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tweaking pandora frontend

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@874 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2010-05-31 22:12:46 +00:00
parent 03065bb617
commit be672de78d
16 changed files with 378 additions and 144 deletions
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55
platform/common/readpng.c
View file

@ -4,15 +4,7 @@
#include "readpng.h"
#include "lprintf.h"
#ifdef PSP
#define BG_WIDTH 480
#define BG_HEIGHT 272
#else
#define BG_WIDTH 320
#define BG_HEIGHT 240
#endif
int readpng(void *dest, const char *fname, readpng_what what)
int readpng(void *dest, const char *fname, readpng_what what, int req_w, int req_h)
{
FILE *fp;
png_structp png_ptr = NULL;
@ -71,9 +63,11 @@ int readpng(void *dest, const char *fname, readpng_what what)
break;
}
height = info_ptr->height;
if (height > BG_HEIGHT) height = BG_HEIGHT;
if (height > req_h)
height = req_h;
width = info_ptr->width;
if (width > BG_WIDTH) width = BG_WIDTH;
if (width > req_w)
width = req_w;
for (h = 0; h < height; h++)
{
@ -88,7 +82,7 @@ int readpng(void *dest, const char *fname, readpng_what what)
#endif
src += 3;
}
dst += BG_WIDTH - width;
dst += req_w - width;
}
break;
}
@ -97,10 +91,10 @@ int readpng(void *dest, const char *fname, readpng_what what)
{
int x, y, x1, y1;
unsigned char *dst = dest;
if (info_ptr->width != 128 || info_ptr->height != 160)
if (info_ptr->width != req_w || info_ptr->height != req_h)
{
lprintf(__FILE__ ": unexpected font image size %ix%i, needed 128x160\n",
(int)info_ptr->width, (int)info_ptr->height);
lprintf(__FILE__ ": unexpected font image size %dx%d, needed %dx%d\n",
(int)info_ptr->width, (int)info_ptr->height, req_w, req_h);
break;
}
if (info_ptr->pixel_depth != 8)
@ -112,10 +106,13 @@ int readpng(void *dest, const char *fname, readpng_what what)
{
for (x = 0; x < 16; x++)
{
for (y1 = 0; y1 < 10; y1++)
/* 16x16 grid of syms */
int sym_w = req_w / 16;
int sym_h = req_h / 16;
for (y1 = 0; y1 < sym_h; y1++)
{
unsigned char *src = row_ptr[y*10 + y1] + x*8;
for (x1 = 8/2; x1 > 0; x1--, src+=2)
unsigned char *src = row_ptr[y*sym_h + y1] + x*sym_w;
for (x1 = sym_w/2; x1 > 0; x1--, src+=2)
*dst++ = ((src[0]^0xff) & 0xf0) | ((src[1]^0xff) >> 4);
}
}
@ -127,10 +124,10 @@ int readpng(void *dest, const char *fname, readpng_what what)
{
int x1, y1;
unsigned char *dst = dest;
if (info_ptr->width != 8 || info_ptr->height != 10)
if (info_ptr->width != req_w || info_ptr->height != req_h)
{
lprintf(__FILE__ ": unexpected selector image size %ix%i, needed 8x10\n",
(int)info_ptr->width, (int)info_ptr->height);
lprintf(__FILE__ ": unexpected selector image size %ix%i, needed %dx%d\n",
(int)info_ptr->width, (int)info_ptr->height, req_w, req_h);
break;
}
if (info_ptr->pixel_depth != 8)
@ -138,20 +135,18 @@ int readpng(void *dest, const char *fname, readpng_what what)
lprintf(__FILE__ ": selector image uses %ibpp, needed 8bpp\n", info_ptr->pixel_depth);
break;
}
for (y1 = 0; y1 < 10; y1++)
for (y1 = 0; y1 < req_h; y1++)
{
unsigned char *src = row_ptr[y1];
for (x1 = 8/2; x1 > 0; x1--, src+=2)
for (x1 = req_w/2; x1 > 0; x1--, src+=2)
*dst++ = ((src[0]^0xff) & 0xf0) | ((src[1]^0xff) >> 4);
}
break;
}
case READPNG_320_24:
case READPNG_480_24:
case READPNG_24:
{
int height, width, h;
int needw = (what == READPNG_480_24) ? 480 : 320;
unsigned char *dst = dest;
if (info_ptr->pixel_depth != 24)
{
@ -159,15 +154,17 @@ int readpng(void *dest, const char *fname, readpng_what what)
break;
}
height = info_ptr->height;
if (height > 240) height = 240;
if (height > req_h)
height = req_h;
width = info_ptr->width;
if (width > needw) width = needw;
if (width > req_w)
width = req_w;
for (h = 0; h < height; h++)
{
int len = width;
unsigned char *src = row_ptr[h];
dst += (needw - width) * 3;
dst += (req_w - width) * 3;
for (len = width; len > 0; len--, dst+=3, src+=3)
dst[0] = src[2], dst[1] = src[1], dst[2] = src[0];
}