From 59e75e9403668871cdffc089c7ed3ea5fea44802 Mon Sep 17 00:00:00 2001
From: "Zed A. Shaw" <zed.shaw@gmail.com>
Date: Wed, 11 Mar 2026 08:01:54 -0400
Subject: [PATCH] I can load images now.

---
 meson.build                       |  9 ++++++++-
 sample/01-a-good-first-program.md |  5 +++--
 src/backend.cpp                   | 33 +++++++++++++++++++++++++++++++
 src/backend.hpp                   | 14 +++++++++++++
 src/main.cpp                      |  4 ++--
 src/slides_ui.cpp                 |  7 +++----
 6 files changed, 63 insertions(+), 9 deletions(-)
 create mode 100644 src/backend.cpp
 create mode 100644 src/backend.hpp

diff --git a/meson.build b/meson.build
index 2d23244..e297b7f 100644
--- a/meson.build
+++ b/meson.build
@@ -8,7 +8,13 @@ project('bezos-loves-slides', 'cpp',
   ])
 
 # use this for common options only for our executables
-cpp_args=[]
+cpp_args=[
+  '-Wno-unused-parameter',
+  '-Wno-unused-function',
+  '-Wno-unused-variable',
+  '-Wno-unused-but-set-variable',
+  '-Wno-deprecated-declarations',
+]
 link_args=[]
 # these are passed as override_defaults
 exe_defaults = [ 'warning_level=2' ]
@@ -85,6 +91,7 @@ sources = [
   'src/control_ui.cpp',
   'src/slides_ui.cpp',
   'src/parser.cpp',
+  'src/backend.cpp',
 ]
 
 tests = [
diff --git a/sample/01-a-good-first-program.md b/sample/01-a-good-first-program.md
index 16f77d6..bdbd588 100644
--- a/sample/01-a-good-first-program.md
+++ b/sample/01-a-good-first-program.md
@@ -1,6 +1,7 @@
 {
   "title": "Test",
-  "description": "Test"
+  "description": "Test",
+  "bg_image": "assets/sample_bg.jpg"
 }
 ===
 # 1: A Good First Program
@@ -17,7 +18,7 @@
 ---
 # Study Drills
 
-!(image/thing.png)
+!(assets/sample_bg.jpg)
 ---
 # Common Student Questions
 
diff --git a/src/backend.cpp b/src/backend.cpp
new file mode 100644
index 0000000..19ae66f
--- /dev/null
+++ b/src/backend.cpp
@@ -0,0 +1,33 @@
+#include "backend.hpp"
+#include "dbc.hpp"
+
+namespace gui {
+  guecs::SpriteTexture Backend::get_sprite(const std::string& file_path) {
+    auto texture = std::make_shared<sf::Texture>();
+    bool good = texture->loadFromFile(file_path);
+    dbc::check(good, fmt::format("failed to load image {}", file_path));
+
+    texture->setSmooth(false);
+
+    auto sprite = std::make_shared<sf::Sprite>(*texture);
+    auto size = texture->getSize();
+    return {sprite, texture, {int(size.x), int(size.y)}};
+  }
+
+  guecs::Theme Backend::theme() {
+    guecs::Theme theme;
+
+    theme.PADDING = 3;
+    theme.BORDER_PX = 1;
+    theme.TEXT_SIZE = 30;
+    theme.LABEL_SIZE = 20;
+    theme.FILL_COLOR = theme.DARK_MID;
+    theme.TEXT_COLOR = theme.LIGHT_LIGHT;
+    theme.BG_COLOR = theme.DARK_DARK;
+    theme.BORDER_COLOR = theme.DARK_LIGHT;
+    theme.BG_COLOR_DARK = theme.BLACK;
+    theme.FONT_FILE_NAME = "assets/text.otf";
+
+    return theme;
+  }
+}
diff --git a/src/backend.hpp b/src/backend.hpp
new file mode 100644
index 0000000..a47bd4e
--- /dev/null
+++ b/src/backend.hpp
@@ -0,0 +1,14 @@
+#pragma once
+#include "guecs/ui.hpp"
+#include "guecs/sfml/backend.hpp"
+#include <string>
+
+namespace gui {
+  class Backend : public sfml::Backend {
+    int $shaders_version = 0;
+
+  public:
+    guecs::SpriteTexture get_sprite(const std::string& name) override;
+    guecs::Theme theme() override;
+  };
+}
diff --git a/src/main.cpp b/src/main.cpp
index 7a39f14..ff4a718 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,4 +1,4 @@
-#include "guecs/sfml/backend.hpp"
+#include "backend.hpp"
 #include "guecs/ui.hpp"
 #include <fmt/xchar.h>
 #include "dbc.hpp"
@@ -10,7 +10,7 @@
 int main(int argc, char *argv[]) {
   dbc::check(argc >= 2, "USAGE: bezos my_fucking_slides.md");
 
-  sfml::Backend backend;
+  gui::Backend backend;
   guecs::init(&backend);
 
   auto& modes = sf::VideoMode::getFullscreenModes();
diff --git a/src/slides_ui.cpp b/src/slides_ui.cpp
index f4a9f57..bb125e4 100644
--- a/src/slides_ui.cpp
+++ b/src/slides_ui.cpp
@@ -41,8 +41,7 @@ void Slide::init(lel::Cell& cell) {
         guecs::THEME.TEXT_COLOR, 20});
 
     if($config.contains("image")) {
-      // STOPPED HERE, need to fix how images are loaded
-      // $gui.set<guecs::Sprite>(content, {$config["image"]});
+      $gui.set<guecs::Sprite>(content, {$config["image"]});
     }
 
     $gui.init();
@@ -107,8 +106,8 @@ void SlidesUI::show_slide() {
   auto& bg = $gui.get<guecs::Background>($gui.MAIN);
   sf::Color color = guecs::THEME.FILL_COLOR;
 
-  if(slide.$config.contains("bg_image")) {
-    bg.set_sprite(slide.$config["bg_image"], true);
+  if($deck->config.contains("bg_image")) {
+    bg.set_sprite($deck->config["bg_image"], true);
   } else if(slide.$config.contains("bg_color")) {
     auto color_conf = slide.$config["bg_color"];
     color = {color_conf[0], color_conf[1], color_conf[2], color_conf[3]};