// render.h - UI scaling, colormaps, spectrogram texture generation, drawing
#ifndef RENDER_H
#define RENDER_H

#include "spectrogram_types.h"

// --- UI scaling & scaled text ---
float GetUIScale(void);
void  DrawTextScaled(const char* text, float x, float y, float baseSize, Color color);
float MeasureTextScaled(const char* text, float baseSize);

// --- Colormaps ---
void GenerateColormapTexture(void);
const char* ColormapName(ColormapType type);

// --- Spectrogram texture ---
// GenerateSpectrogramTexture recomputes the synchrosqueezed reassignment (use
// when the STFT changes). ColorizeSpectrogram only re-maps the cached
// reassignment to colors (use for dB-floor / colormap changes).
void GenerateSpectrogramTexture(StftResult* stft, Image* image, Texture2D* texture);
void ColorizeSpectrogram(Image* image, Texture2D* texture);

// --- On-screen drawing (operate on the global app state) ---
void DrawSpectrogramGrid(Rectangle bounds, int numCellsX, int numCellsY, Color color);
void DrawLabels(Rectangle bounds);
void DrawSelection(Rectangle bounds);
void DrawSelectionDrag(Rectangle bounds);
void DrawPlayhead(Rectangle bounds);

#endif // RENDER_H