From 6d1ff8067ec3d66964462562180af721efcfc07f Mon Sep 17 00:00:00 2001
From: mmaciola <71131832+mmaciola@users.noreply.github.com>
Date: Wed, 23 Sep 2020 08:09:08 +0200
Subject: [PATCH] bindings/capi: Added gradient getter

Change-Id: Ia109c48cb4d3cf9bc753d52bbf486ad8e7233fa6
Co-authored-by: Michal Maciola <m.maciola@samsung.com>
---
 inc/thorvg_capi.h             |  6 +++++-
 src/bindings/capi/tvgCapi.cpp | 26 ++++++++++++++++++++++++++
 src/examples/testCapi.cpp     | 20 +++++++++++++++++++-
 3 files changed, 50 insertions(+), 2 deletions(-)

diff --git a/inc/thorvg_capi.h b/inc/thorvg_capi.h
index 5231d26..7a2d536 100644
--- a/inc/thorvg_capi.h
+++ b/inc/thorvg_capi.h
@@ -159,9 +159,13 @@ TVG_EXPORT Tvg_Result tvg_shape_get_gradient(const Tvg_Paint* paint, Tvg_Gradien
 TVG_EXPORT Tvg_Gradient* tvg_linear_gradient_new();
 TVG_EXPORT Tvg_Gradient* tvg_radial_gradient_new();
 TVG_EXPORT Tvg_Result tvg_linear_gradient_set(Tvg_Gradient* grad, float x1, float y1, float x2, float y2);
+TVG_EXPORT Tvg_Result tvg_linear_gradient_get(Tvg_Gradient* grad, float* x1, float* y1, float* x2, float* y2);
 TVG_EXPORT Tvg_Result tvg_radial_gradient_set(Tvg_Gradient* grad, float cx, float cy, float radius);
+TVG_EXPORT Tvg_Result tvg_radial_gradient_get(Tvg_Gradient* grad, float* cx, float* cy, float* radius);
 TVG_EXPORT Tvg_Result tvg_gradient_set_color_stops(Tvg_Gradient* grad, const Tvg_Color_Stop* color_stop, uint32_t cnt);
-TVG_EXPORT Tvg_Result tvg_gradient_set_spread(Tvg_Gradient* grad, const Tvg_Stroke_Fill);
+TVG_EXPORT Tvg_Result tvg_gradient_get_color_stops(Tvg_Gradient* grad, const Tvg_Color_Stop** color_stop, uint32_t* cnt);
+TVG_EXPORT Tvg_Result tvg_gradient_set_spread(Tvg_Gradient* grad, const Tvg_Stroke_Fill spread);
+TVG_EXPORT Tvg_Result tvg_gradient_get_spread(Tvg_Gradient* grad, Tvg_Stroke_Fill* spread);
 TVG_EXPORT Tvg_Result tvg_gradient_del(Tvg_Gradient* grad);
 
 
diff --git a/src/bindings/capi/tvgCapi.cpp b/src/bindings/capi/tvgCapi.cpp
index b58f0ff..783efd8 100644
--- a/src/bindings/capi/tvgCapi.cpp
+++ b/src/bindings/capi/tvgCapi.cpp
@@ -417,24 +417,50 @@ TVG_EXPORT Tvg_Result tvg_linear_gradient_set(Tvg_Gradient* grad, float x1, floa
     return (Tvg_Result) reinterpret_cast<LinearGradient*>(grad)->linear(x1, y1, x2, y2);
 }
 
+TVG_EXPORT Tvg_Result tvg_linear_gradient_get(Tvg_Gradient* grad, float* x1, float* y1, float* x2, float* y2)
+{
+    if (!grad) return TVG_RESULT_INVALID_ARGUMENT;
+    return (Tvg_Result) reinterpret_cast<LinearGradient*>(grad)->linear(x1, y1, x2, y2);
+}
+
 TVG_EXPORT Tvg_Result tvg_radial_gradient_set(Tvg_Gradient* grad, float cx, float cy, float radius)
 {
     if (!grad) return TVG_RESULT_INVALID_ARGUMENT;
     return (Tvg_Result) reinterpret_cast<RadialGradient*>(grad)->radial(cx, cy, radius);
 }
 
+TVG_EXPORT Tvg_Result tvg_radial_gradient_get(Tvg_Gradient* grad, float* cx, float* cy, float* radius)
+{
+    if (!grad) return TVG_RESULT_INVALID_ARGUMENT;
+    return (Tvg_Result) reinterpret_cast<RadialGradient*>(grad)->radial(cx, cy, radius);
+}
+
 TVG_EXPORT Tvg_Result tvg_gradient_set_color_stops(Tvg_Gradient* grad, const Tvg_Color_Stop* color_stop, uint32_t cnt)
 {
     if (!grad) return TVG_RESULT_INVALID_ARGUMENT;
     return (Tvg_Result) reinterpret_cast<Fill*>(grad)->colorStops(reinterpret_cast<const Fill::ColorStop*>(color_stop), cnt);
 }
 
+TVG_EXPORT Tvg_Result tvg_gradient_get_color_stops(Tvg_Gradient* grad, const Tvg_Color_Stop** color_stop, uint32_t* cnt)
+{
+    if (!grad) return TVG_RESULT_INVALID_ARGUMENT;
+    *cnt = reinterpret_cast<Fill*>(grad)->colorStops(reinterpret_cast<const Fill::ColorStop**>(color_stop));
+    return TVG_RESULT_SUCCESS;
+}
+
 TVG_EXPORT Tvg_Result tvg_gradient_set_spread(Tvg_Gradient* grad, const Tvg_Stroke_Fill spread)
 {
     if (!grad) return TVG_RESULT_INVALID_ARGUMENT;
     return (Tvg_Result) reinterpret_cast<Fill*>(grad)->spread((FillSpread)spread);
 }
 
+TVG_EXPORT Tvg_Result tvg_gradient_get_spread(Tvg_Gradient* grad, Tvg_Stroke_Fill* spread)
+{
+    if (!grad) return TVG_RESULT_INVALID_ARGUMENT;
+    *spread = (Tvg_Stroke_Fill) reinterpret_cast<Fill*>(grad)->spread();
+    return TVG_RESULT_SUCCESS;
+}
+
 
 #ifdef __cplusplus
 }
diff --git a/src/examples/testCapi.cpp b/src/examples/testCapi.cpp
index bdcc349..809d367 100644
--- a/src/examples/testCapi.cpp
+++ b/src/examples/testCapi.cpp
@@ -135,7 +135,25 @@ void testCapi()
     for(uint32_t i = 0; i < ptsCnt; ++i) {
         printf("(%.2lf, %.2lf)\n", pts[i].x, pts[i].y);
     }
-    
+
+    float x1, y1, x2, y2, radius;
+    tvg_linear_gradient_get(grad, &x1, &y1, &x2, &y2);
+    printf("Gradient linear get: %f/%f/%f/%f\n", x1, y1, x2, y2);
+    tvg_radial_gradient_get(grad6, &x1, &y1, &radius);
+    printf("Gradient radial get: %f/%f, %f\n", x1, y1, radius);
+
+    uint32_t cnt;
+    const Tvg_Color_Stop* color_stops_get;
+    tvg_gradient_get_color_stops(grad5, &color_stops_get, &cnt);
+    printf("Gradient stops get:\n");
+    for(uint32_t i = 0; i < cnt; i++) {
+        printf("\t[%d] offset: %f, rgb: %d/%d/%d, alpha: %d\n", i, color_stops_get[i].offset, color_stops_get[i].r, color_stops_get[i].g, color_stops_get[i].b, color_stops_get[i].a);
+    }
+
+    Tvg_Stroke_Fill spread;
+    tvg_gradient_get_spread(grad, &spread);
+    printf("Gradient spread: %d\n", (int)spread);
+
     //Origin paint for duplicated
     Tvg_Paint* org = tvg_shape_new();
     tvg_shape_append_rect(org, 550, 10, 100, 100, 0, 0);
-- 
2.7.4