Mercurial > mm7

comparison mm7_2.cpp @ 1149:05b30ed00d7c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
sub_451007_scale_image_bicubic cleanup - changing if+dowhile pair to for
author Grumpy7
date Sun, 02 Jun 2013 05:22:35 +0200
parents ee6bccef32e8
children 354ec6263123
comparison
equal deleted inserted replaced
1148:ee6bccef32e8 1149:05b30ed00d7c
2166 int stru350::sub_451007_scale_image_bicubic(unsigned short *pSrc, int srcWidth, int srcHeight, int srcPitch, //changing this to some library function might be a good idea 2166 int stru350::sub_451007_scale_image_bicubic(unsigned short *pSrc, int srcWidth, int srcHeight, int srcPitch, //changing this to some library function might be a good idea
2167 unsigned short *pDst, int dstWidth, int dstHeight, int dstPitch, 2167 unsigned short *pDst, int dstWidth, int dstHeight, int dstPitch,
2168 int a10, int a11) 2168 int a10, int a11)
2169 { 2169 {
2170 int result; // eax@1 2170 int result; // eax@1
2171 int v14; // ecx@10
2172 float v17; // ST3C_4@12 2171 float v17; // ST3C_4@12
2173 float v18; // ST38_4@12 2172 float v18; // ST38_4@12
2174 unsigned int v19; // esi@12 2173 unsigned int v19; // esi@12
2175 int v21; // eax@18 2174 int v21; // eax@18
2176 unsigned int v22; // ecx@25 2175 unsigned int v22; // ecx@25
2222 v231 = 0; 2221 v231 = 0;
2223 if ( dstHeight <= 0 ) 2222 if ( dstHeight <= 0 )
2224 return result; 2223 return result;
2225 do 2224 do
2226 { 2225 {
2227 v14 = 0; 2226 for (int counter = 0; counter < dstWidth; counter++)
2228 if ( dstWidth > 0 ) 2227 {
2229 { 2228 a6s = (double)counter / (double)dstWidth * (double)srcWidth;
2230 do 2229 widthRatio = bankersRounding(a6s);
2231 { 2230 a6t = (double)(counter + 1) / (double)dstWidth * (double)srcWidth;
2232 a6s = (double)v14 / (double)dstWidth * (double)srcWidth; 2231 widthRatioPlusOne = bankersRounding(a6t);
2233 widthRatio = bankersRounding(a6s); 2232 v17 = (double)v231 / (double)dstHeight * (double)srcHeight;
2234 a6t = (double)(v14 + 1) / (double)dstWidth * (double)srcWidth; 2233 heightRatio = bankersRounding(v17);
2235 widthRatioPlusOne = bankersRounding(a6t); 2234 v18 = (double)(v231 + 1) / (double)dstHeight * (double)srcHeight;
2236 v17 = (double)v231 / (double)dstHeight * (double)srcHeight; 2235 heightRatioPlusOne = bankersRounding(v18);
2237 heightRatio = bankersRounding(v17); 2236 v251 = 0;
2238 v18 = (double)(v231 + 1) / (double)dstHeight * (double)srcHeight; 2237 v19 = (heightRatioPlusOne - heightRatio) * (widthRatioPlusOne - widthRatio);
2239 heightRatioPlusOne = bankersRounding(v18); 2238 v252 = 0;
2240 v251 = 0; 2239 a6b = 0;
2241 v19 = (heightRatioPlusOne - heightRatio) * (widthRatioPlusOne - widthRatio); 2240 v240 = 0i64;
2242 v252 = 0; 2241
2243 a6b = 0; 2242 v175 = (unsigned short*)((char *)pSrc + field_0_bits * (widthRatio + srcPitch * heightRatio));
2244 v240 = 0i64; 2243 for (int heightDiff = 0; heightDiff < heightRatioPlusOne - heightRatio; heightDiff++)
2245 if ( heightRatio < heightRatioPlusOne ) 2244 {
2246 { 2245 int ratioDiff = widthRatioPlusOne - widthRatio;
2247 v160 = heightRatioPlusOne - heightRatio; 2246 for(int i = 0; i < ratioDiff; i++)
2248 v175 = (unsigned short*)((char *)pSrc + field_0_bits * (widthRatio + srcPitch * heightRatio)); 2247 {
2249 do 2248 if(field0value == 32)
2250 { 2249 v21 = _450FB1((int)v175[i]);
2251 int ratioDiff = widthRatioPlusOne - widthRatio; 2250 else if(field0value == 16)
2252 for(int i = 0; i < ratioDiff; i++) 2251 v21 = _450FB1((_WORD)v175[i]);
2253 { 2252 else
2254 if(field0value == 32) 2253 v21 = _450FB1((unsigned __int8)v175[i]);
2255 v21 = _450FB1((int)v175[i]); 2254 v240 += ((unsigned int)v21 >> 24);
2256 else if(field0value == 16) 2255 a6b += BYTE2(v21);
2257 v21 = _450FB1((_WORD)v175[i]); 2256 v252 += BYTE1(v21);
2258 else 2257 v251 += (unsigned __int8)v21;
2259 v21 = _450FB1((unsigned __int8)v175[i]); 2258 }
2260 v240 += ((unsigned int)v21 >> 24); 2259 if(field0value == 32)
2261 a6b += BYTE2(v21); 2260 v175 += 2 * srcPitch;
2262 v252 += BYTE1(v21); 2261 else if(field0value == 16)
2263 v251 += (unsigned __int8)v21; 2262 v175 += srcPitch;
2264 } 2263 else
2265 if(field0value == 32) 2264 v175 = (unsigned short*)((char *)v175 + 2 * srcPitch);
2266 v175 += 2 * srcPitch; 2265 }
2267 else if(field0value == 16) 2266 v22 = (unsigned int)v240 / ((heightRatioPlusOne - heightRatio) * (widthRatioPlusOne - widthRatio));
2268 v175 += srcPitch; 2267 assert(v19 < 2);
2269 else 2268 if ( v19 )
2270 v175 = (unsigned short*)((char *)v175 + 2 * srcPitch); 2269 {
2271 --v160; 2270 a6b /= v19;
2272 } 2271 v252 /= v19;
2273 while ( v160 ); 2272 v251 /= v19;
2274 } 2273 }
2275 v22 = (unsigned int)v240 / ((heightRatioPlusOne - heightRatio) * (widthRatioPlusOne - widthRatio)); 2274 if ( v22 != 255 )
2276 if ( v19 ) 2275 v22 &= 0x7FFFFFFFu;
2277 { 2276 v23 = _450F55(v251 | ((v252 | ((a6b | (v22 << 8)) << 8)) << 8));
2278 a6b /= v19; 2277 *(_DWORD *)v193 = v23;
2279 v252 /= v19; 2278 v193 = (unsigned __int16 *)((char *)v193 + field_20_bits);
2280 v251 /= v19;
2281 }
2282 if ( v22 != 255 )
2283 v22 &= 0x7FFFFFFFu;
2284 v23 = _450F55(v251 | ((v252 | ((a6b | (v22 << 8)) << 8)) << 8));
2285 *(_DWORD *)v193 = v23;
2286 v193 = (unsigned __int16 *)((char *)v193 + field_20_bits);
2287 ++v14;
2288 }
2289 while ( v14 < dstWidth );
2290 } 2279 }
2291 v193 = (unsigned __int16 *)((char *)v193 + field_20_bits * (dstPitch - dstWidth)); 2280 v193 = (unsigned __int16 *)((char *)v193 + field_20_bits * (dstPitch - dstWidth));
2292 ++v231; 2281 ++v231;
2293 result = v231; 2282 result = v231;
2294 } 2283 }