add simple text to recovery UI

- recovery takes a --locale argument, which will be passed by the main
  system

- the locale is saved in cache, in case the --locale argument is
  missing (eg, when recovery is started from fastboot)

- we include images that have prerendered text for many locales

- we split the background states into four (installing update,
  erasing, no command, error) so that appropriate text can be shown.

Change-Id: I731b8108e83d5ccc09a4aacfc1dbf7e86b397aaf

1 files changed, 16 insertions, 0 deletions

diff --git a/minui/graphics.c b/minui/graphics.c
index 81f13ad..88572a8 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -244,6 +244,22 @@ int gr_text(int x, int y, const char *s)
     return x;
 }
 
+void gr_texticon(int x, int y, gr_surface icon) {
+    GGLContext* gl = gr_context;
+
+    gl->bindTexture(gl, (GGLSurface*) icon);
+    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);
+    gl->enable(gl, GGL_TEXTURE_2D);
+
+    int w = gr_get_width(icon);
+    int h = gr_get_height(icon);
+
+    gl->texCoord2i(gl, -x, -y);
+    gl->recti(gl, x, y, x+gr_get_width(icon), y+gr_get_height(icon));
+}
+
 void gr_fill(int x, int y, int w, int h)
 {
     GGLContext *gl = gr_context;