diff options
Diffstat (limited to 'w3mimg/fb/fb.c')
| -rw-r--r-- | w3mimg/fb/fb.c | 118 |
1 files changed, 110 insertions, 8 deletions
diff --git a/w3mimg/fb/fb.c b/w3mimg/fb/fb.c index 526441a..dca5832 100644 --- a/w3mimg/fb/fb.c +++ b/w3mimg/fb/fb.c @@ -1,4 +1,4 @@ -/* $Id: fb.c,v 1.4 2002/07/22 16:17:32 ukai Exp $ */ +/* $Id: fb.c,v 1.5 2002/07/29 15:25:37 ukai Exp $ */ /************************************************************************** fb.c 0.3 Copyright (C) 2002, hito **************************************************************************/ @@ -118,6 +118,8 @@ fb_close(void) is_open = FALSE; } +/*********** fb_image_* ***********/ + FB_IMAGE * fb_image_new(int width, int height) { @@ -126,19 +128,24 @@ fb_image_new(int width, int height) if (is_open != TRUE) return NULL; - if (width > IMAGE_SIZE_MAX || height > IMAGE_SIZE_MAX) + if (width > IMAGE_SIZE_MAX || height > IMAGE_SIZE_MAX || width < 1 + || height < 1) return NULL; image = malloc(sizeof(*image)); if (image == NULL) return NULL; - image->data = malloc(width * height * pixel_size); + image->data = calloc(sizeof(*(image->data)), width * height * pixel_size); if (image->data == NULL) { free(image); return NULL; } + image->num = 1; + image->id = 0; + image->delay = 0; + image->width = width; image->height = height; image->rowstride = width * pixel_size; @@ -171,15 +178,33 @@ fb_image_pset(FB_IMAGE * image, int x, int y, int r, int g, int b) offset = image->rowstride * y + pixel_size * x; - work = ((r >> (CHAR_BIT - vscinfo.red.length)) << vscinfo.red. - offset) + - ((g >> (CHAR_BIT - vscinfo.green.length)) << vscinfo.green. - offset) + + work = + ((r >> (CHAR_BIT - vscinfo.red.length)) << vscinfo.red.offset) + + ((g >> (CHAR_BIT - vscinfo.green.length)) << vscinfo.green.offset) + ((b >> (CHAR_BIT - vscinfo.blue.length)) << vscinfo.blue.offset); memcpy(image->data + offset, &work, pixel_size); } +void +fb_image_fill(FB_IMAGE * image, int r, int g, int b) +{ + unsigned long work; + int offset; + + if (image == NULL || is_open != TRUE) + return; + + work = + ((r >> (CHAR_BIT - vscinfo.red.length)) << vscinfo.red.offset) + + ((g >> (CHAR_BIT - vscinfo.green.length)) << vscinfo.green.offset) + + ((b >> (CHAR_BIT - vscinfo.blue.length)) << vscinfo.blue.offset); + + for (offset = 0; offset < image->len; offset += pixel_size) { + memcpy(image->data + offset, &work, pixel_size); + } +} + int fb_image_draw(FB_IMAGE * image, int x, int y, int sx, int sy, int width, int height) @@ -191,6 +216,12 @@ fb_image_draw(FB_IMAGE * image, int x, int y, int sx, int sy, int width, x > fb_width() || y > fb_height()) return 1; + if (sx + width > image->width) + width = image->width - sx; + + if (sy + height > image->height) + height = image->height - sy; + if (x + width > fb_width()) width = fb_width() - x; @@ -209,7 +240,7 @@ fb_image_draw(FB_IMAGE * image, int x, int y, int sx, int sy, int width, } void -fb_image_rotete(FB_IMAGE * image, int direction) +fb_image_rotate(FB_IMAGE * image, int direction) { unsigned char *src, *dest, *tmp; int x, y, i, ofst; @@ -253,6 +284,77 @@ fb_image_rotete(FB_IMAGE * image, int direction) } void +fb_image_copy(FB_IMAGE * dest, FB_IMAGE * src) +{ + if (dest == NULL || src == NULL) + return; + + if (dest->len != src->len) + return; + + memcpy(dest->data, src->data, src->len); +} + +/*********** fb_frame_* ***********/ + +FB_IMAGE ** +fb_frame_new(int w, int h, int n) +{ + FB_IMAGE **frame; + int i, error = 0; + + if (w > IMAGE_SIZE_MAX || h > IMAGE_SIZE_MAX || w < 1 || h < 1 || n < 1) + return NULL; + + frame = malloc(sizeof(*frame) * n); + if (frame == NULL) + return NULL; + + for (i = 0; i < n; i++) { + frame[i] = fb_image_new(w, h); + frame[i]->num = n; + frame[i]->id = i; + frame[i]->delay = 1000; + if (frame[i] == NULL) + error = 1; + } + + if (error) { + fb_frame_free(frame); + return NULL; + } + + return frame; +} + + +void +fb_frame_free(FB_IMAGE ** frame) +{ + int i, n; + + if (frame == NULL) + return; + + n = frame[0]->num; + for (i = 0; i < n; i++) { + fb_image_free(frame[i]); + } + free(frame); +} + +void +fb_frame_rotate(FB_IMAGE ** frame, int direction) +{ + int i, n; + + n = frame[0]->num; + for (i = 0; i < n; i++) { + fb_image_rotate(frame[i], direction); + } +} + +void fb_pset(int x, int y, int r, int g, int b) { unsigned long work; |