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render: implement coordinate-based anchor positioning

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Not to be confused with Minecraft coordinates.

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ifdb90fc92a1565ba1d30b85c91d6e1ab6a6a6964
This commit is contained in:
raf 2026-04-15 11:54:30 +03:00
commit dadba853e8
Signed by: NotAShelf
GPG key ID: 29D95B64378DB4BF
4 changed files with 168 additions and 85 deletions
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8
include/chroma.h vendored
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@ -104,6 +104,8 @@ typedef struct {
chroma_scale_mode_t scale_mode;
chroma_filter_quality_t filter_quality;
chroma_anchor_t anchor;
float anchor_x; // custom X offset (0-100, 50=center)
float anchor_y; // custom Y offset (0-100, 50=center)
bool config_loaded;
// OpenGL resource cache
@ -123,6 +125,8 @@ typedef struct {
chroma_scale_mode_t scale_mode;
chroma_filter_quality_t filter_quality;
chroma_anchor_t anchor;
float anchor_x; // custom X offset (0-100, 50=center, 0=left, 100=right)
float anchor_y; // custom Y offset (0-100, 50=center, 0=top, 100=bottom)
} chroma_config_mapping_t;
// Application configuration
@ -136,6 +140,8 @@ typedef struct {
chroma_scale_mode_t default_scale_mode;
chroma_filter_quality_t default_filter_quality;
chroma_anchor_t default_anchor;
float default_anchor_x; // custom anchor X offset (0-100, 50=center)
float default_anchor_y; // custom anchor Y offset (0-100, 50=center)
// Image downsampling settings
bool enable_downsampling; // enable automatic downsampling
@ -248,7 +254,7 @@ const char *chroma_config_get_image_for_output(chroma_config_t *config,
int chroma_config_get_mapping_for_output(
chroma_config_t *config, const char *output_name,
chroma_scale_mode_t *scale_mode, chroma_filter_quality_t *filter_quality,
chroma_anchor_t *anchor);
chroma_anchor_t *anchor, float *anchor_x, float *anchor_y);
void chroma_config_print(const chroma_config_t *config);