace nux
{
NUX_IMPLEMENT_OBJECT_TYPE(TextureArea);
TextureArea::TextureArea(NUX_FILE_LINE_DECL)
: View(NUX_FILE_LINE_PARAM)
{
mouse_down.connect(sigc::mem_fun(this, &TextureArea::RecvMouseDown));
mouse_up.connect(sigc::mem_fun(this, &TextureArea::RecvMouseUp));
mouse_enter.connect(sigc::mem_fun(this, &TextureArea::RecvMouseEnter));
mouse_leave.connect(sigc::mem_fun(this, &TextureArea::RecvMouseLeave));
mouse_click.connect(sigc::mem_fun(this, &TextureArea::RecvMouseClick));
mouse_drag.connect(sigc::mem_fun(this, &TextureArea::RecvMouseDrag));
paint_layer_ = new ColorLayer(nux::color::Black);
rotation_2d_.Identity();
}
TextureArea::~TextureArea()
{
if (paint_layer_)
delete paint_layer_;
}
void TextureArea::Draw(GraphicsEngine &graphics_engine, bool /* force_draw */)
{
// Ability to rotate the widget around its center
graphics_engine.PushModelViewMatrix(Matrix4::TRANSLATE(-GetBaseX() - GetBaseWidth() / 2, -GetBaseY() - GetBaseHeight() / 2, 0));
graphics_engine.PushModelViewMatrix(Get2DRotation());
graphics_engine.PushModelViewMatrix(Matrix4::TRANSLATE(GetBaseX() + GetBaseWidth() / 2, GetBaseY() + GetBaseHeight() / 2, 0));
// The TextureArea should not render the accumulated background. That is left to the caller.
// GetPainter().PaintBackground(graphics_engine, GetGeometry());
if (paint_layer_)
{
paint_layer_->SetGeometry(GetGeometry());
GetPainter().RenderSinglePaintLayer(graphics_engine, GetGeometry(), paint_layer_);
}
graphics_engine.PopModelViewMatrix();
graphics_engine.PopModelViewMatrix();
graphics_engine.PopModelViewMatrix();
}
void TextureArea::DrawContent(GraphicsEngine & /* graphics_engine */, bool /* force_draw */)
{
}
void TextureArea::SetTexture(BaseTexture *texture)
{
NUX_RETURN_IF_NULL(texture);
delete paint_layer_;
TexCoordXForm texxform;
texxform.SetTexCoordType(TexCoordXForm::OFFSET_COORD);
texxform.SetWrap(TEXWRAP_REPEAT, TEXWRAP_REPEAT);
paint_layer_ = new TextureLayer(texture->GetDeviceTexture(), texxform, color::White);
QueueDraw();
}
void TextureArea::SetColor(const Color &color)
{
delete paint_layer_;
paint_layer_ = new ColorLayer(color);
QueueDraw();
}
void TextureArea::LoadImageFile(const std::string &filename)
{
if (paint_layer_)
{
delete paint_layer_;
paint_layer_ = NULL;
}
BaseTexture *texture = LoadTextureFromFile(filename);
if (texture)
{
TexCoordXForm texxform;
ROPConfig rop;
rop.Blend = true;
rop.SrcBlend = GL_SRC_ALPHA;
rop.DstBlend = GL_ONE_MINUS_SRC_ALPHA;
paint_layer_ = new TextureLayer(texture->GetDeviceTexture(), texxform, color::White, true, rop);
texture->UnReference();
}
else
{
paint_layer_ = new ColorLayer(nux::color::Black);
}
}
void TextureArea::SetPaintLayer(AbstractPaintLayer *layer)
{
NUX_SAFE_DELETE(paint_layer_);
paint_layer_ = layer->Clone();
QueueDraw();
}
AbstractPaintLayer* TextureArea::GetPaintLayer() const
{
if (paint_layer_ == NULL)
return NULL;
return paint_layer_->Clone();
}
// void TextureArea::SetTexture(const char* TextureFilename)
// {
// // Who should delete the texture? This class or the user?
// m_UserTexture = CreateTextureFromFile(TextureFilename);
// QueueDraw();
// }
void TextureArea::RecvMouseDown(int x, int y, long /* button_flags */, long /* key_flags */)
{
sigMouseDown.emit(x, y);
QueueDraw();
}
void TextureArea::RecvMouseClick(int /* x */, int /* y */, long /* button_flags */, long /* key_flags */)
{
}
void TextureArea::RecvMouseUp(int /* x */, int /* y */, long /* button_flags */, long /* key_flags */)
{
QueueDraw();
}
void TextureArea::RecvMouseEnter(int /* x */, int /* y */, long /* button_flags */, long /* key_flags */)
{
}
void TextureArea::RecvMouseLeave(int /* x */, int /* y */, long /* button_flags */, long /* key_flags */)
{
}
void TextureArea::RecvMouseDrag(int x, int y, int /* dx */, int /* dy */, unsigned long /* button_flags */, unsigned long /* key_flags */)
{
sigMouseDrag.emit(x, y);
}
void TextureArea::Set2DRotation(float angle)
{
rotation_2d_.Rotate_z(angle);
QueueDraw();
}
Matrix4 TextureArea::Get2DRotation() const
{
return rotation_2d_;
}
}
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