From: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date: Fri, 31 Jan 2020 06:19:58 +0000 (+0100)
Subject: scale arc steps with current matrix
X-Git-Tag: v0.1-alpha~30
X-Git-Url: https://git.osiis.dedyn.io/?a=commitdiff_plain;h=9bdd091e99d782fdee84fdf9adcf434f5a24fb63;p=jp%2Fvkvg.git

scale arc steps with current matrix
---

diff --git a/appveyor.yml b/appveyor.yml
index f1b651a..c627c53 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -34,7 +34,7 @@ for:
         - msbuild vkvg.sln /p:Configuration=Debug /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
     after_build:
         - cd ..
-        - 7z a vkvg.zip build\*.dll build\*.exe build\*.lib
+        - 7z a vkvg.zip build\*.*
 
   -
     matrix:
@@ -54,7 +54,7 @@ for:
         - make
     after_build:
         - cd ..
-        - 7z a build/vkvg.zip build/*.so* build/test_*
+        - 7z a vkvg.zip build/*.so* build/test_*
     
 
 
diff --git a/src/vkvg_context.c b/src/vkvg_context.c
index 3067528..a2a0cb5 100644
--- a/src/vkvg_context.c
+++ b/src/vkvg_context.c
@@ -373,7 +373,8 @@ void vkvg_arc (VkvgContext ctx, float xc, float yc, float radius, float a1, floa
 
     vec2 v = {cosf(a1)*radius + xc, sinf(a1)*radius + yc};
 
-    float step = _get_arc_step(radius);
+    float step = _get_arc_step(ctx, radius);
+    printf ("steps: %.2f\n", 2.f*M_PIF/step);
     float a = a1;
 
     if (_current_path_is_empty(ctx))
@@ -416,7 +417,7 @@ void vkvg_arc_negative (VkvgContext ctx, float xc, float yc, float radius, float
 
     vec2 v = {cosf(a1)*radius + xc, sinf(a1)*radius + yc};
 
-    float step = _get_arc_step(radius);
+    float step = _get_arc_step(ctx, radius);
     float a = a1;
 
     if (_current_path_is_empty(ctx))
diff --git a/src/vkvg_context_internal.c b/src/vkvg_context_internal.c
index cb72fdf..423ba05 100644
--- a/src/vkvg_context_internal.c
+++ b/src/vkvg_context_internal.c
@@ -172,8 +172,10 @@ float _normalizeAngle(float a)
     else
         return res;
 }
-float _get_arc_step (float radius) {
-    return M_PIF/sqrtf(radius)*0.35f;
+float _get_arc_step (VkvgContext ctx, float radius) {
+    float dx = 1, dy = 1;
+    vkvg_matrix_transform_distance (&ctx->pushConsts.mat, &dx, &dy);
+    return M_PIF/sqrtf(radius)*0.35f/fmaxf(dx,dy);
 }
 void _create_gradient_buff (VkvgContext ctx){
     vkvg_buffer_create (ctx->pSurf->dev,
diff --git a/src/vkvg_context_internal.h b/src/vkvg_context_internal.h
index 4a0bbf4..052813b 100644
--- a/src/vkvg_context_internal.h
+++ b/src/vkvg_context_internal.h
@@ -182,7 +182,7 @@ void _set_curve_end         (VkvgContext ctx);
 bool _path_has_curves       (VkvgContext ctx, uint32_t ptrPath);
 
 float _normalizeAngle       (float a);
-float _get_arc_step         (float radius);
+float _get_arc_step         (VkvgContext ctx, float radius);
 
 vec2 _get_current_position  (VkvgContext ctx);
 void _add_point         	(VkvgContext ctx, float x, float y);