//////////////////////////////////////////////////////////////////////////////
//
// License Agreement:
//
// The following are Copyright © 2008, Casey Langen, André Wösten
//
// Sources and Binaries of: win32cpp
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//////////////////////////////////////////////////////////////////////////////

#include <pch.h>
#include <win32cpp/ImageList.hpp>

//////////////////////////////////////////////////////////////////////////////

using namespace win32cpp;

ImageList::ImageList(int width, int height, ImageList::ColorDepth depth) :
    imageWidth(width),
    imageHeight(height),
    imageDepth(depth),
    imagelistHandle(NULL)
{
    ::InitCommonControls(); 

    this->imagelistHandle = ::ImageList_Create(imageWidth, imageHeight, depth, 1, 128);
    if(!this->imagelistHandle) {
        throw Exception("Cannot create image list!");
    }
}

ImageList::~ImageList()
{
    for(int i = 0; i < this->Count(); i++) {
        IMAGEINFO info;

        this->Info(i, &info);
        
        DeleteObject(info.hbmImage);
        if(info.hbmMask) DeleteObject(info.hbmMask);

        this->Remove(i);
    }

    ::ImageList_Destroy(this->imagelistHandle);
}

HIMAGELIST ImageList::Handle() const
{
    return this->imagelistHandle;
}

int ImageList::Count() const
{
    return ::ImageList_GetImageCount(this->imagelistHandle);
}

int ImageList::Add(HBITMAP image)
{
    return ::ImageList_Add(this->imagelistHandle, image, NULL);
}

int ImageList::Add(const uistring& filename, bool transparence)
{
    UINT fuLoad = LR_LOADFROMFILE;

    if(transparence) {
        fuLoad |= LR_LOADTRANSPARENT;
    }

    HANDLE image = ::LoadImage(
        NULL,
        filename.c_str(),
        IMAGE_BITMAP,
        this->imageWidth,
        this->imageHeight,
        fuLoad
    );

    if(image) {
        return this->Add((HBITMAP)image);
    }

    return -1;
}

bool ImageList::Remove(int index) 
{
    return !!(::ImageList_Remove(this->imagelistHandle, index));
}

bool ImageList::Clear() 
{
    return !!(::ImageList_Remove(this->imagelistHandle, -1));
}

bool ImageList::Info(int index, IMAGEINFO *info)
{
    return !!(::ImageList_GetImageInfo(this->imagelistHandle, index, info));
}