a_dinosaur/ZSNES
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Uses the rom of the name as prefix for the png screenshot name in linux and winsows version

Browse Source
This commit is contained in:
teuf
2001-05-10 13:21:22 +00:00
parent c14fcadd0e
commit 0ce7ba3b73
1 changed files with 88 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

127
zsnes/src/zip/zpng.c
View File

@@ -34,12 +34,11 @@ int Png_Dump(const char * filename, unsigned short width, unsigned short height,
png_structp png_ptr;
png_infop info_ptr;
png_bytep * row_pointers;
/*Set scanline width for 32-bit color data*/
int scanline=width*4;
int i; /*counter.*/
int png_transforms=0;
png_color fake_pal;
/*Try to open the file.*/
FILE *fp = fopen(filename, "wb");
if (!fp)
@@ -47,21 +46,15 @@ int Png_Dump(const char * filename, unsigned short width, unsigned short height,
return (-1);
}
fake_pal.red = 0;
fake_pal.green = 0;
fake_pal.blue = 0;
/*Try to create png write struct, fail if we cannot.*/
png_ptr = png_create_write_struct
(PNG_LIBPNG_VER_STRING, NULL,/*(png_voidp)user_error_ptr,
user_error_fn*/NULL, NULL/*user_warning_fn*/);
if (!png_ptr)
return (-1);
/*try to create info struct. Fail and delete existing structs if info struct cannot be created.*/
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr)
{
png_destroy_write_struct(&png_ptr,
(png_infopp)NULL);
return (-1);
}
/*set png I/O source.*/
png_init_io(png_ptr, fp);
@@ -77,14 +70,25 @@ int Png_Dump(const char * filename, unsigned short width, unsigned short height,
png_set_compression_window_bits(png_ptr, 15);
png_set_compression_method(png_ptr, 8);
png_set_compression_buffer_size(png_ptr, 8192);
/*try to create info struct. Fail and delete existing structs if info struct cannot be created.*/
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr)
{
png_destroy_write_struct(&png_ptr,
(png_infopp)NULL);
return (-1);
}
/*set a lot of image info (code adapted from libpng documentation!)*/
png_set_IHDR(png_ptr, info_ptr, width, height,
8, PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
info_ptr->color_type=PNG_COLOR_TYPE_RGB_ALPHA;
/*Set palette and gamma (assume 1.0 gamma)*/
png_set_PLTE(png_ptr, info_ptr, NULL, 0);
// png_set_PLTE(png_ptr, info_ptr, &fake_pal, 1);
png_set_gAMA(png_ptr, info_ptr, ZPNG_GAMMA);
/*Allocate an array of scanline pointers*/
@@ -122,10 +126,76 @@ int Png_Dump(const char * filename, unsigned short width, unsigned short height,
return 0;
}
char *generate_filename(void)
{
extern char fnames;
char *filename;
char *tmp = &fnames;
struct stat buf;
short i=0;
#ifdef __WIN32__
SYSTEMTIME time;
#endif
#ifdef __MSDOS__
filename = (char *)malloc(14);
for(i=0;i<10000;i++)
{
if(i>1000)
sprintf(filename, "Image%03d.png", i);
else sprintf(filename, "Imag%04d.png", i);
if(stat(filename, &buf)==-1)
break;
}
return filename;
#endif
tmp++; // the first char is the string length
// removes the path if there is one
while (*tmp!=0) tmp++;
while ((*tmp!='/') && (tmp!=&fnames)) tmp--;
tmp++;
// I assume that fnames has already an extension
// allocates enough memory to store the filename
#ifdef __LINUX__
filename = (char *)malloc(strlen(tmp)+6);
#endif
#ifdef __WIN32__
filename = (char *)malloc(strlen(tmp)+36);
#endif
strcpy(filename, tmp);
tmp = filename;
while (*tmp!='.') tmp++;
#ifdef __WIN32__
/*get system time.*/
GetLocalTime(&time);
/*make filename from local time*/
wsprintf(tmp," %d_%02d_%02d_%02d-%02d-%02d-ScreenShot.png\0", time.wYear, time.wMonth, time.wDay, time.wHour, time.wMinute, time.wSecond);
#endif
#ifdef __LINUX__
/*find first unused file*/
/*Note: this results in a 1000 image limit!*/
for(i=0;i<10000;i++)
{
if(i>1000)
sprintf(tmp, " %03d.png", i);
else sprintf(tmp, " %04d.png", i);
if(stat(filename, &buf)==-1)
break;
}
#endif
return filename;
}
void Grab_PNG_Data(void)
{
char filename[64];
bool is_bgr_data=true;
char *filename;
bool is_bgr_data=true;
/*These are the variables used to perform the 32-bit conversion*/
int i,j;
@@ -137,31 +207,8 @@ void Grab_PNG_Data(void)
unsigned int * lookup32=(unsigned int *)BitConv32Ptr;
unsigned int * DBits;
#ifdef __WIN32__
SYSTEMTIME time;
/*get system time.*/
GetLocalTime(&time);
/*make filename from local time*/
wsprintf(filename,"%d_%02d_%02d_%02d-%02d-%02d-ScreenShot.png\0", time.wYear, time.wMonth, time.wDay, time.wHour, time.wMinute, time.wSecond);
filename = generate_filename();
#else
/*find first unused file*/
/*Note: this results in a 1000 image limit!*/
struct stat buf;
for(i=0;i<10000;i++)
{
if(i>1000)
sprintf(filename, "Image%03d.png", i);
else sprintf(filename, "Imag%04d.png", i);
if(stat(filename, &buf)==-1)
break;
}
#endif
/*Allocate image buffer for DIB data*/
DIBits=(unsigned char*)malloc(scanline*224);
@@ -190,10 +237,12 @@ void Grab_PNG_Data(void)
Png_Dump(filename, 256, 224, DIBits, is_bgr_data);
free(DIBits);
free(filename);
#ifdef __WIN32DBG__
_CrtDumpMemoryLeaks();
#endif
}
#endif