reader_gui.c
资源名称:lread.rar [点击查看]
上传用户:holyzs
上传日期:2022-06-29
资源大小:2335k
文件大小:2k
源码类别:
编辑器/阅读器
开发平台:
C/C++
- #include <reader_core.h>
- void reader_lineto(screen_t screen, int x1, int y1, int x2, int y2, color_t color) {
- int from, to, x, y;
- if (x1 == x2) {
- if (y1 > y2) {
- from = y2;
- to = y1;
- } else {
- from = y1;
- to = y2;
- }
- for (y = from; y <= to; y++) {
- reader_setpixel(screen, x1, y, color);
- }
- }
- if (y1 == y2) {
- if (x1 > x2) {
- from = x2;
- to = x1;
- } else {
- from = x1;
- to = x2;
- }
- for (x = from; x <= to; x++) {
- reader_setpixel(screen, x, y1, color);
- }
- }
- }
- void reader_rectangle(screen_t screen, int x1, int y1, int x2, int y2, color_t color, int fill) {
- int left_x, right_x, up_y, down_y;
- //draw border
- reader_lineto(screen, x1, y1, x2, y1, color);
- reader_lineto(screen, x1, y1, x1, y2, color);
- reader_lineto(screen, x2, y1, x2, y2, color);
- reader_lineto(screen, x1, y2, x2, y2, color);
- if (fill) {
- if (x1 > x2) {
- left_x = x2;
- right_x = x1;
- } else {
- right_x = x2;
- left_x = x1;
- }
- if (y1 > y2) {
- up_y = y2;
- down_y = y1;
- } else {
- down_y = y2;
- up_y = y1;
- }
- //borader already drawn
- left_x ++;
- right_x --;
- while (up_y ++ < down_y) {
- reader_lineto(screen, left_x, up_y, right_x, up_y, color);
- }
- }
- }
- void reader_caption(screen_t screen, unsigned short *str) {
- //draw caption bg
- reader_rectangle(screen, 0, DEFAULT_HEADER_BLANK, READER_SCREEN_WIDTH - 1,
- DEFAULT_FONT_SIZE + DEFAULT_HEADER_BLANK, READER_COLOR_BLUE, 1);
- //draw caption text
- //prompt
- reader_textout_ex(screen, 0, DEFAULT_HEADER_BLANK, str, reader_wcslen(str),
- DEFAULT_FONT_SIZE, READER_COLOR_YELLOW, 0);
- }
- void reader_arrow(screen_t screen, int x, int y, int size, arrow_pointer_t ap, color_t color) {
- int i = 0, x0, y0, y_lim;
- if (ap == LEFT_POINTER) {
- for (i = 0; i < size; i ++) {
- y_lim = y + i;
- x0 = x + i;
- for (y0 = y - i; y0 < y_lim; y0 ++) {
- reader_setpixel(screen, x0, y0, color);
- }
- }
- } else {
- for (i = 0; i < size; i ++) {
- y_lim = y + i;
- x0 = x - i;
- for (y0 = y - i; y0 < y_lim; y0 ++) {
- reader_setpixel(screen, x0, y0, color);
- }
- }
- }
- }