commit db2b11b9e8966b5afccbd9a7503525c5ef999f45
Author: Remy Noulin <loader2x@gmail.com>
Date: Sat, 3 Oct 2020 21:03:25 +0200
display RGB images in terminal
README.md | 22 +++++++++++
package.yml | 40 +++++++++++++++++++
textPixel.c | 127 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 189 insertions(+)
Diffstat:
| A | README.md | | | 22 | ++++++++++++++++++++++ |
| A | package.yml | | | 40 | ++++++++++++++++++++++++++++++++++++++++ |
| A | textPixel.c | | | 127 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
3 files changed, 189 insertions(+), 0 deletions(-)
diff --git a/README.md b/README.md
@@ -0,0 +1,22 @@
+# Sheepy
+This is a sheepy package for [sheepy](https://spartatek.se/r/sheepy/file/README.md.html) and using [libsheepy](https://spartatek.se/r/libsheepy/file/README.md.html)
+
+# textPixel
+
+textPixel displays images in RGB in the terminal with 2 pixel lines per character line using unicode character 0x2584 (half plain rectangle).
+
+textPixel depends on:
+- ImageMagick (recent version)
+- Terminal supporting RGB colors and unicode
+
+# Usage
+
+Install with spm: `spm -g install textPixel`
+
+Display images:
+```
+# display image to terminal width:
+textPixel pathToImage
+# display image with 40 pixel/character width
+textPixel pathToImage -w 40
+```
diff --git a/package.yml b/package.yml
@@ -0,0 +1,40 @@
+---
+ name: textPixel
+ version: 0.0.1
+ description: "display images in terminal"
+ bin: ./textPixel.c
+ #cflags: -DA -g3 -std=gnu11 -fPIC -pipe
+ #lflags: -lpcre
+ repository:
+ type: git
+ url: git+https://noulin.net/git/textPixel.git
+ keywords:
+ #- utility
+ - command
+ - images
+ - terminal
+ - graphics
+ author: Remy
+ license: MIT
+ bugs:
+ url: https://noulin.net/git/textPixel/issues
+ homepage: https://noulin.net/textPixel/file/README.md.html
+ #compileHelp: # text displayed when there is a compilation error
+ #dependencies:
+ # md4c:
+ # Test configuration:
+ #testBin: ./testTextPixel.c
+ #testCflags: -g3 -std=gnu11 -fPIC -pipe -fprofile-arcs -ftest-coverage -Wall -Wextra
+ #testLflags: -lcheck_pic -lrt -lm -lsubunit -fprofile-arcs -ftest-coverage -rdynamic
+ # Memcheck configuration (sheepy -m):
+ #memcheckBin: ./memcheckTextPixel.c
+ #memcheckCmd: valgrind --leak-check=full --show-leak-kinds=all --error-exitcode=1
+ #memcheckCflags: -g3 -std=gnu11 -fPIC -pipe
+ #memcheckLflags: -rdynamic
+ # The asan* are the options for building the libsasan tests (sheepy -a):
+ #asanBin: ./asanTextPixel.c
+ #asanCmd: env ASAN_OPTIONS="detect_leaks=1:detect_stack_use_after_return=1:halt_on_error=0:log_path=stdout:color=always:print_cmdline=1"
+ #asanCflags: -fsanitize=address -fno-omit-frame-pointer -fsanitize-recover=address # these flags are overriden by package.yml
+ #asanLflags: -rdynamic -fsanitize=address -lasan # these flags are overriden by package.yml
+ #documentationCmd: # command for generating the documentation with spm doc
+ private: false # true for private package
diff --git a/textPixel.c b/textPixel.c
@@ -0,0 +1,127 @@
+#! /usr/bin/env sheepy
+/* or direct path to sheepy: #! /usr/local/bin/sheepy */
+
+/* Libsheepy documentation: https://spartatek.se/libsheepy/ */
+#include "libsheepyObject.h"
+
+int argc; char **argv;
+
+/* enable/disable logging */
+/* #undef pLog */
+/* #define pLog(...) */
+
+typ struct {u16 rows; u16 cols;} winSizet;
+winSizet wsize (void);
+u32 text2Color(char *s);
+
+int main(int ARGC, char** ARGV) {
+
+ argc = ARGC; argv = ARGV;
+
+ initLibsheepy(ARGV[0]);
+ setLogMode(LOG_FUNC);
+ //openProgLogFile();
+ //setLogSymbols(LOG_UTF8);
+ //disableLibsheepyErrorLogs;
+
+ if (argc < 2) {
+ logE("Image name missing.");
+ logI("Usage: textPixel imagePath [-w width]\nwidth must be a positive integer.");
+ XFAILURE;
+ }
+
+ if (not isPath(argv[1])) {
+ logE("File not found '%s'.", argv[1]);
+ logI("Usage: textPixel imagePath [-w width]\nwidth must be a positive integer.");
+ XFAILURE;
+ }
+
+ i32 width = 0;
+
+ if (argc > 2) {
+ if (argc != 4) {
+ logE("Usage: textPixel imagePath [-w width]\nwidth must be a positive integer.");
+ XFAILURE;
+ }
+ if (not eqG(argv[2], "-w")) {
+ logE("Usage: textPixel imagePath [-w width]\nwidth must be a positive integer.");
+ XFAILURE;
+ }
+ width = parseInt(argv[3]);
+ if (not width) {
+ logE("Usage: textPixel imagePath [-w width]\nwidth must be a positive integer.");
+ XFAILURE;
+ }
+ }
+
+ // find terminal size
+ winSizet sz = wsize(); // window cols
+
+ if (not width) width = sz.cols;
+
+ var r = execOutf("convert %s -resize %d txt:-", argv[1], width);
+ //logG(r);
+
+ // r is a list of pixels like this:
+ // 99,132: (22616,22616,22616) #585858 srgb(88,88,88)
+
+ rune rectangle = 0x2584;
+ char rect[6] = init0Var;
+ bRune2CodeUTF8(rect, rectangle);
+ //printf("%K%k%s"RST, 0xFFFFFF, 0x99BBFF, rect); // print unicode character for 2 pixels
+
+
+ // delete first line (not a pixel)
+ delElemG(&r, 0);
+
+ u64 count = 0;
+ u64 line = 0;
+ bool skip100 = no;
+ var len = lenG(r);
+ // loop on pixels
+ forEachS(r, s) {
+ if (not skip100) {
+ #define bottomPixel (count+ line*(width*2) +width)
+ if (bottomPixel >= len) break;
+ u32 colorUp = text2Color(s);
+ u32 colorDown = text2Color(r[bottomPixel]);
+ printf("%K%k%s"RST, colorUp, colorDown, rect);
+ }
+ count++;
+ if (count == width) {
+ if (not skip100) {
+ //printf("$"); // end of line
+ put;
+ line++;
+ }
+ count = 0;
+ skip100 = skip100 ? no : yes;
+ }
+ } // pixel loop
+}
+
+u32 text2Color(char *s) {
+ char *color = findG(s, "#")-1;
+ color[0] = '0';
+ color[1] = 'x';
+ char *end = findG(color, " ");
+ *end = 0;
+ //logVarG(color);
+ u32 r = parseHex(color);
+ //printf("%x\n",hexColor);
+ ret r;
+}
+
+/* terminal window size */
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+winSizet wsize (void)
+{
+ struct winsize w;
+ ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
+
+ return (winSizet){w.ws_row, w.ws_col};
+}
+
+// vim: set expandtab ts=2 sw=2:
