bool TextureAtlas::addImage(const ImageHandle& newImageHandle)
{
if(imageSubTextures.Find( newImageHandle ) != imageSubTextures.End())
return true;
Image* newImage = newImageHandle.Resolve();
Rectangle newRect = rectanglePacker.Insert(newImage->getWidth()+1, newImage->getHeight()+1, gs_heuristic);
if (newRect.height == 0 || newRect.width == 0){
if (atlasSize >= atlasMaxSize)
return false;
atlasSize = std::min(atlasSize*2, atlasMaxSize);
resizeAtlas(atlasSize);
return addImage(newImageHandle);
}
newRect.width--;
newRect.height--;
addImage(newImageHandle,newRect);
return true;
}
TexturePtr TextureManager::getTexture( const ImageHandle& imageHandle )
{
Image* image = imageHandle.Resolve();
if (TexturePtr texture = getTexture(image))
return texture;
// Create a new texture from image.
Texture* texture = backend->createTexture();
texture->setImage(imageHandle);
textures[image] = texture;
return texture;
}
void TextureManager::onUnloaded( const ResourceEvent& event )
{
ImageHandle handleImage = HandleCast<Image>(event.handle);
Image* image = handleImage.Resolve();
if( image->getResourceGroup() != ResourceGroup::Images )
return;
if( textures.Find(image) == textures.End() )
return;
LogDebug( "Removing texture '%s'", image->getPath().CString() );
removeTexture(image);
}
void TextureManager::onLoaded( const ResourceEvent& event )
{
ImageHandle handleImage = HandleCast<Image>(event.handle);
Image* image = handleImage.Resolve();
if( image->getResourceGroup() != ResourceGroup::Images )
return;
if( textures.Find(image) == textures.End() )
return;
Texture* texture = textures[image].get();
texture->setImage(handleImage);
backend->uploadTexture(texture);
}
void TextureAtlas::addImage(ImageHandle newImageHandle, Rectangle newRect)
{
Image* newImage = newImageHandle.Resolve();
bool wasRotated = newImage->getWidth() == newRect.height &&
newImage->getHeight() == newRect.width;
Image* atlasImage = atlasImageHandle.Resolve();
assert(newImage->getPixelFormat() == atlasImage->getPixelFormat());
if (wasRotated)
RotateImage(newImage,atlasImage,Vector2i(newRect.x,newRect.y));
else
atlasImage->setBuffer(newImage,Vector2i(newRect.x,newRect.y));
SubTexture subTexture;
subTexture.atlas = this;
float bottom = (float)(newRect.y+newRect.height)/atlasSize;
float top = (float)newRect.y/atlasSize;
float right = (float)(newRect.x+newRect.width)/atlasSize;
float left = (float)newRect.x/atlasSize;
if(!wasRotated)
{
subTexture.leftTopUV = Vector2(left,top);
subTexture.rightTopUV = Vector2(right,top);
subTexture.rightBottomUV = Vector2(right,bottom);
subTexture.leftBottomUV = Vector2(left,bottom);
}
else
{
subTexture.rightTopUV = Vector2(left,top);
subTexture.rightBottomUV = Vector2(right,top);
subTexture.leftBottomUV = Vector2(right,bottom);
subTexture.leftTopUV = Vector2(left,bottom);
}
imageSubTextures[newImageHandle] = subTexture;
}
void TextureManager::onReloaded( const ResourceEvent& event )
{
ImageHandle handleImage = HandleCast<Image>(event.handle);
Image* newImage = handleImage.Resolve();
if( newImage->getResourceGroup() != ResourceGroup::Images )
return;
Image* oldImage = (Image*) event.oldResource;
if( textures.Find(oldImage) == textures.End() )
return;
LogDebug( "Reloading texture '%s'", newImage->getPath().CString() );
Texture* texture = textures[oldImage].get();
texture->setImage(handleImage);
textures.Erase(oldImage);
textures[newImage] = texture;
}
void wxImageComboBox::addImage( const ImageHandle& handle )
{
Image* image = handle.Resolve();
Append( image->getPath() );
images.push_back(handle);
}