Add logo to footer in guide mode

Makefile

@@ -2,15 +2,15 @@ CC ?= cc
 CSTD ?= -std=c11
 CFLAGS ?= -O2 -Wall -Wextra -Wpedantic $(CSTD)
 
-SDL_CFLAGS := $(shell pkg-config --cflags SDL2 SDL2_ttf 2>/dev/null)
-SDL_LIBS := $(shell pkg-config --libs SDL2 SDL2_ttf 2>/dev/null)
+SDL_CFLAGS := $(shell pkg-config --cflags SDL2 SDL2_ttf SDL2_image 2>/dev/null)
+SDL_LIBS := $(shell pkg-config --libs SDL2 SDL2_ttf SDL2_image 2>/dev/null)
 FFMPEG_CFLAGS := $(shell pkg-config --cflags libavformat libavcodec libswscale libswresample libavutil 2>/dev/null)
 FFMPEG_LIBS := $(shell pkg-config --libs libavformat libavcodec libswscale libswresample libavutil 2>/dev/null)
 MULTIARCH_CFLAGS := $(if $(wildcard /usr/include/i386-linux-gnu/SDL2/_real_SDL_config.h),-I/usr/include/i386-linux-gnu,)
 
 ifeq ($(strip $(SDL_CFLAGS)),)
 SDL_CFLAGS := $(shell sdl2-config --cflags 2>/dev/null) $(MULTIARCH_CFLAGS)
-SDL_LIBS := $(shell sdl2-config --libs 2>/dev/null) -lSDL2_ttf
+SDL_LIBS := $(shell sdl2-config --libs 2>/dev/null) -lSDL2_ttf -lSDL2_image
 endif
 
 ifeq ($(strip $(FFMPEG_LIBS)),)

src/ui.c

@@ -1,5 +1,6 @@
 #include "ui.h"
 
+#include <SDL2/SDL_image.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -103,6 +104,34 @@ static SDL_Texture *text_to_texture(SDL_Renderer *renderer, TTF_Font *font, cons
     return texture;
 }
 
+static SDL_Texture *load_png_texture(SDL_Renderer *renderer, const char *path, int *width, int *height) {
+    SDL_Surface *surface;
+    SDL_Texture *texture;
+
+    surface = IMG_Load(path);
+    if (!surface) {
+        fprintf(stderr, "Failed to load image %s: %s\n", path, IMG_GetError());
+        return NULL;
+    }
+
+    texture = SDL_CreateTextureFromSurface(renderer, surface);
+    if (!texture) {
+        SDL_FreeSurface(surface);
+        fprintf(stderr, "Failed to create texture from %s: %s\n", path, SDL_GetError());
+        return NULL;
+    }
+
+    if (width) {
+        *width = surface->w;
+    }
+    if (height) {
+        *height = surface->h;
+    }
+
+    SDL_FreeSurface(surface);
+    return texture;
+}
+
 static void draw_cached_text(SDL_Renderer *renderer, const UiTextTexture *text_texture, int x, int y) {
     SDL_Rect dst;
 
@@ -591,7 +620,8 @@ static void draw_footer_legend(SDL_Renderer *renderer,
                                const UiFonts *fonts,
                                const GuideTheme *theme,
                                int window_width,
-                               int window_height) {
+                               int window_height,
+                               SDL_Texture *logo_texture) {
     SDL_Rect footer = {0, window_height - 54, window_width, 54};
     SDL_Rect chip = {window_width / 2 - 220, window_height - 38, 34, 20};
     SDL_Color footer_text = readable_text_color(theme->footer_mid);
@@ -617,6 +647,17 @@ static void draw_footer_legend(SDL_Renderer *renderer,
     draw_pill_button(renderer, theme, &chip, theme->row_mid, theme->panel_border);
     draw_text_clipped(renderer, fonts->small, "<>", &footer, chip.x + 5, chip.y + 2, footer_text);
     draw_text_clipped(renderer, fonts->small, "TIME", &footer, chip.x + 42, chip.y - 1, footer_text);
+
+    if (logo_texture) {
+        int logo_size = 32;
+        SDL_Rect logo_dst = {
+            10,
+            footer.y + (footer.h - logo_size) / 2,
+            logo_size,
+            logo_size
+        };
+        SDL_RenderCopy(renderer, logo_texture, NULL, &logo_dst);
+    }
 }
 
 static void draw_scanline_overlay(SDL_Renderer *renderer, int width, int height, const GuideTheme *theme) {
@@ -1102,7 +1143,7 @@ void ui_render_guide(SDL_Renderer *renderer,
         draw_selection_glow(renderer, &(SDL_Rect){guide_x_start, highlight.y + (int) (6 * scale_y), timeline_w, row_height - (int) (12 * scale_y)}, theme->selection_edge);
     }
 
-    draw_footer_legend(renderer, fonts, theme, window_width, window_height);
+    draw_footer_legend(renderer, fonts, theme, window_width, window_height, cache->logo_texture);
     draw_scanline_overlay(renderer, window_width, window_height, theme);
 }
 
@@ -1186,6 +1227,8 @@ int ui_cache_init(UiCache *cache, SDL_Renderer *renderer, const UiFonts *fonts,
         return -1;
     }
 
+    cache->logo_texture = load_png_texture(renderer, "logo.png", NULL, NULL);
+
     if (channels && channels->count > 0) {
         cache->channels = calloc((size_t) channels->count, sizeof(UiChannelCache));
         if (!cache->channels) {
@@ -1223,6 +1266,10 @@ void ui_cache_destroy(UiCache *cache) {
         return;
     }
 
+    if (cache->logo_texture) {
+        SDL_DestroyTexture(cache->logo_texture);
+    }
+
     text_texture_destroy(&cache->no_media_title);
     text_texture_destroy(&cache->no_media_body);
     text_texture_destroy(&cache->no_media_hint);

src/ui.h

@@ -45,6 +45,7 @@ typedef struct UiCache {
     const GuideTheme *timeline_theme;
     UiChannelCache *channels;
     int channel_count;
+    SDL_Texture *logo_texture;
 } UiCache;
 
 void ui_render_fullscreen(SDL_Renderer *renderer,