+#include <string.h>
#include "gfxutil.h"
#include "demo.h"
int i, dx, dy, x_inc, y_inc, error;
unsigned short *fb = fb_pixels;
- fb += y0 * fb_width + x0;
+ fb += y0 * FB_WIDTH + x0;
dx = x1 - x0;
dy = y1 - y0;
dx = -dx;
}
if(dy >= 0) {
- y_inc = fb_width;
+ y_inc = FB_WIDTH;
} else {
- y_inc = -fb_width;
+ y_inc = -FB_WIDTH;
dy = -dy;
}
int sum = sptr[0] * (rad + 1); \
int count = (rad * 2 + 1) << 8; \
int midsize = w - rad * 2; \
+ int firstpix = sptr[0]; \
int lastpix = sptr[pstep * (w - 1)]; \
/* add up the contributions for the -1 pixel */ \
for(j=0; j<rad; j++) { \
sum += sptr[pstep * j]; \
} \
/* first part adding sptr[rad] and subtracting sptr[0] */ \
- for(j=0; j<rad + 1; j++) { \
- sum += (int)sptr[pstep * rad] - (int)sptr[0]; \
+ for(j=0; j<=rad; j++) { \
+ sum += (int)sptr[pstep * rad] - firstpix; \
sptr += pstep; \
*dptr = scale * sum / count; \
dptr += pstep; \
} \
/* middle part adding sptr[rad] and subtracting sptr[-(rad+1)] */ \
- for(j=0; j<midsize - 1; j++) { \
+ for(j=1; j<midsize; j++) { \
sum += (int)sptr[pstep * rad] - (int)sptr[-(rad + 1) * pstep]; \
sptr += pstep; \
*dptr = scale * sum / count; \
BLUR(ysz, xsz, pixel_step, scanline_step);
}
+
+void convimg_rgb24_rgb16(uint16_t *dest, unsigned char *src, int xsz, int ysz)
+{
+ int i;
+ int npixels = xsz * ysz;
+
+ for(i=0; i<npixels; i++) {
+ int r = *src++;
+ int g = *src++;
+ int b = *src++;
+ *dest++ = PACK_RGB16(r, g, b);
+ }
+}
+
+void blitfb(uint16_t *dest, uint16_t *src, int width, int height, int pitch_pix)
+{
+ int i;
+ for(i=0; i<height; i++) {
+ memcpy(dest, src, width * 2);
+ dest += 320;
+ src += pitch_pix;
+ }
+}
+
+void blitfb_key(uint16_t *dest, uint16_t *src, int width, int height, int pitch_pix, uint16_t key)
+{
+ int i, j, dadv = 320 - width;
+
+ for(i=0; i<height; i++) {
+ for(j=0; j<width; j++) {
+ uint16_t scol = *src++;
+ if(scol != key) *dest = scol;
+ dest++;
+ }
+ dest += dadv;
+ }
+
+}