Second try of my previous pull request, which was partially reverted due to caused crashes and memory leaks

This commit is contained in:
Marc Coll Carrillo 2014-10-03 16:25:19 +02:00
parent 69217bd03c
commit 3fc0d3be09
2 changed files with 48 additions and 1 deletions

View File

@ -42,6 +42,7 @@ IconButtonWidget::IconButtonWidget(ScaleMode scale_mode, const bool tab_stop,
m_label = NULL;
m_font = NULL;
m_texture = NULL;
m_deactivated_texture = NULL;
m_highlight_texture = NULL;
m_custom_aspect_ratio = 1.0f;
@ -270,6 +271,49 @@ void IconButtonWidget::unfocused(const int playerID, Widget* new_focus)
m_label->setVisible(false);
}
}
// -----------------------------------------------------------------------------
const video::ITexture* IconButtonWidget::getTexture()
{
if (Widget::isActivated())
{
return m_texture;
}
else
{
if (m_deactivated_texture == NULL)
m_deactivated_texture = getDeactivatedTexture(m_texture);
return m_deactivated_texture;
}
}
// -----------------------------------------------------------------------------
video::ITexture* IconButtonWidget::getDeactivatedTexture(video::ITexture* texture)
{
SColor c;
u32 g;
video::IVideoDriver* driver = irr_driver->getVideoDriver();
video::IImage* image = driver->createImageFromData (texture->getColorFormat(),
texture->getSize(), texture->lock(), false);
texture->unlock();
//Turn the image into grayscale
for (u32 x = 0; x < image->getDimension().Width; x++)
{
for (u32 y = 0; y < image->getDimension().Height; y++)
{
c = image->getPixel(x, y);
g = ((c.getRed() + c.getGreen() + c.getBlue()) / 3);
c.set(std::max (0, (int)c.getAlpha() - 120), g, g, g);
image->setPixel(x, y, c);
}
}
texture = driver->addTexture(texture->getName().getPath() + "_disabled", image);
image->drop();
return texture;
}
// -----------------------------------------------------------------------------
void IconButtonWidget::setTexture(video::ITexture* texture)
@ -277,6 +321,7 @@ void IconButtonWidget::setTexture(video::ITexture* texture)
m_texture = texture;
if (texture == NULL)
{
m_deactivated_texture = NULL;
m_texture_w = 0;
m_texture_h = 0;
}

View File

@ -43,9 +43,11 @@ namespace GUIEngine
{
private:
irr::video::ITexture* m_texture;
irr::video::ITexture* m_deactivated_texture;
irr::video::ITexture* m_highlight_texture;
int m_texture_w, m_texture_h;
video::ITexture* getDeactivatedTexture(video::ITexture* texture);
void setLabelFont();
public:
@ -158,7 +160,7 @@ namespace GUIEngine
virtual void unfocused(const int playerID, Widget* new_focus);
// --------------------------------------------------------------------
/** Returns the texture of this button. */
const video::ITexture* getTexture() const { return m_texture; }
const video::ITexture* getTexture();
};
}