Add PPM simple image implementation

4 files changed, 55 insertions, 17 deletions

diff --git a/examples/.gitignore b/examples/.gitignore
index dcb0ae9..b4d84dd 100644
--- a/examples/.gitignore
+++ b/examples/.gitignore
@@ -1,3 +1,4 @@
+# Build artifacts
 stringv
 stringb
 foreach
@@ -6,4 +7,7 @@ slice
 arena
 files
 logging
+ppm
 
+# Generated artifacts
+*.ppm
\ No newline at end of file
diff --git a/examples/Makefile b/examples/Makefile
index cd83e92..50d531b 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -5,7 +5,7 @@ CFLAGS = -Wall -Wextra -std=c99 -fsanitize=address -g -O0
 LDFLAGS =
 
 # Example targets
-EXAMPLES = foreach stringv stringb array slice arena files logging
+EXAMPLES = foreach stringv stringb array slice arena files logging ppm
 
 # Default target
 all: $(EXAMPLES)
@@ -35,6 +35,9 @@ files: files.c
 logging: logging.c
 	$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
 
+ppm: ppm.c
+	$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
+
 # Run all examples
 run: all
 	@echo "\n=== Running stringv ===\n"
@@ -53,6 +56,8 @@ run: all
 	@./files
 	@echo "\n=== Running logging ===\n"
 	@./logging
+	@echo "\n=== Running ppm ===\n"
+	@./ppm
 
 # Clean build artifacts
 clean:
diff --git a/examples/logging.c b/examples/logging.c
index 1d2744c..8e87d59 100644
--- a/examples/logging.c
+++ b/examples/logging.c
@@ -2,24 +2,24 @@
 #include "../nonstd.h"
 
 int main(void) {
-    // Default level is LOG_INFO
-    LOG_INFO_MSG("This is an info message: %d", 42);
-    LOG_DEBUG_MSG("This debug message will NOT be shown by default");
+	// Default level is LOG_INFO
+	LOG_INFO_MSG("This is an info message: %d", 42);
+	LOG_DEBUG_MSG("This debug message will NOT be shown by default");
 
-    // Change level to LOG_DEBUG
-    set_log_level(LOG_DEBUG);
-    LOG_DEBUG_MSG("Now debug messages are shown: %s", "hello");
+	// Change level to LOG_DEBUG
+	set_log_level(LOG_DEBUG);
+	LOG_DEBUG_MSG("Now debug messages are shown: %s", "hello");
 
-    // Warnings and Errors
-    LOG_WARN_MSG("This is a warning!");
-    LOG_ERROR_MSG("This is an error!");
+	// Warnings and Errors
+	LOG_WARN_MSG("This is a warning!");
+	LOG_ERROR_MSG("This is an error!");
 
-    // Environment variable override test
-    // You can set LOG_LEVEL=1 (WARN) etc.
-    LogLevel env_level = get_log_level_from_env();
-    if (env_level != LOG_DEBUG) {
-        printf("Environment overrides level to: %d\n", env_level);
-    }
+	// Environment variable override test
+	// You can set LOG_LEVEL=1 (WARN) etc.
+	LogLevel env_level = get_log_level_from_env();
+	if (env_level != LOG_DEBUG) {
+		printf("Environment overrides level to: %d\n", env_level);
+	}
 
-    return 0;
+	return 0;
 }
diff --git a/examples/ppm.c b/examples/ppm.c
new file mode 100644
index 0000000..95fafcf
--- /dev/null
+++ b/examples/ppm.c
@@ -0,0 +1,29 @@
+#define NONSTD_IMPLEMENTATION
+#include "../nonstd.h"
+
+int main() {
+	u32 width = 400;
+	u32 height = 400;
+	Canvas img = ppm_init(width, height);
+
+	// Background
+	ppm_fill(&img, COLOR_HEX(0x1a1a1a));
+
+	// Draw some shapes
+	ppm_draw_rect(&img, 50, 50, 100, 100, CLR_RED);
+	ppm_draw_circle(&img, 250, 100, 40, CLR_BLUE);
+	ppm_draw_triangle(&img, 50, 350, 150, 350, 100, 250, CLR_YELLOW);
+	ppm_draw_line(&img, 200, 200, 350, 350, CLR_GREEN);
+
+	// Random colors and macros
+	ppm_draw_rect(&img, 200, 250, 50, 80, COLOR_RGB(255, 165, 0));
+
+	if (ppm_save(&img, "example.ppm")) {
+		printf("Image saved to example.ppm\n");
+	} else {
+		printf("Failed to save image\n");
+	}
+
+	ppm_free(&img);
+	return 0;
+}