From be691582ee12613278af24cb5a824eeb357f6324 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji@benjidial.net>
Date: Mon, 29 Jul 2024 11:27:22 -0400
Subject: some work on compositor

---
 applications/hello/makefile        | 12 ++++++++++++
 applications/hello/source/main.cpp | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 applications/hello/makefile
 create mode 100644 applications/hello/source/main.cpp

(limited to 'applications/hello')

diff --git a/applications/hello/makefile b/applications/hello/makefile
new file mode 100644
index 0000000..5e12644
--- /dev/null
+++ b/applications/hello/makefile
@@ -0,0 +1,12 @@
+SOURCES = \
+  main.cpp
+
+build/%.cpp.o: source/%.cpp
+	@mkdir -p $(@D)
+	$(HILBERT_CC) -c $^ -o $@
+
+build/hello.elf: $(SOURCES:%=build/%.o)
+	$(HILBERT_CC) $^ -ldaguerre -o $@
+
+clean:
+	rm -rf build
diff --git a/applications/hello/source/main.cpp b/applications/hello/source/main.cpp
new file mode 100644
index 0000000..3f132c6
--- /dev/null
+++ b/applications/hello/source/main.cpp
@@ -0,0 +1,37 @@
+#include <goldman/protocol.hpp>
+#include <daguerre/psf.hpp>
+
+template <class color_t>
+void overlay(color_t &to, const bool &from, const color_t &param) {
+  if (from)
+    to = param;
+}
+
+int main(int, char **) {
+
+  auto bg = euler::syscall::encode_color(0xaa, 0xaa, 0xaa);
+  auto fg = euler::syscall::encode_color(0x00, 0x00, 0x00);
+
+  daguerre::image<daguerre::hilbert_color> image(300, 200);
+  image.fill(bg);
+
+  auto font = daguerre::try_load_psf("/assets/terminus-bold-18x10.psf");
+  image.render_text(*font, fg, 10, 10, "Hello, world!", &overlay);
+
+  euler::syscall::stream_handle s;
+  euler::syscall::connect_to_socket("hilbert.compositor", s);
+
+  goldman::protocol::send_open_window(s, 300, 200);
+
+  uint8_t byte;
+  euler::syscall::read_from_stream(s, 1, &byte);
+
+  auto w = goldman::protocol::get_window_opened_body(s);
+
+  goldman::protocol::send_update_window_region(
+    s, w, 0, 0, 300, 200, image.buffer, image.buffer_pitch);
+
+  euler::syscall::read_from_stream(s, 1, &byte);
+  __builtin_unreachable();
+
+}
-- 
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