[haiku-commits] haiku: hrev47557 - src/tests/servers/app/gradients
- From: pulkomandy@xxxxxxxxxxxxx
- To: haiku-commits@xxxxxxxxxxxxx
- Date: Wed, 23 Jul 2014 18:00:49 +0200 (CEST)
hrev47557 adds 1 changeset to branch 'master'
old head: 5f6a39cabead38d0129049791f6410fdd670b8e2
new head: d1a5f9098111929d00d31506c2d45bd1b3689f9e
overview: http://cgit.haiku-os.org/haiku/log/?qt=range&q=d1a5f90+%5E5f6a39c
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d1a5f90: More test cases for gradients with alpha channel
* Swapping the opaque and transparent ends leads to different results,
* Linear gradients are also affected.
[ Adrien Destugues <pulkomandy@xxxxxxxxxxxxx> ]
----------------------------------------------------------------------------
Revision: hrev47557
Commit: d1a5f9098111929d00d31506c2d45bd1b3689f9e
URL: http://cgit.haiku-os.org/haiku/commit/?id=d1a5f90
Author: Adrien Destugues <pulkomandy@xxxxxxxxxxxxx>
Date: Wed Jul 23 15:59:37 2014 UTC
----------------------------------------------------------------------------
1 file changed, 32 insertions(+), 3 deletions(-)
src/tests/servers/app/gradients/main.cpp | 35 +++++++++++++++++++++++++---
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diff --git a/src/tests/servers/app/gradients/main.cpp
b/src/tests/servers/app/gradients/main.cpp
index ebc8a58..6e1a132 100644
--- a/src/tests/servers/app/gradients/main.cpp
+++ b/src/tests/servers/app/gradients/main.cpp
@@ -12,6 +12,7 @@
#include <string.h>
#include <Application.h>
+#include <GradientLinear.h>
#include <GradientRadial.h>
#include <LayoutBuilder.h>
#include <List.h>
@@ -79,13 +80,41 @@ public:
virtual void Draw(BView* view, BRect updateRect)
{
+ view->SetDrawingMode(B_OP_ALPHA);
+
+ // These draw as almost transparent
+
+ // Radial gradient
BPoint center(50, 50);
float radius = 50.0;
BGradientRadial g(center, radius);
- g.AddColor((rgb_color){ 0, 0, 0, 255 }, 0.0);
- g.AddColor((rgb_color){ 0, 0, 0, 0 }, 255.0);
- view->SetDrawingMode(B_OP_ALPHA);
+ g.AddColor((rgb_color){ 255, 0, 0, 255 }, 0.0);
+ g.AddColor((rgb_color){ 0, 255, 0, 0 }, 255.0);
view->FillEllipse(center, radius, radius, g);
+
+ // Linear gradient
+ BPoint from(100, 0);
+ BPoint to(200, 0);
+ BGradientLinear l(from, to);
+ l.AddColor((rgb_color){ 255, 0, 0, 0 }, 0.0);
+ l.AddColor((rgb_color){ 0, 255, 0, 255 }, 255.0);
+ view->FillRect(BRect(100, 0, 200, 100), l);
+
+ // These draw as opaque or almost opaque
+
+ view->SetOrigin(BPoint(0, 100));
+
+ // Radial gradient
+ BGradientRadial go(center, radius);
+ go.AddColor((rgb_color){ 255, 0, 0, 0 }, 0.0);
+ go.AddColor((rgb_color){ 0, 255, 0, 255 }, 255.0);
+ view->FillEllipse(center, radius, radius, go);
+
+ // Linear gradient
+ BGradientLinear lo(from, to);
+ lo.AddColor((rgb_color){ 255, 0, 0, 255 }, 0.0);
+ lo.AddColor((rgb_color){ 0, 255, 0, 0 }, 255.0);
+ view->FillRect(BRect(100, 0, 200, 100), lo);
}
};
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