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/*

    This file is part of a common library for Adobe(R) Photoshop(R) plugins

    Copyright (C) 2002-6 Toby Thain, toby@telegraphics.com.au

    This program is free software; you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by

    the Free Software Foundation; either version 2 of the License, or

    (at your option) any later version.

    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, write to the Free Software

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#include <windows.h>

#include <stdlib.h>

#include "ui_compat.h"

#include "str.h"

#include "dbg.h"

/* see "DIBs and Their Use",

   http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dngdi/html/msdn_dibs2.asp */

Boolean newbitmap(BITMAPREF *ppb,int depth,UIRECT *bounds){

        //char s[0x100];

        if( (*ppb = (BITMAPREF)malloc(sizeof(**ppb))) ){

                BITMAPINFOHEADER *pbmih = &(*ppb)->bmi.bmiHeader;

                pbmih->biWidth = bounds->right - bounds->left;

                pbmih->biHeight = bounds->top - bounds->bottom; // negative: top-down!

                pbmih->biSize = sizeof(BITMAPINFOHEADER);

                pbmih->biPlanes = 1;

                pbmih->biBitCount = depth; // blue,green,red; high byte not used

                pbmih->biCompression = BI_RGB;

                pbmih->biSizeImage = 0; //(*ppb)->rowbytes * -pbmih->biHeight;

                pbmih->biXPelsPerMeter =

                pbmih->biYPelsPerMeter = 0;

                pbmih->biClrUsed =

                pbmih->biClrImportant = 0;

                (*ppb)->hbmp = CreateDIBSection(NULL/*hDC*/,&(*ppb)->bmi,DIB_RGB_COLORS,(void**)&(*ppb)->pbits,NULL,0);

                (*ppb)->rowbytes = ((depth * pbmih->biWidth + 31) >> 3) & -4;

                if( (*ppb)->hbmp ){

                        /*long i,j,*p;

                        char s[0x200];

                        sprintf(s,"newbitmap: biWidth = %d,rowbytes = %d,biHeight = %d,biSize = %d,biBitCount = %d,result = %#x",

                        pbmih->biWidth,(*ppb)->rowbytes,pbmih->biHeight,

                        pbmih->biSize,pbmih->biBitCount,(*ppb)->hbmp );

                        dbg(s);

                        // checkerboard test pattern

                        for(j = -pbmih->biHeight,p=(long*)(*ppb)->pbits;j--;p+=(*ppb)->rowbytes/4)

                        for(i=pbmih->biWidth;i--;)

                        p[i] = -( (i^j)&1 ) ;*/

                        return true;

                }else

                        dbg("CreateDIBSection FAILED");

        }

        return false;

}

void disposebitmap(BITMAPREF pb){

        if(pb){

                DeleteObject(pb->hbmp);

                free(pb);

        }

}

void centre_window(HWND hwnd){

        RECT rs, rd;

        HWND hw = GetDesktopWindow();

        if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd))

                MoveWindow(hwnd,(rs.right + rs.left + rd.left - rd.right) / 2,

                          (rs.bottom + rs.top + rd.top - rd.bottom) / 3,

                          rd.right - rd.left, rd.bottom - rd.top, TRUE);

}