Imported Debian patch 1.1.1+rev1355-1debian/1.1.1+rev1355-1

1 files changed, 258 insertions, 0 deletions

diff --git a/util/alevt/exp-gfx.c b/util/alevt/exp-gfx.c
new file mode 100644
index 0000000..82ab218
--- /dev/null
+++ b/util/alevt/exp-gfx.c
@@ -0,0 +1,258 @@
+/* Copyright 1999 by Paul Ortyl <ortylp@from.pl> */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "lang.h"
+#include "export.h"
+#include "font.h"
+#define WW (W*CW) /* pixel width of window */
+#define WH (H*CH) /* pixel hegiht of window */
+
+
+static inline void draw_char(unsigned char * colour_matrix, int fg, int bg,
+    int c, int dbl, int _x, int _y, int sep)
+{
+  int x,y;
+  unsigned char* src= (latin1==LATIN1 ? font1_bits : font2_bits);
+  int dest_x=_x*CW;
+  int dest_y=_y*CH;
+      
+  for(y=0;y<(CH<<dbl); y++)
+    {
+      for(x=0;x<CW; x++)
+	{
+	  int bitnr, bit, maskbitnr, maskbit;
+	  bitnr=(c/32*CH + (y>>dbl))*CW*32+ c%32*CW +x;
+	  bit=(*(src+bitnr/8))&(1<<bitnr%8);
+	  if (sep)
+	    {
+	      maskbitnr=(0xa0/32*CH + (y>>dbl))*CW*32+ 0xa0%32*CW +x;
+	      maskbit=(*(src+maskbitnr/8))&(1<<maskbitnr%8);
+	      *(colour_matrix+WW*(dest_y+y)+dest_x+x)=
+		(char)((bit && (!maskbit)) ? fg : bg);
+	    }
+	  else 
+	    *(colour_matrix+WW*(dest_y+y)+dest_x+x)=
+	      (char)(bit ? fg : bg);
+	}
+    }
+  return;
+}
+
+
+static void prepare_colour_matrix(/*struct export *e,*/
+		      struct fmt_page *pg, 
+		      unsigned char *colour_matrix)
+{
+   int x, y;
+   for (y = 0; y < H; ++y)
+	{
+	  for (x = 0; x < W; ++x)
+	    { 
+	      if (pg->dbl & (1<<(y-1)))
+		{
+		  if (pg->data[y-1][x].attr & EA_HDOUBLE)
+		     draw_char(colour_matrix, pg->data[y][x].fg, 
+			    pg->data[y][x].bg, pg->data[y][x].ch, 
+			    (0), 
+			    x, y, 
+			    ((pg->data[y][x].attr & EA_SEPARATED) ? 1 : 0)
+			    );
+		}
+	      else
+		{
+		  draw_char(colour_matrix, pg->data[y][x].fg, 
+			    pg->data[y][x].bg, pg->data[y][x].ch, 
+			    ((pg->data[y][x].attr & EA_DOUBLE) ? 1 : 0), 
+			    x, y, 
+			    ((pg->data[y][x].attr & EA_SEPARATED) ? 1 : 0)
+			    );
+		}
+	    }
+	}
+    return;
+}
+
+
+static int ppm_output(struct export *e, char *name, struct fmt_page *pg);
+
+struct export_module export_ppm = // exported module definition
+{
+    "ppm",			// id
+    "ppm",			// extension
+    0,				// options
+    0,				// size
+    0,				// open
+    0,				// close
+    0,				// option
+    ppm_output			// output
+};
+
+
+static int ppm_output(struct export *e, char *name, struct fmt_page *pg)
+{
+  FILE *fp;
+  long n;
+  static u8 rgb1[][3]={{0,0,0},
+		      {1,0,0},
+		      {0,1,0},
+		      {1,1,0},
+		      {0,0,1},
+		      {1,0,1},
+		      {0,1,1},
+		      {1,1,1}};
+  unsigned char *colour_matrix;
+
+  if (!(colour_matrix=malloc(WH*WW))) 
+    {
+      export_error("cannot allocate memory");
+      return 0;
+    }
+
+  prepare_colour_matrix(/*e,*/ pg, (unsigned char *)colour_matrix); 
+  if (not(fp = fopen(name, "w")))
+    {
+      free(colour_matrix);
+      export_error("cannot create file");
+      return -1;
+    }
+  fprintf(fp,"P6 %d %d 1\n", WW, WH);
+
+  for(n=0;n<WH*WW;n++)
+    {
+      if (!fwrite(rgb1[(int) *(colour_matrix+n)], 3, 1, fp))
+	{
+	  export_error("error while writting to file");
+	  free(colour_matrix);
+	  fclose(fp);
+	  return -1;
+	}
+    }
+  free(colour_matrix);
+  fclose(fp);
+  return 0;
+}
+
+
+#ifdef WITH_PNG
+
+#include <png.h>
+static int png_open(struct export *e);
+static int png_option(struct export *e, int opt, char *arg);
+static int png_output(struct export *e, char *name, struct fmt_page *pg);
+static char *png_opts[] =	// module options
+{
+    "compression=<0-9>",	// set compression level
+    0
+};
+
+struct png_data			// private data in struct export
+{
+    int compression;
+};
+
+struct export_module export_png =	// exported module definition
+{
+    "png",			// id
+    "png",			// extension
+    png_opts,			// options
+    sizeof(struct png_data),	// size
+    png_open,			// open
+    0,				// close
+    png_option,			// option
+    png_output			// output
+};
+
+#define D  ((struct png_data *)e->data)
+
+
+static int png_open(struct export *e)
+{
+    D->compression = Z_DEFAULT_COMPRESSION;
+    return 0;
+}
+
+
+static int png_option(struct export *e, int opt, char *arg)
+{
+    switch (opt)
+    {
+	case 1: // compression=
+	    if (*arg >= '0' && *arg <= '9')
+		D->compression = *arg - '0';
+	    break;
+    }
+    return 0;
+}
+
+
+static int png_output(struct export *e, char *name, struct fmt_page *pg)
+{
+  FILE *fp;
+  int x;
+  png_structp png_ptr;
+  png_infop info_ptr;
+  png_byte *row_pointers[WH];
+  static u8 rgb8[][3]={{  0,  0,  0},
+		      {255,  0,  0},
+		      {  0,255,  0},
+		      {255,255,  0},
+		      {  0,  0,255},
+		      {255,  0,255},
+		      {  0,255,255},
+		      {255,255,255}};
+  unsigned char *colour_matrix;
+
+  if (!(colour_matrix=malloc(WH*WW))) 
+    {
+      export_error("cannot allocate memory");
+      return -1;
+    }
+  prepare_colour_matrix(/*e,*/ pg, (unsigned char *)colour_matrix); 
+  if (not(fp = fopen(name, "w")))
+    {
+      free(colour_matrix);
+      export_error("cannot create file");
+      return -1;
+      }
+  png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, 
+				    NULL, NULL, NULL);
+  if (!png_ptr)
+    {
+      free(colour_matrix);
+      fclose(fp);
+      export_error("libpng init error");
+      return -1;
+    }
+  info_ptr = png_create_info_struct(png_ptr);
+  if (!info_ptr)
+    {
+      png_destroy_write_struct(&png_ptr,
+			       (png_infopp)NULL);
+      free(colour_matrix);
+      fclose(fp);
+      export_error("libpng init error");
+      return -1;
+    }
+  png_init_io(png_ptr, fp);
+  png_set_compression_level(png_ptr, D->compression);
+  png_set_compression_mem_level(png_ptr, 9);
+  png_set_compression_window_bits(png_ptr, 15);
+  png_set_IHDR(png_ptr, info_ptr, WW, WH,
+	       8, PNG_COLOR_TYPE_PALETTE , PNG_INTERLACE_NONE,
+	       PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
+  png_set_PLTE(png_ptr, info_ptr,(png_color*) rgb8 , 8);
+  png_write_info(png_ptr, info_ptr);
+  for(x=0; x<WH; x++)
+    { row_pointers[x]=colour_matrix+x*WW; }
+  png_write_image(png_ptr, row_pointers);
+  png_write_end(png_ptr, info_ptr);
+  png_destroy_write_struct(&png_ptr, &info_ptr);
+  free(colour_matrix);
+  fclose(fp);
+  return 0;
+}
+
+#endif
+