terom@11: #include <stdlib.h>
terom@12: #include <time.h>
terom@11: #include <assert.h>
terom@11: 
terom@11: #include "common.h"
terom@17: #include "render_struct.h"
terom@11: #include "render_local.h"
terom@11: #include "render_png.h"
terom@13: #include "render_raw.h"
terom@12: #include "render_mandelbrot.h"
terom@11: 
terom@11: int render_local (struct render *render, double *duration) {
terom@24:     struct render_local ctx;
terom@12:     
terom@24:     if (render_local_init(&ctx, render))
terom@24:         return -1;
terom@24:         
terom@24:     int err = render_local_run(&ctx, duration);
terom@24: 
terom@24:     render_local_deinit(&ctx);
terom@24: 
terom@24:     return err;
terom@24: }
terom@24: 
terom@24: int render_local_init (struct render_local *ctx, struct render *render) {
terom@24:     // zero
terom@24:     memset(ctx, 0, sizeof(*ctx));
terom@24: 
terom@24:     ctx->render_info = render;
terom@11: 
terom@11:     // alloc the memory buffer
terom@24:     if (!(ctx->rowbuf = malloc(render->img_w)))
terom@11:         ERROR("malloc");
terom@11:  
terom@13:     // what mode?
terom@13:     switch (render->mode) {
terom@13:         case RENDER_PNG :
terom@13:             // the render_png stuff
terom@24:             memset(&ctx->png_ctx, 0, sizeof(ctx->png_ctx));
terom@23: 
terom@24:             if (render_png_init(&ctx->png_ctx, render))
terom@13:                 ERROR("render_png_init");
terom@23:             
terom@24:             ctx->must_deinit = RENDER_PNG;
terom@23: 
terom@13:             //  set render_* to use the render_png
terom@24:             if (render_local_mem(render, &ctx->rowbuf, (int(*)(void *arg, unsigned char *)) &render_png_row, &ctx->png_ctx))
terom@13:                 ERROR("render_local_mem");
terom@13: 
terom@13:             break;
terom@13: 
terom@13:         case RENDER_RAW :
terom@13:             // the render_raw stuff
terom@24:             memset(&ctx->raw_ctx, 0, sizeof(ctx->raw_ctx));
terom@23: 
terom@24:             if (render_raw_init(&ctx->raw_ctx, render))
terom@13:                 ERROR("render_raw_init");
terom@23:             
terom@24:             ctx->must_deinit = RENDER_RAW;
terom@13: 
terom@13:             //  set render_* to use the render_raw
terom@24:             if (render_local_mem(render, &ctx->rowbuf, (int(*)(void *arg, unsigned char *)) &render_raw_row, &ctx->raw_ctx))
terom@13:                 ERROR("render_local_mem");
terom@13: 
terom@13:             break;
terom@13: 
terom@13:         default :
terom@13:             assert(0);
terom@13:     }
terom@24:     
terom@24:     // success
terom@24:     return 0;
terom@24: 
terom@24: error:
terom@24:     render_local_deinit(ctx);
terom@24: 
terom@24:     return -1;
terom@24: }
terom@24: 
terom@24: int render_local_run (struct render_local *ctx, double *duration) {
terom@24:     clock_t t1, t2;
terom@24:     
terom@24:     if (duration)
terom@24:         *duration = -1;
terom@24: 
terom@11:     // then we can actually render
terom@12:     t1 = clock();
terom@12: 
terom@24:     if (render_mandelbrot(ctx->render_info))
terom@24:         goto error;
terom@11: 
terom@12:     t2 = clock();
terom@24: 
terom@24:     // flush the PNG
terom@24:     if (render_png_done(&ctx->png_ctx))
terom@24:         goto error;
terom@12:     
terom@12:     // calculate the time taken
terom@12:     if (duration)
terom@12:         *duration = ((double)(t2 - t1))/CLOCKS_PER_SEC;
terom@12: 
terom@11:     // success
terom@11:     return 0;
terom@11: 
terom@11: error:
terom@24:     // caller must deinit
terom@24:     //
terom@11:     return -1;
terom@11: }
terom@11: 
terom@24: void render_local_deinit (struct render_local *ctx) {
terom@24:     free(ctx->rowbuf);
terom@24:     
terom@24:     if (ctx->must_deinit == RENDER_PNG)
terom@24:         render_png_deinit(&ctx->png_ctx);
terom@24: 
terom@24:     else if (ctx->must_deinit == RENDER_RAW)
terom@24:         render_raw_deinit(&ctx->raw_ctx);
terom@24: }
terom@24: