terom@17: #ifndef RENDER_STRUCT_H
terom@17: #define RENDER_STRUCT_H
terom@17: 
terom@17: #include "render.h"
terom@17: 
terom@17: struct render {
terom@17: /* render mode */
terom@17:     int mode;
terom@17: 
terom@17: /* image size */
terom@17:     u_int32_t img_w;
terom@17:     u_int32_t img_h;
terom@17: 
terom@17: /* mandelbrot region */
terom@17:     double      x1;
terom@17:     double      y1;
terom@17:     double      x2;
terom@17:     double      y2;
terom@17: 
terom@22: /* render region */
terom@22:     u_int32_t img_left, img_right, img_top, img_bottom;
terom@22:     u_int32_t img_x_step, img_y_step;
terom@22: 
terom@17: /* local rendering */
terom@17:     unsigned char **local_rowbuf_addr;
terom@17:     render_ctx_row_cb local_row_fn;
terom@17: 
terom@17: /* local I/O parameters */
terom@17:     // if this is non-NULL, the image data is simply fwrite():en to this stream
terom@17:     FILE *io_stream;
terom@17: 
terom@17:     // called to handle the output data
terom@17:     render_ctx_write_cb io_write_fn;
terom@17: 
terom@17:     // called when the output data should be flushed - can be safely ignored if not needed
terom@17:     render_ctx_flush_cb io_flush_fn;
terom@17: 
terom@17:     // the callback argument for all of the above *_fn
terom@17:     void *cb_arg;
terom@17: };
terom@17: 
terom@17: #endif /* RENDER_STRUCT_H */
terom@17: