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Express qmlvideofx effect parameters declaratively

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Each effect item now exposes a ListModel property which describes the
set of user-controllable parameters.  This model is used by the
ParameterPanel component to generate a ListView whose delegate displays
the parameter name and a slider.

Change-Id: Ib26877fe434d8b746ef621e0b4adbcbe1ed9aaa8
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
This commit is contained in:
Gareth Stockwell
2011-12-20 13:51:34 +00:00
committed by Qt by Nokia
parent febe398400
commit 9092b1ae46
29 changed files with 225 additions and 222 deletions
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4
examples/video/qmlvideofx/shaders/blackandwhite.fsh
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@@ -41,7 +41,7 @@
// Based on http://kodemongki.blogspot.com/2011/06/kameraku-custom-shader-effects-example.html
uniform float param1Value;
uniform float threshold;
uniform float dividerValue;
uniform sampler2D source;
@@ -54,7 +54,7 @@ void main()
vec4 orig = texture2D(source, uv);
vec3 col = orig.rgb;
float y = 0.3 *col.r + 0.59 * col.g + 0.11 * col.b;
y = y < param1Value ? 0.0 : 1.0;
y = y < threshold ? 0.0 : 1.0;
if (uv.x < dividerValue)
gl_FragColor = qt_Opacity * vec4(y, y, y, 1.0);
else