void render_text(char * text, int button_x, int button_y, int * button_w, int * button_h) {
Imlib_Image buffer;
int text_w, text_h;
/* query the size it will be */
imlib_get_text_size(text, &text_w, &text_h);
*button_w = text_w + pad_width;
*button_h = text_height + pad_height;
/* create our buffer image for rendering this update */
buffer = imlib_create_image(*button_w, *button_h);
if ( buffer == NULL ) {
fprintf(stderr, "Null buffer First\n");
return;
}
imlib_context_set_image(buffer);
imlib_context_set_color(tag_color.red,tag_color.green,tag_color.blue,tag_color.alpha);
imlib_image_fill_rectangle(0,0, *button_w, *button_h);
imlib_context_set_color(255, 255, 255, 255);
imlib_text_draw(pad_width/2, pad_height/2, text);
imlib_render_image_on_drawable(button_x, button_y);
imlib_free_image();
}
static inline PyObject *
ImageObject_draw_rectangle(PyObject* self, PyObject *args, PyObject *kwargs)
{
int x, y, w, h;
int r=-1, g, b, alpha, fill=0;
static char *keywords[] = {"x", "y", "w", "h", "color", "fill", NULL};
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "iiii|(iiii)i:draw_rectangle", keywords,
&x, &y, &w, &h, &r, &g, &b, &alpha, &fill)){
return NULL;
}
imlib_context_set_image(((ImageObject *)self)->image);
if(r >= 0){
//set color
imlib_context_set_color(r, g, b, alpha);
}
DEBUG("fill %d", fill);
if(fill){
imlib_image_fill_rectangle(x, y, w, h);
}else{
imlib_image_draw_rectangle(x, y, w, h);
}
Py_RETURN_NONE;
}
void
gib_imlib_image_fill_rectangle(Imlib_Image im, int x, int y, int w, int h,
int r, int g, int b, int a)
{
imlib_context_set_image(im);
imlib_context_set_color(r, g, b, a);
imlib_image_fill_rectangle(x, y, w, h);
}
void render_present()
{
update_bg();
#ifdef WITH_COMPOSITE
if (theme->use_composite) {
/*
* Because XRender can't do directly SRCc * SRCa + DSTc * (1 - SRCa) blending,
* I must apply SRCa to my SRCc manually. To do this I'm using PictOpSrc with
* alpha channel in mask. So, I need to copy RGB data to one buffer (color) and
* Alpha to another buffer (mask), then use them in XRenderComposite.
*
* But I think in can be done on theme loading stage. Just apply SRCa to SRCc
* immediately. Optimization?
*/
/* copy color part to bbcolor */
imlib_context_set_image(bbcolor);
imlib_image_set_has_alpha(1);
imlib_context_set_color(0,0,0,255);
imlib_image_fill_rectangle(0,0,bbwidth,bbheight);
imlib_blend_image_onto_image(bb,0,0,0,bbwidth,bbheight,0,0,bbwidth,bbheight);
imlib_context_set_drawable(pixcolor);
imlib_render_image_on_drawable(0,0);
/* copy alpha part to bbalpha */
imlib_context_set_image(bbalpha);
imlib_image_copy_alpha_to_image(bb,0,0);
imlib_image_set_has_alpha(1);
imlib_context_set_drawable(pixalpha);
imlib_render_image_on_drawable(0,0);
XRenderComposite(bbdpy,
PictOpSrc,
piccolor,
picalpha,
rootpic,
0, 0, 0, 0, 0, 0, bbwidth,
bbheight);
} else
#endif
if (*rootpmap) {
imlib_context_set_image(bbcolor);
imlib_blend_image_onto_image(bg,0,0,0,bbwidth,bbheight,0,0,bbwidth,bbheight);
imlib_context_set_blend(1);
imlib_blend_image_onto_image(bb,0,0,0,bbwidth,bbheight,0,0,bbwidth,bbheight);
imlib_context_set_blend(0);
imlib_context_set_drawable(bbwin);
imlib_render_image_on_drawable(0,0);
} else {
imlib_context_set_drawable(bbwin);
imlib_context_set_image(bb);
imlib_render_image_on_drawable(0,0);
}
}
static void render_checkerboard() {
/* create the checkerboard texture, if not already done. */
static Pixmap checks_pmap = None;
Imlib_Image checks = NULL;
if (checks_pmap == None) {
checks = imlib_create_image(16, 16);
if (!checks) {
fputs("Unable to create a teeny weeny imlib image. I detect problems\n", stderr);
}
imlib_context_set_image(checks);
imlib_context_set_color(144, 144, 144, 255);
imlib_image_fill_rectangle(0, 0, 16, 16);
imlib_context_set_color(100, 100, 100, 255);
imlib_image_fill_rectangle(0, 0, 8, 8);
imlib_image_fill_rectangle(8, 8, 8, 8);
checks_pmap = XCreatePixmap(x11.display, x11_window, 16, 16, x11.depth);
imlib_context_set_drawable(checks_pmap);
imlib_render_image_on_drawable(0, 0);
imlib_free_image_and_decache();
}
/* and plot the checkerboards onto the pixmap */
static GC gc = None;
XGCValues gcval;
if (gc == None) {
gcval.tile = checks_pmap;
gcval.fill_style = FillTiled;
gc = XCreateGC(x11.display, x11_window, GCTile | GCFillStyle, &gcval);
}
XFillRectangle(x11.display, window_pixmap, gc, 0, 0, s_view.win_width, s_view.win_height);
}
static tvalue im2_blank_image(struct sequ_image *img)
{
if(!img)
return FALSE;
imlib_context_set_image((Imlib_Image)img->privdata);
imlib_context_set_color(0,0,0,255);
imlib_image_fill_rectangle(0,0,img->width,img->height);
return TRUE;
}
void BubbleRectangle::writeImage() const {
int fontsize = static_cast<int>(font->size);//todo
bgcolor->use();
imlib_image_fill_rectangle(x0, y0, width, height);
// Text schreiben
string rest = text;
int txtheight = 0.8*fontsize;
font->use();
while(rest.length() > 0) {
if (txtheight > height) {
std::cerr<< "Error: text does not fit, aborting: "<< text <<".\n";
break;
}
rest = drawTextLine(x0, y0+txtheight, rest, width, txtheight/(float)width, false);
txtheight += fontsize*1.7;
}
}
Imlib_Image scale_icon(Imlib_Image original, int icon_size)
{
Imlib_Image icon_scaled;
if (original) {
imlib_context_set_image (original);
icon_scaled = imlib_create_cropped_scaled_image(0, 0, imlib_image_get_width(), imlib_image_get_height(), icon_size, icon_size);
imlib_context_set_image (icon_scaled);
imlib_image_set_has_alpha(1);
DATA32* data = imlib_image_get_data();
adjust_asb(data, icon_size, icon_size, launcher_alpha, (float)launcher_saturation/100, (float)launcher_brightness/100);
imlib_image_put_back_data(data);
} else {
icon_scaled = imlib_create_image(icon_size, icon_size);
imlib_context_set_image (icon_scaled);
imlib_context_set_color(255, 255, 255, 255);
imlib_image_fill_rectangle(0, 0, icon_size, icon_size);
}
return icon_scaled;
}
Imlib_Image Get_Image_from_ImgArray(struct CamGrab_t* CG)
{
int localMostRecent;
if (CG->MostRecent < 0)
{ //create dummy image to display
CG->LastDisplayedImage = imlib_create_image(640, 480);
imlib_context_set_image(CG->LastDisplayedImage);
imlib_context_set_color(128, 128, 128, 255);
imlib_image_fill_rectangle(0, 0, 640, 480);
}
else
{ //grab threads have started receiving images from rover
pthread_mutex_lock(&CG->MostRecentLock);
localMostRecent = CG->MostRecent;
pthread_mutex_lock(&CG->ImgArrayLock[CG->MostRecent]);
pthread_mutex_unlock(&CG->MostRecentLock);
imlib_context_set_image(*CG->ImgArray[localMostRecent]);
CG->LastDisplayedImage = imlib_clone_image();
CG->LastDisplayed = localMostRecent;
pthread_mutex_unlock(&CG->ImgArrayLock[localMostRecent]);
}
return CG->LastDisplayedImage;
}
static int
progress(Imlib_Image im, char percent, int update_x, int update_y,
int update_w, int update_h)
{
/* first time it's called */
imlib_context_set_drawable(pm);
imlib_context_set_anti_alias(0);
imlib_context_set_dither(0);
imlib_context_set_blend(0);
if (image_width == 0)
{
int x, y, onoff;
imlib_context_set_image(im);
image_width = imlib_image_get_width();
image_height = imlib_image_get_height();
if (pm)
XFreePixmap(disp, pm);
pm = XCreatePixmap(disp, win, image_width, image_height, depth);
imlib_context_set_drawable(pm);
if (bg_im)
{
imlib_context_set_image(bg_im);
imlib_free_image_and_decache();
}
bg_im = imlib_create_image(image_width, image_height);
imlib_context_set_image(bg_im);
for (y = 0; y < image_height; y += 8)
{
onoff = (y / 8) & 0x1;
for (x = 0; x < image_width; x += 8)
{
if (onoff)
imlib_context_set_color(144, 144, 144, 255);
else
imlib_context_set_color(100, 100, 100, 255);
imlib_image_fill_rectangle(x, y, 8, 8);
onoff++;
if (onoff == 2)
onoff = 0;
}
}
imlib_render_image_part_on_drawable_at_size(0, 0, image_width,
image_height, 0, 0,
image_width, image_height);
XSetWindowBackgroundPixmap(disp, win, pm);
XResizeWindow(disp, win, image_width, image_height);
XMapWindow(disp, win);
XSync(disp, False);
}
imlib_context_set_anti_alias(0);
imlib_context_set_dither(0);
imlib_context_set_blend(1);
imlib_blend_image_onto_image(im, 0,
update_x, update_y,
update_w, update_h,
update_x, update_y, update_w, update_h);
imlib_context_set_blend(0);
imlib_render_image_part_on_drawable_at_size(update_x, update_y,
update_w, update_h,
update_x, update_y,
update_w, update_h);
XSetWindowBackgroundPixmap(disp, win, pm);
XClearArea(disp, win, update_x, update_y, update_w, update_h, False);
XFlush(disp);
return 1;
}
int
main(int argc, char **argv)
{
int w, h, tw, th;
Imlib_Image im_bg = NULL;
XEvent ev;
KeySym keysym;
static char kbuf[20];
Imlib_Font font;
Imlib_Color_Range range;
const char *display_name = getenv("DISPLAY");
/**
* First tests to determine which rendering task to perform
*/
if (display_name == NULL)
display_name = ":0";
disp = XOpenDisplay(display_name);
if (disp == NULL)
{
fprintf(stderr, "Can't open display %s\n", display_name);
return 1;
}
vis = DefaultVisual(disp, DefaultScreen(disp));
depth = DefaultDepth(disp, DefaultScreen(disp));
cm = DefaultColormap(disp, DefaultScreen(disp));
win =
XCreateSimpleWindow(disp, DefaultRootWindow(disp), 0, 0, 100, 100, 0, 0,
0);
XSelectInput(disp, win,
ButtonPressMask | ButtonReleaseMask | ButtonMotionMask |
PointerMotionMask | ExposureMask | KeyPressMask);
XMapWindow(disp, win);
/**
* Start rendering
*/
imlib_set_font_cache_size(512 * 1024);
imlib_add_path_to_font_path(PACKAGE_DATA_DIR"/data/fonts");
imlib_context_set_display(disp);
imlib_context_set_visual(vis);
imlib_context_set_colormap(cm);
imlib_context_set_drawable(win);
imlib_context_set_blend(0);
imlib_context_set_color_modifier(NULL);
imlib_context_set_blend(0);
im_bg = imlib_create_image(600, 400);
imlib_context_set_image(im_bg);
w = imlib_image_get_width();
h = imlib_image_get_height();
imlib_context_set_color(128, 128, 255, 255);
imlib_image_fill_rectangle(0, 0, w, h);
XResizeWindow(disp, win, w, h);
XSync(disp, False);
while (1)
{
do
{
XNextEvent(disp, &ev);
switch (ev.type)
{
case ButtonRelease:
exit(0);
break;
case KeyPress:
XLookupString(&ev.xkey, (char *)kbuf, sizeof(kbuf), &keysym,
NULL);
switch (*kbuf)
{
case 'q':
exit(0);
default:
break;
}
break;
default:
break;
}
}
while (XPending(disp));
imlib_context_set_image(im_bg);
imlib_context_set_color(128, 128, 255, 255);
imlib_image_fill_rectangle(0, 0, w, h);
imlib_context_set_color(0, 0, 0, 255);
imlib_image_draw_rectangle(20, 20, 560, 140);
imlib_image_draw_rectangle(20, 220, 560, 140);
font = imlib_load_font("notepad/15");
if (font)
{
char text[4096];
imlib_context_set_font(font);
imlib_context_set_color(0, 0, 0, 255);
sprintf(text, "RGBA range, 2 points, from red to magenta");
imlib_get_text_size(text, &tw, &th);
imlib_text_draw(300 - tw / 2, 180 - th / 2, text);
sprintf(text, "HSVA range, 2 points, from red to magenta");
imlib_get_text_size(text, &tw, &th);
imlib_text_draw(300 - tw / 2, 380 - th / 2, text);
imlib_free_font();
}
/* Draw rectangle w/ RGBA gradient */
range = imlib_create_color_range();
imlib_context_set_color_range(range);
imlib_context_set_color(255, 0, 0, 255);
imlib_add_color_to_color_range(0);
imlib_context_set_color(255, 0, 255, 255);
imlib_add_color_to_color_range(20);
imlib_image_fill_color_range_rectangle(21, 21, 558, 138, -90.0);
imlib_free_color_range();
/* Draw rectangle w/ HSVA gradient */
range = imlib_create_color_range();
imlib_context_set_color_range(range);
imlib_context_set_color_hsva(0, 1, 1, 255);
imlib_add_color_to_color_range(0);
imlib_context_set_color_hsva(300, 1, 1, 255);
imlib_add_color_to_color_range(20);
imlib_image_fill_hsva_color_range_rectangle(21, 221, 558, 138, -90.0);
imlib_free_color_range();
imlib_render_image_on_drawable(0, 0);
}
return 0;
}
void Resources::reloadWallpaper()
{
if (!_wallpaper)
delete _wallpaper;
Window rootWindow = XTools::rootWindow();
XWindowAttributes attrs;
XGetWindowAttributes(_dpy, rootWindow, &attrs);
int width = attrs.width;
int height = attrs.height;
_wallpaper = new Image(_dpy, width, height, attrs.depth);
printf("Loading background from '%s'\n", Settings::instance()->backgroundFilename());
printf("Background mode: %d\n", Settings::instance()->backgroundMode());
imlib_context_set_display(_dpy);
int bgXpos = 0;
int bgYpos = 0;
Imlib_Image background = imlib_load_image(Settings::instance()->backgroundFilename());
if (background == 0)
{
printf("Cannot load background\n");
printf("rgb = (%d, %d, %d)\n",
_backgroundColor.red / 256,
_backgroundColor.green / 256,
_backgroundColor.blue / 256
);
background = imlib_create_image(width, height);
imlib_context_set_image(background);
imlib_context_set_color(
_backgroundColor.red / 256,
_backgroundColor.green / 256,
_backgroundColor.blue / 256,
255
);
imlib_image_fill_rectangle(0, 0, width, height);
}
else
{
Imlib_Image bgToDraw = 0;
imlib_context_set_image(background);
switch (Settings::instance()->backgroundMode())
{
case Settings::Stretched:
{
bgToDraw = imlib_create_cropped_scaled_image(
0, 0,
imlib_image_get_width(), imlib_image_get_height(),
width, height
);
break;
}
case Settings::Centered:
{
// Hildon's logic is not so easy in this case
// bgToDraw = imlib_create_cropped_image(
// (imlib_image_get_width() - width) / 2,
// (imlib_image_get_height()- height) / 2,
// width, height
// );
double scalex = 1.0;
double scaley = 1.0;
if (imlib_image_get_width() > width * 2)
scalex = (double)imlib_image_get_width() / 2.0 / width;
if (imlib_image_get_height() > height * 2)
scaley = (double)imlib_image_get_height() / 2.0 / height;
double scale = scalex;
if (scaley > scale)
scale = scaley;
int newwidth = (int)(scale * width);
int newheight= (int)(scale * height);
bgToDraw = imlib_create_cropped_scaled_image(
(imlib_image_get_width() - newwidth) / 2,
(imlib_image_get_height()- newheight)/ 2,
newwidth, newheight,
width, height
);
break;
}
case Settings::Scaled: case Settings::Cropped:
{
double scalex = (double)width / imlib_image_get_width();
double scaley = (double)height / imlib_image_get_height();
double scale = scalex;
if (Settings::instance()->backgroundMode() == Settings::Scaled)
{
if (scaley < scale) scale = scaley;
}
else
{
if (scaley > scale) scale = scaley;
}
int newwidth = (int)(imlib_image_get_width() * scale);
int newheight= (int)(imlib_image_get_height() * scale);
bgToDraw = imlib_create_cropped_scaled_image(
0, 0,
imlib_image_get_width(), imlib_image_get_height(),
newwidth, newheight
);
bgXpos = (width - newwidth) / 2;
bgYpos = (height - newheight) / 2;
break;
}
default:
printf("Unknown background mode: %d\n", Settings::instance()->backgroundMode());
}
imlib_free_image();
imlib_context_set_image(bgToDraw);
}
imlib_context_set_drawable(_wallpaper->pixmap());
imlib_context_set_visual(DefaultVisual(_dpy, DefaultScreen(_dpy)));
imlib_render_image_on_drawable(bgXpos, bgYpos);
imlib_free_image();
}
ngx_int_t ngx_http_small_light_imlib2_process(ngx_http_request_t *r, ngx_http_small_light_ctx_t *ctx)
{
ngx_http_small_light_imlib2_ctx_t *ictx;
ngx_http_small_light_image_size_t sz;
Imlib_Image image_org, image_dst, image_tmp;
Imlib_Load_Error err;
ngx_file_info_t fi;
ngx_fd_t fd;
char *filename, *sharpen, *blur, *of, *buf;
void *data;
int w, h, radius, orientation;
double iw, ih, q;
ngx_int_t type;
const char *ext;
ssize_t size;
ictx = (ngx_http_small_light_imlib2_ctx_t *)ctx->ictx;
filename = (char *)ictx->tf->file.name.data;
/* adjust image size */
ngx_http_small_light_calc_image_size(r, ctx, &sz, 10000.0, 10000.0);
if (sz.jpeghint_flg != 0) {
if (ngx_http_small_light_load_jpeg((void**)&data, &w, &h, r, filename, sz.dw, sz.dh) != NGX_OK) {
image_org = imlib_load_image_immediately_without_cache(filename);
if (image_org == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to load image %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
} else {
image_org = imlib_create_image_using_data(w, h, data);
}
} else {
image_org = imlib_load_image_immediately_without_cache(filename);
if (image_org == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to load image %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
}
/* rotate. */
if (sz.angle) {
orientation = 0;
switch (sz.angle) {
case 90:
orientation = 1;
break;
case 180:
orientation = 2;
break;
case 270:
orientation = 3;
break;
default:
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"image not rotated. 'angle'(%d) must be 90 or 180 or 270. %s:%d",
sz.angle,
__FUNCTION__,
__LINE__);
break;
}
imlib_context_set_image(image_org);
imlib_image_orientate(orientation);
}
/* calc size. */
imlib_context_set_image(image_org);
iw = (double)imlib_image_get_width();
ih = (double)imlib_image_get_height();
ngx_http_small_light_calc_image_size(r, ctx, &sz, iw, ih);
/* pass through. */
if (sz.pt_flg != 0) {
ctx->of = ctx->inf;
return NGX_OK;
}
/* crop, scale. */
if (sz.scale_flg != 0) {
image_dst = imlib_create_cropped_scaled_image((int)sz.sx, (int)sz.sy, (int)sz.sw, (int)sz.sh, (int)sz.dw, (int)sz.dh);
imlib_context_set_image(image_org);
imlib_free_image();
} else {
image_dst = image_org;
}
if (image_dst == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"imlib_create_cropped_scaled_image failed. %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
/* create canvas then draw image to the canvas. */
if (sz.cw > 0.0 && sz.ch > 0.0) {
image_tmp = imlib_create_image(sz.cw, sz.ch);
if (image_tmp == NULL) {
imlib_context_set_image(image_dst);
imlib_free_image();
return NGX_ERROR;
}
imlib_context_set_image(image_tmp);
imlib_context_set_color(sz.cc.r, sz.cc.g, sz.cc.b, sz.cc.a);
imlib_image_fill_rectangle(0, 0, sz.cw, sz.ch);
imlib_blend_image_onto_image(image_dst, 255, 0, 0,
(int)sz.dw, (int)sz.dh, (int)sz.dx, (int)sz.dy, (int)sz.dw, (int)sz.dh);
imlib_context_set_image(image_dst);
imlib_free_image();
image_dst = image_tmp;
}
/* effects. */
sharpen = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "sharpen");
if (sharpen) {
radius = ngx_http_small_light_parse_int(sharpen);
if (radius > 0) {
imlib_context_set_image(image_dst);
imlib_image_sharpen(radius);
}
}
blur = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "blur");
if (blur) {
radius = ngx_http_small_light_parse_int(blur);
if (radius > 0) {
imlib_context_set_image(image_dst);
imlib_image_blur(radius);
}
}
/* border. */
if (sz.bw > 0.0 || sz.bh > 0.0) {
imlib_context_set_color(sz.bc.r, sz.bc.g, sz.bc.b, sz.bc.a);
imlib_context_set_image(image_dst);
if (sz.cw > 0.0 && sz.ch > 0.0) {
imlib_image_fill_rectangle(0, 0, sz.cw, sz.bh);
imlib_image_fill_rectangle(0, 0, sz.bw, sz.ch);
imlib_image_fill_rectangle(0, sz.ch - sz.bh, sz.cw, sz.bh);
imlib_image_fill_rectangle(sz.cw - sz.bw, 0, sz.bw, sz.ch);
} else {
imlib_image_fill_rectangle(0, 0, sz.dw, sz.bh);
imlib_image_fill_rectangle(0, 0, sz.bw, sz.ch);
imlib_image_fill_rectangle(0, sz.dh - sz.bh, sz.dw, sz.bh);
imlib_image_fill_rectangle(sz.dw - sz.bw, 0, sz.bw, sz.dh);
}
}
/* set params. */
imlib_context_set_image(image_dst);
q = ngx_http_small_light_parse_double(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "q"));
if (q > 0.0) {
imlib_image_attach_data_value("quality", NULL, q, NULL);
}
of = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "of");
if (ngx_strlen(of) > 0) {
type = ngx_http_small_light_type(of);
if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_NONE) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"of is invalid(%s) %s:%d",
of,
__FUNCTION__,
__LINE__);
of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
} else if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_WEBP) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"WebP is not supported %s:%d",
__FUNCTION__,
__LINE__);
of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
} else {
ictx->type = type;
}
imlib_image_set_format(of);
ctx->of = ngx_http_small_light_image_types[ictx->type - 1];
} else {
ext = ngx_http_small_light_image_exts[ictx->type - 1];
imlib_image_set_format(ext);
ctx->of = ctx->inf;
}
/* save image. */
imlib_save_image_with_error_return(filename, &err);
imlib_free_image();
/* check error. */
if (err != IMLIB_LOAD_ERROR_NONE) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to imlib_save_error %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
if (ngx_file_info(filename, &fi) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to ngx_file_info %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
fd = ngx_open_file(filename, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0);
if (fd == NGX_INVALID_FILE) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to open fd %s:%d",
__FUNCTION__,
__LINE__);
return NGX_ERROR;
}
if (ngx_fd_info(fd, &fi) == NGX_FILE_ERROR) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to ngx_fd_info %s:%d",
__FUNCTION__,
__LINE__);
ngx_close_file(fd);
return NGX_ERROR;
}
buf = ngx_palloc(r->pool, ngx_file_size(&fi));
if (buf == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to allocate memory from r->pool %s:%d",
__FUNCTION__,
__LINE__);
ngx_close_file(fd);
return NGX_ERROR;
}
size = ngx_read_fd(fd, buf, ngx_file_size(&fi));
if (size == -1) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to ngx_read_fd %s:%d",
__FUNCTION__,
__LINE__);
ngx_close_file(fd);
return NGX_ERROR;
}
if ((size_t)size > ctx->content_length) {
ctx->content = ngx_palloc(r->pool, size);
if (ctx->content == NULL) {
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
"failed to allocate memory from r->pool %s:%d",
__FUNCTION__,
__LINE__);
ngx_close_file(fd);
return NGX_ERROR;
}
}
ngx_memcpy(ctx->content, buf, size);
ngx_close_file(fd);
ctx->content_length = size;
return NGX_OK;
}
int
main(int argc, char **argv)
{
int w, h;
Imlib_Image im_bg = NULL;
XEvent ev;
KeySym keysym;
static char kbuf[20];
ImlibPolygon poly, poly1, poly2;
const char *display_name = getenv("DISPLAY");
/**
* First tests to determine which rendering task to perform
*/
if (display_name == NULL)
display_name = ":0";
disp = XOpenDisplay(display_name);
if (disp == NULL)
{
fprintf(stderr, "Can't open display %s\n", display_name);
return 1;
}
vis = DefaultVisual(disp, DefaultScreen(disp));
depth = DefaultDepth(disp, DefaultScreen(disp));
cm = DefaultColormap(disp, DefaultScreen(disp));
win =
XCreateSimpleWindow(disp, DefaultRootWindow(disp), 0, 0, 100, 100, 0, 0,
0);
XSelectInput(disp, win,
ButtonPressMask | ButtonReleaseMask | ButtonMotionMask |
PointerMotionMask | ExposureMask | KeyPressMask);
XMapWindow(disp, win);
/**
* Start rendering
*/
imlib_context_set_display(disp);
imlib_context_set_visual(vis);
imlib_context_set_colormap(cm);
imlib_context_set_drawable(win);
imlib_context_set_blend(0);
imlib_context_set_color_modifier(NULL);
imlib_context_set_blend(0);
im_bg = imlib_create_image(400, 400);
imlib_context_set_image(im_bg);
w = imlib_image_get_width();
h = imlib_image_get_height();
imlib_context_set_color(0, 0, 0, 255);
imlib_image_fill_rectangle(0, 0, w, h);
XResizeWindow(disp, win, w, h);
XSync(disp, False);
poly = imlib_polygon_new();
imlib_polygon_add_point(poly, 20, 20);
imlib_polygon_add_point(poly, 70, 20);
imlib_polygon_add_point(poly, 70, 70);
imlib_polygon_add_point(poly, 20, 70);
poly1 = imlib_polygon_new();
imlib_polygon_add_point(poly1, 100, 20);
imlib_polygon_add_point(poly1, 190, 100);
imlib_polygon_add_point(poly1, 120, 70);
poly2 = imlib_polygon_new();
imlib_polygon_add_point(poly2, 290, 20);
imlib_polygon_add_point(poly2, 200, 100);
imlib_polygon_add_point(poly2, 270, 70);
while (1)
{
do
{
XNextEvent(disp, &ev);
switch (ev.type)
{
case ButtonRelease:
exit(0);
break;
case KeyPress:
XLookupString(&ev.xkey, (char *)kbuf, sizeof(kbuf), &keysym,
NULL);
switch (*kbuf)
{
case ' ':
imlib_context_set_anti_alias
(!imlib_context_get_anti_alias());
printf("AA is %s\n",
imlib_context_get_anti_alias()? "on" : "off");
break;
case 'q':
exit(0);
default:
break;
}
break;
default:
break;
}
}
while (XPending(disp));
imlib_context_set_image(im_bg);
imlib_context_set_color(0, 0, 0, 255);
imlib_image_fill_rectangle(0, 0, w, h);
imlib_context_set_color(255, 255, 255, 255);
imlib_image_fill_polygon(poly);
imlib_image_fill_polygon(poly1);
imlib_image_fill_polygon(poly2);
imlib_render_image_on_drawable(0, 0);
}
return 0;
}
int main (int argc, char **argv)
{
Visual *vis;
Colormap cm;
Display *_display;
Imlib_Context context;
Imlib_Image image;
Pixmap pixmap;
Imlib_Color_Modifier modifier = NULL;
_display = XOpenDisplay (NULL);
int width, height, depth, i, alpha;
char str1[40];
char str2[40];
char str3[40];
char str4[40];
char str5[40];
int ck0;
int w, h;
w = 0;
h = 0;
char strA1[30] = "hwe";
char strA2[30] = "hwer";
const char jpg[15] = "jpg"; //1
const char png[15] = "png"; //2
char *A1;
char *A2;
strcpy(strA1, argv[argc-1]);
strcpy(strA2, strA1);
A1 = strstr(strA1, jpg);
A2 = strstr(strA2, png);
//check to be sure image format is written right or abort
checkForNull(A1, A2);
for (screen = 0; screen < ScreenCount (_display); screen++)
{
display = XOpenDisplay (NULL);
context = imlib_context_new ();
imlib_context_push (context);
imlib_context_set_display (display);
vis = DefaultVisual (display, screen);
cm = DefaultColormap (display, screen);
width = DisplayWidth (display, screen);
height = DisplayHeight (display, screen);
depth = DefaultDepth (display, screen);
pixmap =
XCreatePixmap (display, RootWindow (display, screen),
width, height, depth);
imlib_context_set_visual (vis);
imlib_context_set_colormap (cm);
imlib_context_set_drawable (pixmap);
imlib_context_set_color_range (imlib_create_color_range ());
image = imlib_create_image (width, height);
imlib_context_set_image (image);
printf("1\n");
imlib_context_set_color (0, 0, 0, 255);
imlib_image_fill_rectangle (0, 0, width, height);
imlib_context_set_dither (1);
imlib_context_set_blend (1);
printf("2\n");
alpha = 255;
for (i = 1; i < argc; i++)
{
if (modifier != NULL)
{
imlib_apply_color_modifier ();
imlib_free_color_modifier ();
}
modifier = imlib_create_color_modifier ();
imlib_context_set_color_modifier (modifier);
if (strcmp (argv[i], "-alpha") == 0)
{
if ((++i) >= argc)
{
fprintf (stderr, "Missing alpha\n");
continue;
}
if (sscanf (argv[i], "%i", &alpha) == 0)
{
fprintf (stderr, "Bad alpha (%s)\n", argv[i]);
continue;
}
}
else if (strcmp (argv[i], "-solid") == 0)
{
Color c;
if ((++i) >= argc)
{
fprintf (stderr, "Missing color\n");
continue;
}
if (parse_color (argv[i], &c, alpha) == 1)
{
fprintf (stderr, "Bad color (%s)\n", argv[i]);
continue;
}
imlib_context_set_color (c.r, c.g, c.b, c.a);
imlib_image_fill_rectangle (0, 0, width, height);
}
else if (strcmp (argv[i], "-clear") == 0)
{
imlib_free_color_range ();
imlib_context_set_color_range (imlib_create_color_range ());
}
else if (strcmp (argv[i], "-add") == 0)
{
Color c;
if ((++i) >= argc)
{
fprintf (stderr, "Missing color\n");
continue;
}
if (parse_color (argv[i], &c, alpha) == 1)
{
fprintf (stderr, "Bad color (%s)\n", argv[i - 1]);
continue;
}
imlib_context_set_color (c.r, c.g, c.b, c.a);
imlib_add_color_to_color_range (1);
}
else if (strcmp (argv[i], "-addd") == 0)
{
Color c;
int distance;
if ((++i) >= argc)
{
fprintf (stderr, "Missing color\n");
continue;
}
if ((++i) >= argc)
{
fprintf (stderr, "Missing distance\n");
continue;
}
if (parse_color (argv[i - 1], &c, alpha) == 1)
{
fprintf (stderr, "Bad color (%s)\n", argv[i - 1]);
continue;
}
if (sscanf (argv[i], "%i", &distance) == 1)
{
fprintf (stderr, "Bad distance (%s)\n", argv[i]);
continue;
}
imlib_context_set_color (c.r, c.g, c.b, c.a);
imlib_add_color_to_color_range (distance);
}
else if (strcmp (argv[i], "-gradient") == 0)
{
int angle;
if ((++i) >= argc)
{
fprintf (stderr, "Missing angle\n");
continue;
}
if (sscanf (argv[i], "%i", &angle) == 1)
{
fprintf (stderr, "Bad angle (%s)\n", argv[i]);
continue;
}
imlib_image_fill_color_range_rectangle (0, 0, width, height,
angle);
}
else if (strcmp (argv[i], "-fill") == 0)
{
if ((++i) >= argc)
{
fprintf (stderr, "Missing image\n");
continue;
}
if ( load_Mod_image(Fill, argv[i], width, height, alpha, image, ck0) == 1)
{
fprintf (stderr, "Bad image (%s)\n", argv[i]);
continue;
}
}
else if (strcmp (argv[i], "-dia") == 0)
{
if((++i) >= argc)
{
fprintf(stderr, "missing Dia, and Image\n");
continue;
}
strcpy (str1, argv[i]);
strcpy (str2, str1);
if ( findX(str1, &w, &h) == 1 )
{
fprintf(stderr, " Bad Format\n");
continue;
}
else if (findX(str2, &w, &h) == 0 && ((++i) >= argc))
{
fprintf(stderr, "Missing Image\n");
continue;
}
else
{
//if format is correct then assign a number for
//load_Mod_Image to check
ck0 = -2;
w = w;
h = h;
}
if( load_Mod_image(Dia, argv[i], w, h, alpha, image, ck0) == 1 )
{
fprintf(stderr, "Bad Image or Bad Image Dimensions \n");
}
}
else if (strcmp (argv[i], "-tile") == 0)
{
if ((++i) >= argc)
{
fprintf(stderr, "format 0 missing \n");
continue;
}
strcpy (str1, argv[i]);
strcpy (str2, str1);
strcpy (str3, str2);
strcpy (str4, str3);
strcpy (str5, str4);
if ( findX(str1, &w, &h) == 3 && ((++i) >= argc))
{
fprintf(stderr, "missing Image\n");
continue;
} //check to see if format is -tile 0
else if (findX(str2, &w, &h) == 3)
{
ck0 = 3;
if( load_Mod_image(Tile, argv[i], width, height, alpha, image, ck0) == 1 )
{
fprintf(stderr, "Bad Image or Bad Image Dimensions \n");
continue;
}
}
if (findX(str3, &w, &h) == 1)
{
fprintf(stderr, "bad format\n");
continue;
}
if (findX(str4, &w, &h) == 0 && ((++i) >= argc))
{
fprintf(stderr, "missing something again\n");
continue;
}
if (findX (str5, &w, &h) == 0 )
{
ck0 = 2;
w = w;
h = h;
}
if( load_Mod_image(Tile, argv[i], w, h, alpha, image, ck0) == 1 )
{
fprintf(stderr, "Bad Image or Bad Image Dimension\n");
}
}
else if (strcmp (argv[i], "-center") == 0)
{
if ((++i) >= argc)
{
fprintf (stderr, "Missing image\n");
continue;
}
if (load_Mod_image (Center, argv[i], width, height, alpha, image, ck0) == 1)
{
fprintf (stderr, "Bad image (%s)\n", argv[i]);
continue;
}
}
else if (strcmp (argv[i], "-tint") == 0)
{
Color c;
DATA8 r[256], g[256], b[256], a[256];
int j;
if ((++i) >= argc)
{
fprintf (stderr, "Missing color\n");
continue;
}
if (parse_color (argv[i], &c, 255) == 1)
{
fprintf (stderr, "Bad color\n");
continue;
}
imlib_get_color_modifier_tables (r, g, b, a);
for (j = 0; j < 256; j++)
{
r[j] = (DATA8) (((double) r[j] / 255.0) * (double) c.r);
g[j] = (DATA8) (((double) g[j] / 255.0) * (double) c.g);
b[j] = (DATA8) (((double) b[j] / 255.0) * (double) c.b);
}
imlib_set_color_modifier_tables (r, g, b, a);
}
else if (strcmp (argv[i], "-blur") == 0)
{
int intval;
if ((++i) >= argc)
{
fprintf (stderr, "Missing value\n");
continue;
}
if (sscanf (argv[i], "%i", &intval) == 1)
{
fprintf (stderr, "Bad value (%s)\n", argv[i]);
continue;
}
imlib_image_blur (intval);
}
else if (strcmp (argv[i], "-sharpen") == 0)
{
int intval;
if ((++i) >= argc)
{
fprintf (stderr, "Missing value\n");
continue;
}
if (sscanf (argv[i], "%i", &intval) == 1)
{
fprintf (stderr, "Bad value (%s)\n", argv[i]);
continue;
}
imlib_image_sharpen (intval);
}
else if (strcmp (argv[i], "-contrast") == 0)
{
double dblval;
if ((++i) >= argc)
{
fprintf (stderr, "Missing value\n");
continue;
}
if (sscanf (argv[i], "%lf", &dblval) == 1)
{
fprintf (stderr, "Bad value (%s)\n", argv[i]);
continue;
}
imlib_modify_color_modifier_contrast (dblval);
}
else if (strcmp (argv[i], "-brightness") == 0)
{
double dblval;
if ((++i) >= argc)
{
fprintf (stderr, "Missing value\n");
continue;
}
if (sscanf (argv[i], "%lf", &dblval) == 1)
{
fprintf (stderr, "Bad value (%s)\n", argv[i]);
continue;
}
imlib_modify_color_modifier_brightness (dblval);
}
else if (strcmp (argv[i], "-gamma") == 0)
{
double dblval;
if ((++i) >= argc)
{
fprintf (stderr, "Missing value\n");
continue;
}
if (sscanf (argv[i], "%lf", &dblval) == 1)
{
fprintf (stderr, "Bad value (%s)\n", argv[i]);
continue;
}
imlib_modify_color_modifier_gamma (dblval);
}
else if (strcmp (argv[i], "-flipv") == 0)
{
imlib_image_flip_vertical ();
}
else if (strcmp (argv[i], "-fliph") == 0)
{
imlib_image_flip_horizontal ();
}
else if (strcmp (argv[i], "-flipd") == 0)
{
imlib_image_flip_diagonal ();
}
else if (strcmp (argv[i], "-write") == 0)
{
if ((++i) >= argc)
{
fprintf (stderr, "Missing filename\n");
continue;
}
imlib_save_image (argv[i]);
}
else
{
usage (argv[0]);
imlib_free_image ();
imlib_free_color_range ();
if (modifier != NULL)
{
imlib_context_set_color_modifier (modifier);
imlib_free_color_modifier ();
modifier = NULL;
}
XFreePixmap (display, pixmap);
exit (1);
} // end else
} // end loop off of argc
if (modifier != NULL)
{
imlib_context_set_color_modifier (modifier);
imlib_apply_color_modifier ();
imlib_free_color_modifier ();
modifier = NULL;
}
imlib_render_image_on_drawable (0, 0);
imlib_free_image ();
imlib_free_color_range ();
if (setRootAtoms (pixmap) == 0)
fprintf (stderr, "Couldn't create atoms...\n");
XKillClient (display, AllTemporary);
XSetCloseDownMode (display, RetainTemporary);
XSetWindowBackgroundPixmap (display, RootWindow (display, screen),
pixmap);
XClearWindow (display, RootWindow (display, screen));
XFlush (display);
XSync (display, False);
imlib_context_pop ();
imlib_context_free (context);
} // end for loop off screen
// } // frist if statment at start of main
return 0;
}
/* draw background to root */
void
drawbg(void) {
int i, w, h, nx, ny, nh, nw, tmp;
double factor;
Pixmap pm;
Imlib_Image tmpimg, buffer;
pm = XCreatePixmap(dpy, root, sw, sh,
DefaultDepth(dpy, DefaultScreen(dpy)));
if(!(buffer = imlib_create_image(sw, sh)))
die("Error: Cannot allocate buffer.\n");
imlib_context_set_image(buffer);
imlib_image_fill_rectangle(0, 0, sw, sh);
imlib_context_set_blend(1);
for(i = 0; i < nmonitor; i++) {
imlib_context_set_image(images[i % nimage]);
w = imlib_image_get_width();
h = imlib_image_get_height();
if(!(tmpimg = imlib_clone_image()))
die("Error: Cannot clone image.\n");
imlib_context_set_image(tmpimg);
if(rotate && ((monitors[i].w > monitors[i].h && w < h) ||
(monitors[i].w < monitors[i].h && w > h))) {
imlib_image_orientate(1);
tmp = w;
w = h;
h = tmp;
}
imlib_context_set_image(buffer);
switch(mode) {
case ModeCenter:
nw = (monitors[i].w - w) / 2;
nh = (monitors[i].h - h) / 2;
nx = monitors[i].x + (monitors[i].w - nw) / 2;
ny = monitors[i].y + (monitors[i].h - nh) / 2;
break;
case ModeZoom:
nw = monitors[i].w;
nh = monitors[i].h;
if(w > h && (w / h > (monitors[i].w / monitors[i].h))) {
nx = monitors[i].x + (monitors[i].w - nw) / 2;
ny = monitors[i].y + (int)ceil(h * nx / w) / 2;
}
else {
ny = monitors[i].y + (monitors[i].h - nh) / 2;
nx = monitors[i].x + (int)ceil(w * ny / h) / 2;
}
break;
default: /* ModeScale */
factor = MAX((double)w / monitors[i].w,
(double)h / monitors[i].h);
nw = w / factor;
nh = h / factor;
nx = monitors[i].x + (monitors[i].w - nw) / 2;
ny = monitors[i].y + (monitors[i].h - nh) / 2;
}
imlib_blend_image_onto_image(tmpimg, 0, 0, 0, w, h,
nx, ny, nw, nh);
imlib_context_set_image(tmpimg);
imlib_free_image();
}
imlib_context_set_blend(0);
imlib_context_set_image(buffer);
imlib_context_set_drawable(root);
imlib_render_image_on_drawable(0, 0);
imlib_context_set_drawable(pm);
imlib_render_image_on_drawable(0, 0);
XSetWindowBackgroundPixmap(dpy, root, pm);
imlib_context_set_image(buffer);
imlib_free_image_and_decache();
XFreePixmap(dpy, pm);
}
