From 461937443cb25a32603151c42d5ecedcd4a91b1a Mon Sep 17 00:00:00 2001
From: Caleb Connolly <caleb@connolly.tech>
Date: Mon, 4 Oct 2021 01:52:24 +0100
Subject: [PATCH] first commit!

very messy implementation of a simple FB splash for postmarketOS.
---
 .gitignore     |  1 +
 .gitmodules    |  3 +++
 CMakeLists.txt | 13 +++++++++++++
 logo.h         | 26 +++++++++++++++++++++++++
 pbsplash.c     | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++
 tfblib         |  1 +
 6 files changed, 95 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .gitmodules
 create mode 100644 CMakeLists.txt
 create mode 100644 logo.h
 create mode 100644 pbsplash.c
 create mode 160000 tfblib

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..567609b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build/
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..96d8ae0
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "tfblib"]
+	path = tfblib
+	url = https://github.com/calebccff/tfblib
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..2603af1
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.10)
+
+# set the project name
+project(pbsplash)
+
+# add the executable
+add_executable(pbsplash pbsplash.c)
+
+include_directories(tfblib/include)
+
+add_subdirectory(tfblib)
+
+target_link_libraries(pbsplash tfb)
diff --git a/logo.h b/logo.h
new file mode 100644
index 0000000..0334dfa
--- /dev/null
+++ b/logo.h
@@ -0,0 +1,26 @@
+const float logo[] = {
+        // Top
+        50, 00, 35, 30, // top to left
+        35, 30, 38, 42, // top left point left
+        38, 42, 50, 40, // top left point right
+        50, 40, 67, 75, // top to right inside
+        67, 75, 70, 63,
+        70, 63, 83, 65,
+        83, 65, 50, 00, // top to right
+        // Bottom left
+        32, 35, 0, 100,
+        0, 100, 30, 100,
+        30, 100, 35, 90,
+        35, 90, 30, 80,
+        30, 80, 45, 45,
+        45, 45, 35, 47,
+        35, 47, 32, 35,
+        // Bottom right
+        35, 80, 40, 90,
+        40, 90, 35, 100,
+        35, 100, 100, 100,
+        100, 100, 85, 70,
+        85, 70, 73, 68,
+        73, 68, 70, 80,
+        70, 80, 35, 80,
+};
\ No newline at end of file
diff --git a/pbsplash.c b/pbsplash.c
new file mode 100644
index 0000000..ba06202
--- /dev/null
+++ b/pbsplash.c
@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include <tfblib/tfblib.h>
+#include <tfblib/tfb_colors.h>
+#include <unistd.h>
+
+#include "logo.h"
+
+int main(int argc, char **argv)
+{
+   int rc;
+   if ((rc = tfb_acquire_fb(TFB_FL_USE_DOUBLE_BUFFER, "/dev/fb0", "/dev/tty1")) != TFB_SUCCESS) {
+      fprintf(stderr, "tfb_acquire_fb() failed with error code: %d\n", rc);
+      return 1;
+   }
+
+   int w = (int) tfb_screen_width();
+   int h = (int) tfb_screen_height();
+   int sz = (float)(w < h ? w : h) * 0.5;
+   fprintf(stdout, "w=%du, h=%du\n", w, h);
+   float x = (float)w / 2 - sz / 2;
+   float y = (float)h / 2 - sz / 2 - 300;
+   float textX = x;
+   float textY = y;
+
+   while(true) {
+      /* Paint the whole screen in black */
+      tfb_clear_screen(tfb_black);
+      /* Draw a red rectangle at the center of the screen */
+      /* Draw some text on-screen */
+      tfb_draw_string_scaled(x + 75, y + sz + 40, tfb_white, tfb_black, 4, 4, "postmarketOS");
+
+      for (size_t i = 0; i < sizeof(logo) / sizeof(logo[0]); i+=4)
+      {
+         int x1 = (int) (logo[i] / 100 * sz) + (int)x;
+         int y1 = (int) (logo[i+1] / 100 * sz) + (int)y;
+         int x2 = (int) (logo[i+2] / 100 * sz) + (int)x;
+         int y2 = (int) (logo[i+3] / 100 * sz) + (int)y;
+         //printf("%f == ", logo[i] / 100 * w);
+         printf("x1: %d, y1: %d, x2: %d, y2: %d\n", x1, y1, x1, y2);
+         tfb_draw_line(x1, y1, x2, y2, tfb_green);
+      }
+
+      tfb_flush_window();
+      tfb_flush_fb();
+      usleep(50000);
+   }
+
+   getchar();
+   tfb_release_fb();
+   return 0;
+}
diff --git a/tfblib b/tfblib
new file mode 160000
index 0000000..6938919
--- /dev/null
+++ b/tfblib
@@ -0,0 +1 @@
+Subproject commit 69389193fcf1c4d632febcfa0d3bdd99eb1ae2b7