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);
}
static void draw_movieclip_buffer(const bContext *C, SpaceClip *sc, ARegion *ar, ImBuf *ibuf,
int width, int height, float zoomx, float zoomy)
{
MovieClip *clip = ED_space_clip_get_clip(sc);
int filter = GL_LINEAR;
int x, y;
/* find window pixel coordinates of origin */
UI_view2d_view_to_region(&ar->v2d, 0.0f, 0.0f, &x, &y);
/* checkerboard for case alpha */
if (ibuf->planes == 32) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
fdrawcheckerboard(x, y, x + zoomx * ibuf->x, y + zoomy * ibuf->y);
}
/* non-scaled proxy shouldn't use filtering */
if ((clip->flag & MCLIP_USE_PROXY) == 0 ||
ELEM(sc->user.render_size, MCLIP_PROXY_RENDER_SIZE_FULL, MCLIP_PROXY_RENDER_SIZE_100))
{
filter = GL_NEAREST;
}
/* set zoom */
glPixelZoom(zoomx * width / ibuf->x, zoomy * height / ibuf->y);
glaDrawImBuf_glsl_ctx(C, ibuf, x, y, filter);
/* reset zoom */
glPixelZoom(1.0f, 1.0f);
if (sc->flag & SC_SHOW_METADATA) {
rctf frame;
BLI_rctf_init(&frame, 0.0f, ibuf->x, 0.0f, ibuf->y);
ED_region_image_metadata_draw(x, y, ibuf, &frame, zoomx * width / ibuf->x, zoomy * height / ibuf->y);
}
if (ibuf->planes == 32)
glDisable(GL_BLEND);
}
