From 1a4f003f6a95a0e2aabd637b41298f0d9a61f060 Mon Sep 17 00:00:00 2001
From: Drahflow <drahflow@gmx.de>
Date: Sat, 3 May 2014 04:51:52 +0200
Subject: [PATCH] C blitting clients
---
fastclient/Makefile | 11 ++++++
fastclient/client.c | 94 +++++++++++++++++++++++++++++++++++++++++++++
fastclient/flash.c | 85 ++++++++++++++++++++++++++++++++++++++++
fastclient/snow.c | 93 ++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 283 insertions(+)
create mode 100644 fastclient/Makefile
create mode 100644 fastclient/client.c
create mode 100644 fastclient/flash.c
create mode 100644 fastclient/snow.c
diff --git a/fastclient/Makefile b/fastclient/Makefile
new file mode 100644
index 0000000..032ab9a
--- /dev/null
+++ b/fastclient/Makefile
@@ -0,0 +1,11 @@
+flash: flash.o
+ g++ -lzmq -o $@ $<
+
+snow: snow.o
+ g++ -lzmq -o $@ $<
+
+client: client.o
+ g++ -lzmq -o $@ $<
+
+%.o: %.c
+ g++ -W -Wall -Wextra -pedantic -std=c++11 -c -o $@ $<
diff --git a/fastclient/client.c b/fastclient/client.c
new file mode 100644
index 0000000..4432d3f
--- /dev/null
+++ b/fastclient/client.c
@@ -0,0 +1,94 @@
+// Hello World client
+#include <zmq.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <vector>
+
+#define WIDTH 480
+#define HEIGHT 70
+
+#define CMD_PIXEL 0
+#define CMD_BLIT 1
+
+struct msgSetPixel {
+ uint8_t cmd;
+ uint32_t x;
+ uint32_t y;
+ uint8_t on;
+} __attribute__ ((packed));
+
+struct msgBlit {
+ uint8_t cmd;
+ uint32_t x;
+ uint32_t y;
+ uint32_t w;
+ uint32_t h;
+ uint8_t data[0];
+} __attribute__ ((packed));
+
+int main (void) {
+ void *context = zmq_ctx_new ();
+ void *requester;
+
+ requester = zmq_socket (context, ZMQ_REQ);
+ zmq_connect(requester, "tcp://mensadisplay:5556");
+ // zmq_connect(requester, "tcp://192.168.178.147:5570");
+ // zmq_connect(requester, "tcp://localhost:5556");
+
+ int x = 0;
+
+ msgBlit *onLine = reinterpret_cast<msgBlit *>(malloc(sizeof(msgBlit) + 70));
+ onLine->cmd = CMD_BLIT;
+ onLine->y = 0;
+ onLine->w = 1;
+ onLine->h = HEIGHT;
+ for(int i = 0; i < 70; ++i) onLine->data[i] = 255;
+
+ msgBlit *offLine = reinterpret_cast<msgBlit *>(malloc(sizeof(msgBlit) + 70));
+ offLine->cmd = CMD_BLIT;
+ offLine->y = 0;
+ offLine->w = 1;
+ offLine->h = HEIGHT;
+ for(int i = 0; i < 70; ++i) offLine->data[i] = 0;
+
+ while(1) {
+ zmq_msg_t msg;
+// for(int i = 0; i < HEIGHT; ++i) {
+// zmq_msg_init_size(&msg, sizeof(msgSetPixel));
+// msgSetPixel set = { CMD_PIXEL, static_cast<uint32_t>((x + 1) % 480), static_cast<uint32_t>(i), 1 };
+// memcpy(zmq_msg_data(&msg), &set, sizeof(set));
+// zmq_msg_send(&msg, requester, ZMQ_SNDMORE);
+// }
+//
+// for(int i = HEIGHT; i < HEIGHT * 2; ++i) {
+// zmq_msg_init_size(&msg, sizeof(msgSetPixel));
+// msgSetPixel set = { CMD_PIXEL, static_cast<uint32_t>(x % 480), static_cast<uint32_t>(i - HEIGHT), 0 };
+// memcpy(zmq_msg_data(&msg), &set, sizeof(set));
+// zmq_msg_send(&msg, requester, ZMQ_SNDMORE);
+// }
+
+ zmq_msg_init_size(&msg, sizeof(msgBlit) + 70);
+ onLine->x = (x + 1) % 480;
+ memcpy(zmq_msg_data(&msg), onLine, sizeof(msgBlit) + 70);
+ zmq_msg_send(&msg, requester, ZMQ_SNDMORE);
+
+ zmq_msg_init_size(&msg, sizeof(msgBlit) + 70);
+ offLine->x = x % 480;
+ memcpy(zmq_msg_data(&msg), offLine, sizeof(msgBlit) + 70);
+ zmq_msg_send(&msg, requester, ZMQ_SNDMORE);
+
+ zmq_msg_init_size(&msg, 0);
+ zmq_msg_send(&msg, requester, 0);
+ zmq_recv(requester, NULL, 0, 0);
+
+ x = (x + 1) % 480;
+ }
+
+ zmq_close(requester);
+
+ zmq_ctx_destroy(context);
+ return 0;
+}
diff --git a/fastclient/flash.c b/fastclient/flash.c
new file mode 100644
index 0000000..1c4d4b9
--- /dev/null
+++ b/fastclient/flash.c
@@ -0,0 +1,85 @@
+// Hello World client
+#include <zmq.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <vector>
+#include <math.h>
+
+#define WIDTH 480
+#define HEIGHT 70
+
+#define CMD_PIXEL 0
+#define CMD_BLIT 1
+
+struct msgSetPixel {
+ uint8_t cmd;
+ uint32_t x;
+ uint32_t y;
+ uint8_t on;
+} __attribute__ ((packed));
+
+struct msgBlit {
+ uint8_t cmd;
+ uint32_t x;
+ uint32_t y;
+ uint32_t w;
+ uint32_t h;
+ uint8_t data[0];
+} __attribute__ ((packed));
+
+int main (void) {
+ void *context = zmq_ctx_new ();
+ void *requester;
+
+ requester = zmq_socket (context, ZMQ_REQ);
+ zmq_connect(requester, "tcp://mensadisplay:5556");
+ // zmq_connect(requester, "tcp://192.168.178.147:5570");
+ // zmq_connect(requester, "tcp://localhost:5556");
+
+ msgBlit *snow = reinterpret_cast<msgBlit *>(malloc(sizeof(msgBlit) + WIDTH * HEIGHT));
+ snow->cmd = CMD_BLIT;
+ snow->x = 0;
+ snow->y = 0;
+ snow->w = WIDTH;
+ snow->h = HEIGHT;
+
+ int on = 0;
+
+ while(1) {
+ zmq_msg_t msg;
+ zmq_msg_init_size(&msg, sizeof(msgBlit) + WIDTH * HEIGHT);
+ int d = 0;
+
+ switch(on) {
+ case 0: d = 0; break;
+ case 1: d = 0; break;
+ case 2: d = 0; break;
+ case 3: d = 0; break;
+ case 4: d = 1; break;
+ case 5: d = 1; break;
+ case 6: d = 0; break;
+ case 7: d = 1; break;
+ }
+
+ for(int i = 0; i < WIDTH * HEIGHT; ++i) {
+ snow->data[i] = d;
+ }
+
+ on = (on + 1) % 8;
+
+ memcpy(zmq_msg_data(&msg), snow, sizeof(msgBlit) + WIDTH * HEIGHT);
+ zmq_msg_send(&msg, requester, ZMQ_SNDMORE);
+
+ zmq_msg_init_size(&msg, 0);
+ zmq_msg_send(&msg, requester, 0);
+ zmq_recv(requester, NULL, 0, 0);
+ }
+
+ zmq_close(requester);
+
+ zmq_ctx_destroy(context);
+ return 0;
+}
diff --git a/fastclient/snow.c b/fastclient/snow.c
new file mode 100644
index 0000000..55a97ff
--- /dev/null
+++ b/fastclient/snow.c
@@ -0,0 +1,93 @@
+// Hello World client
+#include <zmq.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <vector>
+#include <math.h>
+
+#define WIDTH 480
+#define HEIGHT 70
+
+#define CMD_PIXEL 0
+#define CMD_BLIT 1
+
+struct msgSetPixel {
+ uint8_t cmd;
+ uint32_t x;
+ uint32_t y;
+ uint8_t on;
+} __attribute__ ((packed));
+
+struct msgBlit {
+ uint8_t cmd;
+ uint32_t x;
+ uint32_t y;
+ uint32_t w;
+ uint32_t h;
+ uint8_t data[0];
+} __attribute__ ((packed));
+
+int main (void) {
+ void *context = zmq_ctx_new ();
+ void *requester;
+
+ requester = zmq_socket (context, ZMQ_REQ);
+ zmq_connect(requester, "tcp://mensadisplay:5556");
+ // zmq_connect(requester, "tcp://192.168.178.147:5570");
+ // zmq_connect(requester, "tcp://localhost:5556");
+
+ msgBlit *snow = reinterpret_cast<msgBlit *>(malloc(sizeof(msgBlit) + WIDTH * HEIGHT));
+ snow->cmd = CMD_BLIT;
+ snow->x = 0;
+ snow->y = 0;
+ snow->w = WIDTH;
+ snow->h = HEIGHT;
+
+ float f[HEIGHT / 7] = { 0 };
+ float dir[HEIGHT / 7] = { 0 };
+ float sharpness[HEIGHT / 7] = { 0 };
+
+ for(int i = 0; i < HEIGHT / 7; ++i) {
+ dir[i] = 0.2;
+ sharpness[i] = 2;
+ }
+
+ while(1) {
+ zmq_msg_t msg;
+ zmq_msg_init_size(&msg, sizeof(msgBlit) + WIDTH * HEIGHT);
+ for(int i = 0; i < WIDTH * HEIGHT; ++i) {
+ int x = i % WIDTH;
+ int y = i / WIDTH;
+
+ int thresh = 32768 + sharpness[y / 7] * sin(f[y / 7] + 1.0 * x / 60) * 32768;
+
+ snow->data[i] = (rand() % 65536) > thresh;
+ }
+
+ for(int i = 0; i < HEIGHT / 7; ++i) {
+ f[i] += dir[i];
+ }
+
+ if(!(rand() % 100)) {
+ dir[rand() % (HEIGHT / 7)] *= -1;
+ }
+ if(!(rand() % 100)) {
+ sharpness[rand() % (HEIGHT / 7)] = 1 + rand() % 3;
+ }
+
+ memcpy(zmq_msg_data(&msg), snow, sizeof(msgBlit) + WIDTH * HEIGHT);
+ zmq_msg_send(&msg, requester, ZMQ_SNDMORE);
+
+ zmq_msg_init_size(&msg, 0);
+ zmq_msg_send(&msg, requester, 0);
+ zmq_recv(requester, NULL, 0, 0);
+ }
+
+ zmq_close(requester);
+
+ zmq_ctx_destroy(context);
+ return 0;
+}
--
GitLab