static void set_window_icon() {
fs_log("setting _NET_WM_ICON from icon images\n");
int max_size = (16 * 16 + 32 * 32 + 48 * 48 + 64 * 64 + 128 * 128) * \
sizeof(unsigned long);
// add space for width, height cardinals
max_size += 2 * 5 * sizeof(unsigned long);
unsigned long *icon_data = (unsigned long *) g_malloc(max_size);
unsigned long *op = icon_data;
int card_count = 0;
int sizes[] = {128, 64, 48, 32, 16, 0};
for(int *size = sizes; *size; size++) {
char *rel = g_strdup_printf("icons/hicolor/%dx%d/apps/fs-uae.png",
*size, *size);
char *path = fs_get_data_file(rel);
g_free(rel);
if (!path) {
fs_log("did not find icon for %dx%d\n", *size, *size);
continue;
}
fs_image *image = fs_image_new_from_file(path);
if (!image) {
fs_log("could not load icon from %s\n", path);
continue;
}
g_free(path);
//printf("%d\n", image->width);
int pixel_count = image->width * image->height;
unsigned char *p = image->data;
*op++ = image->width;
*op++ = image->height;
for (int i = 0; i < pixel_count; i++) {
//*op = 0xffff0000;
*op = (((unsigned long) p[3]) << 24) |
(p[0] << 16) |
(p[1] << 8) |
p[2];
p += 4;
op++;
}
card_count += 2 + pixel_count;
fs_unref(image);
// FIXME
}
Atom _NET_WM_ICON = XInternAtom(g_display, "_NET_WM_ICON", False);
XChangeProperty(g_display, g_window, _NET_WM_ICON, XA_CARDINAL, 32,
PropModeReplace, (unsigned char *) icon_data, card_count);
g_free(icon_data);
}
static fs_image *load_font_from_file(const char *path)
{
if (path == NULL) {
fs_emu_warning(_("Could not find font: %s"), path);
return NULL;
}
fs_emu_log("loading image \"%s\"\n", path);
fs_image *image = fs_image_new_from_file(path);
if (image == NULL) {
fs_emu_warning(_("Error loading font: %s"), path);
return NULL;
}
convert_to_premultiplied_alpha(image);
return image;
}
fs_image *load_font_from_file(const char *name) {
char *full_name = g_strconcat(name, ".png", NULL);
//char *path = g_build_filename(fs_emu_get_share_dir(), full_name, NULL);
char *path = fs_get_program_data_file(full_name);
if (path == NULL) {
fs_emu_warning("Could not find font %s", full_name);
return NULL;
}
fs_emu_log("loading image \"%s\"\n", path);
fs_image *image = fs_image_new_from_file(path);
g_free(path);
if (image == NULL) {
fs_emu_warning("Error loading font from %s", full_name);
g_free(full_name);
return NULL;
}
g_free(full_name);
// convert to premultiplied alpha
if (image->format == FS_IMAGE_FORMAT_RGBA) {
int num_pixels = image->width * image->height;
unsigned char *pixels = image->data;
for (int i = 0; i < num_pixels; i++) {
unsigned char alpha = pixels[3];
// should really divide by 255, but 256 is faster...
//pixels[0] = ((int) pixels[0]) * alpha / 256;
//pixels[1] = ((int) pixels[1]) * alpha / 256;
//pixels[2] = ((int) pixels[2]) * alpha / 256;
pixels[0] = ((int) pixels[0]) * alpha / 255;
pixels[1] = ((int) pixels[1]) * alpha / 255;
pixels[2] = ((int) pixels[2]) * alpha / 255;
//pixels[0] = (unsigned char) ((pixels[0] * alpha + 0.5) / 255.0);
//pixels[1] = (unsigned char) ((pixels[1] * alpha + 0.5) / 255.0);
//pixels[2] = (unsigned char) ((pixels[2] * alpha + 0.5) / 255.0);
pixels += 4;
}
}
return image;
}
fs_emu_texture *fs_emu_texture_new_from_file(const char *name) {
char *full_name;
char *path;
if (fs_path_exists(name)) {
full_name = fs_strdup(name);
path = fs_strdup(name);
}
else {
full_name = fs_strconcat(name, ".png", NULL);
path = fs_get_program_data_file(full_name);
if (path == NULL) {
fs_emu_warning("Could not find texture %s\n", full_name);
return NULL;
}
}
fs_image *image = fs_image_new_from_file(path);
fs_emu_log("loading texture \"%s\"\n", path);
free(path);
if (image == NULL) {
fs_emu_warning("Could not load texture from %s\n", full_name);
free(full_name);
return NULL;
}
free(full_name);
if (fs_emu_get_video_format() == FS_EMU_VIDEO_FORMAT_BGRA) {
// convert to premultiplied alpha
if (image->format == FS_IMAGE_FORMAT_RGBA) {
int num_pixels = image->width * image->height;
unsigned char *pixels = image->data;
for (int i = 0; i < num_pixels; i++) {
unsigned char alpha = pixels[3];
unsigned char temp = pixels[2];
pixels[2] = ((int) pixels[0]) * alpha / 255;
pixels[1] = ((int) pixels[1]) * alpha / 255;
pixels[0] = ((int) temp) * alpha / 255;
pixels += 4;
}
}
else {
// FIXME: should swap R and B here...
}
}
else {
// convert to premultiplied alpha
if (image->format == FS_IMAGE_FORMAT_RGBA) {
int num_pixels = image->width * image->height;
unsigned char *pixels = image->data;
for (int i = 0; i < num_pixels; i++) {
unsigned char alpha = pixels[3];
// should really divide by 255, but 256 is faster...
//pixels[0] = ((int) pixels[0]) * alpha / 256;
//pixels[1] = ((int) pixels[1]) * alpha / 256;
//pixels[2] = ((int) pixels[2]) * alpha / 256;
pixels[0] = ((int) pixels[0]) * alpha / 255;
pixels[1] = ((int) pixels[1]) * alpha / 255;
pixels[2] = ((int) pixels[2]) * alpha / 255;
//pixels[0] = (unsigned char) ((pixels[0] * alpha + 0.5) / 255.0);
//pixels[1] = (unsigned char) ((pixels[1] * alpha + 0.5) / 255.0);
//pixels[2] = (unsigned char) ((pixels[2] * alpha + 0.5) / 255.0);
pixels += 4;
}
}
}
fs_emu_texture *texture = fs_new(fs_emu_texture, 1);
texture->width = image->width;
texture->height = image->height;
texture->image = image;
load_texture(texture);
fs_emu_set_texture(texture);
fs_gl_add_context_notification(context_notification_handler, texture);
return texture;
}
static void load_atlas_texture(fs_image *atlas_image,
int texture_id, const char *name) {
char *path = fs_emu_theme_get_resource(name);
if (!path) {
fs_emu_warning("Could not find resource %s\n", name);
return;
}
fs_image *image = fs_image_new_from_file(path);
if (!image) {
fs_emu_warning("error loading texture \"%s\"\n", name);
return;
}
fs_emu_log("loaded sub-texture from \"%s\"\n", path);
// find needed number of cells
int cw = (image->width + 7) / 8;
int ch = (image->height + 7) / 8;
// adding 1 to get some spacing between cells
if (cw < 128) {
cw++;
}
if (ch < 128) {
ch++;
}
// try to find space for it in the texture atlas using a simple
// brute-force search
int cx = 0;
int cy = 0;
int ok = 0;
for (cy = 0; cy <= 128 - ch; cy++) {
for (cx = 0; cx <= 128 - cw; cx++) {
if (check_placement(cx, cy, cw, ch)) {
ok = 1;
break;
}
}
if (ok) {
break;
}
}
if (!ok) {
fs_emu_warning("could not find space for \"%s\"\n", name);
//printf("%d %d %d %d\n", cx * 8, cy * 8, cw * 8, ch * 8);
return;
}
// mark cells as used
for (int y = cy; y < cy + ch; y++) {
for (int x = cx; x < cx + cw; x++) {
g_cells[y][x] = 1;
}
}
//printf("%d %d %d %d\n", cx * 8, cy * 8, cw * 8, ch * 8);
// copy sub-texture into texture, also converting to pre-multiplied
// alpha, and BGRA if needed. Also copy border pixels to pixels outside
// border to fix unwanted bilinear filtering effects
int dx = cx * 8;
int dy = cy * 8;
int ds = atlas_image->width * 4; // stride
unsigned char *dst = atlas_image->data + \
(dy * atlas_image->width + dx) * 4;
unsigned char *sp = image->data;
for (int y = 0; y < image->height; y++) {
#if 1
if (y == 0 && dy > 0) {
// repeat first line
unsigned char *dp = dst - ds;
for (int x = 0; x < image->width; x++) {
copy_pixel(&dp, &sp);
}
sp -= image->width * 4;
}
#endif
unsigned char *dp = dst;
for (int x = 0; x < image->width; x++) {
copy_pixel(&dp, &sp);
}
dst += 1024 * 4; // stride
#if 1
if (y == image->height - 1 && dy + y - 1 < atlas_image->height - 1) {
// repeat last line
sp -= image->width * 4;
unsigned char *dp = dst;
for (int x = 0; x < image->width; x++) {
copy_pixel(&dp, &sp);
}
}
#endif
}
// repeat left and right borders
uint32_t *idata = (uint32_t *) atlas_image->data;
int iwidth = atlas_image->width;
int y1 = dy;
int y2 = dy + image->height - 1;
if (y1 > 0) {
y1 -= 1;
}
if (y2 < atlas_image->height - 1) {
y2 += 1;
}
if (dx > 0) {
for (int y = y1; y <= y2; y++) {
idata[y * iwidth + dx - 1] = idata[y * iwidth + dx];
}
}
if (dx + image->width - 1 < atlas_image->width - 1) {
for (int y = y1; y <= y2; y++) {
idata[y * iwidth + dx + image->width - 1 + 1] = \
idata[y * iwidth + dx + image->width - 1];
}
}
// register texture coordinates
g_entries[texture_id].x = cx * 8;
g_entries[texture_id].y = cy * 8;
g_entries[texture_id].w = image->width;
g_entries[texture_id].h = image->height;
// and finally free the sub-texture image
fs_unref(image);
}