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(Vulkan) Fix font driver 'vulkan_get_message_width()' function

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This commit is contained in:
jdgleaver 2019-12-29 14:41:59 +00:00
parent 7fa6247770
commit 7ad4becedb
1 changed files with 11 additions and 7 deletions
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18
gfx/drivers_font/vulkan_raster_font.c
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@ -125,17 +125,21 @@ static int vulkan_get_message_width(void *data, const char *msg,
unsigned msg_len, float scale) unsigned msg_len, float scale)
{ {
vulkan_raster_t *font = (vulkan_raster_t*)data; vulkan_raster_t *font = (vulkan_raster_t*)data;
const char* msg_end = msg + msg_len;
int delta_x = 0;
unsigned i; if ( !font
int delta_x = 0; || !font->font_driver
|| !font->font_driver->get_glyph
if (!font) || !font->font_data )
return 0; return 0;
for (i = 0; i < msg_len; i++) while (msg < msg_end)
{ {
const struct font_glyph *glyph = uint32_t code = utf8_walk(&msg);
font->font_driver->get_glyph(font->font_data, (uint8_t)msg[i]); const struct font_glyph *glyph = font->font_driver->get_glyph(
font->font_data, code);
if (!glyph) /* Do something smarter here ... */ if (!glyph) /* Do something smarter here ... */
glyph = font->font_driver->get_glyph(font->font_data, '?'); glyph = font->font_driver->get_glyph(font->font_data, '?');