i80_controller sample
lv_draw_buf_t::header
is only used within i80_controller sample.
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ESP-IDF Framework and Examples
i80_controller sample
lv_draw_buf_t::header
lv_draw_buf_t::header field
Syntax
Show:
Summary
Declaration
from
lv_draw_buf.h:89
lv_image_header_t
header
;
Examples
References
from
examples
Code
Location
Referrer
lv_image_header_t
header
;
lv_draw_buf.h:89
if
(
decoded
->
header
.
stride
==
0
)
{
lv_bin_decoder.c:309
lv_bin_decoder_open()
decoded
->
header
.
stride
=
dsc
->
header
.
stride
;
lv_bin_decoder.c:311
lv_bin_decoder_open()
uint32_t
len
=
decoded
->
header
.
stride
;
lv_bin_decoder.c:491
lv_bin_decoder_get_area()
lv_color_format_
c
draw_bu
f-
>heade
r
.c
f
lv_canvas.c:114
lv_canvas_set_px()
lv_image_header_
heade
&canva
s-
>draw_bu
f-
>heade
r
lv_canvas.c:210
lv_canvas_get_px()
LV_ASSERT_MS
G
(canva
s-
>draw_bu
f-
>heade
r
.c
=
dest_bu
f-
>heade
r
.c
f
"Color formats must be the same
"
)
lv_canvas.c:287
lv_canvas_copy_buf()
lv_image_header_
heade
&draw_bu
f-
>heade
r
lv_canvas.c:300
lv_canvas_fill_bg()
lv_image_header_
heade
&canva
s-
>draw_bu
f-
>heade
r
lv_canvas.c:377
lv_canvas_init_layer()
if
(
disp
->
buf_1
)
disp
->
buf_1
->
header
.
cf
=
color_format
;
lv_display.c:477
lv_display_set_color_format()
if
(
disp
->
buf_2
)
disp
->
buf_2
->
header
.
cf
=
color_format
;
lv_display.c:478
lv_display_set_color_format()
uint32_t
layer_size_byte
=
h
*
layer_drawn
->
draw_buf
->
header
.
stride
;
lv_draw.c:214
lv_draw_dispatch_layer()
const
lv_image_header_t
*
header
=
&
draw_buf
->
header
;
lv_draw_buf.c:161
lv_draw_buf_clear()
a_draw_buf
.
x2
=
draw_buf
->
header
.
w
-
1
;
lv_draw_buf.c:173
lv_draw_buf_clear()
a_draw_buf
.
y2
=
draw_buf
->
header
.
h
-
1
;
lv_draw_buf.c:174
lv_draw_buf_clear()
LV_ASSERT_FORMAT_MSG
(
dest
->
header
.
cf
==
src
->
header
.
cf
,
"Color format mismatch: %d != %d"
,
lv_draw_buf.c:199
lv_draw_buf_copy()
if
(
dest_area
==
NULL
)
line_width
=
dest
->
header
.
w
;
lv_draw_buf.c:202
lv_draw_buf_copy()
if
(
LV_COLOR_FORMAT_IS_INDEXED
(
dest
->
header
.
cf
)
)
{
lv_draw_buf.c:207
lv_draw_buf_copy()
lv_memcpy
(
dest
->
data
,
src
->
data
,
LV_COLOR_INDEXED_PALETTE_SIZE
(
dest
->
header
.
cf
)
*
sizeof
(
lv_color32_t
)
)
;
lv_draw_buf.c:208
lv_draw_buf_copy()
if
(
(
src_area
==
NULL
&&
line_width
!=
src
->
header
.
w
)
||
\
lv_draw_buf.c:213
lv_draw_buf_copy()
end_y
=
dest
->
header
.
h
-
1
;
lv_draw_buf.c:232
lv_draw_buf_copy()
uint32_t
dest_stride
=
dest
->
header
.
stride
;
lv_draw_buf.c:235
lv_draw_buf_copy()
uint32_t
src_stride
=
src
->
header
.
stride
;
lv_draw_buf.c:236
lv_draw_buf_copy()
uint32_t
line_bytes
=
(
line_width
*
lv_color_format_get_bpp
(
dest
->
header
.
cf
)
+
7
)
>
>
3
;
lv_draw_buf.c:237
lv_draw_buf_copy()
lv_image_header_t
*
header
=
&
draw_buf
->
header
;
lv_draw_buf.c:260
lv_draw_buf_init()
draw_buf
->
header
.
w
=
w
;
lv_draw_buf.c:302
lv_draw_buf_create_ex()
draw_buf
->
header
.
h
=
h
;
lv_draw_buf.c:303
lv_draw_buf_create_ex()
draw_buf
->
header
.
cf
=
cf
;
lv_draw_buf.c:304
lv_draw_buf_create_ex()
draw_buf
->
header
.
flags
=
LV_IMAGE_FLAGS_MODIFIABLE
|
LV_IMAGE_FLAGS_ALLOCATED
;
lv_draw_buf.c:305
lv_draw_buf_create_ex()
draw_buf
->
header
.
stride
=
stride
;
lv_draw_buf.c:306
lv_draw_buf_create_ex()
draw_buf
->
header
.
magic
=
LV_IMAGE_HEADER_MAGIC
;
lv_draw_buf.c:307
lv_draw_buf_create_ex()
const
lv_image_header_t
*
header
=
&
draw_buf
->
header
;
lv_draw_buf.c:322
lv_draw_buf_dup_ex()
new_buf
->
header
.
flags
=
draw_buf
->
header
.
flags
;
lv_draw_buf.c:326
lv_draw_buf_dup_ex()
new_buf
->
header
.
flags
|=
LV_IMAGE_FLAGS_MODIFIABLE
|
LV_IMAGE_FLAGS_ALLOCATED
;
lv_draw_buf.c:327
lv_draw_buf_dup_ex()
if
(
cf
==
LV_COLOR_FORMAT_UNKNOWN
)
cf
=
draw_buf
->
header
.
cf
;
lv_draw_buf.c:343
lv_draw_buf_reshape()
draw_buf
->
header
.
cf
=
cf
;
lv_draw_buf.c:353
lv_draw_buf_reshape()
draw_buf
->
header
.
w
=
w
;
lv_draw_buf.c:354
lv_draw_buf_reshape()
draw_buf
->
header
.
h
=
h
;
lv_draw_buf.c:355
lv_draw_buf_reshape()
draw_buf
->
header
.
stride
=
stride
;
lv_draw_buf.c:356
lv_draw_buf_reshape()
if
(
draw_buf
->
header
.
flags
&
LV_IMAGE_FLAGS_ALLOCATED
)
{
lv_draw_buf.c:366
lv_draw_buf_destroy()
data
+=
LV_COLOR_INDEXED_PALETTE_SIZE
(
buf
->
header
.
cf
)
*
sizeof
(
lv_color32_t
)
;
lv_draw_buf.c:386
lv_draw_buf_goto_xy()
data
+=
buf
->
header
.
stride
*
y
;
lv_draw_buf.c:387
lv_draw_buf_goto_xy()
return
data
+
x
*
lv_color_format_get_bpp
(
buf
->
header
.
cf
)
/
8
;
lv_draw_buf.c:391
lv_draw_buf_goto_xy()
const
lv_image_header_t
*
header
=
&
src
->
header
;
lv_draw_buf.c:401
lv_draw_buf_adjust_stride()
src
->
header
.
stride
=
stride
;
lv_draw_buf.c:452
lv_draw_buf_adjust_stride()
if
(
draw_buf
->
header
.
flags
&
LV_IMAGE_FLAGS_PREMULTIPLIED
)
return
LV_RESULT_INVALID
;
lv_draw_buf.c:462
lv_draw_buf_premultiply()
if
(
(
draw_buf
->
header
.
flags
&
LV_IMAGE_FLAGS_MODIFIABLE
)
==
0
)
{
lv_draw_buf.c:463
lv_draw_buf_premultiply()
lv_color_format_t
cf
=
draw_buf
->
header
.
cf
;
lv_draw_buf.c:469
lv_draw_buf_premultiply()
uint32_t
h
=
draw_buf
->
header
.
h
;
lv_draw_buf.c:478
lv_draw_buf_premultiply()
uint32_t
w
=
draw_buf
->
header
.
w
;
lv_draw_buf.c:479
lv_draw_buf_premultiply()
uint32_t
stride
=
draw_buf
->
header
.
stride
;
lv_draw_buf.c:480
lv_draw_buf_premultiply()
uint32_t
h
=
draw_buf
->
header
.
h
;
lv_draw_buf.c:492
lv_draw_buf_premultiply()
uint32_t
w
=
draw_buf
->
header
.
w
;
lv_draw_buf.c:493
lv_draw_buf_premultiply()
uint32_t
stride
=
draw_buf
->
header
.
stride
;
lv_draw_buf.c:494
lv_draw_buf_premultiply()
uint32_t
h
=
draw_buf
->
header
.
h
;
lv_draw_buf.c:509
lv_draw_buf_premultiply()
uint32_t
w
=
draw_buf
->
header
.
w
;
lv_draw_buf.c:510
lv_draw_buf_premultiply()
uint32_t
stride
=
draw_buf
->
header
.
stride
;
lv_draw_buf.c:511
lv_draw_buf_premultiply()
draw_buf
->
header
.
flags
|=
LV_IMAGE_FLAGS_PREMULTIPLIED
;
lv_draw_buf.c:530
lv_draw_buf_premultiply()
if
(
!
LV_COLOR_FORMAT_IS_INDEXED
(
draw_buf
->
header
.
cf
)
)
{
lv_draw_buf.c:540
lv_draw_buf_set_palette()
return
draw_buf
->
header
.
flags
&
flag
;
lv_draw_buf.c:551
lv_draw_buf_has_flag()
draw_buf
->
header
.
flags
|=
flag
;
lv_draw_buf.c:556
lv_draw_buf_set_flag()
draw_buf
->
header
.
flags
&=
~
flag
;
lv_draw_buf.c:561
lv_draw_buf_clear_flag()
buf
->
header
.
flags
=
img
->
header
.
flags
;
lv_draw_buf.c:568
lv_draw_buf_from_image()
const
lv_image_header_t
*
header
=
&
draw_buf
->
header
;
lv_draw_buf.c:667
draw_buf_get_full_area()
draw_buf
->
header
.
h
=
g
.
box_h
;
lv_draw_label.c:427
draw_letter()
img_area
.
x2
=
decoder_dsc
.
decoded
->
header
.
w
-
1
;
lv_draw_sw_arc.c:140
lv_draw_sw_arc()
img_area
.
y2
=
decoder_dsc
.
decoded
->
header
.
h
-
1
;
lv_draw_sw_arc.c:141
lv_draw_sw_arc()
int32_t
ofs
=
decoder_dsc
.
decoded
->
header
.
w
/
2
;
lv_draw_sw_arc.c:142
lv_draw_sw_arc()
blend_dsc
.
src_stride
=
decoder_dsc
.
decoded
->
header
.
stride
;
lv_draw_sw_arc.c:146
lv_draw_sw_arc()
blend_dsc
.
src_color_format
=
decoder_dsc
.
decoded
->
header
.
cf
;
lv_draw_sw_arc.c:147
lv_draw_sw_arc()
uint32_
layer_stride_byt
laye
r-
>draw_bu
f-
>heade
r
.strid
e
lv_draw_sw_blend.c:67
lv_draw_sw_blend()
cons
lv_image_header_
heade
&decode
d-
>heade
r
lv_draw_sw_img.c:192
img_draw_core()
uint32_
img_strid
decode
d-
>heade
r
.strid
e
lv_draw_sw_img.c:193
img_draw_core()
lv_color_format_
c
decode
d-
>heade
r
.c
f
lv_draw_sw_img.c:194
img_draw_core()
i
f
(mask_decoder_ds
c
.decode
d-
>heade
r
.c
=
LV_COLOR_FORMAT_A
|
lv_draw_sw_img.c:248
img_draw_core()
mask_decoder_ds
c
.decode
d-
>heade
r
.c
=
LV_COLOR_FORMAT_L
8
lv_draw_sw_img.c:249
img_draw_core()
blend_ds
c
.mask_strid
mask_im
g-
>heade
r
.strid
e
lv_draw_sw_img.c:252
img_draw_core()
lv_area_se
t
(
&mask_are
a
0
0
mask_im
g-
>heade
r
.
1
mask_im
g-
>heade
r
.
1
)
lv_draw_sw_img.c:257
img_draw_core()
blend_dsc
.
mask_stride
=
draw_buf
->
header
.
stride
;
lv_draw_sw_letter.c:97
draw_letter_cb()
LV_DRAW_BUF_DEFINE_STATIC
(
draw_buf_16bpp
,
CANVAS_WIDTH
,
CANVAS_HEIGHT
,
LV_COLOR_FORMAT_RGB565
)
;
lv_example_canvas_1.c:30
lv_example_canvas_1()
LV_DRAW_BUF_INIT_STATIC
(
draw_buf_16bpp
)
;
lv_example_canvas_1.c:31
lv_example_canvas_1()
LV_DRAW_BUF_DEFINE_STATIC
(
draw_buf_32bpp
,
CANVAS_WIDTH
,
CANVAS_HEIGHT
,
LV_COLOR_FORMAT_ARGB8888
)
;
lv_example_canvas_1.c:51
lv_example_canvas_1()
LV_DRAW_BUF_INIT_STATIC
(
draw_buf_32bpp
)
;
lv_example_canvas_1.c:52
lv_example_canvas_1()
LV_DRAW_BUF_DEFINE_STATIC
(
draw_buf
,
CANVAS_WIDTH
,
CANVAS_HEIGHT
,
LV_COLOR_FORMAT_ARGB8888
)
;
lv_example_canvas_2.c:15
lv_example_canvas_2()
LV_DRAW_BUF_INIT_STATIC
(
draw_buf
)
;
lv_example_canvas_2.c:16
lv_example_canvas_2()
LV_DRAW_BUF_DEFINE_STATIC
(
draw_buf
,
CANVAS_WIDTH
,
CANVAS_HEIGHT
,
LV_COLOR_FORMAT_ARGB8888
)
;
lv_example_canvas_3.c:13
lv_example_canvas_3()
LV_DRAW_BUF_INIT_STATIC
(
draw_buf
)
;
lv_example_canvas_3.c:14
lv_example_canvas_3()
LV_DRAW_BUF_DEFINE_STATIC
(
draw_buf
,
CANVAS_WIDTH
,
CANVAS_HEIGHT
,
LV_COLOR_FORMAT_ARGB8888
)
;
lv_example_canvas_5.c:13
lv_example_canvas_5()
LV_DRAW_BUF_INIT_STATIC
(
draw_buf
)
;
lv_example_canvas_5.c:14
lv_example_canvas_5()
LV_DRAW_BUF_DEFINE_STATIC
(
draw_buf
,
CANVAS_WIDTH
,
CANVAS_HEIGHT
,
LV_COLOR_FORMAT_ARGB8888
)
;
lv_example_canvas_7.c:13
lv_example_canvas_7()
LV_DRAW_BUF_INIT_STATIC
(
draw_buf
)
;
lv_example_canvas_7.c:14
lv_example_canvas_7()
lv_area_t
a
=
{
0
,
0
,
mask
->
header
.
w
-
1
,
mask
->
header
.
h
/
2
-
10
}
;
lv_example_roller_3.c:23
generate_mask()
a
.
y1
=
mask
->
header
.
h
/
2
+
10
;
lv_example_roller_3.c:26
generate_mask()
a
.
y2
=
mask
->
header
.
h
-
1
;
lv_example_roller_3.c:27
generate_mask()
LV_DRAW_BUF_DEFINE_STATIC
(
mask
,
130
,
150
,
LV_COLOR_FORMAT_L8
)
;
lv_example_roller_3.c:76
lv_example_roller_3()
LV_DRAW_BUF_INIT_STATIC
(
mask
)
;
lv_example_roller_3.c:77
lv_example_roller_3()
if
(
args
->
stride_align
&&
decoded
->
header
.
cf
!=
LV_COLOR_FORMAT_RGB565A8
)
{
lv_image_decoder.c:245
lv_image_decoder_post_process()
uint32_t
stride_expect
=
lv_draw_buf_width_to_stride
(
decoded
->
header
.
w
,
decoded
->
header
.
cf
)
;
lv_image_decoder.c:246
lv_image_decoder_post_process()
if
(
decoded
->
header
.
stride
!=
stride_expect
)
{
lv_image_decoder.c:247
lv_image_decoder_post_process()
lv_draw_buf_t
*
aligned
=
lv_draw_buf_create_ex
(
image_cache_draw_buf_handlers
,
decoded
->
header
.
w
,
decoded
->
header
.
h
,
lv_image_decoder.c:251
lv_image_decoder_post_process()
decoded
->
header
.
cf
,
stride_expect
)
;
lv_image_decoder.c:252
lv_image_decoder_post_process()
&&
!
LV_COLOR_FORMAT_IS_ALPHA_ONLY
(
decoded
->
header
.
cf
)
lv_image_decoder.c:266
lv_image_decoder_post_process()
&&
lv_color_format_has_alpha
(
decoded
->
header
.
cf
)
lv_image_decoder.c:267
lv_image_decoder_post_process()
layer_reshape_draw_buf
(
layer
,
layer
->
draw_buf
->
header
.
stride
)
;
lv_refr.c:637
refr_area()
layer_reshape_draw_buf
(
layer
,
layer
->
draw_buf
->
header
.
stride
)
;
lv_refr.c:644
refr_area()
res
=
lv_fs_write
(
&
file
,
&
draw_buf
->
header
,
sizeof
(
draw_buf
->
header
)
,
&
bw
)
;
lv_utils.c:74
lv_draw_buf_save_to_file()
if
(
res
!=
LV_FS_RES_OK
||
bw
!=
sizeof
(
draw_buf
->
header
)
)
{
lv_utils.c:75
lv_draw_buf_save_to_file()
Call Tree
from
examples
All items filtered out
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Data Use
from
examples
lv_draw_buf_t::header
is read by 29 functions:
All items filtered out
lv_draw_buf_t::header
refr_area()
lv_display_set_color_format()
lv_draw_dispatch_layer()
lv_draw_buf_clear()
lv_draw_buf_copy()
lv_draw_buf_create_ex()
lv_draw_buf_dup_ex()
lv_draw_buf_reshape()
lv_draw_buf_destroy()
lv_draw_buf_goto_xy()
lv_draw_buf_adjust_stride()
lv_draw_buf_premultiply()
lv_draw_buf_set_palette()
lv_draw_buf_has_flag()
lv_draw_buf_set_flag()
lv_draw_buf_clear_flag()
lv_draw_buf_from_image()
draw_letter()
lv_image_decoder_post_process()
lv_draw_sw_blend()
lv_draw_sw_arc()
img_draw_core()
draw_letter_cb()
lv_bin_decoder_open()
lv_bin_decoder_get_area()
lv_draw_buf_save_to_file()
lv_canvas_set_px()
lv_canvas_copy_buf()
generate_mask()
All items filtered out
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from
examples
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Override Tree
from
examples
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from
examples
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Instances
from
examples
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from
examples
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