From 0826cb9681a8b9e575535782abde2df5fabfd4e5 Mon Sep 17 00:00:00 2001
From: Campbell Barton <campbell@blender.org>
Date: Fri, 19 Jul 2024 14:10:46 +1000
Subject: [PATCH] Unbreak WITH_HEADLESS builds

---
 source/blender/blenfont/CMakeLists.txt      | 12 ++++++++++--
 source/blender/blenfont/intern/blf.cc       |  8 ++++++++
 source/blender/blenfont/intern/blf_font.cc  |  2 ++
 source/blender/blenfont/intern/blf_glyph.cc | 14 ++++++++++----
 4 files changed, 30 insertions(+), 6 deletions(-)

diff --git a/source/blender/blenfont/CMakeLists.txt b/source/blender/blenfont/CMakeLists.txt
index fd0c4252347..6e8e1fe04ef 100644
--- a/source/blender/blenfont/CMakeLists.txt
+++ b/source/blender/blenfont/CMakeLists.txt
@@ -33,8 +33,6 @@ set(LIB
   PRIVATE bf::dna
   bf_gpu
   PRIVATE bf::intern::guardedalloc
-  PRIVATE bf::extern::nanosvg
-  PRIVATE bf::editor::datafiles
   ${FREETYPE_LIBRARIES} ${BROTLI_LIBRARIES}
 )
 
@@ -51,6 +49,16 @@ if(WITH_PYTHON)
   )
 endif()
 
+if(WITH_HEADLESS)
+  add_definitions(-DWITH_HEADLESS)
+else()
+  # SVG icons.
+  list(APPEND LIB
+    PRIVATE bf::extern::nanosvg
+    PRIVATE bf::editor::datafiles
+  )
+
+endif()
 
 blender_add_lib(bf_blenfont "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
 add_library(bf::blenfont ALIAS bf_blenfont)
diff --git a/source/blender/blenfont/intern/blf.cc b/source/blender/blenfont/intern/blf.cc
index 8771181cdb4..e2b3aa97e9d 100644
--- a/source/blender/blenfont/intern/blf.cc
+++ b/source/blender/blenfont/intern/blf.cc
@@ -612,6 +612,7 @@ int BLF_draw_mono(int fontid, const char *str, const size_t str_len, int cwidth,
 void BLF_draw_svg_icon(
     uint icon_id, float x, float y, float size, float color[4], float outline_alpha)
 {
+#ifndef WITH_HEADLESS
   FontBLF *font = global_font[0];
   if (font) {
     /* Avoid bgl usage to corrupt BLF drawing. */
@@ -620,14 +621,21 @@ void BLF_draw_svg_icon(
     blf_draw_svg_icon(font, icon_id, x, y, size, color, outline_alpha);
     blf_draw_gpu__end(font);
   }
+#else
+  UNUSED_VARS(icon_id, x, y, size, color, outline_alpha);
+#endif /* WITH_HEADLESS */
 }
 
 blender::Array<uchar> BLF_svg_icon_bitmap(uint icon_id, float size, int *r_width, int *r_height)
 {
+#ifndef WITH_HEADLESS
   FontBLF *font = global_font[0];
   if (font) {
     return blf_svg_icon_bitmap(font, icon_id, size, r_width, r_height);
   }
+#else
+  UNUSED_VARS(icon_id, size, r_width, r_height);
+#endif /* WITH_HEADLESS */
   return {};
 }
 
diff --git a/source/blender/blenfont/intern/blf_font.cc b/source/blender/blenfont/intern/blf_font.cc
index a29947b192e..78d9537ba69 100644
--- a/source/blender/blenfont/intern/blf_font.cc
+++ b/source/blender/blenfont/intern/blf_font.cc
@@ -524,6 +524,7 @@ int blf_font_draw_mono(
   return columns;
 }
 
+#ifndef WITH_HEADLESS
 void blf_draw_svg_icon(
     FontBLF *font, uint icon_id, float x, float y, float size, float color[4], float outline_alpha)
 {
@@ -595,6 +596,7 @@ blender::Array<uchar> blf_svg_icon_bitmap(
   blf_glyph_cache_release(font);
   return bitmap;
 }
+#endif /* WITH_HEADLESS */
 
 /** \} */
 
diff --git a/source/blender/blenfont/intern/blf_glyph.cc b/source/blender/blenfont/intern/blf_glyph.cc
index e586d59120e..4848edbee34 100644
--- a/source/blender/blenfont/intern/blf_glyph.cc
+++ b/source/blender/blenfont/intern/blf_glyph.cc
@@ -41,12 +41,14 @@
 #include "BLI_math_vector.h"
 #include "BLI_string_utf8.h"
 
+#ifndef WITH_HEADLESS
+#  include "nanosvgrast.h"
+
+#  include "svg_icons.h"
+#endif /* WITH_HEADLESS */
+
 #include "BLI_strict_flags.h" /* Keep last. */
 
-#include "nanosvgrast.h"
-
-#include "svg_icons.h"
-
 /**
  * Convert glyph coverage amounts to lightness values. Uses a LUT that perceptually improves
  * anti-aliasing and results in text that looks a bit fuller and slightly brighter. This should
@@ -336,6 +338,7 @@ static GlyphBLF *blf_glyph_cache_add_glyph(
   return result;
 }
 
+#ifndef WITH_HEADLESS
 static GlyphBLF *blf_glyph_cache_add_blank(GlyphCacheBLF *gc, uint charcode)
 {
   /* Add an empty GlyphBLF to the cache and return it. With
@@ -430,6 +433,7 @@ static GlyphBLF *blf_glyph_cache_add_svg(GlyphCacheBLF *gc, uint charcode, bool
   gc->glyphs.add(key, std::move(g));
   return result;
 }
+#endif /* WITH_HEADLESS */
 
 /** \} */
 
@@ -1384,6 +1388,7 @@ GlyphBLF *blf_glyph_ensure(FontBLF *font, GlyphCacheBLF *gc, const uint charcode
   return g;
 }
 
+#ifndef WITH_HEADLESS
 GlyphBLF *blf_glyph_ensure_icon(GlyphCacheBLF *gc, const uint icon_id, bool color)
 {
   GlyphBLF *g = blf_glyph_cache_find_glyph(gc, icon_id + BLF_ICON_OFFSET, 0);
@@ -1392,6 +1397,7 @@ GlyphBLF *blf_glyph_ensure_icon(GlyphCacheBLF *gc, const uint icon_id, bool colo
   }
   return blf_glyph_cache_add_svg(gc, icon_id + BLF_ICON_OFFSET, color);
 }
+#endif /* WITH_HEADLESS */
 
 #ifdef BLF_SUBPIXEL_AA
 GlyphBLF *blf_glyph_ensure_subpixel(FontBLF *font, GlyphCacheBLF *gc, GlyphBLF *g, int32_t pen_x)