Do not check for valid utf8 in set text, render the invalid utf8 instead. Mmap fonts instead of loading the whole font

3 files changed, 20 insertions, 2 deletions

diff --git a/include/mgl/graphics/text.h b/include/mgl/graphics/text.h
index 2311d23..a645b0b 100644
--- a/include/mgl/graphics/text.h
+++ b/include/mgl/graphics/text.h
@@ -28,14 +28,14 @@ typedef struct {
     Note: keeps a reference to |text|. |text| needs to be valid as long as |self| is used.
     |font| and |text| may be NULL.
 */
-int mgl_text_init(mgl_text *self, mgl_font *font, const char *str, size_t str_size);
+void mgl_text_init(mgl_text *self, mgl_font *font, const char *str, size_t str_size);
 void mgl_text_deinit(mgl_text *self);
 
 /*
     Note: keeps a reference to |text|. |text| needs to be valid as long as |self| is used.
     |text| may be NULL.
 */
-int mgl_text_set_string(mgl_text *self, const char *str, size_t str_size);
+void mgl_text_set_string(mgl_text *self, const char *str, size_t str_size);
 /* |font| may be NULL */
 void mgl_text_set_font(mgl_text *self, mgl_font *font);
 void mgl_text_set_position(mgl_text *self, mgl_vec2f position);
diff --git a/include/mgl/system/fileutils.h b/include/mgl/system/fileutils.h
index 7696679..5e45cb3 100644
--- a/include/mgl/system/fileutils.h
+++ b/include/mgl/system/fileutils.h
@@ -13,8 +13,23 @@ typedef struct {
     bool null_terminated; /* false by default */
 } mgl_file_load_options;
 
+typedef struct {
+    void *data;
+    size_t size;
+    int fd;
+} mgl_memory_mapped_file;
+
+typedef struct {
+    bool readable; /* true by default */
+    bool writable; /* true by default */
+} mgl_memory_mapped_file_load_options;
+
 /* |load_options| can be null, in which case the default options are used */
 int mgl_load_file(const char *filepath, mgl_filedata *filedata, mgl_file_load_options *load_options);
 void mgl_filedata_free(mgl_filedata *self);
 
+/* |load_options| can be null, in which case the default options are used */
+int mgl_mapped_file_load(const char *filepath, mgl_memory_mapped_file *memory_mapped_file, mgl_memory_mapped_file_load_options *load_options);
+void mgl_mapped_file_unload(mgl_memory_mapped_file *memory_mapped_file);
+
 #endif /* MGL_FILEUTILS_H */
diff --git a/include/mgl/system/utf8.h b/include/mgl/system/utf8.h
index f745be7..7120f1a 100644
--- a/include/mgl/system/utf8.h
+++ b/include/mgl/system/utf8.h
@@ -5,6 +5,9 @@
 #include <stdint.h>
 #include <stdbool.h>
 
+/*
+    Returns false on failure. |decoded_codepoint| is set to |str[0]| if size > 0 and |codepoint_length| is set to 1
+*/
 bool mgl_utf8_decode(const unsigned char *str, size_t size, uint32_t *decoded_codepoint, size_t *codepoint_length);
 
 #endif /* MGL_UTF8_H */