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authorBruce Evans <bde@FreeBSD.org>2019-03-24 19:41:45 +0000
committerBruce Evans <bde@FreeBSD.org>2019-03-24 19:41:45 +0000
commitdd38752cb9555951699581e2fbba5ce7d53085e7 (patch)
treece49ce43b70fc22e8540b1e2d1c30ac21e351430 /lib/libvgl
parent9ceb90b2b62f0d7ff26a0be03829baf8b8ecc389 (diff)
downloadsrc-dd38752cb9555951699581e2fbba5ce7d53085e7.tar.gz
src-dd38752cb9555951699581e2fbba5ce7d53085e7.zip
Notes
Diffstat (limited to 'lib/libvgl')
-rw-r--r--lib/libvgl/text.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/lib/libvgl/text.c b/lib/libvgl/text.c
index a090b8243233..be83ab08dc9e 100644
--- a/lib/libvgl/text.c
+++ b/lib/libvgl/text.c
@@ -66,7 +66,7 @@ FILE *fd;
VGLTextFont->BitmapArray =
(byte*)malloc(256*((VGLTextFont->Width + 7)/8)*VGLTextFont->Height);
fread(VGLTextFont->BitmapArray, 1,
- (256*VGLTextFont->Width* VGLTextFont->Height), fd);
+ (256*((VGLTextFont->Width + 7)/8)*VGLTextFont->Height), fd);
fclose(fd);
}
return 0;
@@ -76,44 +76,48 @@ void
VGLBitmapPutChar(VGLBitmap *Object, int x, int y, byte ch,
byte fgcol, byte bgcol, int fill, int dir)
{
- int lin, bit;
+ int b, Bpc, Bpl, lin, bit, topbit;
+ Bpl = (VGLTextFont->Width + 7) / 8;
+ Bpc = Bpl * VGLTextFont->Height;
+ topbit = VGLTextFont->Width - 1;
for(lin = 0; lin < VGLTextFont->Height; lin++) {
for(bit = 0; bit < VGLTextFont->Width; bit++) {
- if (VGLTextFont->BitmapArray[((ch*VGLTextFont->Height)+lin)]&(1<<bit))
+ b = bit + (-VGLTextFont->Width & 7);
+ if (VGLTextFont->BitmapArray[(ch*Bpc)+(lin*Bpl)+(b/8)]&(1<<(b%8)))
switch (dir) {
case 0:
- VGLSetXY(Object, (x+7-bit), (y+lin), fgcol);
+ VGLSetXY(Object, (x+topbit-bit), (y+lin), fgcol);
break;
case 1:
- VGLSetXY(Object, (x+lin), (y-7+bit), fgcol);
+ VGLSetXY(Object, (x+lin), (y-topbit+bit), fgcol);
break;
case 2:
- VGLSetXY(Object, (x-7+bit), (y-lin), fgcol);
+ VGLSetXY(Object, (x-topbit+bit), (y-lin), fgcol);
break;
case 3:
- VGLSetXY(Object, (x-lin), (y+7-bit), fgcol);
+ VGLSetXY(Object, (x-lin), (y+topbit-bit), fgcol);
break;
case 4:
- VGLSetXY(Object, (x+lin+7-bit), (y+lin+bit), fgcol);
+ VGLSetXY(Object, (x+lin+topbit-bit), (y+lin+bit), fgcol);
break;
}
else if (fill)
switch (dir) {
case 0:
- VGLSetXY(Object, (x+7-bit), (y+lin), bgcol);
+ VGLSetXY(Object, (x+topbit-bit), (y+lin), bgcol);
break;
case 1:
- VGLSetXY(Object, (x+lin), (y-7+bit), bgcol);
+ VGLSetXY(Object, (x+lin), (y-topbit+bit), bgcol);
break;
case 2:
- VGLSetXY(Object, (x-7+bit), (y-lin), bgcol);
+ VGLSetXY(Object, (x-topbit+bit), (y-lin), bgcol);
break;
case 3:
- VGLSetXY(Object, (x-lin), (y+7-bit), bgcol);
+ VGLSetXY(Object, (x-lin), (y+topbit-bit), bgcol);
break;
case 4:
- VGLSetXY(Object, (x+lin+7-bit), (y+lin+bit), bgcol);
+ VGLSetXY(Object, (x+lin+topbit-bit), (y+lin+bit), bgcol);
break;
}
}