Mangle the names of the libjpeg functions so gtk/gdk doesn't try to use our libjpeg.

TEST=along with <http://codereview.chromium.org/151100>, it's possible to preview jpeg images
BUG=none

Review URL: http://codereview.chromium.org/151163

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@19873 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 121 insertions, 0 deletions

diff --git a/third_party/libjpeg/README.chromium b/third_party/libjpeg/README.chromium
index 11da09d..809abe7 100644
--- a/third_party/libjpeg/README.chromium
+++ b/third_party/libjpeg/README.chromium
@@ -8,3 +8,7 @@ Also not included are files obviously not needed:
   jmemdos.c
   jmemname.c
 along with all of the frontend files for doing utility programs.
+
+We added a new file jpeglibmangler.h and included it from jpeglib.h that changes
+the names of all externally visible functions to chromium_* so that we can avoid
+conflicts that arise when system libraries attempt to use our libjpeg.
diff --git a/third_party/libjpeg/jpeglib.h b/third_party/libjpeg/jpeglib.h
index d1be8dd..668beb6 100644
--- a/third_party/libjpeg/jpeglib.h
+++ b/third_party/libjpeg/jpeglib.h
@@ -13,6 +13,10 @@
 #ifndef JPEGLIB_H
 #define JPEGLIB_H
 
+/* Begin chromium edits */
+#include "jpeglibmangler.h"
+/* End chromium edits */
+
 /*
  * First we include the configuration files that record how this
  * installation of the JPEG library is set up.  jconfig.h can be
diff --git a/third_party/libjpeg/jpeglibmangler.h b/third_party/libjpeg/jpeglibmangler.h
new file mode 100644
index 0000000..85ab8a0
--- /dev/null
+++ b/third_party/libjpeg/jpeglibmangler.h
@@ -0,0 +1,113 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef THIRD_PARTY_LIBJPEG_JPEGLIBMANGLER_H_
+#define THIRD_PARTY_LIBJPEG_JPEGLIBMANGLER_H_
+
+// Mangle all externally visible function names so we can build our own libjpeg
+// without system libraries trying to use it.
+
+#define jpeg_make_c_derived_tbl chromium_jpeg_make_c_derived_tbl
+#define jpeg_gen_optimal_table chromium_jpeg_gen_optimal_table
+#define jpeg_make_d_derived_tbl chromium_jpeg_make_d_derived_tbl
+#define jpeg_fill_bit_buffer chromium_jpeg_fill_bit_buffer
+#define jpeg_huff_decode chromium_jpeg_huff_decode
+#define jpeg_fdct_islow chromium_jpeg_fdct_islow
+#define jpeg_fdct_ifast chromium_jpeg_fdct_ifast
+#define jpeg_fdct_float chromium_jpeg_fdct_float
+#define jpeg_idct_islow chromium_jpeg_idct_islow
+#define jpeg_idct_ifast chromium_jpeg_idct_ifast
+#define jpeg_idct_float chromium_jpeg_idct_float
+#define jpeg_idct_4x4 chromium_jpeg_idct_4x4
+#define jpeg_idct_2x2 chromium_jpeg_idct_2x2
+#define jpeg_idct_1x1 chromium_jpeg_idct_1x1
+#define jinit_compress_master chromium_jinit_compress_master
+#define jinit_c_master_control chromium_jinit_c_master_control
+#define jinit_c_main_controller chromium_jinit_c_main_controller
+#define jinit_c_prep_controller chromium_jinit_c_prep_controller
+#define jinit_c_coef_controller chromium_jinit_c_coef_controller
+#define jinit_color_converter chromium_jinit_color_converter
+#define jinit_downsampler chromium_jinit_downsampler
+#define jinit_forward_dct chromium_jinit_forward_dct
+#define jinit_huff_encoder chromium_jinit_huff_encoder
+#define jinit_phuff_encoder chromium_jinit_phuff_encoder
+#define jinit_marker_writer chromium_jinit_marker_writer
+#define jinit_master_decompress chromium_jinit_master_decompress
+#define jinit_d_main_controller chromium_jinit_d_main_controller
+#define jinit_d_coef_controller chromium_jinit_d_coef_controller
+#define jinit_d_post_controller chromium_jinit_d_post_controller
+#define jinit_input_controller chromium_jinit_input_controller
+#define jinit_marker_reader chromium_jinit_marker_reader
+#define jinit_huff_decoder chromium_jinit_huff_decoder
+#define jinit_phuff_decoder chromium_jinit_phuff_decoder
+#define jinit_inverse_dct chromium_jinit_inverse_dct
+#define jinit_upsampler chromium_jinit_upsampler
+#define jinit_color_deconverter chromium_jinit_color_deconverter
+#define jinit_1pass_quantizer chromium_jinit_1pass_quantizer
+#define jinit_2pass_quantizer chromium_jinit_2pass_quantizer
+#define jinit_merged_upsampler chromium_jinit_merged_upsampler
+#define jinit_memory_mgr chromium_jinit_memory_mgr
+#define jdiv_round_up chromium_jdiv_round_up
+#define jround_up chromium_jround_up
+#define jcopy_sample_rows chromium_jcopy_sample_rows
+#define jcopy_block_row chromium_jcopy_block_row
+#define jzero_far chromium_jzero_far
+#define jpeg_std_error chromium_jpeg_std_error
+#define jpeg_CreateCompress chromium_jpeg_CreateCompress
+#define jpeg_CreateDecompress chromium_jpeg_CreateDecompress
+#define jpeg_destroy_compress chromium_jpeg_destroy_compress
+#define jpeg_destroy_decompress chromium_jpeg_destroy_decompress
+#define jpeg_stdio_dest chromium_jpeg_stdio_dest
+#define jpeg_stdio_src chromium_jpeg_stdio_src
+#define jpeg_set_defaults chromium_jpeg_set_defaults
+#define jpeg_set_colorspace chromium_jpeg_set_colorspace
+#define jpeg_default_colorspace chromium_jpeg_default_colorspace
+#define jpeg_set_quality chromium_jpeg_set_quality
+#define jpeg_set_linear_quality chromium_jpeg_set_linear_quality
+#define jpeg_add_quant_table chromium_jpeg_add_quant_table
+#define jpeg_quality_scaling chromium_jpeg_quality_scaling
+#define jpeg_simple_progression chromium_jpeg_simple_progression
+#define jpeg_suppress_tables chromium_jpeg_suppress_tables
+#define jpeg_alloc_quant_table chromium_jpeg_alloc_quant_table
+#define jpeg_alloc_huff_table chromium_jpeg_alloc_huff_table
+#define jpeg_start_compress chromium_jpeg_start_compress
+#define jpeg_write_scanlines chromium_jpeg_write_scanlines
+#define jpeg_finish_compress chromium_jpeg_finish_compress
+#define jpeg_write_raw_data chromium_jpeg_write_raw_data
+#define jpeg_write_marker chromium_jpeg_write_marker
+#define jpeg_write_m_header chromium_jpeg_write_m_header
+#define jpeg_write_m_byte chromium_jpeg_write_m_byte
+#define jpeg_write_tables chromium_jpeg_write_tables
+#define jpeg_read_header chromium_jpeg_read_header
+#define jpeg_start_decompress chromium_jpeg_start_decompress
+#define jpeg_read_scanlines chromium_jpeg_read_scanlines
+#define jpeg_finish_decompress chromium_jpeg_finish_decompress
+#define jpeg_read_raw_data chromium_jpeg_read_raw_data
+#define jpeg_has_multiple_scans chromium_jpeg_has_multiple_scans
+#define jpeg_start_output chromium_jpeg_start_output
+#define jpeg_finish_output chromium_jpeg_finish_output
+#define jpeg_input_complete chromium_jpeg_input_complete
+#define jpeg_new_colormap chromium_jpeg_new_colormap
+#define jpeg_consume_input chromium_jpeg_consume_input
+#define jpeg_calc_output_dimensions chromium_jpeg_calc_output_dimensions
+#define jpeg_save_markers chromium_jpeg_save_markers
+#define jpeg_set_marker_processor chromium_jpeg_set_marker_processor
+#define jpeg_read_coefficients chromium_jpeg_read_coefficients
+#define jpeg_write_coefficients chromium_jpeg_write_coefficients
+#define jpeg_copy_critical_parameters chromium_jpeg_copy_critical_parameters
+#define jpeg_abort_compress chromium_jpeg_abort_compress
+#define jpeg_abort_decompress chromium_jpeg_abort_decompress
+#define jpeg_abort chromium_jpeg_abort
+#define jpeg_destroy chromium_jpeg_destroy
+#define jpeg_resync_to_restart chromium_jpeg_resync_to_restart
+#define jpeg_get_small chromium_jpeg_get_small
+#define jpeg_free_small chromium_jpeg_free_small
+#define jpeg_get_large chromium_jpeg_get_large
+#define jpeg_free_large chromium_jpeg_free_large
+#define jpeg_mem_available chromium_jpeg_mem_available
+#define jpeg_open_backing_store chromium_jpeg_open_backing_store
+#define jpeg_mem_init chromium_jpeg_mem_init
+#define jpeg_mem_term chromium_jpeg_mem_term
+
+#endif  // THIRD_PARTY_LIBJPEG_JPEGLIBMANGLER_H_