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Anim Playback: Optionally draw flipped 

useful to view animations from different POV.
FKey: X, Shift+FKey: Y
This commit is contained in:
Campbell Barton 2014-10-01 21:59:02 +10:00
parent b8f6941776
commit 5f948fb77f
1 changed files with 32 additions and 10 deletions
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42
source/blender/windowmanager/intern/wm_playanim.c
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@ -98,6 +98,8 @@ typedef struct PlayState {
bool go;
/* waiting for images to load */
bool loading;
/* x/y image flip */
bool draw_flip[2];
int fstep;
@ -254,7 +256,8 @@ static int pupdate_time(void)
static void playanim_toscreen(PlayState *ps, PlayAnimPict *picture, struct ImBuf *ibuf, int fontid, int fstep)
{
float offsx, offsy;
float offs_x, offs_y;
float span_x, span_y;
if (ibuf == NULL) {
printf("%s: no ibuf for picture '%s'\n", __func__, picture ? picture->name : "<NIL>");
@ -269,13 +272,17 @@ static void playanim_toscreen(PlayState *ps, PlayAnimPict *picture, struct ImBuf
GHOST_ActivateWindowDrawingContext(g_WS.ghost_window);
/* offset within window */
offsx = 0.5f * (((float)ps->win_x - ps->zoom * ibuf->x) / (float)ps->win_x);
offsy = 0.5f * (((float)ps->win_y - ps->zoom * ibuf->y) / (float)ps->win_y);
/* size within window */
span_x = (ps->zoom * ibuf->x) / (float)ps->win_x;
span_y = (ps->zoom * ibuf->y) / (float)ps->win_y;
CLAMP(offsx, 0.0f, 1.0f);
CLAMP(offsy, 0.0f, 1.0f);
glRasterPos2f(offsx, offsy);
/* offset within window */
offs_x = 0.5f * (1.0f - span_x);
offs_y = 0.5f * (1.0f - span_y);
CLAMP(offs_x, 0.0f, 1.0f);
CLAMP(offs_y, 0.0f, 1.0f);
glRasterPos2f(offs_x, offs_y);
glClearColor(0.1, 0.1, 0.1, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
@ -285,9 +292,15 @@ static void playanim_toscreen(PlayState *ps, PlayAnimPict *picture, struct ImBuf
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
fdrawcheckerboard(offsx, offsy, offsx + (ps->zoom * ibuf->x) / (float)ps->win_x, offsy + (ps->zoom * ibuf->y) / (float)ps->win_y);
fdrawcheckerboard(offs_x, offs_y, offs_x + span_x, offs_y + span_y);
}
glRasterPos2f(offs_x + (ps->draw_flip[0] ? span_x : 0.0f),
offs_y + (ps->draw_flip[1] ? span_y : 0.0f));
glPixelZoom(ps->zoom * ps->draw_flip[0] ? -1.0f : 1.0f,
ps->zoom * ps->draw_flip[1] ? -1.0f : 1.0f);
glDrawPixels(ibuf->x, ibuf->y, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect);
glDisable(GL_BLEND);
@ -527,6 +540,14 @@ static int ghost_event_proc(GHOST_EventHandle evt, GHOST_TUserDataPtr ps_void)
case GHOST_kKeyP:
if (val) ps->pingpong = !ps->pingpong;
break;
case GHOST_kKeyF:
{
if (val) {
int axis = (g_WS.qual & WS_QUAL_SHIFT) ? 1 : 0;
ps->draw_flip[axis] = !ps->draw_flip[axis];
}
break;
}
case GHOST_kKey1:
case GHOST_kKeyNumpad1:
if (val) swaptime = ps->fstep / 60.0;
@ -791,7 +812,6 @@ static int ghost_event_proc(GHOST_EventHandle evt, GHOST_TUserDataPtr ps_void)
playanim_gl_matrix();
glPixelZoom(ps->zoom, ps->zoom);
ptottime = 0.0;
playanim_toscreen(ps, ps->picture, ps->curframe_ibuf, ps->fontid, ps->fstep);
@ -896,6 +916,8 @@ static char *wm_main_playanim_intern(int argc, const char **argv)
ps.dropped_file[0] = 0;
ps.zoom = 1.0f;
/* resetmap = false */
ps.draw_flip[0] = false;
ps.draw_flip[1] = false;
ps.fstep = 1;