VbError_t VbDisplayScreenFromGBB(VbCommonParams *cparams, uint32_t screen,
VbNvContext *vncptr)
{
char *fullimage = NULL;
BmpBlockHeader hdr;
uint32_t screen_index;
uint32_t localization = 0;
VbError_t retval = VBERROR_UNKNOWN; /* Assume error until proven ok */
uint32_t inoutsize;
uint32_t i;
VbFont_t *font;
const char *text_to_show;
int rtol = 0;
VbError_t ret;
ret = VbGbbReadBmpHeader(cparams, &hdr);
if (ret)
return ret;
/*
* Translate screen ID into index. Note that not all screens are in
* the GBB.
*
* TODO: ensure screen IDs match indices? Having this translation here
* is awful.
*/
switch (screen) {
case VB_SCREEN_DEVELOPER_WARNING:
screen_index = SCREEN_DEVELOPER_WARNING;
break;
case VB_SCREEN_RECOVERY_REMOVE:
screen_index = SCREEN_RECOVERY_REMOVE;
break;
case VB_SCREEN_RECOVERY_NO_GOOD:
screen_index = SCREEN_RECOVERY_NO_GOOD;
break;
case VB_SCREEN_RECOVERY_INSERT:
screen_index = SCREEN_RECOVERY_INSERT;
break;
case VB_SCREEN_RECOVERY_TO_DEV:
screen_index = SCREEN_RECOVERY_TO_DEV;
break;
case VB_SCREEN_DEVELOPER_TO_NORM:
screen_index = SCREEN_DEVELOPER_TO_NORM;
break;
case VB_SCREEN_WAIT:
screen_index = SCREEN_WAIT;
break;
case VB_SCREEN_TO_NORM_CONFIRMED:
screen_index = SCREEN_TO_NORM_CONFIRMED;
break;
case VB_SCREEN_BLANK:
case VB_SCREEN_DEVELOPER_EGG:
default:
/* Screens which aren't in the GBB */
VBDEBUG(("VbDisplayScreenFromGBB(): screen %d not in the GBB\n",
(int)screen));
retval = VBERROR_INVALID_SCREEN_INDEX;
goto VbDisplayScreenFromGBB_exit;
}
if (screen_index >= hdr.number_of_screenlayouts) {
VBDEBUG(("VbDisplayScreenFromGBB(): "
"screen %d index %d not in the GBB\n",
(int)screen, (int)screen_index));
retval = VBERROR_INVALID_SCREEN_INDEX;
goto VbDisplayScreenFromGBB_exit;
}
/* Clip localization to number of localizations present in the GBB */
VbNvGet(vncptr, VBNV_LOCALIZATION_INDEX, &localization);
if (localization >= hdr.number_of_localizations) {
localization = 0;
VbNvSet(vncptr, VBNV_LOCALIZATION_INDEX, localization);
}
/* Display all bitmaps for the image */
for (i = 0; i < MAX_IMAGE_IN_LAYOUT; i++) {
ScreenLayout layout;
ImageInfo image_info;
char hwid[256];
ret = VbGbbReadImage(cparams, localization, screen_index,
i, &layout, &image_info,
&fullimage, &inoutsize);
if (ret == VBERROR_NO_IMAGE_PRESENT) {
continue;
} else if (ret) {
retval = ret;
goto VbDisplayScreenFromGBB_exit;
}
switch(image_info.format) {
case FORMAT_BMP:
if (i == 0) {
/**
* In current version GBB bitmaps, first image
* is always the background.
*/
ret = VbExDisplaySetDimension(
image_info.width,
image_info.height);
if (ret) {
VBDEBUG(("VbExDisplaySetDimension"
"(%d,%d): failed (%#x).\n",
image_info.width,
image_info.height, ret));
}
}
retval = VbExDisplayImage(layout.images[i].x,
layout.images[i].y,
fullimage, inoutsize);
break;
case FORMAT_FONT:
/*
* The uncompressed blob is our font structure. Cache
* it as needed.
*/
font = VbInternalizeFontData(
(FontArrayHeader *)fullimage);
/* TODO: handle text in general here */
if (TAG_HWID == image_info.tag ||
TAG_HWID_RTOL == image_info.tag) {
VbRegionReadHWID(cparams, hwid, sizeof(hwid));
text_to_show = hwid;
rtol = (TAG_HWID_RTOL == image_info.tag);
} else {
text_to_show = "";
rtol = 0;
}
VbRenderTextAtPos(text_to_show, rtol,
layout.images[i].x,
layout.images[i].y, font);
VbDoneWithFontForNow(font);
break;
default:
VBDEBUG(("VbDisplayScreenFromGBB(): "
"unsupported ImageFormat %d\n",
image_info.format));
retval = VBERROR_INVALID_GBB;
}
VbExFree(fullimage);
if (VBERROR_SUCCESS != retval)
goto VbDisplayScreenFromGBB_exit;
}
/* Successful if all bitmaps displayed */
retval = VBERROR_SUCCESS;
VbRegionCheckVersion(cparams);
VbDisplayScreenFromGBB_exit:
VBDEBUG(("leaving VbDisplayScreenFromGBB() with %d\n",retval));
return retval;
}
.info.original_size = 30,
},
};
FontArrayEntryHeader *eptr;
uint8_t buf[sizeof(h) + sizeof(eh)];
VbFont_t *fptr;
void *bufferptr;
uint32_t buffersize;
/* Create font data */
h.num_entries = ARRAY_SIZE(eh);
Memcpy(buf, &h, sizeof(h));
eptr = (FontArrayEntryHeader *)(buf + sizeof(h));
Memcpy(eptr, eh, sizeof(eh));
fptr = VbInternalizeFontData((FontArrayHeader *)buf);
TEST_PTR_EQ(fptr, buf, "Internalize");
TEST_PTR_EQ(VbFindFontGlyph(fptr, 'B', &bufferptr, &buffersize),
&eptr[1].info, "Glyph found");
TEST_EQ(buffersize, eptr[1].info.original_size, " size");
TEST_PTR_EQ(VbFindFontGlyph(fptr, 'X', &bufferptr, &buffersize),
&eptr[0].info, "Glyph not found");
TEST_EQ(buffersize, eptr[0].info.original_size, " size");
/* Test invalid rendering params */
VbRenderTextAtPos(NULL, 0, 0, 0, fptr);
VbRenderTextAtPos("ABC", 0, 0, 0, NULL);
VbDoneWithFontForNow(fptr);
