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comparison layer/VerticalScaleLayer.h @ 1066:c98a1fe7c7f5 spectrogram-minor-refactor

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author Chris Cannam
date Thu, 23 Jun 2016 10:51:45 +0100
parents 94e4952a6774
children 6eb9e032e708
comparison
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1065:85e49aa7fe77 1066:c98a1fe7c7f5
14 */ 14 */
15 15
16 #ifndef VERTICAL_SCALE_LAYER_H 16 #ifndef VERTICAL_SCALE_LAYER_H
17 #define VERTICAL_SCALE_LAYER_H 17 #define VERTICAL_SCALE_LAYER_H
18 18
19 /**
20 * Interface for layers in which the Y axis represents (or can
21 * sometimes represent, depending on the display mode) the sample
22 * value. For example, TimeValueLayer in point mode.
23 */
19 class VerticalScaleLayer 24 class VerticalScaleLayer
20 { 25 {
21 public: 26 public:
22 virtual int getYForValue(LayerGeometryProvider *, double value) const = 0; 27 virtual int getYForValue(LayerGeometryProvider *, double value) const = 0;
23 virtual double getValueForY(LayerGeometryProvider *, int y) const = 0; 28 virtual double getValueForY(LayerGeometryProvider *, int y) const = 0;