chroma

diff --git a/include/chroma.h b/include/chroma.hindex eee298a..6c8ed6e 100644--- a/include/chroma.h+++ b/include/chroma.h@@ -99,6 +99,7 @@ typedef struct {   GLuint ebo;   bool gl_resources_initialized;   bool texture_uploaded;+  bool vbo_dirty; // track VBO needs update } chroma_output_t;  // Config mapping structure@@ -119,6 +120,12 @@ typedef struct {   // Global scaling and filtering settings (used as defaults)   chroma_scale_mode_t default_scale_mode;   chroma_filter_quality_t default_filter_quality;++  // Image downsampling settings+  bool enable_downsampling; // enable automatic downsampling+  int max_output_width;     // maximum expected output width+  int max_output_height;    // maximum expected output height+  float min_scale_factor;   // minimum scale factor (don't scale below this) } chroma_config_t;  // Main application state@@ -205,7 +212,8 @@ void chroma_layer_surface_closed(void *data,  // Image loading void chroma_image_init_stb(void);-int chroma_image_load(chroma_image_t *image, const char *path);+int chroma_image_load(chroma_image_t *image, const char *path,+                      const chroma_config_t *config); void chroma_image_free(chroma_image_t *image); chroma_image_t *chroma_image_find_by_path(chroma_state_t *state,                                           const char *path);@@ -224,7 +232,7 @@ const char *chroma_config_get_image_for_output(chroma_config_t *config, int chroma_config_get_mapping_for_output(     chroma_config_t *config, const char *output_name,     chroma_scale_mode_t *scale_mode, chroma_filter_quality_t *filter_quality);-int chroma_config_create_sample(const char *config_file);+ void chroma_config_print(const chroma_config_t *config);  // Main loop and eventsdiff --git a/src/config.c b/src/config.cindex 6dde3b1..619af3a 100644--- a/src/config.c+++ b/src/config.c@@ -184,6 +184,12 @@ static void init_default_config(chroma_config_t *config) {   config->default_scale_mode = CHROMA_SCALE_FILL;   config->default_filter_quality = CHROMA_FILTER_LINEAR; +  // Set default downsampling settings+  config->enable_downsampling = true; // enable by default, performance etc.+  config->max_output_width = 3840;    // 4K width+  config->max_output_height = 2160;   // 4K height+  config->min_scale_factor = 0.25f;   // don't scale below 25%+   // Set default image path (can be overridden)   const char *home = getenv("HOME");   if (home) {@@ -276,6 +282,34 @@ static int parse_config_line(chroma_config_t *config, char *line,                "Filter quality configuration: key='%s', value='%s', parsed=%s",                key, value,                filter_quality_to_string(config->default_filter_quality));+  } else if (strcasecmp(key, "enable_downsampling") == 0) {+    config->enable_downsampling = parse_bool(value);+    chroma_log("DEBUG", "Set downsampling: %s",+               config->enable_downsampling ? "enabled" : "disabled");+  } else if (strcasecmp(key, "max_output_width") == 0) {+    int width = atoi(value);+    if (width > 0 && width <= 16384) { // Reasonable limits+      config->max_output_width = width;+      chroma_log("DEBUG", "Set max output width: %d", width);+    } else {+      chroma_log("WARN", "Invalid max_output_width: %s (using 3840)", value);+    }+  } else if (strcasecmp(key, "max_output_height") == 0) {+    int height = atoi(value);+    if (height > 0 && height <= 16384) { // Reasonable limits+      config->max_output_height = height;+      chroma_log("DEBUG", "Set max output height: %d", height);+    } else {+      chroma_log("WARN", "Invalid max_output_height: %s (using 2160)", value);+    }+  } else if (strcasecmp(key, "min_scale_factor") == 0) {+    float factor = atof(value);+    if (factor > 0.0f && factor <= 1.0f) { // Valid range+      config->min_scale_factor = factor;+      chroma_log("DEBUG", "Set minimum scale factor: %.2f", factor);+    } else {+      chroma_log("WARN", "Invalid min_scale_factor: %s (using 0.25)", value);+    }   } else if (strncasecmp(key, "output.", 7) == 0) {     // Output-specific mapping: e.g., output.DP-1=/path/to/image.jpg     const char *output_name = key + 7;@@ -515,39 +549,7 @@ int chroma_config_get_mapping_for_output(   return CHROMA_OK; } -// Create a sample configuration file-int chroma_config_create_sample(const char *config_file) {-  if (!config_file) {-    return CHROMA_ERROR_INIT;-  }--  FILE *file = fopen(config_file, "w");-  if (!file) {-    chroma_log("ERROR", "Failed to create sample config file %s: %s",-               config_file, strerror(errno));-    return CHROMA_ERROR_CONFIG;-  } -  fprintf(file, "# Chroma Wallpaper Daemon Configuration\n");-  fprintf(file, "# Lines starting with # are comments\n\n");--  fprintf(file, "# Default wallpaper for outputs without specific mapping\n");-  fprintf(file, "default_image = ~/.config/chroma/default.jpg\n\n");--  fprintf(file, "# Output-specific wallpapers\n");-  fprintf(file, "# Format: output.OUTPUT_NAME = /path/to/image.jpg\n");-  fprintf(file, "# You can find output names using: wlr-randr\n");-  fprintf(file, "\n");-  fprintf(file, "# Examples:\n");-  fprintf(file, "# output.DP-1 = ~/.config/chroma/monitor1.jpg\n");-  fprintf(file, "# output.DP-2 = ~/.config/chroma/monitor2.png\n");-  fprintf(file, "# output.HDMI-A-1 = ~/.config/chroma/hdmi.jpg\n");--  fclose(file);--  chroma_log("INFO", "Created sample configuration file: %s", config_file);-  return CHROMA_OK;-}  // Print current configuration for debugging void chroma_config_print(const chroma_config_t *config) {@@ -562,6 +564,13 @@ void chroma_config_print(const chroma_config_t *config) {              scale_mode_to_string(config->default_scale_mode));   chroma_log("INFO", "Default filter quality: %s",              filter_quality_to_string(config->default_filter_quality));+  chroma_log("INFO", "Downsampling: %s",+             config->enable_downsampling ? "enabled" : "disabled");+  if (config->enable_downsampling) {+    chroma_log("INFO", "Max output size: %dx%d", config->max_output_width,+               config->max_output_height);+    chroma_log("INFO", "Min scale factor: %.2f", config->min_scale_factor);+  }   chroma_log("INFO", "Output mappings: %d", config->mapping_count);    for (int i = 0; i < config->mapping_count; i++) {