From c706bb9250ed19a6786f1cb540c00b008ea85fc4 Mon Sep 17 00:00:00 2001
From: Allen Webster <editor@4coder.net>
Date: Fri, 3 Jun 2016 15:20:29 -0400
Subject: [PATCH] progress towards win32 fonts

---
 4ed_rendering.cpp |  3 +++
 win32_4ed.cpp     | 14 +++++++++++++
 win32_font.cpp    | 51 +++++++++++++++++++++++++++++++++++++++++++++--
 3 files changed, 66 insertions(+), 2 deletions(-)

diff --git a/4ed_rendering.cpp b/4ed_rendering.cpp
index d75d947f..45705544 100644
--- a/4ed_rendering.cpp
+++ b/4ed_rendering.cpp
@@ -305,6 +305,9 @@ launch_rendering(Render_Target *target){
 
 #undef ExtractStruct
 
+// TODO(allen): Put the burden of translation outside
+// of this function (and other functions implementing
+// the same interface).
 internal i32
 draw_font_load(Partition *part,
                Render_Font *font_out,
diff --git a/win32_4ed.cpp b/win32_4ed.cpp
index 35fa94cd..4a96ceb2 100644
--- a/win32_4ed.cpp
+++ b/win32_4ed.cpp
@@ -1166,6 +1166,18 @@ Font_Load_Sig(system_draw_font_load){
 #endif
     
     for (b32 success = 0; success == 0;){
+#if USE_WIN32_FONTS
+        
+        success = win32_draw_font_load(&win32vars.font_part,
+                                       font_out,
+                                       filename,
+                                       pt_size,
+                                       tab_width,
+                                       oversample,
+                                       store_texture);
+        
+#else
+        
         success = draw_font_load(&win32vars.font_part,
                                  font_out,
                                  filename,
@@ -1174,6 +1186,8 @@ Font_Load_Sig(system_draw_font_load){
                                  oversample,
                                  store_texture);
         
+#endif
+        
         // TODO(allen): Make the growable partition something
         // that can just be passed directly to font load and
         // let it be grown there.
diff --git a/win32_font.cpp b/win32_font.cpp
index 901214ef..97ef97b6 100644
--- a/win32_font.cpp
+++ b/win32_font.cpp
@@ -15,8 +15,55 @@ win32_draw_font_load(Partition *part,
                      char *filename_untranslated,
                      i32 pt_size,
                      i32 tab_width,
-                     i32 oversample){
-    i32 result = 1;
+                     i32 oversample,
+                     b32 store_texture){
+    
+    char space_[1024];
+    String filename = make_fixed_width_string(space_);
+    b32 translate_success = sysshared_to_binary_path(&filename, filename_untranslated);
+    if (!translate_success) return 0;
+    
+    i32 result = 0;
+    
+    AddFontResourceEx(filename.str, FR_PRIVATE, 0);
+    
+    HFONT font_handle =
+        CreateFontA(pt_size, 0, 0, 0,
+                    FW_NORMAL, // WEIGHT
+                    FALSE,     // ITALICS
+                    FALSE,     // UNDERLINE
+                    FALSE,     // STRIKE-OUT
+                    ANSI_CHARSET,
+                    OUT_DEFAULT_PRECIS,
+                    CLIP_DEFAULT_PRECIS,
+                    ANTIALIASED_QUALITY,
+                    DEFAULT_PITCH|FF_DONTCARE,
+                    filename.str);
+    
+    if (font_handle){
+        HDC dc = CreateCompatibleDC(0);
+        
+        if (dc){
+            // TODO(allen): Have to get metrics
+            
+            result = 1;
+            
+            if (store_texture){
+                i32 tex_width = pt_size*16*oversample;
+                i32 tex_height = pt_size*16*oversample;
+                
+                HBITAMP bitmap = CreateCompatibleBitmap(dc, tex_width, tex_height);
+                
+                // TODO(allen): pack each glyph into a texture
+                // and generate the equivalent data output by stb
+                // in the stbtt_packedchar array.
+                
+            }
+        }
+        
+        DeleteObject(font_handle);
+    }
+    
     return(result);
 }