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add scr_sshot_compression, sets level for png/jpg compression, ranges from 0-100 defaults to 75

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@2330 fc73d0e0-1445-4013-8a0c-d673dee63da5
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TimeServ 2006-06-17 04:18:52 +00:00
parent 177b95f346
commit 0b62fbba57
3 changed files with 11 additions and 7 deletions
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8
engine/client/cl_screen.c
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@ -106,6 +106,7 @@ extern cvar_t scr_showpause;
extern cvar_t scr_printspeed;
extern cvar_t scr_allowsnap;
extern cvar_t scr_sshot_type;
extern cvar_t scr_sshot_compression;
extern cvar_t crosshair;
extern cvar_t scr_consize;
@ -1643,7 +1644,7 @@ typedef struct _TargaHeader {
#ifdef AVAIL_JPEGLIB
void screenshotJPEG(char *filename, qbyte *screendata, int screenwidth, int screenheight);
void screenshotJPEG(char *filename, int compression, qbyte *screendata, int screenwidth, int screenheight);
#endif
#ifdef AVAIL_PNGLIB
int Image_WritePNG (char *filename, int compression, qbyte *pixels, int width, int height);
@ -1690,6 +1691,7 @@ void SCR_ScreenShot (char *filename)
int truewidth, trueheight;
qbyte *buffer;
int i, c, temp;
extern cvar_t scr_sshot_compression;
#define MAX_PREPAD 128
char *ext;
@ -1701,14 +1703,14 @@ void SCR_ScreenShot (char *filename)
#ifdef AVAIL_PNGLIB
if (!strcmp(ext, "png"))
{
Image_WritePNG(filename, 100, buffer+MAX_PREPAD, truewidth, trueheight);
Image_WritePNG(filename, scr_sshot_compression.value, buffer+MAX_PREPAD, truewidth, trueheight);
}
else
#endif
#ifdef AVAIL_JPEGLIB
if (!strcmp(ext, "jpeg") || !strcmp(ext, "jpg"))
{
screenshotJPEG(filename, buffer+MAX_PREPAD, truewidth, trueheight);
screenshotJPEG(filename, scr_sshot_compression.value, buffer+MAX_PREPAD, truewidth, trueheight);
}
else
#endif

7
engine/client/image.c
View file

@ -713,7 +713,8 @@ int Image_WritePNG (char *filename, int compression, qbyte *pixels, int width, i
}
png_init_io(png_ptr, fp);
png_set_compression_level(png_ptr, (compression*Z_BEST_COMPRESSION)/100);
compression = bound(0, compression, 100);
png_set_compression_level(png_ptr, Z_NO_COMPRESSION + (compression*(Z_BEST_COMPRESSION-Z_NO_COMPRESSION))/100);
png_set_IHDR(png_ptr, info_ptr, width, height, 8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_write_info(png_ptr, info_ptr);
@ -1050,7 +1051,7 @@ void jpeg_mem_dest (j_compress_ptr cinfo, vfsfile_t *vfs)
METHODDEF(void) jpeg_error_exit (j_common_ptr cinfo) {
longjmp(((jpeg_error_mgr_wrapper *) cinfo->err)->setjmp_buffer, 1);
}
void screenshotJPEG(char *filename, qbyte *screendata, int screenwidth, int screenheight) //input is rgb NOT rgba
void screenshotJPEG(char *filename, int compression, qbyte *screendata, int screenwidth, int screenheight) //input is rgb NOT rgba
{
qbyte *buffer;
vfsfile_t *outfile;
@ -1088,7 +1089,7 @@ void screenshotJPEG(char *filename, qbyte *screendata, int screenwidth, int scre
cinfo.input_components = 3;
cinfo.in_color_space = JCS_RGB;
jpeg_set_defaults(&cinfo);
jpeg_set_quality (&cinfo, 75/*bound(0, (int) gl_image_jpeg_quality_level.value, 100)*/, true);
jpeg_set_quality (&cinfo, bound(0, compression, 100), true);
jpeg_start_compress(&cinfo, true);
while (cinfo.next_scanline < cinfo.image_height)

3
engine/client/renderer.c
View file

@ -171,7 +171,7 @@ cvar_t gl_lateswap = SCVAR("gl_lateswap", "0");
cvar_t gl_mylumassuck = SCVAR("gl_mylumassuck", "0");
cvar_t scr_sshot_type = SCVAR("scr_sshot_type", "jpg");
cvar_t scr_sshot_compression = SCVAR("scr_sshot_compression", "75");
cvar_t scr_centersbar = SCVAR("scr_centersbar", "0");
cvar_t scr_consize = SCVAR("scr_consize", "0.5");
@ -522,6 +522,7 @@ void Renderer_Init(void)
Cvar_Register(&scr_chatmodecvar, SCREENOPTIONS);
Cvar_Register (&scr_sshot_type, SCREENOPTIONS);
Cvar_Register (&scr_sshot_compression, SCREENOPTIONS);
Cvar_Register(&cl_cursor, SCREENOPTIONS);
Cvar_Register(&cl_cursorsize, SCREENOPTIONS);