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/lvgl-3.6.0/docs/widgets/core/
Dimg.md8 Using the [Image decoder interface](/overview/image.html#image-decoder) custom image formats can be…
11 …gle that uses the typical background style properties and the image itself using the image style p…
16 To provide maximum flexibility, the source of the image can be:
22 To set the source of an image, use `lv_img_set_src(img, src)`.
24 …om a PNG, JPG or BMP image, use the [Online image converter tool](https://lvgl.io/tools/imageconve…
27 To use external files, you also need to convert the image files using the online converter tool but…
29 To set an image sourced from a file, use `lv_img_set_src(img, "S:folder1/my_img.bin")`.
31 You can also set a symbol similarly to [Labels](/widgets/core/label). In this case, the image will …
33 ### Label as an image
49 … options can be selected in the image converter. To learn more about the color formats, read the […
[all …]
Dcanvas.md12 `LV_PART_MAIN` Uses the typical rectangle style properties and image style properties.
17 The Canvas needs a buffer in which stores the drawn image.
19 Where `buffer` is a static buffer (not just a local variable) to hold the image of the canvas.
25 See the full list in the [Color formats](/overview/image.html#color-formats) section.
55 …ble to draw a text to an `LV_IMG_VF_ALPHA_8BIT` canvas and use the result image as a [draw mask](/…
58 `lv_canvas_transform()` can be used to rotate and/or scale the image of an image and store the resu…
61 - `img pointer` to an image descriptor to transform. Can be the image descriptor of another canvas …
70 Note that a canvas can't be rotated on itself. You need a source and destination canvas or image.
/lvgl-3.6.0/docs/overview/
Dimage.md3 An image can be a file or a variable which stores the bitmap itself and some metadata.
18 - **data** pointer to an array where the image itself is stored
37 …he set opacity. The source image has to be an alpha channel. This is ideal for bitmaps similar to …
57 …-in color formats and an external [Image decoder](#image-decoder) needs to be used to decode the i…
58 - **LV_IMG_CF_RAW** Indicates a basic raw image (e.g. a PNG or JPG image).
59 - **LV_IMG_CF_RAW_ALPHA** Indicates that an image has alpha and an alpha byte is added for every pi…
60 - **LV_IMG_CF_RAW_CHROMA_KEYED** Indicates that an image is chroma-keyed as described in `LV_IMG_CF…
72 Adding an image to LVGL via the online converter is easy.
74 1. You need to select a *BMP*, *PNG* or *JPG* image first.
75 2. Give the image a name that will be used within LVGL.
[all …]
Ddisplay.md9 If the displays are different in this regard the rendered image can be converted to the correct for…
30 To mirror the image of a display to another display, you don't need to use multi-display support. J…
32 ### Split image
60 …f this is not the case (opacity < 100%) the display's background color or image will be visible.
83 Every display has a background color, background image and background opacity properties. They beco…
87 The display background image is a path to a file or a pointer to an `lv_img_dsc_t` variable (conver…
88 If a background image is configured the background won't be filled with `bg_color`.
90 The opacity of the background color or image can be adjusted with `lv_disp_set_bg_opa(disp, opa)`.
Dindex.md21 image
/lvgl-3.6.0/docs/libs/
Dpng.md6 …V_USE_PNG` LVGL will register a new image decoder automatically so PNG files can be directly used …
10 The whole PNG image is decoded so during decoding RAM equals to `image width x image height x 4` by…
12 …images LVGL's [images caching](https://docs.lvgl.io/master/overview/image.html#image-caching) feat…
Dbmp.md6 The pixels are read on demand (not the whole image is loaded) so using BMP images requires very lit…
8 …by `LV_USE_BMP` LVGL will register a new image decoder automatically so BMP files can be directly …
16 …s no practical differences between how the BMP files and LVGL's image format stores the image data.
17 …o store them in flash it's better to convert them to C array with [LVGL's image converter](https:/…
18 - The BMP files color format needs to match with `LV_COLOR_DEPTH`. Use GIMP to save the image in th…
21 - Because not the whole image is read in can not be zoomed or rotated.
Dgif.md25 - `LV_COLOR_DEPTH 8`: 3 x image width x image height
26 - `LV_COLOR_DEPTH 16`: 4 x image width x image height
27 - `LV_COLOR_DEPTH 32`: 5 x image width x image height
Dsjpg.md8 …- Decoding normal JPG consumes RAM with the size fo the whole uncompressed image (recommended only…
14 - By default the sjpg image cache will be image width * 2 * 16 bytes (can be modified)
15 - Currently only 16 bit image format is supported (TODO)
20 …V_USE_SJPG` LVGL will register a new image decoder automatically so JPG and SJPG files can be dire…
39 - Copy the image to convert into `lvgl/scripts`
41 - `python3 jpg_to_sjpg.py image_to_convert.jpg`. It creates both a C files and an SJPG image.
/lvgl-3.6.0/docs/others/
Dsnapshot.md3 Snapshot provides APIs to take snapshot image for LVGL object together with its children. The image
7 Simply call API `lv_snapshot_take` to generate the image descriptor which can be set as image objec…
19 …free the memory it takes. This will firstly free memory the image data takes, then the image descr…
22 … free the snapshot but not delete the image object. Before free the memory, be sure to firstly unl…
43 If snapshot is generated successfully, the image descriptor is updated and image data will be store…
Dimgfont.md2 Draw image in label or span obj with imgfont.
4 Supported image formats: determined by LVGL image decoder.
12 `path_cb` Used to get the image path of the specified unicode.
Dmsg.md18 …e user name, and `MSG_USER_AVATAR_CHANGED` a `const void *` image source with the new avatar image.
/lvgl-3.6.0/docs/widgets/extra/
Danimimg.md5 The animation image is similar to the normal 'Image' object. The only difference is that instead of…
11 …gle that uses the typical background style properties and the image itself using the image style p…
17 To set the image in a state, use the `lv_animimg_set_src(imgbtn, dsc[], num)`.
21 No special events are sent by image objects.
Dimgbtn.md7 You can set a left, right and center image, and the center image will be repeated to match the widt…
12 … `LV_PART_MAIN` Refers to the image(s). If background style properties are used, a rectangle will …
17 To set the image in a state, use the `lv_imgbtn_set_src(imgbtn, LV_IMGBTN_STATE_..., src_left, src_…
19 The image sources work the same as described in the [Image object](/widgets/core/img) except that "…
Dmeter.md9 - `LV_PART_INDICATOR` The needle line or image using the *line* and *img* style properties, as well…
41 #### Needle image
43 `indic = lv_meter_add_needle_img(meter, scale, img_src, pivot_x, pivot_y)` sets an image that will …
44 …x` and `pivot_y` sets the pivot point of the rotation relative to the top left corner of the image.
/lvgl-3.6.0/src/extra/libs/png/
Dlodepng.h181 const unsigned char* image, unsigned w, unsigned h,
186 const unsigned char* image, unsigned w, unsigned h);
190 const unsigned char* image, unsigned w, unsigned h);
199 const unsigned char* image, unsigned w, unsigned h,
204 const unsigned char* image, unsigned w, unsigned h);
208 const unsigned char* image, unsigned w, unsigned h);
727 const unsigned char* image, unsigned w, unsigned h,
822 const unsigned char* image, unsigned w, unsigned h,
/lvgl-3.6.0/examples/libs/sjpg/
Dindex.rst1 Load an SJPG image
/lvgl-3.6.0/examples/libs/bmp/
Dindex.rst1 Open a BMP image from file
/lvgl-3.6.0/examples/libs/gif/
Dindex.rst1 Open a GIF image from file and variable
/lvgl-3.6.0/examples/libs/png/
Dindex.rst1 Open a PNG image from file and variable
/lvgl-3.6.0/examples/libs/ffmpeg/
Dindex.rst1 Decode image
/lvgl-3.6.0/tests/
DREADME.md46 …T("image1.png")` Render the active screen and compare its content with an image in the `ref_imgs` …
47 …e fails `lvgl/test_screenshot_error.h` is created with the content of the frame buffer as an image.
48 To see the that image `#include "test_screenshot_error.h"` and call `test_screenshot_error_show();`.
/lvgl-3.6.0/examples/widgets/animimg/
Dindex.rst7 :description: A simple example to demonstrate the use of an animation image.
/lvgl-3.6.0/docs/porting/
Dgpu.md15 - `void (*draw_img_decoded)()` Draw an (A)RGB image that is already decoded by LVGL.
16 - `lv_res_t (*draw_img)()` Draw an image before decoding it (it bypasses LVGL's internal image deco…
53 /** Blend a color or image to an area*/
67 All draw operations end up in the `blend` callback which can either fill an area or copy an image t…
70 …inates to draw on `draw_ctx->buf`. If `src_buf` is set, it's the coordinates of the image to blend.
71 - `const lv_color_t * src_buf` Pointer to an image to blend. If set, `color` is ignored. If not set…
/lvgl-3.6.0/docs/get-started/platforms/
Dnxp.md45 - First step is to recolor/rotate the image to a temporary buffer (statically allocated)
50 PXP is set to process 16x16 blocks to optimize the system for memory bandwidth and image processing…
52 When rotating a source image and the output is not divisible by the block size, the incorrect pixel…
53 and the final output image can look shifted.
131 - Blit rectangle background image
138 - Source image alignment:

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