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imlib2_view: Fix multiframe after update coordinate change

This commit is contained in:
Kim Woelders 2022-11-20 18:48:34 +01:00
parent 2d2f8899ec
commit 84948cb698
1 changed files with 58 additions and 45 deletions
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103
src/bin/imlib2_view.c
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@ -197,7 +197,8 @@ anim_init(int w, int h)
}
static void
anim_update(Imlib_Image im, const rect_t * up_in, rect_t * up_out, int flags)
anim_update(Imlib_Image im, const rect_t * r_up, const rect_t * r_out,
rect_t * r_dam, int flags)
{
static const rect_t r_zero = { };
static rect_t r_prev = { };
@ -243,36 +244,37 @@ anim_update(Imlib_Image im, const rect_t * up_in, rect_t * up_out, int flags)
}
/* Damaged area is (cleared + new frame) */
up_out->x = MIN(r_prev.x, up_in->x);
up_out->y = MIN(r_prev.y, up_in->y);
up_out->w = MAX(r_prev.x + r_prev.w, up_in->x + up_in->w) - up_out->x;
up_out->h = MAX(r_prev.y + r_prev.h, up_in->y + up_in->h) - up_out->y;
r_dam->x = MIN(r_prev.x, r_out->x);
r_dam->y = MIN(r_prev.y, r_out->y);
r_dam->w = MAX(r_prev.x + r_prev.w, r_out->x + r_out->w) - r_dam->x;
r_dam->h = MAX(r_prev.y + r_prev.h, r_out->y + r_out->h) - r_dam->y;
}
else
{
*up_out = *up_in;
*r_dam = *r_out;
}
if (flags & IMLIB_FRAME_DISPOSE_PREV)
{
Dprintf(" Save %d,%d %dx%d\n", up_in->x, up_in->y, up_in->w, up_in->h);
Dprintf(" Save %d,%d %dx%d\n", r_out->x, r_out->y, r_out->w, r_out->h);
im_prev =
imlib_create_cropped_image(up_in->x, up_in->y, up_in->w, up_in->h);
imlib_create_cropped_image(r_out->x, r_out->y, r_out->w, r_out->h);
}
if (flags & (IMLIB_FRAME_DISPOSE_CLEAR | IMLIB_FRAME_DISPOSE_PREV))
r_prev = *up_in; /* Clear/revert next time around */
r_prev = *r_out; /* Clear/revert next time around */
else
r_prev = r_zero; /* No clearing before next frame */
/* Render new frame on canvas */
Dprintf(" Render %d,%d %dx%d\n", up_in->x, up_in->y, up_in->w, up_in->h);
Dprintf(" Render %d,%d %dx%d -> %d,%d\n", r_up->x, r_up->y, r_up->w, r_up->h,
r_out->x, r_out->y);
if (flags & IMLIB_FRAME_BLEND)
imlib_context_set_blend(1);
else
imlib_context_set_blend(0);
imlib_blend_image_onto_image(im, 1, 0, 0, up_in->w, up_in->h,
up_in->x, up_in->y, up_in->w, up_in->h);
imlib_blend_image_onto_image(im, 1, r_up->x, r_up->y, r_up->w, r_up->h,
r_out->x, r_out->y, r_up->w, r_up->h);
}
static int
@ -281,7 +283,7 @@ progress(Imlib_Image im, char percent, int update_x, int update_y,
{
static double scale_x = 0., scale_y = 0.;
int up_wx, up_wy, up_ww, up_wh;
rect_t r_up;
rect_t r_up, r_out;
if (opt_progress_print)
printf("%s: %3d%% %4d,%4d %4dx%4d\n",
@ -292,6 +294,34 @@ progress(Imlib_Image im, char percent, int update_x, int update_y,
multiframe = finfo.frame_count > 1;
animated = finfo.frame_flags & IMLIB_IMAGE_ANIMATED;
if (update_w <= 0 || update_h <= 0)
{
/* Explicit rendering (not doing callbacks) */
r_up.x = 0;
r_up.y = 0;
r_up.w = finfo.frame_w;
r_up.h = finfo.frame_h;
}
else
{
r_up.x = update_x;
r_up.y = update_y;
r_up.w = update_w;
r_up.h = update_h;
}
r_out = r_up;
if (!fixedframe)
{
r_out.x += finfo.frame_x;
r_out.y += finfo.frame_y;
}
Dprintf("U=%d,%d %dx%d F=%d,%d %dx%d O=%d,%d %dx%d\n",
r_up.x, r_up.y, r_up.w, r_up.h,
finfo.frame_x, finfo.frame_y, finfo.frame_w, finfo.frame_h,
r_out.x, r_out.y, r_out.w, r_out.h);
/* first time it's called */
if (image_width == 0)
{
@ -362,24 +392,6 @@ progress(Imlib_Image im, char percent, int update_x, int update_y,
anim_init(image_width, image_height);
}
r_up.x = update_x;
r_up.y = update_y;
r_up.w = update_w;
r_up.h = update_h;
if (update_w <= 0 || update_h <= 0)
{
/* Explicit rendering (not doing callbacks) */
r_up.x = finfo.frame_x;
r_up.y = finfo.frame_y;
r_up.w = finfo.frame_w;
r_up.h = finfo.frame_h;
}
if (fixedframe)
{
r_up.x -= finfo.frame_x;
r_up.y -= finfo.frame_y;
}
imlib_context_set_anti_alias(0);
imlib_context_set_dither(0);
@ -388,36 +400,37 @@ progress(Imlib_Image im, char percent, int update_x, int update_y,
rect_t r_dam = { };
/* Update animated "target" canvas image (fg_im) */
anim_update(im, &r_up, &r_dam, finfo.frame_flags);
r_up = r_dam; /* r_up is now the "damaged" (to be re-rendered) area */
anim_update(im, &r_up, &r_out, &r_dam, finfo.frame_flags);
r_out = r_dam; /* r_up is now the "damaged" (to be re-rendered) area */
im = fg_im;
/* Re-render checkered background where animated image has changes */
imlib_context_set_image(bg_im);
imlib_context_set_blend(0);
imlib_blend_image_onto_image(bg_im_clean, 0,
r_up.x, r_up.y, r_up.w, r_up.h,
r_up.x, r_up.y, r_up.w, r_up.h);
r_out.x, r_out.y, r_out.w, r_out.h,
r_out.x, r_out.y, r_out.w, r_out.h);
}
/* Render image on background image */
Dprintf(" Update %d,%d %dx%d\n", r_up.x, r_up.y, r_up.w, r_up.h);
Dprintf(" Update %d,%d %dx%d\n", r_out.x, r_out.y, r_out.w, r_out.h);
imlib_context_set_image(bg_im);
imlib_context_set_blend(1);
imlib_blend_image_onto_image(im, 1,
r_up.x, r_up.y, r_up.w, r_up.h,
r_up.x, r_up.y, r_up.w, r_up.h);
r_out.x, r_out.y, r_out.w, r_out.h,
r_out.x, r_out.y, r_out.w, r_out.h);
/* Render image (part) (or updated canvas) on window background pixmap */
up_wx = SCALE_X(r_up.x);
up_wy = SCALE_Y(r_up.y);
up_ww = SCALE_X(r_up.w);
up_wh = SCALE_Y(r_up.h);
up_wx = SCALE_X(r_out.x);
up_wy = SCALE_Y(r_out.y);
up_ww = SCALE_X(r_out.w);
up_wh = SCALE_Y(r_out.h);
Dprintf(" Paint %d,%d %dx%d\n", up_wx, up_wy, up_ww, up_wh);
imlib_context_set_blend(0);
imlib_context_set_drawable(bg_pm);
imlib_render_image_part_on_drawable_at_size(r_up.x, r_up.y, r_up.w, r_up.h,
up_wx, up_wy, up_ww, up_wh);
imlib_render_image_part_on_drawable_at_size(r_out.x, r_out.y, r_out.w,
r_out.h, up_wx, up_wy, up_ww,
up_wh);
/* Update window */
XClearArea(disp, win, up_wx, up_wy, up_ww, up_wh, False);
@ -474,7 +487,7 @@ load_image(int no, const char *name)
Vprintf("Show %d: '%s'\n", no, name);
anim_update(NULL, NULL, NULL, 0); /* Clean up previous animation */
anim_update(NULL, NULL, NULL, NULL, 0); /* Clean up previous animation */
image_width = 0; /* Force redraw in progress() */