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/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
AUTHOR: John DiCamillo
OVERVIEW
========
Thumbnail.cpp : implementation file
*/
#include "StdAfx.h"
#include "Bitmap.h"
// +--------------------------------------------------------------------+
// Preview a bitmap image in the desired window
// +--------------------------------------------------------------------+
void ThumbPreview(HWND hprev, Bitmap* bitmap)
{
HDC hdc = ::GetDC(hprev);
RECT rect;
BITMAPINFO* pbmiDIB = new BITMAPINFO;
if (!pbmiDIB)
return;
::GetClientRect(hprev, &rect);
pbmiDIB->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
pbmiDIB->bmiHeader.biWidth = bitmap->Width();
pbmiDIB->bmiHeader.biHeight = -bitmap->Height();
pbmiDIB->bmiHeader.biPlanes = 1;
pbmiDIB->bmiHeader.biBitCount = 32;
pbmiDIB->bmiHeader.biCompression = BI_RGB;
pbmiDIB->bmiHeader.biSizeImage = 0;
pbmiDIB->bmiHeader.biXPelsPerMeter = 0;
pbmiDIB->bmiHeader.biYPelsPerMeter = 0;
pbmiDIB->bmiHeader.biClrUsed = 0;
pbmiDIB->bmiHeader.biClrImportant = 0;
int result =
::StretchDIBits(hdc,
1, 1, 128, 128,
0, 0, bitmap->Width(), bitmap->Height(),
bitmap->HiPixels(),
pbmiDIB,
DIB_RGB_COLORS,
SRCCOPY);
::ReleaseDC(hprev, hdc);
delete pbmiDIB;
}
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