TEST(LocaleTest, Misc) {
EXPECT_TRUE(matches_locale("zh-CN", "zh-Hans-CN"));
EXPECT_TRUE(matches_locale("zh", "zh-Hans-CN"));
EXPECT_FALSE(matches_locale("zh-HK", "zh-Hans-CN"));
EXPECT_TRUE(matches_locale("en-GB", "en-GB"));
EXPECT_TRUE(matches_locale("en", "en-GB"));
EXPECT_FALSE(matches_locale("en-GB", "en"));
EXPECT_FALSE(matches_locale("en-GB", "en-US"));
EXPECT_FALSE(matches_locale("en-US", ""));
// Empty locale prefix in the PNG file will match the input locale.
EXPECT_TRUE(matches_locale("", "en-US"));
EXPECT_TRUE(matches_locale("sr-Latn", "sr-Latn-BA"));
}
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);
int color_type, bit_depth;
size_t width, height;
png_get_IHDR(png_ptr, info_ptr, width, height, &bit_depth,
&color_type, NULL, NULL, NULL);
png_byte* channels = png_get_channels(png_ptr, info_ptr);
size_t stride = 4 * width;
if (!(bit_depth == 8 &&
(channels == 1 && color_type == PNG_COLOR_TYPE_GRAY))) {
return -7;
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;
if (y+1+h >= height || matches_locale(loc)) {
printf(" %20s: %s (%d x %d @ %d)\n", name, loc, w, h, y);
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 {
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;
}
int res_create_theme_localized_alpha_surface(const char* name,
const char* themename,
const char* locale,
gr_surface* pSurface) {
gr_surface surface = NULL;
int result = 0;
png_structp png_ptr = NULL;
png_infop info_ptr = NULL;
png_uint_32 width, height;
png_byte channels;
*pSurface = NULL;
if (locale == NULL) {
surface = malloc_surface(0);
surface->width = 0;
surface->height = 0;
surface->row_bytes = 0;
surface->pixel_bytes = 1;
goto exit;
}
result = open_theme_png(name, themename, &png_ptr, &info_ptr, &width, &height, &channels);
if (result < 0) return result;
if (channels != 1) {
result = -7;
goto exit;
}
unsigned char* row = malloc(width);
png_uint_32 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 = (char*)row+5;
if (y+1+h >= height || matches_locale(loc, locale)) {
printf(" %20s: %s (%d x %d @ %d)\n", name, loc, w, h, y);
surface = malloc_surface(w*h);
if (surface == NULL) {
result = -8;
goto exit;
}
surface->width = w;
surface->height = h;
surface->row_bytes = w;
surface->pixel_bytes = 1;
int i;
for (i = 0; i < h; ++i, ++y) {
png_read_row(png_ptr, row, NULL);
memcpy(surface->data + i*w, row, w);
}
*pSurface = (gr_surface) surface;
break;
} else {
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 (result < 0 && surface != NULL) free(surface);
return result;
}
int
res_create_localized_alpha_surface(const char *name, const char *locale,
gr_surface *pSurface)
{
int result = 0;
unsigned char *row;
gr_surface surface = NULL;
png_structp png_ptr = NULL;
png_infop info_ptr = NULL;
png_uint_32 width, height, y;
png_byte channels;
FILE *fp = NULL;
*pSurface = NULL;
if (!locale) {
surface = malloc_surface(0);
surface->width = 0;
surface->height = 0;
surface->row_bytes = 0;
surface->pixel_bytes = 1;
goto exit;
}
result = open_png(name, &png_ptr, &info_ptr, &fp, &width, &height,
&channels);
if (result < 0)
return result;
if (channels != 1) {
result = -7;
goto exit;
}
/* TODO: check for error */
row = malloc(width);
for (y = 0; y < height; y++) {
int h, w;
char *loc;
png_read_row(png_ptr, row, NULL);
w = (row[1] << 8) | row[0];
h = (row[3] << 8) | row[2];
loc = (char *)row + 5;
if (y + 1 + h >= height || matches_locale(loc, locale)) {
int i;
printf(" %20s: %s (%d x %d @ %ld)\n", name, loc, w,
h, (long)y);
if (!(surface = malloc_surface(w * h))) {
result = -8;
goto exit;
}
surface->width = w;
surface->height = h;
surface->row_bytes = w;
surface->pixel_bytes = 1;
for (i = 0; i < h; i++, y++) {
png_read_row(png_ptr, row, NULL);
memcpy(surface->data + i * w, row, w);
}
*pSurface = (gr_surface)surface;
break;
} else {
int i;
for (i = 0; i < h; i++, y++)
png_read_row(png_ptr, row, NULL);
}
}
exit:
close_png(&png_ptr, &info_ptr, fp);
if (result < 0 && surface)
free(surface);
return result;
}