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allow tweaking threshold where alpha turns to mask

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This commit is contained in:
Chris Young 2012-08-10 18:21:57 +01:00
parent a0b344afe6
commit eaa6183567
2 changed files with 4 additions and 1 deletions
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2
amiga/bitmap.c
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@ -495,7 +495,7 @@ static PLANEPTR ami_bitmap_get_mask(struct bitmap *bitmap, int width, int height
for(y=0; y<height; y++) {
for(x=0; x<width; x++) {
if ((*bmi & 0x000000ffU) == 0x00000000U) maskbit = 0;
if ((*bmi & 0x000000ffU) <= (ULONG)nsoption_int(mask_alpha)) maskbit = 0;
else maskbit = 1;
bmi++;
bitmap->native_mask[(y*(width/8)) + (x/8)] =

3
amiga/options.h
View File

@ -50,6 +50,7 @@
bool faster_scroll; \
bool scale_quality; \
int dither_quality; \
int mask_alpha; \
bool ask_overwrite; \
int printer_unit; \
int print_scale; \
@ -111,6 +112,7 @@
.faster_scroll = true, \
.scale_quality = false, \
.dither_quality = 1, \
.mask_alpha = 0, \
.ask_overwrite = true, \
.printer_unit = 0, \
.print_scale = 100, \
@ -171,6 +173,7 @@
{ "faster_scroll", OPTION_BOOL, &nsoptions.faster_scroll}, \
{ "scale_quality", OPTION_BOOL, &nsoptions.scale_quality}, \
{ "dither_quality", OPTION_INTEGER, &nsoptions.dither_quality}, \
{ "mask_alpha", OPTION_INTEGER, &nsoptions.mask_alpha}, \
{ "ask_overwrite", OPTION_BOOL, &nsoptions.ask_overwrite}, \
{ "printer_unit", OPTION_INTEGER, &nsoptions.printer_unit}, \
{ "print_scale", OPTION_INTEGER, &nsoptions.print_scale}, \