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Allow position as a fraction of resolution

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UEFI recommends y=.382 (1 - 1 / (golden ratio)), make this the default.
Fractional position starts with a decimal point: x=.5 y=.382
Pixel offset relative to the center is set as before: x=123 y=456
If the coordinates were omitted, old default was: x=0 y=0
This commit is contained in:
Lauri Kenttä
2026-03-28 21:51:13 +02:00
parent d40ce9f6c5
commit 683ee49110
4 changed files with 135 additions and 63 deletions
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44
src/config.h
View File

@@ -6,15 +6,47 @@
* Possible actions to perform on the BGRT.
*/
enum HackBGRT_action {
HackBGRT_KEEP = 0, HackBGRT_REPLACE, HackBGRT_REMOVE
HackBGRT_ACTION_KEEP = 0,
HackBGRT_ACTION_REPLACE,
HackBGRT_ACTION_REMOVE
};
/**
* Special values for the image coordinates.
* @see struct HackBGRT_config
*/
enum HackBGRT_coordinate {
HackBGRT_coord_keep = -1000001
enum HackBGRT_coordinate_mode {
HackBGRT_COORDINATE_MODE_KEEP = 0,
HackBGRT_COORDINATE_MODE_CENTERED,
HackBGRT_COORDINATE_MODE_FRACTION,
};
/**
* Constants for the fractional coordinates.
*/
enum HackBGRT_fraction {
HackBGRT_FRACTION_DIGITS = 4,
HackBGRT_FRACTION_ONE = 10000,
HackBGRT_FRACTION_HALF = 5000,
HackBGRT_FRACTION_381966011 = 3820,
};
/**
* Possible values for the orientation.
*/
enum HackBGRT_orientation {
HackBGRT_ORIENTATION_KEEP = -1,
};
/**
* The configuration for one image.
*/
struct HackBGRT_image_config {
enum HackBGRT_action action;
const CHAR16* path;
enum HackBGRT_coordinate_mode x_mode, y_mode;
int x, y;
int orientation;
};
/**
@@ -22,12 +54,8 @@ enum HackBGRT_coordinate {
*/
struct HackBGRT_config {
int debug, log;
enum HackBGRT_action action;
const CHAR16* image_path;
int image_x;
int image_y;
struct HackBGRT_image_config image;
int image_weight_sum;
int orientation;
int resolution_x;
int resolution_y;
int old_resolution_x;