From: Jakob Haufe <sur5r@sur5r.net>
Date: Tue, 7 Aug 2018 20:10:22 +0000 (+0200)
Subject: Import as-is
X-Git-Url: https://git.sur5r.net/?p=iecprint;a=commitdiff_plain

Import as-is
---

a7ac642e73794ceabacc49f65ac499aa93fa8153
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..fff73cc
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,11 @@
+all: iecprint image2mps
+
+iecprint: iecprint.c
+	gcc -Wall -std=c99 -o $@ $< -lopencbm
+
+image2mps: image2mps.cpp
+	g++ -Wall -std=c++11 $(shell pkg-config --cflags --libs Magick++) -o $@ $<
+
+clean:
+	rm -f iecprint image2mps
+
diff --git a/iecprint.c b/iecprint.c
new file mode 100644
index 0000000..bda5b50
--- /dev/null
+++ b/iecprint.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <opencbm.h>
+
+const unsigned int BUFSIZE=16;
+
+int main(int argc, char **argv)
+{
+    unsigned char devnr;
+    CBM_FILE cbm;
+    char buffer[BUFSIZE];
+    ssize_t numbytes;
+    ssize_t totalbytes=0;
+
+    if(argc != 2)
+        return 1;
+
+    devnr=atoi(argv[1]);
+
+    setbuf(stdout, NULL);
+
+    cbm_driver_open(&cbm,0);
+    cbm_lock(cbm);
+    cbm_listen(cbm, devnr, 0);
+    while((numbytes=read(0, buffer, BUFSIZE)) > 0)
+    {
+        totalbytes+=numbytes;
+        cbm_raw_write(cbm, buffer, numbytes);
+        printf("Wrote %6ld bytes\r", totalbytes);
+    }
+
+    printf("\r\n");
+    cbm_unlisten(cbm);
+    cbm_unlock(cbm);
+    cbm_driver_close(cbm);
+
+
+}
diff --git a/image2mps.cpp b/image2mps.cpp
new file mode 100644
index 0000000..9152819
--- /dev/null
+++ b/image2mps.cpp
@@ -0,0 +1,64 @@
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include <Magick++.h>
+
+const unsigned int MAX_WIDTH=480;
+
+int usage(const char* name)
+{
+    std::cerr << "Usage: " << name << " IMAGE" << std::endl << "MPS801 datastream gets written to stdout" << std::endl;
+    return 1;
+}
+
+int main(int argc, char **argv)
+{
+    if(argc != 2)
+        return usage(argv[0]);
+
+    auto img = Magick::Image(argv[1]);
+
+    if(img.columns() > MAX_WIDTH)
+    {
+        std::cerr << "Cropping width to " << MAX_WIDTH << "px" << std::endl;
+        img.crop(Magick::Geometry(MAX_WIDTH, img.rows(), 0, 0));
+    }
+
+    if(img.totalColors() > 2)
+    {
+        std::cerr << "Converting to bi-level image." << std::endl;
+        img.type(Magick::BilevelType);
+    }
+
+    std::vector<std::vector<uint8_t>> mps;
+    mps.insert(mps.begin(), { 0x08 });
+
+    img.modifyImage();
+    auto columns = img.columns();
+    auto rows = img.columns();
+
+    auto pixels = img.getPixels(0, 0, columns, rows);
+
+    for(size_t row=0; row < rows; row+=7)
+    {
+        std::vector<uint8_t> line(columns, 0x80);
+        for(auto subrow=0; subrow < 7; subrow++)
+        {
+            if(row+subrow >= rows)
+                break;
+            for(size_t column=0; column < columns; column++)
+            {
+                auto pixel = pixels + (row+subrow)*columns + column;
+                if((pixel->red)==0)
+                    line[column] |= 1<<subrow;
+            }
+        }
+        mps.push_back(line);
+        mps.push_back({0x15, 0x0D, 0x08});
+    }
+
+    for(auto line : mps)
+        for(auto byte: line)
+            std::cout << byte;
+}