1 files changed, 38 insertions, 27 deletions

diff --git a/minui/graphics.c b/minui/graphics.c
index 747b2dbc6..4968eac7a 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -47,10 +47,9 @@
 #define NUM_BUFFERS 2
 
 typedef struct {
-    GGLSurface texture;
+    GGLSurface* texture;
     unsigned cwidth;
     unsigned cheight;
-    unsigned ascent;
 } GRFont;
 
 static GRFont *gr_font = 0;
@@ -224,18 +223,20 @@ void gr_font_size(int *x, int *y)
     *y = gr_font->cheight;
 }
 
-int gr_text(int x, int y, const char *s)
+int gr_text(int x, int y, const char *s, int bold)
 {
     GGLContext *gl = gr_context;
     GRFont *font = gr_font;
     unsigned off;
 
+    if (!font->texture) return x;
+
+    bold = bold && (font->texture->height != font->cheight);
+
     x += overscan_offset_x;
     y += overscan_offset_y;
 
-    y -= font->ascent;
-
-    gl->bindTexture(gl, &font->texture);
+    gl->bindTexture(gl, font->texture);
     gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
     gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
     gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
@@ -244,7 +245,8 @@ int gr_text(int x, int y, const char *s)
     while((off = *s++)) {
         off -= 32;
         if (off < 96) {
-            gl->texCoord2i(gl, (off * font->cwidth) - x, 0 - y);
+            gl->texCoord2i(gl, (off * font->cwidth) - x,
+                           (bold ? font->cheight : 0) - y);
             gl->recti(gl, x, y, x + font->cwidth, y + font->cheight);
         }
         x += font->cwidth;
@@ -322,31 +324,40 @@ unsigned int gr_get_height(gr_surface surface) {
 
 static void gr_init_font(void)
 {
-    GGLSurface *ftex;
-    unsigned char *bits, *rle;
-    unsigned char *in, data;
-
     gr_font = calloc(sizeof(*gr_font), 1);
-    ftex = &gr_font->texture;
-
-    bits = malloc(font.width * font.height);
 
-    ftex->version = sizeof(*ftex);
-    ftex->width = font.width;
-    ftex->height = font.height;
-    ftex->stride = font.width;
-    ftex->data = (void*) bits;
-    ftex->format = GGL_PIXEL_FORMAT_A_8;
+    int res = res_create_surface("font", (void**)&(gr_font->texture));
+    if (res == 0) {
+        // The font image should be a 96x2 array of character images.  The
+        // columns are the printable ASCII characters 0x20 - 0x7f.  The
+        // top row is regular text; the bottom row is bold.
+        gr_font->cwidth = gr_font->texture->width / 96;
+        gr_font->cheight = gr_font->texture->height / 2;
+    } else {
+        printf("failed to read font: res=%d\n", res);
+
+        // fall back to the compiled-in font.
+        gr_font->texture = malloc(sizeof(*gr_font->texture));
+        gr_font->texture->width = font.width;
+        gr_font->texture->height = font.height;
+        gr_font->texture->stride = font.width;
+
+        unsigned char* bits = malloc(font.width * font.height);
+        gr_font->texture->data = (void*) bits;
+
+        unsigned char data;
+        unsigned char* in = font.rundata;
+        while((data = *in++)) {
+            memset(bits, (data & 0x80) ? 255 : 0, data & 0x7f);
+            bits += (data & 0x7f);
+        }
 
-    in = font.rundata;
-    while((data = *in++)) {
-        memset(bits, (data & 0x80) ? 255 : 0, data & 0x7f);
-        bits += (data & 0x7f);
+        gr_font->cwidth = font.cwidth;
+        gr_font->cheight = font.cheight;
     }
 
-    gr_font->cwidth = font.cwidth;
-    gr_font->cheight = font.cheight;
-    gr_font->ascent = font.cheight - 2;
+    // interpret the grayscale as alpha
+    gr_font->texture->format = GGL_PIXEL_FORMAT_A_8;
 }
 
 int gr_init(void)