C++ (Cpp) IMB_exr_begin_read примеры использования

Пример #1

/* called for reading temp files, and for external engines */
int render_result_exr_file_read_path(RenderResult *rr, RenderLayer *rl_single, const char *filepath)
{
	RenderLayer *rl;
	RenderPass *rpass;
	void *exrhandle = IMB_exr_get_handle();
	int rectx, recty;

	if (IMB_exr_begin_read(exrhandle, filepath, &rectx, &recty) == 0) {
		printf("failed being read %s\n", filepath);
		IMB_exr_close(exrhandle);
		return 0;
	}

	if (rr == NULL || rectx != rr->rectx || recty != rr->recty) {
		if (rr)
			printf("error in reading render result: dimensions don't match\n");
		else
			printf("error in reading render result: NULL result pointer\n");
		IMB_exr_close(exrhandle);
		return 0;
	}

	for (rl = rr->layers.first; rl; rl = rl->next) {
		if (rl_single && rl_single != rl)
			continue;

		/* combined */
		if (rl->rectf) {
			int a, xstride = 4;
			for (a = 0; a < xstride; a++)
				IMB_exr_set_channel(exrhandle, rl->name, get_pass_name(SCE_PASS_COMBINED, a), 
				                    xstride, xstride * rectx, rl->rectf + a);
		}
		
		/* passes are allocated in sync */
		for (rpass = rl->passes.first; rpass; rpass = rpass->next) {
			int a, xstride = rpass->channels;
			for (a = 0; a < xstride; a++)
				IMB_exr_set_channel(exrhandle, rl->name, get_pass_name(rpass->passtype, a), 
				                    xstride, xstride * rectx, rpass->rect + a);

			BLI_strncpy(rpass->name, get_pass_name(rpass->passtype, -1), sizeof(rpass->name));
		}
	}

	IMB_exr_read_channels(exrhandle);
	IMB_exr_close(exrhandle);

	return 1;
}

Пример #2

Файл: render_result.c Проект: sntulix/blender-api-javascript

/* called for reading temp files, and for external engines */
int render_result_exr_file_read_path(RenderResult *rr, RenderLayer *rl_single, const char *filepath)
{
	RenderLayer *rl;
	RenderPass *rpass;
	void *exrhandle = IMB_exr_get_handle();
	int rectx, recty;

	if (IMB_exr_begin_read(exrhandle, filepath, &rectx, &recty) == 0) {
		printf("failed being read %s\n", filepath);
		IMB_exr_close(exrhandle);
		return 0;
	}

	if (rr == NULL || rectx != rr->rectx || recty != rr->recty) {
		if (rr)
			printf("error in reading render result: dimensions don't match\n");
		else
			printf("error in reading render result: NULL result pointer\n");
		IMB_exr_close(exrhandle);
		return 0;
	}

	for (rl = rr->layers.first; rl; rl = rl->next) {
		if (rl_single && rl_single != rl)
			continue;
		
		/* passes are allocated in sync */
		for (rpass = rl->passes.first; rpass; rpass = rpass->next) {
			const int xstride = rpass->channels;
			int a;
			char passname[EXR_PASS_MAXNAME];

			for (a = 0; a < xstride; a++) {
				set_pass_name(passname, rpass->passtype, a, rpass->view);
				IMB_exr_set_channel(exrhandle, rl->name, passname,
				                    xstride, xstride * rectx, rpass->rect + a);
			}

			set_pass_name(rpass->name, rpass->passtype, -1, rpass->view);
		}
	}

	IMB_exr_read_channels(exrhandle);
	IMB_exr_close(exrhandle);

	return 1;
}