void Asteroids::CreateGUIResources()
{
auto font = mGUI->Font();
D3D11_TEXTURE2D_DESC textureDesc = CD3D11_TEXTURE2D_DESC(DXGI_FORMAT_A8_UNORM, font->BitmapWidth(), font->BitmapHeight(), 1, 1);
D3D11_SUBRESOURCE_DATA initialData = {};
initialData.pSysMem = font->Pixels();
initialData.SysMemPitch = font->BitmapWidth();
ID3D11Texture2D* texture = nullptr;
ThrowIfFailed(mDevice->CreateTexture2D(&textureDesc, &initialData, &texture));
ThrowIfFailed(mDevice->CreateShaderResourceView(texture, nullptr, &mFontTextureSRV));
SafeRelease(&texture);
// Load any GUI sprite textures
for (size_t i = 0; i < mGUI->size(); ++i) {
auto control = (*mGUI)[i];
if (control->TextureFile().length() > 0 && mSpriteTextures.find(control->TextureFile()) == mSpriteTextures.end()) {
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
ID3D11ShaderResourceView* textureSRV = nullptr;
ThrowIfFailed(CreateDDSTextureFromFile(mDevice, converter.from_bytes(control->TextureFile()).c_str(), &textureSRV, true));
mSpriteTextures[control->TextureFile()] = textureSRV;
}
}
}
BOOL ScaleDIB(
LPBITMAPINFOHEADER lpbiSrc,
LPVOID lpSrc,
LPBITMAPINFOHEADER lpbiDst,
LPVOID lpDst)
{
LPBYTE pbSrc;
LPBYTE pbDst;
LPDWORD pal;
int dxSrc;
int dySrc;
int dxDst;
int dyDst;
int iSrc;
int iDst;
int x0;
int y0;
int sdx;
int sdy;
LONG WidthBytesSrc;
LONG WidthBytesDst;
if ((lpbiSrc->biCompression != BI_RGB) ||
(lpbiDst->biCompression != BI_RGB)) {
return FALSE;
}
iSrc = BPPTOINDEX(lpbiSrc->biBitCount);
iDst = BPPTOINDEX(lpbiDst->biBitCount);
if (ScaleProc[iSrc][iDst] == NULL)
return FALSE;
dxSrc = (int)lpbiSrc->biWidth;
dySrc = (int)lpbiSrc->biHeight;
dxDst = (int)lpbiDst->biWidth;
dyDst = (int)lpbiDst->biHeight;
WidthBytesDst = BitmapWidth(lpbiDst->biWidth, lpbiDst->biBitCount);
WidthBytesSrc = BitmapWidth(lpbiSrc->biWidth, lpbiSrc->biBitCount);
lpbiDst->biSizeImage = (WidthBytesDst * dyDst);
pbSrc = (LPBYTE)lpSrc;
pbDst = (LPBYTE)lpDst;
pal = (LPDWORD)(lpbiSrc + 1);
if (InitDst[iDst])
InitDst[iDst](lpbiDst);
if ((dxSrc == (dxDst * 2)) && (dySrc == (dyDst * 2))) {
sdx = FX1 * 2;
sdy = FX1 * 2;
y0 = FX1 / 2;
x0 = FX1 / 2;
} else {
sdx = (dxSrc - 1) * FX1 / (dxDst - 1);
sdy = (dySrc - 1) * FX1 / (dyDst - 1);
y0 = 0;
x0 = 0;
}
ScaleProc[iSrc][iDst](pal,
pbSrc,
WidthBytesSrc,
x0,
y0,
sdx,
sdy,
pbDst,
WidthBytesDst,
dxDst,
dyDst);
return TRUE;
}
