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Starting to fix the core problem. 

Using Pango's pango_get_log_attrs function.

Not finished yet, but this is the start of it.
This commit is contained in:
Julie Marchant 2019-06-03 22:36:03 -04:00
parent 0a522faea6
commit c798d0d7ec
3 changed files with 15 additions and 27 deletions
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4
configure.ac
View File

@ -39,10 +39,10 @@ PKG_CHECK_EXISTS([SDL2_mixer], [
STARFIGHTER_CFLAGS="$STARFIGHTER_CFLAGS -DNOSOUND" STARFIGHTER_CFLAGS="$STARFIGHTER_CFLAGS -DNOSOUND"
echo "Note: SDL_mixer not found; audio will not be supported." echo "Note: SDL_mixer not found; audio will not be supported."
]) ])
PKG_CHECK_MODULES([UTF8PROC], [libutf8proc], [ PKG_CHECK_MODULES([PANGO], [pango], [
], [ ], [
STARFIGHTER_CFLAGS="$STARFIGHTER_CFLAGS -DNOFONT" STARFIGHTER_CFLAGS="$STARFIGHTER_CFLAGS -DNOFONT"
echo "Note: utf8proc not found; Unicode will not be supported." echo "Note: Pango not found; Unicode will not be supported."
]) ])
AC_ARG_VAR([SF_SCREEN_WIDTH], [The width of the game window in pixels]) AC_ARG_VAR([SF_SCREEN_WIDTH], [The width of the game window in pixels])

4
src/Makefile.am
View File

@ -6,8 +6,8 @@
bin_PROGRAMS = starfighter bin_PROGRAMS = starfighter
starfighter_CPPFLAGS = $(STARFIGHTER_CFLAGS) -DDATADIR=\"$(pkgdatadir)\" -Wall starfighter_CPPFLAGS = $(STARFIGHTER_CFLAGS) -DDATADIR=\"$(pkgdatadir)\" -Wall
starfighter_CFLAGS = $(SDL_CFLAGS) $(UTF8PROC_CFLAGS) -lm starfighter_CFLAGS = $(SDL_CFLAGS) $(PANGO_CFLAGS) -lm
starfighter_LDADD = $(SDL_LIBS) $(UTF8PROC_LIBS) starfighter_LDADD = $(SDL_LIBS) $(PANGO_LIBS)
starfighter_SOURCES = \ starfighter_SOURCES = \
Starfighter.c \ Starfighter.c \

32
src/gfx.c
View File

@ -26,7 +26,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef NOFONT #ifndef NOFONT
#include "SDL_ttf.h" #include "SDL_ttf.h"
#include "utf8proc.h" #include "pango.h"
#endif #endif
#include "defs.h" #include "defs.h"
@ -236,12 +236,12 @@ int gfx_renderUnicodeBase(const char *in, int x, int y, int fontColor, int wrap,
SDL_Color color; SDL_Color color;
int w, h; int w, h;
int changed; int changed;
utf8proc_int32_t buf;
utf8proc_int32_t prev;
int breakPoints[STRMAX]; int breakPoints[STRMAX];
int nBreakPoints; int nBreakPoints;
char testStr[STRMAX]; const char testStr[STRMAX];
char remainingStr[STRMAX]; char remainingStr[STRMAX];
PangoLogAttr logAttrs[STRMAX];
int nLogAttrs;
int state; int state;
int i, j; int i, j;
SDL_Rect area; SDL_Rect area;
@ -261,30 +261,18 @@ int gfx_renderUnicodeBase(const char *in, int x, int y, int fontColor, int wrap,
changed = 1; changed = 1;
while (changed && (w > dest->w)) while (changed && (w > dest->w))
{ {
i = 0; nLogAttrs = strlen(remainingStr) + 1;
j = 0; pango_get_log_attrs(remainingStr, strlen(remainingStr), -1, NULL, logAttrs, nLogAttrs);
prev = '\0';
state = 0;
nBreakPoints = 0; nBreakPoints = 0;
while (i < strlen(remainingStr)) for (i = 0; i < nLogAttrs; i++)
{ {
j = utf8proc_iterate((utf8proc_uint8_t*)(&remainingStr[i]), -1, &buf); if (logAttrs[i].is_line_break)
if (buf < 0)
{ {
printf("WARNING: Unicode string \"%s\" contains an invalid character!\n", remainingStr); breakPoints[nBreakPoints] = i;
break;
}
else
{
if (utf8proc_grapheme_break_stateful(prev, buf, &state))
{
breakPoints[nBreakPoints] = i + 1;
nBreakPoints++; nBreakPoints++;
} }
} }
i += j;
prev = buf;
}
changed = 0; changed = 0;
for (i = nBreakPoints - 1; i >= 0; i--) for (i = nBreakPoints - 1; i >= 0; i--)