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add error messages

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patch by Christian Duvivier

Change-Id: Iaea71f690b99e313561d0284759531b81c10d7e5
This commit is contained in:
Pascal Massimino 2011-03-17 14:49:19 -07:00
parent 6463e6ab94
commit 6d978a6c8c
1 changed files with 12 additions and 4 deletions
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16
examples/cwebp.c
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@ -700,7 +700,7 @@ int main(int argc, const char *argv[]) {
goto Error;
}
if (!WebPConfigPreset(&config, preset, config.quality)) {
fprintf(stderr, "Error! Could initialize configuration with preset.");
fprintf(stderr, "Error! Could initialize configuration with preset.\n");
goto Error;
}
} else if (!strcmp(argv[c], "-v")) {
@ -722,7 +722,10 @@ int main(int argc, const char *argv[]) {
// Read the input
if (verbose)
StopwatchReadAndReset(&stop_watch);
if (!ReadPicture(in_file, &picture)) goto Error;
if (!ReadPicture(in_file, &picture)) {
fprintf(stderr, "Error! Cannot read input picture\n");
goto Error;
}
if (verbose) {
const double time = StopwatchReadAndReset(&stop_watch);
fprintf(stderr, "Time to read input: %.3fs\n", time);
@ -753,10 +756,15 @@ int main(int argc, const char *argv[]) {
// Compress
if (verbose)
StopwatchReadAndReset(&stop_watch);
if (crop != 0 && !WebPPictureCrop(&picture, crop_x, crop_y, crop_w, crop_h))
if (crop != 0 && !WebPPictureCrop(&picture, crop_x, crop_y, crop_w, crop_h)) {
fprintf(stderr, "Error! Cannot crop picture\n");
goto Error;
}
if (picture.extra_info_type > 0) AllocExtraInfo(&picture);
if (!WebPEncode(&config, &picture)) goto Error;
if (!WebPEncode(&config, &picture)) {
fprintf(stderr, "Error! Cannot encode picture as WebP\n");
goto Error;
}
if (verbose) {
const double time = StopwatchReadAndReset(&stop_watch);
fprintf(stderr, "Time to encode picture: %.3fs\n", time);