-/* photopile, Copyright (c) 2008 Jens Kilian <jjk@acm.org>
+/* photopile, Copyright (c) 2008-2009 Jens Kilian <jjk@acm.org>
* Based on carousel, Copyright (c) 2005-2008 Jamie Zawinski <jwz@jwz.org>
* Loads a sequence of images and shuffles them into a pile.
*
#include "xlockmore.h"
#include "grab-ximage.h"
#include "texfont.h"
+#include "dropshadow.h"
#ifdef USE_GL
# define DEF_MAX_TILT "50"
# define DEF_SPEED "1.0"
# define DEF_DURATION "5"
-# define DEF_TITLES "False"
# define DEF_MIPMAP "True"
+# define DEF_TITLES "False"
+# define DEF_POLAROID "True"
+# define DEF_CLIP "True"
+# define DEF_SHADOWS "True"
# define DEF_DEBUG "False"
#define BELLRAND(n) ((frand((n)) + frand((n)) + frand((n))) / 3)
image *frames; /* pointer to array of images */
int nframe; /* image being (resp. next to be) loaded */
+ GLuint shadow;
texture_font_data *texfont;
int loading_sw, loading_sh;
static int duration; /* Reload images after this long. */
static Bool mipmap_p; /* Use mipmaps instead of single textures. */
static Bool titles_p; /* Display image titles. */
+static Bool polaroid_p; /* Use instant-film look for images. */
+static Bool clip_p; /* Clip images instead of scaling for -polaroid. */static Bool shadows_p; /* Draw drop shadows. */
static Bool debug_p; /* Be loud and do weird things. */
static XrmOptionDescRec opts[] = {
{"-scale", ".scale", XrmoptionSepArg, 0 },
{"-maxTilt", ".maxTilt", XrmoptionSepArg, 0 },
- {"-titles", ".titles", XrmoptionNoArg, "True" },
- {"-no-titles", ".titles", XrmoptionNoArg, "False" },
+ {"-speed", ".speed", XrmoptionSepArg, 0 },
+ {"-duration", ".duration", XrmoptionSepArg, 0 },
{"-mipmaps", ".mipmap", XrmoptionNoArg, "True" },
{"-no-mipmaps", ".mipmap", XrmoptionNoArg, "False" },
- {"-duration", ".duration", XrmoptionSepArg, 0 },
+ {"-titles", ".titles", XrmoptionNoArg, "True" },
+ {"-no-titles", ".titles", XrmoptionNoArg, "False" },
+ {"-polaroid", ".polaroid", XrmoptionNoArg, "True" },
+ {"-no-polaroid", ".polaroid", XrmoptionNoArg, "False" },
+ {"-clip", ".clip", XrmoptionNoArg, "True" },
+ {"-no-clip", ".clip", XrmoptionNoArg, "False" },
+ {"-shadows", ".shadows", XrmoptionNoArg, "True" },
+ {"-no-shadows", ".shadows", XrmoptionNoArg, "False" },
{"-debug", ".debug", XrmoptionNoArg, "True" },
{"-font", ".font", XrmoptionSepArg, 0 },
- {"-speed", ".speed", XrmoptionSepArg, 0 },
};
static argtype vars[] = {
{ &scale, "scale", "Scale", DEF_SCALE, t_Float},
{ &max_tilt, "maxTilt", "MaxTilt", DEF_MAX_TILT, t_Float},
- { &mipmap_p, "mipmap", "Mipmap", DEF_MIPMAP, t_Bool},
- { &debug_p, "debug", "Debug", DEF_DEBUG, t_Bool},
- { &titles_p, "titles", "Titles", DEF_TITLES, t_Bool},
{ &speed, "speed", "Speed", DEF_SPEED, t_Float},
{ &duration, "duration", "Duration", DEF_DURATION, t_Int},
+ { &mipmap_p, "mipmap", "Mipmap", DEF_MIPMAP, t_Bool},
+ { &titles_p, "titles", "Titles", DEF_TITLES, t_Bool},
+ { &polaroid_p, "polaroid", "Polaroid", DEF_POLAROID, t_Bool},
+ { &clip_p, "clip", "Clip", DEF_CLIP, t_Bool},
+ { &shadows_p, "shadows", "Shadows", DEF_SHADOWS, t_Bool},
+ { &debug_p, "debug", "Debug", DEF_DEBUG, t_Bool},
};
ENTRYPOINT ModeSpecOpt photopile_opts = {countof(opts), opts, countof(vars), vars, NULL};
if (wire)
{
- frame->w = (int)(MI_WIDTH(mi) * scale) - 1;
- frame->h = (int)(MI_HEIGHT(mi) * scale) - 1;
+ if (random() % 2)
+ {
+ frame->w = (int)(MI_WIDTH(mi) * scale) - 1;
+ frame->h = (int)(MI_HEIGHT(mi) * scale) - 1;
+ }
+ else
+ {
+ frame->w = (int)(MI_HEIGHT(mi) * scale) - 1;
+ frame->h = (int)(MI_WIDTH(mi) * scale) - 1;
+ }
if (frame->w <= 10) frame->w = 10;
if (frame->h <= 10) frame->h = 10;
frame->geom.width = frame->w;
static void
-loading_msg (ModeInfo *mi, int n)
+loading_msg (ModeInfo *mi)
{
photopile_state *ss = &sss[MI_SCREEN(mi)];
int wire = MI_IS_WIREFRAME(mi);
- char text[100];
- GLfloat scale;
+ const char text[] = "Loading...";
if (wire) return;
- if (n == 0)
- sprintf (text, "Loading images...");
- else
- sprintf (text, "Loading images... (%d%%)",
- (int) (n * 100 / MI_COUNT(mi)));
-
- if (ss->loading_sw == 0) /* only do this once, so that the string doesn't move. */
+ if (ss->loading_sw == 0) /* only do this once */
ss->loading_sw = texture_string_width (ss->texfont, text, &ss->loading_sh);
- scale = ss->loading_sh / (GLfloat) MI_HEIGHT(mi);
-
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
static Bool
-load_initial_images (ModeInfo *mi)
+loading_initial_image (ModeInfo *mi)
{
photopile_state *ss = &sss[MI_SCREEN(mi)];
if (ss->frames[ss->nframe].loaded_p)
{
- /* The current image has been fully loaded. */
- if (++ss->nframe < MI_COUNT(mi))
- {
- /* Start the next one loading. (We run the image loader
- * asynchronously, but we load them one at a time.)
- */
- load_image(mi);
- }
- else
+ /* The initial image has been fully loaded, start fading it in. */
+ int i;
+
+ for (i = 0; i < ss->nframe; ++i)
{
- /* loaded all initial images, start fading them in */
- int i;
-
- for (i = 0; i < ss->nframe; ++i)
- {
- ss->frames[i].pos[3].x = MI_WIDTH(mi) * 0.5;
- ss->frames[i].pos[3].y = MI_HEIGHT(mi) * 0.5;
- ss->frames[i].pos[3].angle = 0.0;
- }
- set_new_positions(ss);
-
- ss->mode = IN;
- ss->mode_tick = fade_ticks / speed;
+ ss->frames[i].pos[3].x = MI_WIDTH(mi) * 0.5;
+ ss->frames[i].pos[3].y = MI_HEIGHT(mi) * 0.5;
+ ss->frames[i].pos[3].angle = 0.0;
}
+ set_new_positions(ss);
+
+ ss->mode = SHUFFLE;
+ ss->mode_tick = fade_ticks / speed;
+ }
+ else
+ {
+ loading_msg(mi);
}
- loading_msg(mi, ss->nframe);
- return (ss->mode != EARLY);
+ return (ss->mode == EARLY);
}
{
glShadeModel (GL_SMOOTH);
glEnable (GL_LINE_SMOOTH);
- /* This gives us a transparent diagonal slice through each image! */
- /* glEnable (GL_POLYGON_SMOOTH); */
glHint (GL_LINE_SMOOTH_HINT, GL_NICEST);
glEnable (GL_BLEND);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-
- glEnable (GL_POLYGON_OFFSET_FILL);
- glPolygonOffset (1.0, 1.0);
}
+ ss->shadow = init_drop_shadow();
ss->texfont = load_texture_font (MI_DISPLAY(mi), "font");
if (debug_p)
int i;
for (i = 0; i < MI_COUNT(mi) + 1; ++i)
{
- glGenTextures(1, &(ss->frames[i].texid));
+ glGenTextures (1, &(ss->frames[i].texid));
if (ss->frames[i].texid <= 0) abort();
}
}
photopile_state *ss = &sss[MI_SCREEN(mi)];
image *frame = ss->frames + i;
- GLfloat texw = frame->geom.width / (GLfloat) frame->tw;
- GLfloat texh = frame->geom.height / (GLfloat) frame->th;
- GLfloat texx1 = frame->geom.x / (GLfloat) frame->tw;
- GLfloat texy1 = frame->geom.y / (GLfloat) frame->th;
- GLfloat texx2 = texx1 + texw;
- GLfloat texy2 = texy1 + texh;
-
position pos = interpolate(t, frame->pos);
GLfloat w = frame->geom.width * 0.5;
GLfloat h = frame->geom.height * 0.5;
+ GLfloat z1 = z - 0.25 / (MI_COUNT(mi) + 1);
+ GLfloat z2 = z - 0.5 / (MI_COUNT(mi) + 1);
+ GLfloat w1 = w;
+ GLfloat h1 = h;
+ GLfloat h2 = h;
- glBindTexture (GL_TEXTURE_2D, frame->texid);
+ if (polaroid_p)
+ {
+ GLfloat minSize = MIN(w, h);
+ GLfloat maxSize = MAX(w, h);
+
+ /* Clip or scale image to fit in the frame.
+ */
+ if (clip_p)
+ {
+ w = h = minSize;
+ }
+ else
+ {
+ GLfloat scale = minSize / maxSize;
+ w *= scale;
+ h *= scale;
+ }
+
+ w1 = minSize * 1.16; /* enlarge frame border */
+ h1 = minSize * 1.5;
+ h2 = w1;
+ s /= 1.5; /* compensate for border size */
+ }
glPushMatrix();
glRotatef (pos.angle, 0, 0, 1);
glScalef (s, s, 1);
- /* Draw the image quad. */
+ /* Draw the drop shadow. */
+ if (shadows_p && !wire)
+ {
+ glColor3f (0, 0, 0);
+ draw_drop_shadow(ss->shadow, -w1, -h1, z2, 2.0 * w1, h1 + h2, 20.0);
+ }
+
+ /* Draw the retro instant-film frame.
+ */
+ if (polaroid_p)
+ {
+ if (! wire)
+ {
+ glColor3f (1, 1, 1);
+ glBegin (GL_QUADS);
+ glVertex3f (-w1, -h1, z2);
+ glVertex3f ( w1, -h1, z2);
+ glVertex3f ( w1, h2, z2);
+ glVertex3f (-w1, h2, z2);
+ glEnd();
+ }
+
+ glLineWidth (2.0);
+ glColor3f (0.5, 0.5, 0.5);
+ glBegin (GL_LINE_LOOP);
+ glVertex3f (-w1, -h1, z);
+ glVertex3f ( w1, -h1, z);
+ glVertex3f ( w1, h2, z);
+ glVertex3f (-w1, h2, z);
+ glEnd();
+ }
+
+ /* Draw the image quad.
+ */
if (! wire)
{
- glColor3f (1, 1, 1);
+ GLfloat texw = w / frame->tw;
+ GLfloat texh = h / frame->th;
+ GLfloat texx = (frame->geom.x + 0.5 * frame->geom.width) / frame->tw;
+ GLfloat texy = (frame->geom.y + 0.5 * frame->geom.height) / frame->th;
+
+ glBindTexture (GL_TEXTURE_2D, frame->texid);
glEnable (GL_TEXTURE_2D);
+ glColor3f (1, 1, 1);
glBegin (GL_QUADS);
- glTexCoord2f (texx1, texy2); glVertex3f (-w, -h, z);
- glTexCoord2f (texx2, texy2); glVertex3f ( w, -h, z);
- glTexCoord2f (texx2, texy1); glVertex3f ( w, h, z);
- glTexCoord2f (texx1, texy1); glVertex3f (-w, h, z);
+ glTexCoord2f (texx - texw, texy + texh); glVertex3f (-w, -h, z1);
+ glTexCoord2f (texx + texw, texy + texh); glVertex3f ( w, -h, z1);
+ glTexCoord2f (texx + texw, texy - texh); glVertex3f ( w, h, z1);
+ glTexCoord2f (texx - texw, texy - texh); glVertex3f (-w, h, z1);
glEnd();
+ glDisable (GL_TEXTURE_2D);
}
/* Draw a box around it.
*/
glLineWidth (2.0);
glColor3f (0.5, 0.5, 0.5);
- glDisable (GL_TEXTURE_2D);
glBegin (GL_LINE_LOOP);
glVertex3f (-w, -h, z);
glVertex3f ( w, -h, z);
if (titles_p)
{
int sw, sh;
- GLfloat scale = 0.5;
+ GLfloat scale = 0.6;
char *title = frame->title ? frame->title : "(untitled)";
sw = texture_string_width (ss->texfont, title, &sh);
glTranslatef (-sw*scale*0.5, -h - sh*scale, z);
glScalef (scale, scale, 1);
- glColor3f (1, 1, 1);
+ if (wire || !polaroid_p)
+ {
+ glColor3f (1, 1, 1);
+ }
+ else
+ {
+ glColor3f (0, 0, 0);
+ }
if (!wire)
{
glEnable (GL_TEXTURE_2D);
print_texture_string (ss->texfont, title);
+ glDisable (GL_TEXTURE_2D);
}
else
{
glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(ss->glx_context));
if (ss->mode == EARLY)
- if (!load_initial_images (mi))
+ if (loading_initial_image (mi))
return;
/* Only check the wall clock every 10 frames */
for (i = 0; i < MI_COUNT(mi) + (ss->mode == SHUFFLE); ++i)
{
int j = (ss->nframe + i + 1) % (MI_COUNT(mi) + 1);
- GLfloat s = 1.0;
- GLfloat z = (GLfloat)i / (MI_COUNT(mi) + 1);
- switch (ss->mode)
+ if (ss->frames[j].loaded_p)
{
- case IN:
- s *= t;
- break;
- case NORMAL:
- case LOADING:
- t = 1.0;
- break;
- case SHUFFLE:
- if (i == MI_COUNT(mi))
+ GLfloat s = 1.0;
+ GLfloat z = (GLfloat)i / (MI_COUNT(mi) + 1);
+
+ switch (ss->mode)
{
+ case IN:
s *= t;
+ break;
+ case NORMAL:
+ case LOADING:
+ t = 1.0;
+ break;
+ case SHUFFLE:
+ if (i == MI_COUNT(mi))
+ {
+ s *= t;
+ }
+ else if (i == 0)
+ {
+ s *= 1.0 - t;
+ }
+ break;
+ default:
+ abort();
}
- else if (i == 0)
- {
- s *= 1.0 - t;
- }
- break;
- default:
- abort();
- }
- draw_image(mi, j, t, s, z);
+ draw_image(mi, j, t, s, z);
+ }
}
}
projects / xscreensaver / blobdiff