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102 lines
2.1 KiB
Plaintext
102 lines
2.1 KiB
Plaintext
+--------+
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| r_cons |
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+--------+
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r_cons_fb
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r_cons_frame
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r_cons_frame_add
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r_cons_frame_del
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struct r_cons_frame_t {
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int w, h; // should be the same as text|draw->w and text|draw->h
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int rw, rh;
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struct r_cons_buffer_t *text;
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struct r_cons_buffer_t *draw;
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struct
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};
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struct r_cons_buffer_t {
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int alpha; /* ' ' chars in buffers are not written */
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int w, h;
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ut8 *buf;
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};
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struct r_cons_t {
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struct r_cons_buffer_t *b;
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int w, h;
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struct list_head frames;
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};
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struct r_cons_frame_t *r_cons_frame_new(int x, int y, int w, int h)
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{
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struct r_cons_frame_t *f = R_NEW(struct r_cons_frame_t);
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f->text = r_cons_buffer_new(w, h);
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f->draw = r_cons_buffer_new(w, h);
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f->w = w;
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f->h = h;
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return f;
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}
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void r_cons_frame_add(struct r_cons_t *cons, struct r_cons_frame_t *f, int head)
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{
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if (head) list_add(&(f->list), &cons->frames);
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else list_add_tail(&(f->list), &cons->frames);
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}
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int r_cons_frame_render(struct r_cons_frame_t *frame, struct r_cons_buffer_t *buf)
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{
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/* foreach pixel resolve matching frame (Z-ordered) and draw */
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}
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/* <{:api-prefix r_cons_}> */
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/* <{:doc Draws a line between two points in a buffer}> */
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/* <{:api int,buffer_line,int,int,int,int}> */
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void r_cons_buffer_line(struct r_cons_buffer_t *buf, int x0, int y0, int x1, int y1)
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{
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/* XXX PURE SHIT */
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char onechars[9] = {
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'.', '_',',',
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'\\', '|','/',
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'\'', '^','\'',
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};
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double x = x0;
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double y = y0;
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double xi = x1-x0;
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double yi = y1-y0;
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for(;x<x1;x++) {
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r_cons_buffer_putch(buf, x, y, '.');
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x+=xi;
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}
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}
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/* buffers */
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struct r_cons_buffer *r_cons_buffer_new(int w, int h)
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{
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struct r_cons_buffer_t *buf = R_NEW(struct r_cons_buffer_t);
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if (w<1) w=1;
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if (h<1) h=1;
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buf->rw = buf->w = w;
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buf->rh = buf->h = h;
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buf->buf = (ut8*)malloc(w*h);
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return buf;
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}
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int r_cons_buffer_set_size(struct r_cons_buffer *buf, int w, int h)
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{
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struct r_cons_buffer_t *buf = R_NEW(struct r_cons_buffer_t);
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if (w<1) w=1;
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if (h<1) h=1;
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if (w>buf->rw) {
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/* must resize internal buffer */
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buf->rw = w;
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buf->buf = (ut8*) realloc(buf->buf, w*h);
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}
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buf->rw = buf->w = w;
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buf->rh = buf->h = h;
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buf->buf = (ut8*)malloc(w*h);
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return buf;
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}
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