fix BGR/RGB handling

This commit is contained in:
kub 2024-02-14 22:26:18 +01:00
parent fa4a662a34
commit ff8abdddba
3 changed files with 54 additions and 37 deletions

54
menu.c
View file

@ -77,9 +77,9 @@ static void text_out16_(int x, int y, const char *text, int color)
{
int i, lh, tr, tg, tb, len;
unsigned short *dest = (unsigned short *)g_menuscreen_ptr + x + y * g_menuscreen_pp;
tr = (color & 0xf800) >> 8;
tg = (color & 0x07e0) >> 3;
tb = (color & 0x001f) << 3;
tr = PXGETR(color);
tg = PXGETG(color);
tb = PXGETB(color);
if (text == (void *)1)
{
@ -111,21 +111,21 @@ static void text_out16_(int x, int y, const char *text, int color)
{
int c, r, g, b;
c = *src >> 4;
r = (*dst & 0xf800) >> 8;
g = (*dst & 0x07e0) >> 3;
b = (*dst & 0x001f) << 3;
r = PXGETR(*dst);
g = PXGETG(*dst);
b = PXGETB(*dst);
r = (c^0xf)*r/15 + c*tr/15;
g = (c^0xf)*g/15 + c*tg/15;
b = (c^0xf)*b/15 + c*tb/15;
*dst++ = ((r<<8)&0xf800) | ((g<<3)&0x07e0) | (b>>3);
*dst++ = PXMAKE(r, g, b);
c = *src & 0xf;
r = (*dst & 0xf800) >> 8;
g = (*dst & 0x07e0) >> 3;
b = (*dst & 0x001f) << 3;
r = PXGETR(*dst);
g = PXGETG(*dst);
b = PXGETB(*dst);
r = (c^0xf)*r/15 + c*tr/15;
g = (c^0xf)*g/15 + c*tg/15;
b = (c^0xf)*b/15 + c*tb/15;
*dst++ = ((r<<8)&0xf800) | ((g<<3)&0x07e0) | (b>>3);
*dst++ = PXMAKE(r, g, b);
}
}
dest += me_mfont_w;
@ -241,11 +241,7 @@ static int parse_hex_color(char *buff)
char *endp = buff;
int t = (int) strtoul(buff, &endp, 16);
if (endp != buff)
#ifdef PSP
return ((t<<8)&0xf800) | ((t>>5)&0x07e0) | ((t>>19)&0x1f);
#else
return ((t>>8)&0xf800) | ((t>>5)&0x07e0) | ((t>>3)&0x1f);
#endif
return PXMAKE((t>>16)&0xff, (t>>8)&0xff,t&0xff);
return -1;
}
@ -367,7 +363,7 @@ static void menu_darken_bg(void *dst, void *src, int pixels, int darker)
while (pixels--)
{
unsigned int p = *sorc++;
*dest++ = ((p&0xf79ef79e)>>1) - ((p&0xc618c618)>>3);
*dest++ = (PXMASKH(p,1)>>1) - (PXMASKH(p,3)>>3);
}
}
else
@ -375,7 +371,7 @@ static void menu_darken_bg(void *dst, void *src, int pixels, int darker)
while (pixels--)
{
unsigned int p = *sorc++;
*dest++ = (p&0xf79ef79e)>>1;
*dest++ = (PXMASKH(p,1)>>1);
}
}
}
@ -400,7 +396,7 @@ static void menu_darken_text_bg(void)
ymax = g_menuscreen_h - 1;
for (x = xmin; x <= xmax; x++)
screen[y * g_menuscreen_pp + x] = 0xa514;
screen[y * g_menuscreen_pp + x] = PXMAKE(0xa0, 0xa0, 0xa0);
for (y++; y < ymax; y++)
{
ls = y * g_menuscreen_pp;
@ -409,7 +405,7 @@ static void menu_darken_text_bg(void)
{
unsigned int p = screen[ls + x];
if (p != menu_text_color)
screen[ls + x] = ((p&0xf79e)>>1) - ((p&0xc618)>>3);
screen[ls + x] = (PXMASKH(p,1)>>1) - (PXMASKH(p,3)>>3);
}
screen[ls + xmax] = 0xffff;
}
@ -664,7 +660,7 @@ static void me_draw(const menu_entry *entries, int sel, void (*draw_more)(void))
tmp = strchr(tmp + 1, '\n');
if (h >= l * me_sfont_h + 4)
for (tmp = ent_sel->help; l > 0; l--, tmp = strchr(tmp, '\n') + 1)
smalltext_out16(5, g_menuscreen_h - (l * me_sfont_h + 4), tmp, 0xffff);
smalltext_out16(5, g_menuscreen_h - (l * me_sfont_h + 4), tmp, PXMAKE(0xff, 0xff, 0xff));
}
menu_separation();
@ -845,7 +841,7 @@ static void do_delete(const char *fpath, const char *fname)
mid = g_menuscreen_w / 2;
text_out16(mid - me_mfont_w * 15 / 2, 8 * me_mfont_h, "About to delete");
smalltext_out16(mid - len * me_sfont_w / 2, 9 * me_mfont_h + 5, fname, 0xbdff);
smalltext_out16(mid - len * me_sfont_w / 2, 9 * me_mfont_h + 5, fname, PXMAKE(0xbf, 0xbf, 0xff));
text_out16(mid - me_mfont_w * 13 / 2, 11 * me_mfont_h, "Are you sure?");
nm = in_get_key_name(-1, -PBTN_MA3);
@ -886,20 +882,20 @@ static void draw_dirlist(char *curdir, struct dirent **namelist,
x = 5 + me_mfont_w + 1;
if (start - 2 >= 0)
smalltext_out16(14, (start - 2) * me_sfont_h, curdir, 0xffff);
smalltext_out16(14, (start - 2) * me_sfont_h, curdir, PXMAKE(0xff, 0xff, 0xff));
for (i = 0; i < n; i++) {
pos = start + i;
if (pos < 0) continue;
if (pos >= max_cnt) break;
if (namelist[i]->d_type == DT_DIR) {
smalltext_out16(x, pos * me_sfont_h, "/", 0xfff6);
smalltext_out16(x + me_sfont_w, pos * me_sfont_h, namelist[i]->d_name, 0xfff6);
smalltext_out16(x, pos * me_sfont_h, "/", PXMAKE(0xff, 0xff, 0xb0));
smalltext_out16(x + me_sfont_w, pos * me_sfont_h, namelist[i]->d_name, PXMAKE(0xff, 0xff, 0xb0));
} else {
unsigned short color = fname2color(namelist[i]->d_name);
smalltext_out16(x, pos * me_sfont_h, namelist[i]->d_name, color);
}
}
smalltext_out16(5, max_cnt/2 * me_sfont_h, ">", 0xffff);
smalltext_out16(5, max_cnt/2 * me_sfont_h, ">", PXMAKE(0xff, 0xff, 0xff));
if (show_help) {
darken_ptr = (short *)g_menuscreen_ptr
@ -909,17 +905,17 @@ static void draw_dirlist(char *curdir, struct dirent **namelist,
snprintf(buff, sizeof(buff), "%s - select, %s - back",
in_get_key_name(-1, -PBTN_MOK), in_get_key_name(-1, -PBTN_MBACK));
smalltext_out16(x, g_menuscreen_h - me_sfont_h * 3 - 2, buff, 0xe78c);
smalltext_out16(x, g_menuscreen_h - me_sfont_h * 3 - 2, buff, PXMAKE(0xe0, 0xf0, 0x60));
snprintf(buff, sizeof(buff), g_menu_filter_off ?
"%s - hide unknown files" : "%s - show all files",
in_get_key_name(-1, -PBTN_MA3));
smalltext_out16(x, g_menuscreen_h - me_sfont_h * 2 - 2, buff, 0xe78c);
smalltext_out16(x, g_menuscreen_h - me_sfont_h * 2 - 2, buff, PXMAKE(0xe0, 0xf0, 0x60));
snprintf(buff, sizeof(buff), g_autostateld_opt ?
"%s - autoload save is ON" : "%s - autoload save is OFF",
in_get_key_name(-1, -PBTN_MA2));
smalltext_out16(x, g_menuscreen_h - me_sfont_h * 1 - 2, buff, 0xe78c);
smalltext_out16(x, g_menuscreen_h - me_sfont_h * 1 - 2, buff, PXMAKE(0xe0, 0xf0, 0x60));
}
menu_draw_end();

24
plat.h
View file

@ -7,6 +7,30 @@
extern "C" {
#endif
// platform dependend color handling
#if defined(USE_BGR555)
#define PXMAKE(r,g,b) ((((b)<<7) & 0x7c00)|(((g)<<2) & 0x03e0)|((r)>>3))
#define PXMASKL(t,c) ((t) & (((1<<(c))-1)*0x04210421))
#define PXMASKH(t,c) ((t) & ~(((1<<(c))-1)*0x04210421) & 0x7fff)
#define PXGETR(t) (((t) & 0x001f)<<3)
#define PXGETG(t) (((t) & 0x03e0)>>2)
#define PXGETB(t) (((t) & 0x7c00)>>7)
#elif defined(USE_BGR565)
#define PXMAKE(r,g,b) ((((b)<<8) & 0xf800)|(((g)<<3) & 0x07e0)|((r)>>3))
#define PXMASKL(t,c) ((t) & (((1<<(c))-1)*0x08210821))
#define PXMASKH(t,c) ((t) & ~(((1<<(c))-1)*0x08210821))
#define PXGETR(t) (((t) & 0x001f)<<3)
#define PXGETG(t) (((t) & 0x07e0)>>3)
#define PXGETB(t) (((t) & 0xf800)>>8)
#else // RGB565
#define PXMAKE(r,g,b) ((((r)<<8) & 0xf800)|(((g)<<3) & 0x07e0)|((b)>>3))
#define PXMASKL(t,c) ((t) & (((1<<(c))-1)*0x08210821))
#define PXMASKH(t,c) ((t) & ~(((1<<(c))-1)*0x08210821))
#define PXGETR(t) (((t) & 0xf800)>>8)
#define PXGETG(t) (((t) & 0x07e0)>>3)
#define PXGETB(t) (((t) & 0x001f)<<3)
#endif
/* target device, everything is optional */
struct plat_target {
int (*cpu_clock_get)(void);

View file

@ -13,6 +13,7 @@
#include <stdlib.h>
#include <string.h>
#include <png.h>
#include "plat.h"
#include "readpng.h"
#include "lprintf.h"
@ -95,11 +96,7 @@ int readpng(void *dest, const char *fname, readpng_what what, int req_w, int req
int len = width;
while (len--)
{
#ifdef PSP
*dst++ = ((src[2]&0xf8)<<8) | ((src[1]&0xf8)<<3) | (src[0] >> 3); // BGR
#else
*dst++ = ((src[0]&0xf8)<<8) | ((src[1]&0xf8)<<3) | (src[2] >> 3); // RGB
#endif
*dst++ = PXMAKE(src[0], src[1], src[2]);
src += 3;
}
dst += req_w - width;
@ -224,9 +221,9 @@ int writepng(const char *fname, unsigned short *src, int w, int h)
goto end2;
row_pointers[i] = dst;
for (j = 0; j < w; j++, src++, dst += 3) {
dst[0] = (*src & 0xf800) >> 8;
dst[1] = (*src & 0x07e0) >> 3;
dst[2] = (*src & 0x001f) << 3;
dst[0] = PXGETR(*src);
dst[1] = PXGETG(*src);
dst[2] = PXGETB(*src);
}
}