Using Rust libcaesium

.travis.yml

@@ -23,6 +23,6 @@ before_install:
 before_script:
   - mkdir build
   - cd build
-  - cmake ..
+  - cmake .. -DLIBCAESIUM_PATH=libcaesium/target/release
 
 script: make

INSTALL.md

@@ -11,16 +11,13 @@ You will also need cmake if you want to compile it from source.
 For Windows you just need to download the latest release package from [here](https://github.com/Lymphatus/caesium-clt/releases).  
 Unzip the package using your favorite software, open it and run `caesiumclt.exe` from the Command Prompt or PowerShell.
 
-### MacOS X
-**NOTE:** Homebrew installation will come soon. Use Linux instructions below for now.
-
-### Linux
+### MacOS X and Linux
 Download the latest release package from [here](https://github.com/Lymphatus/caesium-clt/releases) or clone from git.  
 Then run:
 
     $ cd caesium-clt
     $ mkdir build && cd build
-    $ cmake ..
+    $ cmake .. -DLIBCAESIUM_PATH=/your/libcaesium/path/dir
     $ make
     $ sudo make install
 

install.sh

@@ -3,10 +3,4 @@
 #libcaesium
 git clone https://github.com/Lymphatus/libcaesium.git
 cd libcaesium || exit
-sudo chmod +x install.sh
-./install.sh
-mkdir build
-cd build || exit
-cmake ..
-make
-sudo make install
+cargo build --release

src/CMakeLists.txt

@@ -7,7 +7,6 @@ FILE(GLOB CVendorHeaders vendor/*.h)
 
 add_executable(caesiumclt ${CVendorSources} ${CVendorHeaders} ${CSources} ${CHeaders})
 
-target_link_libraries(caesiumclt LINK_PUBLIC caesium)
-target_link_libraries(caesiumclt LINK_PUBLIC m)
+target_link_libraries(caesiumclt LINK_PUBLIC caesium m)
 
 install(TARGETS caesiumclt DESTINATION bin)

src/error.c

@@ -16,7 +16,6 @@
  */
 
 #include <stdio.h>
-#include <caesium.h>
 #include <stdlib.h>
 
 #include "error.h"

src/error.h

@@ -18,6 +18,12 @@
 #ifndef CAESIUMCLT_ERROR_H
 #define CAESIUMCLT_ERROR_H
 
+typedef enum error_level
+{
+    ERROR = 0,
+    WARNING = 1
+} error_level;
+
 void display_error(error_level level, int code);
 
 const char *get_error_message(int code);

src/helper.c

@@ -31,7 +31,7 @@
 #include "error.h"
 #include "shared.h"
 
-cclt_options parse_arguments(char **argv, cs_image_pars *options) {
+cclt_options parse_arguments(char **argv, C_CSParameters *options) {
     struct optparse opts;
     //Initialize application options
     cclt_options parameters = {NULL, "", "", false, false, 0, 0, 0, false, all};
@@ -53,16 +53,25 @@ cclt_options parse_arguments(char **argv, cs_image_pars *options) {
     };
     optparse_init(&opts, argv);
     int option;
+    int quality = 0;
     while ((option = optparse_long(&opts, longopts, NULL)) != -1) {
         switch (option) {
             case 'q':
-				options->jpeg.quality = (int) strtol(opts.optarg, (char **) NULL, 10);
-				if (options->jpeg.quality < 0 || options->jpeg.quality > 100) {
+                quality = (int) strtol(opts.optarg, (char **) NULL, 10);
+                if (quality < 0 || quality > 100) {
                     display_error(ERROR, 1);
                 }
+                if (quality == 0) {
+                    options->optimize = true;
+                } else {
+                    options->jpeg_quality = quality;
+                    options->png_level = parse_png_quality(quality);
+                    options->webp_quality = quality;
+                    options->gif_quality = quality;
+                }
                 break;
             case 'e':
-				options->jpeg.exif_copy = true;
+                options->keep_metadata = true;
                 break;
             case 'o':
                 if (opts.optarg[0] == '~') {
@@ -101,9 +110,6 @@ cclt_options parse_arguments(char **argv, cs_image_pars *options) {
 #endif
                 }
                 break;
-            case 's':
-                options->jpeg.scale_factor = options->png.scale_factor = parse_scale_factor(opts.optarg);
-                break;
             case 'R':
                 parameters.recursive = true;
                 break;
@@ -221,11 +227,11 @@ cclt_options parse_arguments(char **argv, cs_image_pars *options) {
     return parameters;
 }
 
-int start_compression(cclt_options *options, cs_image_pars *parameters) {
+int start_compression(cclt_options *options, struct C_CSParameters parameters) {
     int compressed_files = 0;
-    off_t input_file_size = 0;
-    off_t output_file_size = 0;
-    //Create the output folder if does not exists
+    off_t input_file_size;
+    off_t output_file_size;
+    //Create the output folder if it does not exist
     if (mkpath(options->output_folder) == -1) {
         display_error(ERROR, 5);
     }
@@ -235,8 +241,7 @@ int start_compression(cclt_options *options, cs_image_pars *parameters) {
         char *output_full_path = NULL;
         char *original_output_full_path = NULL;
         bool overwriting = false;
-        off_t file_size = 0;
-        int compression_error_code = 0;
+        off_t file_size;
         //If we don't need to keep the structure, we put all the files in one folder by just the filename
         if (!options->keep_structure) {
             output_full_path = malloc((strlen(filename) + strlen(options->output_folder) + 1) * sizeof(char));
@@ -307,7 +312,7 @@ int start_compression(cclt_options *options, cs_image_pars *parameters) {
         fflush(stdout);
         //Prevent compression if running in dry mode
         if (!options->dry_run) {
-            if (cs_compress(options->input_files[i], output_full_path, parameters, &compression_error_code)) {
+            if (c_compress(options->input_files[i], output_full_path, parameters)) {
                 compressed_files++;
                 output_file_size = get_file_size(output_full_path);
 
@@ -324,10 +329,9 @@ int start_compression(cclt_options *options, cs_image_pars *parameters) {
                 print_to_console(stdout, verbose, "\r%s -> %s [%.2f%%]\n",
                                  human_input_size,
                                  human_output_size,
-                        ((float) output_file_size - input_file_size) * 100 / input_file_size);
+                                 ((float) output_file_size - (float) input_file_size) * 100 / (float) input_file_size);
             } else {
-                print_to_console(stdout, verbose, "\n");
-                print_to_console(stderr, verbose, "Compression failed with error %d\n", compression_error_code);
+                print_to_console(stderr, verbose, "\nCompression failed\n");
                 options->input_total_size -= get_file_size(options->input_files[i]);
             }
         }

src/helper.h

@@ -18,12 +18,12 @@
 #ifndef CAESIUM_CLT_HELPER_H
 #define CAESIUM_CLT_HELPER_H
 
-#include <caesium.h>
-
 #ifdef _WIN32
 #define MAX_PATH_SIZE _MAX_PATH
 #else
 #include <limits.h>
+#include <stdbool.h>
+
 #define MAX_PATH_SIZE PATH_MAX
 #endif
 
@@ -34,6 +34,18 @@ typedef enum overwrite_policy {
 	all
 } overwrite_policy;
 
+typedef struct C_CSParameters {
+    bool keep_metadata;
+    unsigned int jpeg_quality;
+    unsigned int png_level;
+    bool png_force_zopfli;
+    unsigned int gif_quality;
+    unsigned int webp_quality;
+    bool optimize;
+} C_CSParameters;
+
+extern bool c_compress(const char *i, const char *o, struct C_CSParameters params);
+
 typedef struct cclt_options
 {
 	char **input_files;
@@ -50,8 +62,8 @@ typedef struct cclt_options
 
 
 
-cclt_options parse_arguments(char *argv[], cs_image_pars *options);
+cclt_options parse_arguments(char *argv[], C_CSParameters *options);
 
-int start_compression(cclt_options *options, cs_image_pars *parameters);
+int start_compression(cclt_options *options, struct C_CSParameters parameters);
 
 #endif //CAESIUM_CLT_HELPER_H

src/main.c

@@ -18,7 +18,6 @@
 #include <stdlib.h>
 #include <time.h>
 #include <stdio.h>
-#include <caesium.h>
 #include "utils.h"
 #include "shared.h"
 
@@ -31,18 +30,25 @@ int main(int argc, char *argv[])
 	}
 
 	long compression_time = 0;
-	cs_image_pars compress_options;
 	cclt_options options;
 
 	//Initialize the default parameters
-	compress_options = initialize_parameters();
+    C_CSParameters compress_options = {
+            false,
+            80,
+            3,
+            false,
+            20,
+            60,
+            false
+    };
 	//Set them according to command line parameters
 	options = parse_arguments(argv, &compress_options);
 
 	//Start a timer before calling the compression
 	clock_t start = clock(), diff;
 
-	start_compression(&options, &compress_options);
+	start_compression(&options, compress_options);
 
 	//Cleanup the memory allocated objects
 	free(options.input_files);

src/utils.h

@@ -38,12 +38,12 @@ bool file_exists(const char* file_path);
 
 int strndx(const char* string, char search);
 
-double parse_scale_factor(const char* factor_string);
-
 overwrite_policy parse_overwrite_policy(const char* overwrite_string);
 
 void print_to_console(FILE* buffer, int verbose, const char* format, ...);
 
+int parse_png_quality(int quality);
+
 #ifdef _WIN32
 char *str_replace(char *orig, char *rep, char *with);
 char *strsep(char **stringp, const char *delim);