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
diff --git a/minui/resources.c b/minui/resources.c
index b437a87..af8720a 100644
--- a/minui/resources.c
+++ b/minui/resources.c
@@ -33,6 +33,8 @@
#include "minui.h"
+extern char* locale;
+
// libpng gives "undefined reference to 'pow'" errors, and I have no
// idea how to convince the build system to link with -lm. We don't
// need this functionality (it's used for gamma adjustment) so provide
@@ -173,6 +175,154 @@
return result;
}
+static int matches_locale(const char* loc) {
+ if (locale == NULL) return 0;
+
+ printf("matching loc=[%s] vs locale=[%s]\n", loc, locale);
+
+ if (strcmp(loc, locale) == 0) return 1;
+
+ // if loc does *not* have an underscore, and it matches the start
+ // of locale, and the next character in locale *is* an underscore,
+ // that's a match. For instance, loc == "en" matches locale ==
+ // "en_US".
+
+ int i;
+ for (i = 0; loc[i] != 0 && loc[i] != '_'; ++i);
+ if (loc[i] == '_') return 0;
+ printf(" partial match possible; i = %d\n", i);
+
+ return (strncmp(locale, loc, i) == 0 && locale[i] == '_');
+}
+
+int res_create_localized_surface(const char* name, gr_surface* pSurface) {
+ char resPath[256];
+ GGLSurface* surface = NULL;
+ int result = 0;
+ unsigned char header[8];
+ png_structp png_ptr = NULL;
+ png_infop info_ptr = NULL;
+
+ *pSurface = NULL;
+
+ snprintf(resPath, sizeof(resPath)-1, "/res/images/%s.png", name);
+ resPath[sizeof(resPath)-1] = '\0';
+ FILE* fp = fopen(resPath, "rb");
+ if (fp == NULL) {
+ result = -1;
+ goto exit;
+ }
+
+ size_t bytesRead = fread(header, 1, sizeof(header), fp);
+ if (bytesRead != sizeof(header)) {
+ result = -2;
+ goto exit;
+ }
+
+ if (png_sig_cmp(header, 0, sizeof(header))) {
+ result = -3;
+ goto exit;
+ }
+
+ png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+ if (!png_ptr) {
+ result = -4;
+ goto exit;
+ }
+
+ info_ptr = png_create_info_struct(png_ptr);
+ if (!info_ptr) {
+ result = -5;
+ goto exit;
+ }
+
+ if (setjmp(png_jmpbuf(png_ptr))) {
+ result = -6;
+ goto exit;
+ }
+
+ png_init_io(png_ptr, fp);
+ png_set_sig_bytes(png_ptr, sizeof(header));
+ png_read_info(png_ptr, info_ptr);
+
+ size_t width = info_ptr->width;
+ size_t height = info_ptr->height;
+ size_t stride = 4 * width;
+
+ printf("image size is %d x %d\n", width, height);
+
+ int color_type = info_ptr->color_type;
+ int bit_depth = info_ptr->bit_depth;
+ int channels = info_ptr->channels;
+ printf("color_type %d bit_depth %d channels %d\n",
+ color_type, bit_depth, channels);
+
+ if (!(bit_depth == 8 &&
+ (channels == 1 && color_type == PNG_COLOR_TYPE_GRAY))) {
+ return -7;
+ printf("exiting -7\n");
+ goto exit;
+ }
+
+ unsigned char* row = malloc(width);
+ int y;
+ for (y = 0; y < height; ++y) {
+ png_read_row(png_ptr, row, NULL);
+ int w = (row[1] << 8) | row[0];
+ int h = (row[3] << 8) | row[2];
+ int len = row[4];
+ char* loc = row+5;
+
+ printf("row %d: %s %d x %d\n", y, loc, w, h);
+
+ if (y+1+h >= height || matches_locale(loc)) {
+ printf(" taking this one\n");
+
+ surface = malloc(sizeof(GGLSurface));
+ if (surface == NULL) {
+ result = -8;
+ goto exit;
+ }
+ unsigned char* pData = malloc(w*h);
+
+ surface->version = sizeof(GGLSurface);
+ surface->width = w;
+ surface->height = h;
+ surface->stride = w; /* Yes, pixels, not bytes */
+ surface->data = pData;
+ surface->format = GGL_PIXEL_FORMAT_A_8;
+
+ int i;
+ for (i = 0; i < h; ++i, ++y) {
+ png_read_row(png_ptr, row, NULL);
+ memcpy(pData + i*w, row, w);
+ }
+
+ *pSurface = (gr_surface) surface;
+ break;
+ } else {
+ printf(" skipping\n");
+ int i;
+ for (i = 0; i < h; ++i, ++y) {
+ png_read_row(png_ptr, row, NULL);
+ }
+ }
+ }
+
+exit:
+ png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
+
+ if (fp != NULL) {
+ fclose(fp);
+ }
+ if (result < 0) {
+ if (surface) {
+ free(surface);
+ }
+ }
+ return result;
+}
+
void res_free_surface(gr_surface surface) {
GGLSurface* pSurface = (GGLSurface*) surface;
if (pSurface) {