Merge branch 'working'

stb_easy_font.h

@@ -1,4 +1,4 @@
-// stb_easy_font.h - v0.6 - bitmap font for 3D rendering - public domain
+// stb_easy_font.h - v0.7 - bitmap font for 3D rendering - public domain
 // Sean Barrett, Feb 2015
 //
 //    Easy-to-deploy,
@@ -16,8 +16,10 @@
 // DOCUMENTATION:
 //
 //   int stb_easy_font_width(char *text)
+//   int stb_easy_font_height(char *text)
 //
-//      Takes a string without newlines and returns the horizontal size.
+//      Takes a string and returns the horizontal size and the
+//      vertical size (which can vary if 'text' has newlines).
 //
 //   int stb_easy_font_print(float x, float y,
 //                           char *text, unsigned char color[4],
@@ -40,7 +42,7 @@
 //
 //      You can ignore z and color if you get them from elsewhere
 //      This format was chosen in the hopes it would make it
-//      easier for you to reuse existing buffer-drawing code.
+//      easier for you to reuse existing vertex-buffer-drawing code.
 //
 //      If you pass in NULL for color, it becomes 255,255,255,255.
 //
@@ -63,11 +65,6 @@
 //      compact to me; -0.5 is a reasonable compromise as long as
 //      you're scaling the font up.
 //
-// SAMPLE CODE:
-//
-//    Here's sample code for old OpenGL; it's a lot more complicated
-//    to make work on modern APIs, and that's your problem.
-//
 // LICENSE
 //
 //   This software is in the public domain. Where that dedication is not
@@ -76,10 +73,16 @@
 //
 // VERSION HISTORY
 //
+//   (2016-01-22)  0.7   width() supports multiline text; add height()
 //   (2015-09-13)  0.6   #include <math.h>; updated license
 //   (2015-02-01)  0.5   First release
 
 #if 0
+// SAMPLE CODE:
+//
+//    Here's sample code for old OpenGL; it's a lot more complicated
+//    to make work on modern APIs, and that's your problem.
+//
 void print_string(float x, float y, char *text, float r, float g, float b)
 {
   static char buffer[99999]; // ~500 chars
@@ -222,11 +225,34 @@ static int stb_easy_font_print(float x, float y, char *text, unsigned char color
 static int stb_easy_font_width(char *text)
 {
     float len = 0;
+    float max_len = 0;
     while (*text) {
+        if (*text == '\n') {
+            if (len > max_len) max_len = len;
+            len = 0;
+        } else {
             len += stb_easy_font_charinfo[*text-32].advance & 15;
             len += stb_easy_font_spacing_val;
+        }
         ++text;
     }
-    return (int) ceil(len);
+    if (len > max_len) max_len = len;
+    return (int) ceil(max_len);
+}
+
+static int stb_easy_font_height(char *text)
+{
+    float y = 0;
+    int nonempty_line=0;
+    while (*text) {
+        if (*text == '\n') {
+            y += 12;
+            nonempty_line = 0;
+        } else {
+            nonempty_line = 1;
+        }
+        ++text;
+    }
+    return (int) ceil(y + (nonempty_line ? 12 : 0));
 }
 #endif

stb_image.h

@@ -1,4 +1,4 @@
-/* stb_image - v2.09 - public domain image loader - http://nothings.org/stb_image.h
+/* stb_image - v2.10 - public domain image loader - http://nothings.org/stb_image.h
                                      no warranty implied; use at your own risk
 
    Do this:
@@ -146,6 +146,7 @@
 
 
    Latest revision history:
+      2.10  (2016-01-22) avoid warning introduced in 2.09
       2.09  (2016-01-16) 16-bit TGA; comments in PNM files; STBI_REALLOC_SIZED
       2.08  (2015-09-13) fix to 2.07 cleanup, reading RGB PSD as RGBA
       2.07  (2015-09-13) partial animated GIF support
@@ -3621,6 +3622,7 @@ static int stbi__zexpand(stbi__zbuf *z, char *zout, int n)  // need to make room
    while (cur + n > limit)
       limit *= 2;
    q = (char *) STBI_REALLOC_SIZED(z->zout_start, old_limit, limit);
+   STBI_NOTUSED(old_limit);
    if (q == NULL) return stbi__err("outofmem", "Out of memory");
    z->zout_start = q;
    z->zout       = q + cur;
@@ -4410,6 +4412,7 @@ static int stbi__parse_png_file(stbi__png *z, int scan, int req_comp)
                if (idata_limit == 0) idata_limit = c.length > 4096 ? c.length : 4096;
                while (ioff + c.length > idata_limit)
                   idata_limit *= 2;
+               STBI_NOTUSED(idata_limit_old);
                p = (stbi_uc *) STBI_REALLOC_SIZED(z->idata, idata_limit_old, idata_limit); if (p == NULL) return stbi__err("outofmem", "Out of memory");
                z->idata = p;
             }
@@ -6456,6 +6459,7 @@ STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int
 
 /*
    revision history:
+      2.10  (2016-01-22) avoid warning introduced in 2.09 by STBI_REALLOC_SIZED
       2.09  (2016-01-16) allow comments in PNM files
                          16-bit-per-pixel TGA (not bit-per-component)
                          info() for TGA could break due to .hdr handling