Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(690)

Unified Diff: jcstest.c

Issue 1934113002: Update libjpeg_turbo to 1.4.90 from https://github.com/libjpeg-turbo/ (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Created 4 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: jcstest.c
diff --git a/jcstest.c b/jcstest.c
new file mode 100644
index 0000000000000000000000000000000000000000..358ed251596bb10751b1a9d82af48fbc6484df04
--- /dev/null
+++ b/jcstest.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C)2011 D. R. Commander. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * - Neither the name of the libjpeg-turbo Project nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* This program demonstrates how to check for the colorspace extension
+ capabilities of libjpeg-turbo at both compile time and run time. */
+
+#include <stdio.h>
+#include <jpeglib.h>
+#include <jerror.h>
+#include <setjmp.h>
+
+#ifndef JCS_EXTENSIONS
+#define JCS_EXT_RGB 6
+#endif
+#if !defined(JCS_EXTENSIONS) || !defined(JCS_ALPHA_EXTENSIONS)
+#define JCS_EXT_RGBA 12
+#endif
+
+static char lasterror[JMSG_LENGTH_MAX] = "No error";
+
+typedef struct _error_mgr {
+ struct jpeg_error_mgr pub;
+ jmp_buf jb;
+} error_mgr;
+
+static void my_error_exit(j_common_ptr cinfo)
+{
+ error_mgr *myerr = (error_mgr *)cinfo->err;
+ (*cinfo->err->output_message)(cinfo);
+ longjmp(myerr->jb, 1);
+}
+
+static void my_output_message(j_common_ptr cinfo)
+{
+ (*cinfo->err->format_message)(cinfo, lasterror);
+}
+
+int main(void)
+{
+ int jcs_valid = -1, jcs_alpha_valid = -1;
+ struct jpeg_compress_struct cinfo;
+ error_mgr jerr;
+
+ printf("libjpeg-turbo colorspace extensions:\n");
+ #if JCS_EXTENSIONS
+ printf(" Present at compile time\n");
+ #else
+ printf(" Not present at compile time\n");
+ #endif
+
+ cinfo.err = jpeg_std_error(&jerr.pub);
+ jerr.pub.error_exit = my_error_exit;
+ jerr.pub.output_message = my_output_message;
+
+ if(setjmp(jerr.jb)) {
+ /* this will execute if libjpeg has an error */
+ jcs_valid = 0;
+ goto done;
+ }
+
+ jpeg_create_compress(&cinfo);
+ cinfo.input_components = 3;
+ jpeg_set_defaults(&cinfo);
+ cinfo.in_color_space = JCS_EXT_RGB;
+ jpeg_default_colorspace(&cinfo);
+ jcs_valid = 1;
+
+ done:
+ if (jcs_valid)
+ printf(" Working properly\n");
+ else
+ printf(" Not working properly. Error returned was:\n %s\n",
+ lasterror);
+
+ printf("libjpeg-turbo alpha colorspace extensions:\n");
+ #if JCS_ALPHA_EXTENSIONS
+ printf(" Present at compile time\n");
+ #else
+ printf(" Not present at compile time\n");
+ #endif
+
+ if(setjmp(jerr.jb)) {
+ /* this will execute if libjpeg has an error */
+ jcs_alpha_valid = 0;
+ goto done2;
+ }
+
+ cinfo.in_color_space = JCS_EXT_RGBA;
+ jpeg_default_colorspace(&cinfo);
+ jcs_alpha_valid = 1;
+
+ done2:
+ if (jcs_alpha_valid)
+ printf(" Working properly\n");
+ else
+ printf(" Not working properly. Error returned was:\n %s\n",
+ lasterror);
+
+ jpeg_destroy_compress(&cinfo);
+ return 0;
+}

Powered by Google App Engine
This is Rietveld 408576698