C++ (Cpp) sima_draw_zbuf_pixels Beispiele

Beispiel #1

Datei: image_draw.c Projekt: danielmarg/blender-main

static void draw_image_buffer(const bContext *C, SpaceImage *sima, ARegion *ar, Scene *scene, ImBuf *ibuf, float fx, float fy, float zoomx, float zoomy)
{
	int x, y;

	/* set zoom */
	glPixelZoom(zoomx, zoomy);

	/* find window pixel coordinates of origin */
	UI_view2d_to_region_no_clip(&ar->v2d, fx, fy, &x, &y);

	/* this part is generic image display */
	if (sima->flag & SI_SHOW_ALPHA) {
		if (ibuf->rect)
			sima_draw_alpha_pixels(x, y, ibuf->x, ibuf->y, ibuf->rect);
		else if (ibuf->rect_float && ibuf->channels == 4)
			sima_draw_alpha_pixelsf(x, y, ibuf->x, ibuf->y, ibuf->rect_float);
	}
	else if (sima->flag & SI_SHOW_ZBUF && (ibuf->zbuf || ibuf->zbuf_float || (ibuf->channels == 1))) {
		if (ibuf->zbuf)
			sima_draw_zbuf_pixels(x, y, ibuf->x, ibuf->y, ibuf->zbuf);
		else if (ibuf->zbuf_float)
			sima_draw_zbuffloat_pixels(scene, x, y, ibuf->x, ibuf->y, ibuf->zbuf_float);
		else if (ibuf->channels == 1)
			sima_draw_zbuffloat_pixels(scene, x, y, ibuf->x, ibuf->y, ibuf->rect_float);
	}
	else {
		unsigned char *display_buffer;
		void *cache_handle;

		glEnable(GL_BLEND);
		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

		if (sima->flag & SI_USE_ALPHA) {
			fdrawcheckerboard(x, y, x + ibuf->x * zoomx, y + ibuf->y * zoomy);
		}
		else {
			glColor4f(0.0f, 0.0f, 0.0f, 1.0f);
			glRecti(x, y, x + ibuf->x * zoomx, y + ibuf->y * zoomy);
		}

		display_buffer = IMB_display_buffer_acquire_ctx(C, ibuf, &cache_handle);

		if (display_buffer)
			glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_UNSIGNED_BYTE, display_buffer);
#if 0
		else
			glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_FLOAT, ibuf->rect_float);
#endif

		IMB_display_buffer_release(cache_handle);

		glDisable(GL_BLEND);
	}

	/* reset zoom */
	glPixelZoom(1.0f, 1.0f);
}

Beispiel #2

Datei: image_draw.c Projekt: BHCLL/blendocv

static void draw_image_buffer(SpaceImage *sima, ARegion *ar, Scene *scene, Image *ima, ImBuf *ibuf, float fx, float fy, float zoomx, float zoomy)
{
	int x, y;
	int color_manage = scene->r.color_mgt_flag & R_COLOR_MANAGEMENT;

	/* set zoom */
	glPixelZoom(zoomx, zoomy);

	/* find window pixel coordinates of origin */
	UI_view2d_to_region_no_clip(&ar->v2d, fx, fy, &x, &y);

	/* this part is generic image display */
	if(sima->flag & SI_SHOW_ALPHA) {
		if(ibuf->rect)
			sima_draw_alpha_pixels(x, y, ibuf->x, ibuf->y, ibuf->rect);
		else if(ibuf->rect_float && ibuf->channels==4)
			sima_draw_alpha_pixelsf(x, y, ibuf->x, ibuf->y, ibuf->rect_float);
	}
	else if(sima->flag & SI_SHOW_ZBUF && (ibuf->zbuf || ibuf->zbuf_float || (ibuf->channels==1))) {
		if(ibuf->zbuf)
			sima_draw_zbuf_pixels(x, y, ibuf->x, ibuf->y, ibuf->zbuf);
		else if(ibuf->zbuf_float)
			sima_draw_zbuffloat_pixels(scene, x, y, ibuf->x, ibuf->y, ibuf->zbuf_float);
		else if(ibuf->channels==1)
			sima_draw_zbuffloat_pixels(scene, x, y, ibuf->x, ibuf->y, ibuf->rect_float);
	}
	else {
		if(sima->flag & SI_USE_ALPHA) {
			unsigned char col1[3]= {100, 100, 100}, col2[3]= {160, 160, 160};
			sima_draw_alpha_backdrop(x, y, ibuf->x, ibuf->y, zoomx, zoomy, col1, col2);

			glEnable(GL_BLEND);
			glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		}

		/* we don't draw floats buffers directly but
		 * convert them, and optionally apply curves */
		image_verify_buffer_float(ima, ibuf, color_manage);

		if(ibuf->rect)
			glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect);
		/*else
			glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_FLOAT, ibuf->rect_float);*/
		
		if(sima->flag & SI_USE_ALPHA)
			glDisable(GL_BLEND);
	}

	/* reset zoom */
	glPixelZoom(1.0f, 1.0f);
}

Beispiel #3

Datei: image_draw.c Projekt: mcgrathd/blender

static void draw_image_buffer(const bContext *C, SpaceImage *sima, ARegion *ar, Scene *scene, ImBuf *ibuf, float fx, float fy, float zoomx, float zoomy)
{
	int x, y;

	/* set zoom */
	glPixelZoom(zoomx, zoomy);

	glaDefine2DArea(&ar->winrct);
	
	/* find window pixel coordinates of origin */
	UI_view2d_view_to_region(&ar->v2d, fx, fy, &x, &y);

	/* this part is generic image display */
	if (sima->flag & SI_SHOW_ALPHA) {
		if (ibuf->rect)
			sima_draw_alpha_pixels(x, y, ibuf->x, ibuf->y, ibuf->rect);
		else if (ibuf->rect_float && ibuf->channels == 4)
			sima_draw_alpha_pixelsf(x, y, ibuf->x, ibuf->y, ibuf->rect_float);
	}
	else if (sima->flag & SI_SHOW_ZBUF && (ibuf->zbuf || ibuf->zbuf_float || (ibuf->channels == 1))) {
		if (ibuf->zbuf)
			sima_draw_zbuf_pixels(x, y, ibuf->x, ibuf->y, ibuf->zbuf);
		else if (ibuf->zbuf_float)
			sima_draw_zbuffloat_pixels(scene, x, y, ibuf->x, ibuf->y, ibuf->zbuf_float);
		else if (ibuf->channels == 1)
			sima_draw_zbuffloat_pixels(scene, x, y, ibuf->x, ibuf->y, ibuf->rect_float);
	}
	else {
		if (sima->flag & SI_USE_ALPHA) {
			glEnable(GL_BLEND);
			glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

			fdrawcheckerboard(x, y, x + ibuf->x * zoomx, y + ibuf->y * zoomy);
		}

		glaDrawImBuf_glsl_ctx(C, ibuf, x, y, GL_NEAREST);

		if (sima->flag & SI_USE_ALPHA)
			glDisable(GL_BLEND);
	}

	/* reset zoom */
	glPixelZoom(1.0f, 1.0f);
}