Stricter object encapsulation
This commit is contained in:
parent
629d37376d
commit
c7860b690b
24
image.c
24
image.c
@ -28,20 +28,22 @@ int zl_cnt;
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float zoom_min;
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float zoom_min;
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float zoom_max;
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float zoom_max;
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void imlib_init(win_t *win) {
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void img_init(img_t *img, win_t *win) {
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if (!win)
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return;
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imlib_context_set_display(win->env.dpy);
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imlib_context_set_visual(win->env.vis);
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imlib_context_set_colormap(win->env.cmap);
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zl_cnt = sizeof(zoom_levels) / sizeof(zoom_levels[0]);
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zl_cnt = sizeof(zoom_levels) / sizeof(zoom_levels[0]);
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zoom_min = zoom_levels[0] / 100.0;
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zoom_min = zoom_levels[0] / 100.0;
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zoom_max = zoom_levels[zl_cnt - 1] / 100.0;
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zoom_max = zoom_levels[zl_cnt - 1] / 100.0;
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if (img)
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img->zoom = 1.0;
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if (win) {
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imlib_context_set_display(win->env.dpy);
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imlib_context_set_visual(win->env.vis);
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imlib_context_set_colormap(win->env.cmap);
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}
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}
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}
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void imlib_destroy() {
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void img_free(img_t* img) {
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if (imlib_context_get_image())
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if (imlib_context_get_image())
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imlib_free_image();
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imlib_free_image();
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}
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}
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@ -104,7 +106,7 @@ void img_render(img_t *img, win_t *win) {
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img->re = 1;
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img->re = 1;
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/* set zoom level to fit image into window */
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/* set zoom level to fit image into window */
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if (img->scalemode != SCALE_ZOOM) {
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if (SCALE_MODE != SCALE_ZOOM) {
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zw = (float) win->w / (float) img->w;
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zw = (float) win->w / (float) img->w;
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zh = (float) win->h / (float) img->h;
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zh = (float) win->h / (float) img->h;
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img->zoom = MIN(zw, zh);
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img->zoom = MIN(zw, zh);
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@ -114,7 +116,7 @@ void img_render(img_t *img, win_t *win) {
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else if (img->zoom > zoom_max)
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else if (img->zoom > zoom_max)
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img->zoom = zoom_max;
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img->zoom = zoom_max;
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if (img->scalemode == SCALE_DOWN && img->zoom > 1.0)
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if (SCALE_MODE == SCALE_DOWN && img->zoom > 1.0)
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img->zoom = 1.0;
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img->zoom = 1.0;
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}
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}
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9
image.h
9
image.h
@ -21,15 +21,14 @@
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#include "window.h"
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#include "window.h"
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typedef enum scalemode_e {
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enum scalemode {
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SCALE_DOWN = 0,
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SCALE_DOWN = 0,
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SCALE_FIT,
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SCALE_FIT,
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SCALE_ZOOM
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SCALE_ZOOM
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} scalemode_t;
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};
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typedef struct img_s {
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typedef struct img_s {
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float zoom;
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float zoom;
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scalemode_t scalemode;
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unsigned char re;
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unsigned char re;
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int x;
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int x;
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int y;
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int y;
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@ -37,8 +36,8 @@ typedef struct img_s {
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int h;
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int h;
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} img_t;
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} img_t;
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void imlib_init(win_t*);
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void img_init(img_t*, win_t*);
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void imlib_destroy();
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void img_free(img_t*);
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int img_load(img_t*, const char*);
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int img_load(img_t*, const char*);
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void img_render(img_t*, win_t*);
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void img_render(img_t*, win_t*);
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10
main.c
10
main.c
@ -83,14 +83,8 @@ int main(int argc, char **argv) {
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exit(1);
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exit(1);
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}
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}
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img.zoom = 1.0;
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img.scalemode = SCALE_MODE;
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win.w = WIN_WIDTH;
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win.h = WIN_HEIGHT;
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win_open(&win);
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win_open(&win);
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imlib_init(&win);
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img_init(&img, &win);
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img_load(&img, filenames[fileidx]);
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img_load(&img, filenames[fileidx]);
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img_render(&img, &win);
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img_render(&img, &win);
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@ -107,7 +101,7 @@ void cleanup() {
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static int in = 0;
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static int in = 0;
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if (!in++) {
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if (!in++) {
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imlib_destroy();
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img_free(&img);
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win_close(&win);
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win_close(&win);
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}
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}
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}
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}
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7
window.c
7
window.c
@ -34,14 +34,12 @@ void win_open(win_t *win) {
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return;
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return;
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e = &win->env;
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e = &win->env;
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if (!(e->dpy = XOpenDisplay(NULL)))
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if (!(e->dpy = XOpenDisplay(NULL)))
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DIE("could not open display");
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DIE("could not open display");
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e->scr = DefaultScreen(e->dpy);
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e->scr = DefaultScreen(e->dpy);
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e->scrw = DisplayWidth(e->dpy, e->scr);
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e->scrw = DisplayWidth(e->dpy, e->scr);
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e->scrh = DisplayHeight(e->dpy, e->scr);
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e->scrh = DisplayHeight(e->dpy, e->scr);
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e->vis = DefaultVisual(e->dpy, e->scr);
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e->vis = DefaultVisual(e->dpy, e->scr);
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e->cmap = DefaultColormap(e->dpy, e->scr);
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e->cmap = DefaultColormap(e->dpy, e->scr);
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e->depth = DefaultDepth(e->dpy, e->scr);
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e->depth = DefaultDepth(e->dpy, e->scr);
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@ -50,6 +48,8 @@ void win_open(win_t *win) {
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&bgcol, &bgcol))
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&bgcol, &bgcol))
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DIE("could not allocate color: %s", BG_COLOR);
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DIE("could not allocate color: %s", BG_COLOR);
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win->w = WIN_WIDTH;
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win->h = WIN_HEIGHT;
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if (win->w > e->scrw)
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if (win->w > e->scrw)
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win->w = e->scrw;
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win->w = e->scrw;
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if (win->h > e->scrh)
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if (win->h > e->scrh)
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@ -66,10 +66,9 @@ void win_open(win_t *win) {
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XSelectInput(e->dpy, win->xwin,
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XSelectInput(e->dpy, win->xwin,
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StructureNotifyMask | KeyPressMask);
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StructureNotifyMask | KeyPressMask);
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win->pm = 0;
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gcval.foreground = bgcol.pixel;
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gcval.foreground = bgcol.pixel;
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win->bgc = XCreateGC(e->dpy, win->xwin, GCForeground, &gcval);
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win->bgc = XCreateGC(e->dpy, win->xwin, GCForeground, &gcval);
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win->pm = 0;
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win_set_title(win, "sxiv");
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win_set_title(win, "sxiv");
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