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authorltoetsch <>2001-03-01 15:11:30 +0000
committerltoetsch <>2001-03-01 15:11:30 +0000
commit5eaeb9d424feab2829ba1d5b80c917f7d959d71a (patch)
tree0f39e041e461437ed275db79c913d668af9026bd /Raster.c
parent0b05ba6a90ba10d55143565c510dbf09685b22a5 (diff)
downloadlcd4linux-5eaeb9d424feab2829ba1d5b80c917f7d959d71a.tar.gz
[lcd4linux @ 2001-03-01 15:11:30 by ltoetsch]
added PNG,Webinterface
Diffstat (limited to 'Raster.c')
-rw-r--r--Raster.c78
1 files changed, 74 insertions, 4 deletions
diff --git a/Raster.c b/Raster.c
index 1e6d4d6..eeb9aea 100644
--- a/Raster.c
+++ b/Raster.c
@@ -1,4 +1,4 @@
-/* $Id: Raster.c,v 1.12 2001/03/01 11:08:16 reinelt Exp $
+/* $Id: Raster.c,v 1.13 2001/03/01 15:11:30 ltoetsch Exp $
*
* driver for raster formats
*
@@ -20,6 +20,9 @@
*
*
* $Log: Raster.c,v $
+ * Revision 1.13 2001/03/01 15:11:30 ltoetsch
+ * added PNG,Webinterface
+ *
* Revision 1.12 2001/03/01 11:08:16 reinelt
*
* reworked configure to allow selection of drivers
@@ -94,7 +97,9 @@
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
-
+#ifdef WITH_PNG
+#include <gd.h>
+#endif
#include "debug.h"
#include "cfg.h"
@@ -203,12 +208,77 @@ int Raster_flush (void)
return -1;
}
if (rename (tmp, path)<0) {
- error ("Raster: close(%s) failed: %s", tmp, strerror(errno));
+ error ("Raster: rename(%s) failed: %s", tmp, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+
+
+#ifdef WITH_PNG
+int Png_flush (void)
+{
+ static int seq=0;
+ int xsize, ysize, row, col;
+ char path[256], tmp[256];
+ FILE *fp;
+ gdImagePtr im;
+ int bg, hg, fg;
+
+ xsize=2*border+(Lcd.cols-1)*cgap+Lcd.cols*Lcd.xres*pixel+(Lcd.cols*Lcd.xres-1)*pgap;
+ ysize=2*border+(Lcd.rows-1)*rgap+Lcd.rows*Lcd.yres*pixel+(Lcd.rows*Lcd.yres-1)*pgap;
+
+ im = gdImageCreate(xsize, ysize);
+ /* first color = background */
+ bg = gdImageColorAllocate(im,
+ 0xff&background>>16,
+ 0xff&background>>8,
+ 0xff&background);
+ hg = gdImageColorAllocate(im,
+ 0xff&halfground>>16,
+ 0xff&halfground>>8,
+ 0xff&halfground);
+
+ fg = gdImageColorAllocate(im,
+ 0xff&foreground>>16,
+ 0xff&foreground>>8,
+ 0xff&foreground);
+
+
+ for (row=0; row<Lcd.rows*Lcd.yres; row++) {
+ int y=border+(row/Lcd.yres)*rgap+row*(pixel+pgap);
+ for (col=0; col<Lcd.cols*Lcd.xres; col++) {
+ int x=border+(col/Lcd.xres)*cgap+col*(pixel+pgap);
+ gdImageFilledRectangle(im, x, y, x + pixel - 1 , y + pixel - 1,
+ LCDpixmap[row*Lcd.cols*Lcd.xres+col]? fg : hg);
+ }
+ }
+
+ snprintf (path, sizeof(path), output, seq++);
+ snprintf (tmp, sizeof(tmp), "%s.tmp", path);
+
+ if ((fp=fopen(tmp, "w")) == NULL) {
+ error("Png: fopen(%s) failed: %s\n", tmp, strerror(errno));
+ return -1;
+ }
+ gdImagePng(im, fp);
+ gdImageDestroy(im);
+
+
+ if (fclose (fp) != 0) {
+ error("Png: fclose(%s) failed: %s\n", tmp, strerror(errno));
+ return -1;
+ }
+ if (rename (tmp, path)<0) {
+ error("Png: rename(%s) failed: %s\n", tmp, strerror(errno));
return -1;
}
return 0;
}
+#endif
+
int Raster_clear (void)
{
@@ -297,7 +367,7 @@ LCD Raster[] = {
{ "PPM",0,0,0,0,BARS,0,Raster_init,Raster_clear,Raster_put,Raster_bar,NULL,Raster_flush },
#endif
#ifdef WITH_PNG
- { "PNG",0,0,0,0,BARS,0,Raster_init,Raster_clear,Raster_put,Raster_bar,NULL,Raster_flush },
+ { "PNG",0,0,0,0,BARS,0,Raster_init,Raster_clear,Raster_put,Raster_bar,NULL,Png_flush },
#endif
{ NULL }
};