diff options
Diffstat (limited to 'tjexample.c')
| -rw-r--r-- | tjexample.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/tjexample.c b/tjexample.c index 61200e60..0db2269d 100644 --- a/tjexample.c +++ b/tjexample.c @@ -44,14 +44,14 @@ #define strncasecmp strnicmp #endif -#define _throw(action, message) { \ +#define THROW(action, message) { \ printf("ERROR in line %d while %s:\n%s\n", __LINE__, action, message); \ retval = -1; goto bailout; \ } -#define _throwtj(action) _throw(action, tjGetErrorStr2(tjInstance)) +#define THROW_TJ(action) THROW(action, tjGetErrorStr2(tjInstance)) -#define _throwunix(action) _throw(action, strerror(errno)) +#define THROW_UNIX(action) THROW(action, strerror(errno)) #define DEFAULT_SUBSAMP TJSAMP_444 #define DEFAULT_QUALITY 95 @@ -172,7 +172,7 @@ int main(int argc, char **argv) tjhandle tjInstance = NULL; if ((scalingFactors = tjGetScalingFactors(&numScalingFactors)) == NULL) - _throwtj("getting scaling factors"); + THROW_TJ("getting scaling factors"); memset(&xform, 0, sizeof(tjtransform)); if (argc < 3) @@ -266,17 +266,17 @@ int main(int argc, char **argv) /* Read the JPEG file into memory. */ if ((jpegFile = fopen(argv[1], "rb")) == NULL) - _throwunix("opening input file"); + THROW_UNIX("opening input file"); if (fseek(jpegFile, 0, SEEK_END) < 0 || ((size = ftell(jpegFile)) < 0) || fseek(jpegFile, 0, SEEK_SET) < 0) - _throwunix("determining input file size"); + THROW_UNIX("determining input file size"); if (size == 0) - _throw("determining input file size", "Input file contains no data"); + THROW("determining input file size", "Input file contains no data"); jpegSize = (unsigned long)size; if ((jpegBuf = (unsigned char *)tjAlloc(jpegSize)) == NULL) - _throwunix("allocating JPEG buffer"); + THROW_UNIX("allocating JPEG buffer"); if (fread(jpegBuf, jpegSize, 1, jpegFile) < 1) - _throwunix("reading input file"); + THROW_UNIX("reading input file"); fclose(jpegFile); jpegFile = NULL; if (doTransform) { @@ -285,22 +285,22 @@ int main(int argc, char **argv) unsigned long dstSize = 0; if ((tjInstance = tjInitTransform()) == NULL) - _throwtj("initializing transformer"); + THROW_TJ("initializing transformer"); xform.options |= TJXOPT_TRIM; if (tjTransform(tjInstance, jpegBuf, jpegSize, 1, &dstBuf, &dstSize, &xform, flags) < 0) - _throwtj("transforming input image"); + THROW_TJ("transforming input image"); tjFree(jpegBuf); jpegBuf = dstBuf; jpegSize = dstSize; } else { if ((tjInstance = tjInitDecompress()) == NULL) - _throwtj("initializing decompressor"); + THROW_TJ("initializing decompressor"); } if (tjDecompressHeader3(tjInstance, jpegBuf, jpegSize, &width, &height, &inSubsamp, &inColorspace) < 0) - _throwtj("reading JPEG header"); + THROW_TJ("reading JPEG header"); printf("%s Image: %d x %d pixels, %s subsampling, %s colorspace\n", (doTransform ? "Transformed" : "Input"), width, height, @@ -312,9 +312,9 @@ int main(int argc, char **argv) /* Input image has been transformed, and no re-compression options have been selected. Write the transformed image to disk and exit. */ if ((jpegFile = fopen(argv[2], "wb")) == NULL) - _throwunix("opening output file"); + THROW_UNIX("opening output file"); if (fwrite(jpegBuf, jpegSize, 1, jpegFile) < 1) - _throwunix("writing output file"); + THROW_UNIX("writing output file"); fclose(jpegFile); jpegFile = NULL; goto bailout; } @@ -330,18 +330,18 @@ int main(int argc, char **argv) pixelFormat = TJPF_BGRX; if ((imgBuf = (unsigned char *)tjAlloc(width * height * tjPixelSize[pixelFormat])) == NULL) - _throwunix("allocating uncompressed image buffer"); + THROW_UNIX("allocating uncompressed image buffer"); if (tjDecompress2(tjInstance, jpegBuf, jpegSize, imgBuf, width, 0, height, pixelFormat, flags) < 0) - _throwtj("decompressing JPEG image"); + THROW_TJ("decompressing JPEG image"); tjFree(jpegBuf); jpegBuf = NULL; tjDestroy(tjInstance); tjInstance = NULL; } else { /* Input image is not a JPEG image. Load it into memory. */ if ((imgBuf = tjLoadImage(argv[1], &width, 1, &height, &pixelFormat, 0)) == NULL) - _throwtj("loading input image"); + THROW_TJ("loading input image"); if (outSubsamp < 0) { if (pixelFormat == TJPF_GRAY) outSubsamp = TJSAMP_GRAY; @@ -364,17 +364,17 @@ int main(int argc, char **argv) outQual); if ((tjInstance = tjInitCompress()) == NULL) - _throwtj("initializing compressor"); + THROW_TJ("initializing compressor"); if (tjCompress2(tjInstance, imgBuf, width, 0, height, pixelFormat, &jpegBuf, &jpegSize, outSubsamp, outQual, flags) < 0) - _throwtj("compressing image"); + THROW_TJ("compressing image"); tjDestroy(tjInstance); tjInstance = NULL; /* Write the JPEG image to disk. */ if ((jpegFile = fopen(argv[2], "wb")) == NULL) - _throwunix("opening output file"); + THROW_UNIX("opening output file"); if (fwrite(jpegBuf, jpegSize, 1, jpegFile) < 1) - _throwunix("writing output file"); + THROW_UNIX("writing output file"); tjDestroy(tjInstance); tjInstance = NULL; fclose(jpegFile); jpegFile = NULL; tjFree(jpegBuf); jpegBuf = NULL; @@ -383,7 +383,7 @@ int main(int argc, char **argv) directly to disk. */ printf("\n"); if (tjSaveImage(argv[2], imgBuf, width, 0, height, pixelFormat, 0) < 0) - _throwtj("saving output image"); + THROW_TJ("saving output image"); } bailout: |