From: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date: Wed, 23 Feb 2022 15:49:33 +0000 (+0100)
Subject: implement vkvg_text_run_get_glyph_positions
X-Git-Url: https://git.osiis.dedyn.io/?a=commitdiff_plain;h=c2925b2c779bf748256b85c61966a722becf2985;p=jp%2Fvkvg.git

implement vkvg_text_run_get_glyph_positions
---

diff --git a/include/vkvg.h b/include/vkvg.h
index a068976..2c57513 100644
--- a/include/vkvg.h
+++ b/include/vkvg.h
@@ -316,6 +316,13 @@ typedef struct _vkvg_device_t*	VkvgDevice;
  * configurable parameters such as the wrap mode, the filtering, etc...
  */
 typedef struct _vkvg_pattern_t* VkvgPattern;
+/**
+ * @brief Opaque pointer on a Vkvg glyph info structure.
+ * @ingroup context
+ *
+ * glyph info contains glyph positions in a text run.
+ */
+typedef struct vkvg_glyph_info_t* VkvgGlyphInfo;
 
 #if VKVG_DBG_STATS
 /**
@@ -1584,6 +1591,15 @@ void vkvg_show_text_run (VkvgContext ctx, VkvgText textRun);
  */
 vkvg_public
 void vkvg_text_run_get_extents (VkvgText textRun, vkvg_text_extents_t* extents);
+/**
+ * @brief retrieve glyph positions.
+ *
+ * @param textRun
+ * @param pGlyphPositions
+ * @param pGlyphCount
+ */
+vkvg_public
+void vkvg_text_run_get_glyph_positions (VkvgText textRun, VkvgGlyphInfo* pGlyphPositions, uint32_t* pGlyphCount);
 /** @}*/
 
 /**
diff --git a/src/vkvg_context.c b/src/vkvg_context.c
index a1e5f08..eef9be8 100644
--- a/src/vkvg_context.c
+++ b/src/vkvg_context.c
@@ -1167,6 +1167,10 @@ VkvgText vkvg_text_run_create_with_length (VkvgContext ctx, const char* text, ui
 	_font_cache_create_text_run(ctx, text, length, tr);
 	return tr;
 }
+void vkvg_text_run_get_glyph_positions (VkvgText textRun, VkvgGlyphInfo *pGlyphPositions, uint32_t* pGlyphCount) {
+	*pGlyphPositions = (VkvgGlyphInfo)textRun->glyphs;
+	*pGlyphCount = textRun->glyph_count;
+}
 void vkvg_text_run_destroy (VkvgText textRun) {
 	_font_cache_destroy_text_run (textRun);
 	free (textRun);