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// Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.1.2 (2015/11/25)
#define NOMINMAX
#include <windows.h>
#include "BmpToWmtf.h"
using namespace Wm5;
WM5_CONSOLE_APPLICATION(BmpToWmtf);
//----------------------------------------------------------------------------
BmpToWmtf::BmpToWmtf ()
:
ConsoleApplication("ToolsInternal/BmpToWmtf")
{
}
//----------------------------------------------------------------------------
BmpToWmtf::~BmpToWmtf ()
{
}
//----------------------------------------------------------------------------
bool LoadBMP (const char* name, unsigned char alpha, int& width, int& height,
unsigned char*& texels)
{
HBITMAP hImage = (HBITMAP) LoadImage(NULL, name, IMAGE_BITMAP, 0, 0,
LR_LOADFROMFILE | LR_CREATEDIBSECTION);
if (!hImage)
{
assert(hImage);
width = 0;
height = 0;
texels = 0;
return false;
}
DIBSECTION dibSection;
GetObject(hImage, sizeof(DIBSECTION), &dibSection);
width = dibSection.dsBm.bmWidth;
height = dibSection.dsBm.bmHeight;
if (dibSection.dsBm.bmBitsPixel == 24)
{
// Pad with an alpha channel.
int numBytes = 4*width*height;
texels = new1<unsigned char>(numBytes);
unsigned char* src = (unsigned char*)dibSection.dsBm.bmBits;
unsigned char* trg = texels;
for (int i = 0; i < numBytes; ++i)
{
if ((i % 4) == 3)
{
*trg++ = alpha;
}
else
{
*trg++ = *src++;
}
}
}
else if (dibSection.dsBm.bmBitsPixel == 32)
{
texels = new1<unsigned char>(4*width*height);
memcpy(texels, dibSection.dsBm.bmBits, 4*width*height);
}
else
{
assert(false);
texels = 0;
DeleteObject(hImage);
return false;
}
DeleteObject(hImage);
return true;
}
//----------------------------------------------------------------------------
int BmpToWmtf::Main (int, char**)
{
// Allow for a constant alpha channel.
int alphaValue = 255;
if (TheCommand->GetInteger("a", alphaValue))
{
if (alphaValue < 0)
{
alphaValue = 0;
}
else if (alphaValue > 255)
{
alphaValue = 255;
}
}
unsigned char alpha = (unsigned char)alphaValue;
// Get the BMP name.
char* bmpname = 0;
if (!TheCommand->GetFilename(bmpname))
{
return -1;
}
char name[512];
sprintf(name, "%s.bmp", bmpname);
// Load the BMP.
int width, height;
unsigned char* texels;
if (!LoadBMP(name, alpha, width, height, texels))
{
delete1(bmpname);
return -2;
}
Texture2D* texture = new0 Texture2D(Texture::TF_A8R8G8B8, width,
height, 1);
int format = (int)texture->GetFormat();
int type = (int)texture->GetTextureType();
int usage = (int)texture->GetUsage();
int numLevels = texture->GetNumLevels();
int numDimensions = texture->GetNumDimensions();
int numTotalBytes = texture->GetNumTotalBytes();
int dimension[3][Texture::MM_MAX_MIPMAP_LEVELS];
int numLevelBytes[Texture::MM_MAX_MIPMAP_LEVELS];
int levelOffsets[Texture::MM_MAX_MIPMAP_LEVELS];
for (int level = 0; level < Texture::MM_MAX_MIPMAP_LEVELS; ++level)
{
dimension[0][level] = texture->GetDimension(0, level);
dimension[1][level] = texture->GetDimension(1, level);
dimension[2][level] = texture->GetDimension(2, level);
numLevelBytes[level] = texture->GetNumLevelBytes(level);
levelOffsets[level] = texture->GetLevelOffset(level);
}
int userField[Texture::MAX_USER_FIELDS];
for (int i = 0; i < Texture::MAX_USER_FIELDS; ++i)
{
userField[i] = 0;
}
sprintf(name, "%s.wmtf", bmpname);
delete1(bmpname);
FILE* outFile = fopen(name, "wb");
if (!outFile)
{
assert(outFile);
delete1(texels);
delete0(texture);
return -3;
}
fwrite(&format, sizeof(int), 1, outFile);
fwrite(&type, sizeof(int), 1, outFile);
fwrite(&usage, sizeof(int), 1, outFile);
fwrite(&numLevels, sizeof(int), 1, outFile);
fwrite(&numDimensions, sizeof(int), 1, outFile);
fwrite(dimension[0], sizeof(int), Texture::MM_MAX_MIPMAP_LEVELS,
outFile);
fwrite(dimension[1], sizeof(int), Texture::MM_MAX_MIPMAP_LEVELS,
outFile);
fwrite(dimension[2], sizeof(int), Texture::MM_MAX_MIPMAP_LEVELS,
outFile);
fwrite(numLevelBytes, sizeof(int), Texture::MM_MAX_MIPMAP_LEVELS,
outFile);
fwrite(&numTotalBytes, sizeof(int), 1, outFile);
fwrite(levelOffsets, sizeof(int), Texture::MM_MAX_MIPMAP_LEVELS,
outFile);
fwrite(userField, sizeof(int), Texture::MAX_USER_FIELDS, outFile);
fwrite(texels, sizeof(unsigned char), numLevelBytes[0], outFile);
fclose(outFile);
delete1(texels);
delete0(texture);
return 0;
}
//----------------------------------------------------------------------------
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