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video: truetype: Support a limit on the width of a line

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Expo needs to be able to word-wrap lines so that they are displayed as
the user expects. Add a limit on the width of each line and support this
in the measurement algorithm.

Add a log category to truetype while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2025-04-02 06:29:39 +13:00
committed by Tom Rini
parent 030e53aaaa
commit cdd095e48a
5 changed files with 100 additions and 17 deletions
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10
include/video_console.h
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@@ -250,6 +250,7 @@ struct vidconsole_ops {
* @name: Font name to use (NULL to use default)
* @size: Font size to use (0 to use default)
* @text: Text to measure
* @limit: Width limit for each line, or -1 if none
* @bbox: Returns bounding box of text, assuming it is positioned
* at 0,0
* @lines: If non-NULL, this must be an alist of
@@ -259,8 +260,8 @@ struct vidconsole_ops {
* Returns: 0 on success, -ENOENT if no such font
*/
int (*measure)(struct udevice *dev, const char *name, uint size,
const char *text, struct vidconsole_bbox *bbox,
struct alist *lines);
const char *text, int limit,
struct vidconsole_bbox *bbox, struct alist *lines);
/**
* nominal() - Measure the expected width of a line of text
@@ -350,6 +351,7 @@ int vidconsole_select_font(struct udevice *dev, const char *name, uint size);
* @name: Font name to use (NULL to use default)
* @size: Font size to use (0 to use default)
* @text: Text to measure
* @limit: Width limit for each line, or -1 if none
* @bbox: Returns bounding box of text, assuming it is positioned
* at 0,0
* @lines: If non-NULL, this must be an alist of
@@ -359,8 +361,8 @@ int vidconsole_select_font(struct udevice *dev, const char *name, uint size);
* Returns: 0 on success, -ENOENT if no such font
*/
int vidconsole_measure(struct udevice *dev, const char *name, uint size,
const char *text, struct vidconsole_bbox *bbox,
struct alist *lines);
const char *text, int limit,
struct vidconsole_bbox *bbox, struct alist *lines);
/**
* vidconsole_nominal() - Measure the expected width of a line of text
*