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Create V_DrawSmallThinString() for new "small-thin" option in v.drawString()

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Note this has some major limitations to prevent squished text. It defaults to using V_MONOSPACE|V_OLDSPACING and you cannot change the size of characters. V_6WIDTHSPACE seems to act exactly the same as V_OLDSPACING too.
This commit is contained in:
GoldenTails 2019-08-27 22:44:19 -05:00
parent 9f50b6ef73
commit 6527b5d16b
3 changed files with 213 additions and 0 deletions
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5
src/lua_hudlib.c
View file

@ -119,6 +119,7 @@ enum align {
align_smallfixed,
align_smallcenter,
align_smallright,
align_smallthin,
align_thin,
align_thinfixed,
align_thincenter,
@ -135,6 +136,7 @@ static const char *const align_opt[] = {
"small-fixed",
"small-center",
"small-right",
"small-thin",
"thin",
"thin-fixed",
"thin-center",
@ -760,6 +762,9 @@ static int libd_drawString(lua_State *L)
case align_smallright:
V_DrawRightAlignedSmallString(x, y, flags, str);
break;
case align_smallthin:
V_DrawSmallThinString(x, y, flags, str);
break;
// tny_font
case align_thin:
V_DrawThinString(x, y, flags, str);

205
src/v_video.c
View file

@ -2423,6 +2423,211 @@ void V_DrawRightAlignedThinString(INT32 x, INT32 y, INT32 option, const char *st
V_DrawThinString(x, y, option, string);
}
//
// Write a string using the tny_font, 0.5x scale
// NOTE: the text is centered for screens larger than the base width
//
/*
void V_DrawSmallThinString(INT32 x, INT32 y, INT32 option, const char *string)
{
INT32 w, c, cx = x, cy = y, dupx, dupy, scrwidth, center = 0, left = 0;
const char *ch = string;
INT32 charflags = 0;
const UINT8 *colormap = NULL;
INT32 spacewidth = 2, charwidth = 0;
INT32 lowercase = (option & V_ALLOWLOWERCASE);
option &= ~V_FLIP; // which is also shared with V_ALLOWLOWERCASE...
if (option & V_NOSCALESTART)
{
dupx = vid.dupx;
dupy = vid.dupy;
scrwidth = vid.width;
}
else
{
dupx = dupy = 1;
scrwidth = vid.width/vid.dupx;
left = (scrwidth - BASEVIDWIDTH)/4;
scrwidth -= left;
}
charflags = (option & V_CHARCOLORMASK);
switch (option & V_SPACINGMASK)
{
case V_MONOSPACE:
spacewidth = 3;
// FALLTHRU
case V_OLDSPACING:
charwidth = 3;
break;
case V_6WIDTHSPACE:
spacewidth = 2;
default:
break;
}
for (;;ch++)
{
if (!*ch)
break;
if (*ch & 0x80) //color parsing -x 2.16.09
{
// manually set flags override color codes
if (!(option & V_CHARCOLORMASK))
charflags = ((*ch & 0x7f) << V_CHARCOLORSHIFT) & V_CHARCOLORMASK;
continue;
}
if (*ch == '\n')
{
cx = x;
if (option & V_RETURN8)
cy += 4*dupy;
else
cy += 6*dupy;
continue;
}
c = *ch;
if (!lowercase || !tny_font[c-HU_FONTSTART])
c = toupper(c);
c -= HU_FONTSTART;
if (c < 0 || c >= HU_FONTSIZE || !tny_font[c])
{
cx += spacewidth * dupx;
continue;
}
if (charwidth)
{
w = charwidth * dupx;
center = w/2 - SHORT(tny_font[c]->width)*dupx/4;
}
else
w = SHORT(tny_font[c]->width) * dupx / 2;
if (cx > scrwidth)
break;
if (cx+left + w < 0) //left boundary check
{
cx += w;
continue;
}
colormap = V_GetStringColormap(charflags);
V_DrawFixedPatch((cx + center)<<FRACBITS, cy<<FRACBITS, FRACUNIT/2, option, tny_font[c], colormap);
cx += w;
}
}*/
void V_DrawSmallThinString(INT32 x, INT32 y, INT32 option, const char *string)
{
INT32 w, c, cx = x, cy = y, dupx, dupy, scrwidth, center = 0, left = 0;
const char *ch = string;
INT32 charflags = 0;
const UINT8 *colormap = NULL;
INT32 spacewidth = 2, charwidth = 0;
INT32 lowercase = (option & V_ALLOWLOWERCASE);
option &= ~V_FLIP; // which is also shared with V_ALLOWLOWERCASE...
if (option & V_NOSCALESTART)
{
dupx = vid.dupx;
dupy = vid.dupy;
scrwidth = vid.width;
}
else
{
dupx = dupy = 1;
scrwidth = vid.width/vid.dupx;
left = (scrwidth - BASEVIDWIDTH)/2;
scrwidth -= left;
}
charflags = (option & V_CHARCOLORMASK);
// Monospace only + spacing changes, otherwise the characters are squished together. ~Golden
switch (option & V_SPACINGMASK)
{
case V_MONOSPACE:
spacewidth = 3;
/* FALLTHRU */
case V_OLDSPACING:
charwidth = 3;
break;
case V_6WIDTHSPACE:
spacewidth = 2;
charwidth = 3;
break;
default:
spacewidth = 3;
charwidth = 3;
break;
}
for (;;ch++)
{
if (!*ch)
break;
if (*ch & 0x80) //color parsing -x 2.16.09
{
// manually set flags override color codes
if (!(option & V_CHARCOLORMASK))
charflags = ((*ch & 0x7f) << V_CHARCOLORSHIFT) & V_CHARCOLORMASK;
continue;
}
if (*ch == '\n')
{
cx = x;
if (option & V_RETURN8)
cy += 4*dupy;
else
cy += 6*dupy;
continue;
}
c = *ch;
if (!lowercase)
c = toupper(c);
c -= HU_FONTSTART;
// character does not exist or is a space
if (c < 0 || c >= HU_FONTSIZE || !tny_font[c])
{
cx += spacewidth * dupx;
continue;
}
if (charwidth)
{
w = charwidth * dupx;
center = w/2 - SHORT(tny_font[c]->width)*dupx/4;
}
else
w = SHORT(tny_font[c]->width) * dupx / 2;
if (cx > scrwidth)
break;
if (cx+left + w < 0) //left boundary check
{
cx += w;
continue;
}
colormap = V_GetStringColormap(charflags);
V_DrawFixedPatch((cx + center)<<FRACBITS, cy<<FRACBITS, FRACUNIT/2, option, tny_font[c], colormap);
cx += w;
}
}
// Draws a string at a fixed_t location.
void V_DrawStringAtFixed(fixed_t x, fixed_t y, INT32 option, const char *string)
{

3
src/v_video.h
View file

@ -213,6 +213,9 @@ void V_DrawThinString(INT32 x, INT32 y, INT32 option, const char *string);
void V_DrawCenteredThinString(INT32 x, INT32 y, INT32 option, const char *string);
void V_DrawRightAlignedThinString(INT32 x, INT32 y, INT32 option, const char *string);
// draw a string using the tny_font, 0.5x scale
void V_DrawSmallThinString(INT32 x, INT32 y, INT32 option, const char *string);
// draw a string using the hu_font at fixed_t coordinates
void V_DrawStringAtFixed(fixed_t x, fixed_t y, INT32 option, const char *string);
void V_DrawCenteredStringAtFixed(fixed_t x, fixed_t y, INT32 option, const char *string);