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comparison tools/gfxconv.c @ 909:be5d276f8a6c

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Some work on error handling.
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 23 Feb 2015 22:51:51 +0200
parents bc6c338295e5
children 43a71b097f17
comparison
equal deleted inserted replaced
908:03bda6477ad4 909:be5d276f8a6c
1245 } 1245 }
1246 1246
1247 1247
1248 int dmWriteSpritesAndChars(const char *filename, DMImage *image, int outFormat, BOOL multicolor) 1248 int dmWriteSpritesAndChars(const char *filename, DMImage *image, int outFormat, BOOL multicolor)
1249 { 1249 {
1250 int ret = DMERR_OK;
1250 int outBlockW, outBlockH, bx, by; 1251 int outBlockW, outBlockH, bx, by;
1251 FILE *outFile = NULL; 1252 FILE *outFile = NULL;
1252 Uint8 *buf = NULL; 1253 Uint8 *buf = NULL;
1253 size_t outBufSize; 1254 size_t outBufSize;
1254 char *outType; 1255 char *outType;
1268 outBlockH = image->height / C64_SPR_HEIGHT; 1269 outBlockH = image->height / C64_SPR_HEIGHT;
1269 outType = "sprite"; 1270 outType = "sprite";
1270 break; 1271 break;
1271 1272
1272 default: 1273 default:
1274 ret = DMERR_INVALID_ARGS;
1273 dmError("Invalid output format %d, internal error.\n", outFormat); 1275 dmError("Invalid output format %d, internal error.\n", outFormat);
1274 goto error; 1276 goto error;
1275 } 1277 }
1276 1278
1277 if (outBlockW <= 0 || outBlockH <= 0) 1279 if (outBlockW < 1 || outBlockH < 1)
1278 { 1280 {
1281 ret = DMERR_INVALID_ARGS;
1279 dmError("Source image dimensions too small for conversion, block dimensions %d x %d.\n", 1282 dmError("Source image dimensions too small for conversion, block dimensions %d x %d.\n",
1280 outBlockW, outBlockH); 1283 outBlockW, outBlockH);
1281 goto error; 1284 goto error;
1282 } 1285 }
1283 1286
1284 if ((outFile = fopen(filename, "wb")) == NULL) 1287 if ((outFile = fopen(filename, "wb")) == NULL)
1285 { 1288 {
1286 int err = dmGetErrno(); 1289 ret = dmGetErrno();
1287 dmError("Could not open '%s' for writing, %d: %s.\n", 1290 dmError("Could not open '%s' for writing, %d: %s.\n",
1288 filename, err, dmErrorStr(err)); 1291 filename, ret, dmErrorStr(ret));
1289 goto error; 1292 goto error;
1290 } 1293 }
1291 1294
1292 if ((buf = dmMalloc(outBufSize)) == NULL) 1295 if ((buf = dmMalloc(outBufSize)) == NULL)
1293 { 1296 {
1306 { 1309 {
1307 case FFMT_CHAR: 1310 case FFMT_CHAR:
1308 if (!dmConvertImage2Char(buf, image, 1311 if (!dmConvertImage2Char(buf, image,
1309 bx * C64_CHR_WIDTH_PX, by * C64_CHR_HEIGHT, 1312 bx * C64_CHR_WIDTH_PX, by * C64_CHR_HEIGHT,
1310 multicolor)) 1313 multicolor))
1314 {
1315 ret = DMERR_DATA_ERROR;
1311 goto error; 1316 goto error;
1317 }
1312 break; 1318 break;
1313 1319
1314 case FFMT_SPRITE: 1320 case FFMT_SPRITE:
1315 if (!dmConvertImage2Sprite(buf, image, 1321 if (!dmConvertImage2Sprite(buf, image,
1316 bx * C64_SPR_WIDTH_PX, by * C64_SPR_HEIGHT, 1322 bx * C64_SPR_WIDTH_PX, by * C64_SPR_HEIGHT,
1317 multicolor)) 1323 multicolor))
1324 {
1325 ret = DMERR_DATA_ERROR;
1318 goto error; 1326 goto error;
1327 }
1319 } 1328 }
1320 1329
1321 if (!dm_fwrite_str(outFile, buf, outBufSize)) 1330 if (!dm_fwrite_str(outFile, buf, outBufSize))
1322 { 1331 {
1323 int err = dmGetErrno(); 1332 ret = dmGetErrno();
1324 dmError("Error writing data block %d,%d to '%s', %d: %s\n", 1333 dmError("Error writing data block %d,%d to '%s', %d: %s\n",
1325 bx, by, filename, err, dmErrorStr(err)); 1334 bx, by, filename, ret, dmErrorStr(ret));
1326 goto error; 1335 goto error;
1327 } 1336 }
1328 } 1337 }
1329 1338
1330 fclose(outFile); 1339 fclose(outFile);