laforge has submitted this change. (
https://gerrit.osmocom.org/c/osmocom-bb/+/19483 )
Change subject: firmware/fb: Implemtented fb_bw8_line and fb_set_p(uint16_t
x,uint16_t y)
..
firmware/fb: Implemtented fb_bw8_line and fb_set_p(uint16_t x,uint16_t y)
Change-Id: Id8856ace2a31ba4ebcd04746e0c96c23a679cc40
---
M src/target/firmware/fb/fb_bw8.c
M src/target/firmware/fb/fb_st7558.c
M src/target/firmware/include/fb/fb_bw8.h
M src/target/firmware/include/fb/framebuffer.h
4 files changed, 60 insertions(+), 19 deletions(-)
Approvals:
Jenkins Builder: Verified
laforge: Looks good to me, approved
diff --git a/src/target/firmware/fb/fb_bw8.c b/src/target/firmware/fb/fb_bw8.c
index ffb59d8..0fc12ee 100644
--- a/src/target/firmware/fb/fb_bw8.c
+++ b/src/target/firmware/fb/fb_bw8.c
@@ -22,6 +22,7 @@
*
*/
+#include
#include
#include
@@ -51,7 +52,7 @@
uint16_t x2,uint16_t y2 /* right lower corner (inclusive) */
){
fb_sanitize_box(,,,);
-
+
x2++; /* see definition of fb_bw8->damage_x2/y2 */
y2++;
@@ -86,17 +87,6 @@
#endif
}
-static void fb_bw8_line(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2){
- fb_sanitize_box(,,,);
- /* FIXME : this is currently unimplemented! */
-}
-
-void fb_bw8_lineto(uint16_t x,uint16_t y){
- fb_bw8_line(framebuffer->cursor_x,framebuffer->cursor_y,x,y);
- framebuffer->cursor_x = x;
- framebuffer->cursor_y = y;
-}
-
/* depending on color set (add to or_mask) or clear
(remove from and_mask) bit number bitnum */
static void set_pixel(uint8_t *and_mask,
@@ -166,13 +156,56 @@
framebuffer->cursor_y = y;
}
+/* Just set the given pixel to the current front ground color.
+ * This function does not update the damage rectangle! */
+void fb_bw8_set_pixel(uint16_t x,uint16_t y){
+ uint8_t *p = fb_bw8->mem + (y/8)*framebuffer->width + x;
+ uint8_t and_mask = 0xff, or_mask = 0x00;
+ set_fg_pixel(_mask, _mask, y % 8);
+ *p = (*p & and_mask)|or_mask;
+ /* printf("fb_bw8_set_pixel: set: (%u|%u)\n", x, y); */
+}
+
+/* Copy Paste from
+ * http://de.wikipedia.org/wiki/Bresenham-Algorithmus#Kompakte_Variante */
+static void fb_bw8_line(int16_t x1,int16_t y1,int16_t x2,int16_t y2){
+ fb_limit_fb_range(, );
+ fb_limit_fb_range(, );
+ fb_bw8_update_damage(x1,y1,x2,y2);
+ /* printf("fb_bw8_line from (%u|%u) -> (%u|%u)\n", x1, y1, x2, y2); */
+ int16_t dx = abs(x2-x1), dy = -abs(y2-y1);
+ int16_t sx = x1 dy) { err += dy; x1 += sx; } /* e_xy+e_x > 0 */
+ if (e2 < dx) { err += dx; y1 += sy; } /* e_xy+e_y < 0 */
+ }
+}
+
+/* Set the given pixel to the current front ground color and update the damage
+ * rectangle. */
+void fb_bw8_set_p(uint16_t x,uint16_t y){
+ fb_bw8_update_damage(x,y,x+1,y+1);
+ fb_bw8_set_pixel(x,y);
+}
+
+void fb_bw8_lineto(uint16_t x,uint16_t y){
+ fb_bw8_line(framebuffer->cursor_x,framebuffer->cursor_y,x,y);
+ framebuffer->cursor_x = x;
+ framebuffer->cursor_y = y;
+}
+
+
/* this is the most ridiculous function ever, because it has to
fiddle with two braindead bitmaps at once, both being
organized differently */
/* draw text at current position, with current font and colours up
to a width of maxwidth pixels, return pixelwidth consumed */
-
int
fb_bw8_putstr(char *str,int maxwidth){
const struct fb_font *font = fb_fonts[framebuffer->font];
@@ -187,7 +220,7 @@
int bitmap_offs,bitmap_bit; // offset inside bitmap, bit number of
pixel
int fb8_offs; // offset to current pixel in
framebuffer
uint8_t and_mask,or_mask; // to draw on framebuffer
- uint8_t *p; // pointer into framebuffer memorya
+ uint8_t *p; // pointer into framebuffer memory
int total_w;// total width
/* center, if maxwidth < 0 */
@@ -251,7 +284,7 @@
bitmap_y = fchr->bbox_h -
(char_y - fchr->bbox_y) - 1;
- fb8_offs = framebuffer->cursor_x +
+ fb8_offs = framebuffer->cursor_x +
char_x + (y/8)*framebuffer->width;
and_mask = 0xff;
diff --git a/src/target/firmware/fb/fb_st7558.c
b/src/target/firmware/fb/fb_st7558.c
index fdcd38f..f09b12b 100644
--- a/src/target/firmware/fb/fb_st7558.c
+++ b/src/target/firmware/fb/fb_st7558.c
@@ -118,6 +118,7 @@
.clear = fb_bw8_clear,
.boxto = fb_bw8_boxto,
.lineto = fb_bw8_lineto,
+ .set_p = fb_bw8_set_p,
.putstr = fb_bw8_putstr,
.flush = fb_st7558_flush,
.width = ST7558_WIDTH,
diff --git a/src/target/firmware/include/fb/fb_bw8.h
b/src/target/firmware/include/fb/fb_bw8.h
index d84f91a..db0b31a 100644
---