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+/*
+ * gfx/cro.h - Cairo graphics back-end
+ *
+ * Written 2016 by Werner Almesberger
+ * Copyright 2016 by Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
+#ifndef GFX_CRO_H
+#define GFX_CRO_H
+
+#include <stdint.h>
+
+#include <cairo/cairo.h>
+
+#include "gfx/gfx.h"
+
+
+struct cro_ctx;
+
+
+extern const struct gfx_ops cro_png_ops;
+extern const struct gfx_ops cro_pdf_ops;
+
+#define cro_img_ops cro_png_ops /* just don't call cro_img_ops.end */
+#define cro_canvas_ops cro_png_ops /* just don't call cro_canvas_ops.end */
+
+
+void cro_color_override(struct cro_ctx *cc, int color);
+
+void cro_get_size(const struct cro_ctx *cc, int *w, int *h, int *x, int *y);
+
+uint32_t *cro_img_end(struct cro_ctx *cc, int *w, int *h, int *stride);
+void cro_img_write(struct cro_ctx *cc, const char *name);
+
+void cro_canvas_end(struct cro_ctx *cc, int *w, int *h, int *xmin, int *ymin);
+void cro_canvas_prepare(cairo_t *cr);
+void cro_canvas_draw(struct cro_ctx *cc, cairo_t *cr,
+ int x, int y, float scale);
+
+uint32_t *cro_img(struct cro_ctx *ctx, int x0, int yo, int w, int h,
+ int xe, int ye,
+ float scale, cairo_t **res_cr, int *res_stride);
+
+#endif /* !GFX_CRO_H */