White background for images with alpha

This commit is contained in:
Bert 2011-03-09 11:37:49 +01:00
parent a82c45431b
commit d982b06eed
4 changed files with 35 additions and 17 deletions

View File

@ -211,6 +211,9 @@ void img_render(img_t *img, win_t *win) {
else
imlib_context_set_image(im_broken);
if (imlib_image_has_alpha())
win_draw_rect(win, win->pm, dx, dy, dw, dh, True, 0, win->white);
imlib_context_set_drawable(win->pm);
imlib_render_image_part_on_drawable_at_size(sx, sy, sw, sh, dx, dy, dw, dh);

View File

@ -88,6 +88,8 @@ void tns_load(tns_t *tns, win_t *win, int n, const char *filename) {
t->pm = win_create_pixmap(win, t->w, t->h);
imlib_context_set_drawable(t->pm);
imlib_context_set_anti_alias(1);
if (imlib_image_has_alpha())
win_draw_rect(win, t->pm, 0, 0, t->w, t->h, True, 0, win->white);
imlib_render_image_part_on_drawable_at_size(0, 0, w, h,
0, 0, t->w, t->h);
tns->dirty = 1;
@ -170,13 +172,23 @@ void tns_render(tns_t *tns, win_t *win) {
void tns_highlight(tns_t *tns, win_t *win, int n, Bool hl) {
thumb_t *t;
unsigned long col;
if (!tns || !win)
return;
if (n >= 0 && n < tns->cnt) {
t = &tns->thumbs[n];
win_draw_rect(win, t->x - 2, t->y - 2, t->w + 4, t->h + 4, hl);
if (hl)
col = win->selcol;
else if (win->fullscreen)
col = win->black;
else
col = win->bgcol;
win_draw_rect(win, win->pm, t->x - 2, t->y - 2, t->w + 4, t->h + 4,
False, 2, col);
}
win_draw(win);

View File

@ -52,7 +52,6 @@ void win_open(win_t *win) {
win_env_t *e;
XClassHint classhint;
XColor col;
XGCValues gcval;
char none_data[] = {0, 0, 0, 0, 0, 0, 0, 0};
Pixmap none;
int gmask;
@ -71,6 +70,9 @@ void win_open(win_t *win) {
e->cmap = DefaultColormap(e->dpy, e->scr);
e->depth = DefaultDepth(e->dpy, e->scr);
win->black = BlackPixel(e->dpy, e->scr);
win->white = WhitePixel(e->dpy, e->scr);
if (XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), BG_COLOR,
&col, &col))
win->bgcol = col.pixel;
@ -127,8 +129,7 @@ void win_open(win_t *win) {
none = XCreateBitmapFromData(e->dpy, win->xwin, none_data, 8, 8);
cnone = XCreatePixmapCursor(e->dpy, none, none, &col, &col, 0, 0);
gcval.line_width = 2;
gc = XCreateGC(e->dpy, win->xwin, GCLineWidth, &gcval);
gc = XCreateGC(e->dpy, win->xwin, 0, None);
win_set_title(win, "sxiv");
@ -251,8 +252,8 @@ void win_clear(win_t *win) {
return;
e = &win->env;
gcval.foreground = win->fullscreen ? BlackPixel(e->dpy, e->scr) :
win->bgcol;
gcval.foreground = win->fullscreen ? win->black : win->bgcol;
if (win->pm)
XFreePixmap(e->dpy, win->pm);
win->pm = XCreatePixmap(e->dpy, win->xwin, e->scrw, e->scrh, e->depth);
@ -266,22 +267,21 @@ void win_draw_pixmap(win_t *win, Pixmap pm, int x, int y, int w, int h) {
XCopyArea(win->env.dpy, pm, win->pm, gc, 0, 0, w, h, x, y);
}
void win_draw_rect(win_t *win, int x, int y, int w, int h, Bool sel) {
win_env_t *e;
void win_draw_rect(win_t *win, Pixmap pm, int x, int y, int w, int h,
Bool fill, int lw, unsigned long col) {
XGCValues gcval;
if (!win)
if (!win || !pm)
return;
e = &win->env;
gcval.line_width = lw;
gcval.foreground = col;
XChangeGC(win->env.dpy, gc, GCForeground | GCLineWidth, &gcval);
if (sel)
gcval.foreground = win->selcol;
if (fill)
XFillRectangle(win->env.dpy, pm, gc, x, y, w, h);
else
gcval.foreground = win->fullscreen ? BlackPixel(e->dpy, e->scr) :
win->bgcol;
XChangeGC(e->dpy, gc, GCForeground, &gcval);
XDrawRectangle(e->dpy, win->pm, gc, x, y, w, h);
XDrawRectangle(win->env.dpy, pm, gc, x, y, w, h);
}
void win_draw(win_t *win) {

View File

@ -43,6 +43,8 @@ typedef struct {
Window xwin;
win_env_t env;
unsigned long black;
unsigned long white;
unsigned long bgcol;
unsigned long selcol;
Pixmap pm;
@ -71,7 +73,8 @@ void win_free_pixmap(win_t*, Pixmap);
void win_clear(win_t*);
void win_draw_pixmap(win_t*, Pixmap, int, int, int, int);
void win_draw_rect(win_t*, int, int, int, int, Bool);
void win_draw_rect(win_t*, Pixmap, int, int, int, int, Bool, int,
unsigned long);
void win_draw(win_t*);
void win_set_title(win_t*, const char*);