1 files changed, 97 insertions, 0 deletions

diff --git a/apps/plugins/zxbox/zxvid_grey.c b/apps/plugins/zxbox/zxvid_grey.c
new file mode 100644
index 0000000000..8491e6bf18
--- /dev/null
+++ b/apps/plugins/zxbox/zxvid_grey.c
@@ -0,0 +1,97 @@
+#include "zxvid_com.h"
+#if !defined HAVE_LCD_COLOR && defined USE_GRAY
+/*
+use for slightly different colors
+#define N0 0x04
+#define N1 0x34
+
+#define B0 0x08
+#define B1 0x3F
+*/
+
+/* these ones are the same as for color targets ... may be tweak for greyscale? */
+#define N0 0x00
+#define N1 0xAA
+
+#define B0 0x55
+#define B1 0xFF
+static unsigned char graybuffer[LCD_HEIGHT*LCD_WIDTH] IBSS_ATTR; /* off screen buffer */
+
+struct rgb norm_colors[COLORNUM]={
+  {0,0,0},{N0,N0,N1},{N1,N0,N0},{N1,N0,N1},
+  {N0,N1,N0},{N0,N1,N1},{N1,N1,N0},{N1,N1,N1},
+
+  {0x15,0x15,0x15},{B0,B0,B1},{B1,B0,B0},{B1,B0,B1},
+  {B0,B1,B0},{B0,B1,B1},{B1,B1,B0},{B1,B1,B1}
+};
+
+void init_spect_scr(void)
+{
+    int i;
+    for(i = 0; i < 16; i++) 
+        sp_colors[i] = 0.3*norm_colors[i].r + 0.59*norm_colors[i].g + 0.11*norm_colors[i].b;
+    if ( settings.invert_colors ){
+        int i;
+        for ( i = 0 ; i < 16 ; i++ )
+            sp_colors[i] = 255 - sp_colors[i];
+    }
+
+    sp_image = (char *) &image_array;
+    spscr_init_mask_color();
+    spscr_init_line_pointers(HEIGHT);
+}
+
+
+void update_screen(void)
+{
+    char str[80];
+  
+    int y=0;
+    int x=0;
+    unsigned char* image;
+    int srcx, srcy=0;     /* x / y coordinates in source image */
+    image = sp_image + ( (Y_OFF)*(WIDTH) ) + X_OFF;
+    unsigned char* buf_ptr;
+    buf_ptr = (unsigned char*) &graybuffer;
+    for(y = 0; y < LCD_HEIGHT; y++)
+    {
+        srcx = 0;           /* reset our x counter before each row... */
+        for(x = 0; x < LCD_WIDTH; x++)
+        {
+            *buf_ptr=image[(srcx>>16)];
+            srcx += X_STEP;    /* move through source image */
+            buf_ptr++;
+        }
+        srcy += Y_STEP;      /* move through the source image... */
+        image += (srcy>>16)*WIDTH;   /* and possibly to the next row. */
+        srcy &= 0xffff;     /* set up the y-coordinate between 0 and 1 */
+    }
+
+#ifdef USE_BUFFERED_GRAY
+    gray_gray_bitmap(graybuffer, 0, 0, LCD_WIDTH, LCD_HEIGHT);
+#endif
+
+    if ( settings.showfps ) {
+        int percent=0;
+        int TPF = HZ/50;/* ticks per frame */
+        if ((*rb->current_tick-start_time) > TPF )
+            percent = 100*video_frames/((*rb->current_tick-start_time)/TPF);
+        rb->snprintf(str,sizeof(str),"%d %%",percent);
+#if defined USE_BUFFERED_GRAY
+        gray_putsxy(0,0,str);
+#else
+        LOGF(str);
+#endif
+
+    }
+
+
+#if defined USE_BUFFERED_GRAY
+    gray_update();
+#else
+    gray_ub_gray_bitmap(graybuffer, 0, 0, LCD_WIDTH, LCD_HEIGHT);
+#endif
+
+}
+
+#endif