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canavs blur: support LV_CANVAS_16_SWAP

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This commit is contained in:
Gabor Kiss-Vamosi 2019-11-06 14:37:03 +01:00
parent a4c456607b
commit 05ededf8f3
1 changed files with 41 additions and 5 deletions
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46
src/lv_objx/lv_canvas.c
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@ -434,7 +434,11 @@ void lv_canvas_blur_hor(lv_obj_t * canvas, uint16_t r)
if(has_alpha) opa = lv_img_buf_get_px_alpha(&line_img, x_safe, 0, false);
rsum += c.ch.red;
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP
gsum += (c.ch.green_h << 3) + c.ch.green_l;
#else
gsum += c.ch.green;
#endif
bsum += c.ch.blue;
if(has_alpha) asum += opa;
}
@ -446,9 +450,15 @@ void lv_canvas_blur_hor(lv_obj_t * canvas, uint16_t r)
if(asum) {
c.ch.red = rsum / r;
c.ch.green = gsum / r;
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP
uint8_t gtmp = gsum / r;
c.ch.green_h = gtmp >> 3;
c.ch.green_l = gtmp & 0x7;
#else
c.ch.green = gsum / r;
#endif
c.ch.blue = bsum / r;
opa = asum / r;
if(has_alpha) opa = asum / r;
lv_img_buf_set_px_color(&ext->dsc, x, y, c, false);
}
@ -460,9 +470,13 @@ void lv_canvas_blur_hor(lv_obj_t * canvas, uint16_t r)
if(has_alpha) opa = lv_img_buf_get_px_alpha(&line_img, x_safe, 0, false);
rsum -= c.ch.red;
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP
gsum -= (c.ch.green_h << 3) + c.ch.green_l;
#else
gsum -= c.ch.green;
#endif
bsum -= c.ch.blue;
asum -= opa;
if(has_alpha) asum -= opa;
x_safe = x + 1 + r_front;
x_safe = x_safe > ext->dsc.header.w - 1 ? ext->dsc.header.w - 1 : x_safe;
@ -470,7 +484,11 @@ void lv_canvas_blur_hor(lv_obj_t * canvas, uint16_t r)
if(has_alpha) opa = lv_img_buf_get_px_alpha(&line_img, x_safe, 0, false);
rsum += c.ch.red;
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP
gsum += (c.ch.green_h << 3) + c.ch.green_l;
#else
gsum += c.ch.green;
#endif
bsum += c.ch.blue;
if(has_alpha) asum += opa;
}
@ -530,7 +548,11 @@ void lv_canvas_blur_ver(lv_obj_t * canvas, uint16_t r)
if(has_alpha) lv_img_buf_set_px_alpha(&line_img, 0, y_safe, opa, false);
rsum += c.ch.red;
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP
gsum += (c.ch.green_h << 3) + c.ch.green_l;
#else
gsum += c.ch.green;
#endif
bsum += c.ch.blue;
if(has_alpha) asum += opa;
}
@ -541,7 +563,13 @@ void lv_canvas_blur_ver(lv_obj_t * canvas, uint16_t r)
for(y = 0; y < ext->dsc.header.h; y++) {
if(asum) {
c.ch.red = rsum / r;
c.ch.green = gsum / r;
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP
uint8_t gtmp = gsum / r;
c.ch.green_h = gtmp >> 3;
c.ch.green_l = gtmp & 0x7;
#else
c.ch.green = gsum / r;
#endif
c.ch.blue = bsum / r;
if(has_alpha) opa = asum / r;
@ -555,9 +583,13 @@ void lv_canvas_blur_ver(lv_obj_t * canvas, uint16_t r)
if(has_alpha) opa = lv_img_buf_get_px_alpha(&line_img, 0, y_safe, false);
rsum -= c.ch.red;
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP
gsum -= (c.ch.green_h << 3) + c.ch.green_l;
#else
gsum -= c.ch.green;
#endif
bsum -= c.ch.blue;
asum -= opa;
if(has_alpha) asum -= opa;
y_safe = y + 1 + r_front;
y_safe = y_safe > ext->dsc.header.h - 1 ? ext->dsc.header.h - 1 : y_safe;
@ -569,7 +601,11 @@ void lv_canvas_blur_ver(lv_obj_t * canvas, uint16_t r)
if(has_alpha) lv_img_buf_set_px_alpha(&line_img, 0, y_safe, opa, false);
rsum += c.ch.red;
#if LV_COLOR_DEPTH == 16 && LV_COLOR_16_SWAP
gsum += (c.ch.green_h << 3) + c.ch.green_l;
#else
gsum += c.ch.green;
#endif
bsum += c.ch.blue;
if(has_alpha) asum += opa;
}