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Copy pathwindow.c
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359 lines (318 loc) · 8.43 KB
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/**
*************************************************************************
*
* window.c
* 2016-02-03 by zlq
*
*------------------------------------------------------------------------
* @brief 本文件包含了关于GUI的相关函数
*
*************************************************************************
*/
#include <miniOS/window.h>
#include <asm/io.h>
extern char font[4096]; /* 字体，汉字 */
/**
* @brief 初始化调色板
*
* @param None
* @return None
*/
void palette_init(void)
{
static uint8_t table_rgb[16 * 3] = {
0x00, 0x00, 0x00, /* 0: 黑 */
0xff, 0x00, 0x00, /* 1:亮红 */
0x00, 0xff, 0x00, /* 2:亮绿 */
0xff, 0xff, 0x00, /* 3:亮黄 */
0x00, 0x00, 0xff, /* 4:亮蓝 */
0xff, 0x00, 0xff, /* 5:亮紫 */
0x00, 0xff, 0xff, /* 6:浅亮蓝 */
0xff, 0xff, 0xff, /* 7:白 */
0xc6, 0xc6, 0xc6, /* 8:亮灰 */
0x84, 0x00, 0x00, /* 9:暗红 */
0x00, 0x84, 0x00, /* 10:暗绿 */
0x84, 0x84, 0x00, /* 11:暗黄 */
0x00, 0x00, 0x84, /* 12:暗青 */
0x84, 0x00, 0x84, /* 13:暗紫 */
0x00, 0x84, 0x84, /* 14:钱暗蓝 */
0x84, 0x84, 0x84 /* 15:暗灰 */
};
set_palette(0, 15, table_rgb);
return;
}
/**
* @brief 设置调色板
*
* @param[in] begin
* @param[in] end
* @param[in] rgb，写入调色板的数据
* @return None
*/
void set_palette(int begin, int end, uint8_t *rgb)
{
int i, eflags;
eflags = io_load_eflags(); /* 记录中断许可标志的值 */
io_cli(); /* 禁止中断 */
//设置调色板，具体步骤
io_out8(0x03c8, begin);
for (i = begin; i <= end; i++) {
io_out8(0x03c9, rgb[0] / 4);
io_out8(0x03c9, rgb[1] / 4);
io_out8(0x03c9, rgb[2] / 4);
rgb += 3;
}
io_store_eflags(eflags); /* 恢复中断许可标志的值 */
return;
}
/**
* @brief 绘制矩形
*
* @param[in] color，矩形的颜色
* @param[in] begin_x，开始的x坐标
* @param[in] begin_y，开始的y坐标
* @param[in] length_x，x轴的长度
* @param[in] length_y，y轴的长度
*
* @return None
*/
void draw_rectangle(unsigned char *vram, uint8_t color, int begin_x, int begin_y, int length_x, int length_y)
{
int x, y;
for (y = begin_y; y < begin_y + length_y; y++) {
for (x = begin_x;x < begin_x + length_x;x++) {
vram[y*SCRNX + x] = color;
}
}
return;
}
/**
* @brief 根据指定的数据，绘制图形
*
* @param[in] begin_x，开始的x坐标
* @param[in] begin_y，开始的y坐标
* @param[in] length_x，x轴的长度
* @param[in] length_y，y轴的长度
* @param[in] buf，指定数据的内存空间
*
* @return None
*/
void draw_block(int begin_x, int begin_y, int length_x, int length_y, char *buf)
{
int x, y;
for (y = 0; y < length_y; y++) {
for (x = 0; x < length_x; x++) {
VRAM_ADDR[(y + begin_y)*SCRNX + (x + begin_x)] = buf[y*16 + x];
}
}
return;
}
/**
* @brief 桌面初始化
*
* @param None
* @return None
*/
void desktop_init(unsigned char *vram)
{
draw_rectangle(vram, COL8_008484, 0, 0, SCRNX, SCRNY - 25);
draw_rectangle(vram, COL8_C6C6C6, 0, SCRNY - 25, SCRNX, 25);
draw_rectangle(vram, COL8_848484, 0, SCRNY - 25, 50, 25);
return;
}
/**
* @brief 打印字符
*
* @param[in] (x,y)开始坐标
* @param[in] color，字符颜色
* @param[in] chr，字符编码
* @return None
*/
void print_char(int x, int y, uint8_t color, int8_t chr)
{
int i;
int8_t *p, d;
for (i = 0;i < 16;i++) {
p = VRAM_ADDR + (y + i)*SCRNX + x;
d = (chr * 16 + font)[i];
if ((d & 0x80) != 0) { p[0] = color; }
if ((d & 0x40) != 0) { p[1] = color; }
if ((d & 0x20) != 0) { p[2] = color; }
if ((d & 0x10) != 0) { p[3] = color; }
if ((d & 0x08) != 0) { p[4] = color; }
if ((d & 0x04) != 0) { p[5] = color; }
if ((d & 0x02) != 0) { p[6] = color; }
if ((d & 0x01) != 0) { p[7] = color; }
}
return;
}
/**
* @brief 输出字符串
*
* @param[in] (x,y)，字符串显示坐标
* @param[in] color，字符串颜色
* @param[in] str，指向字符串的指针
* @return None
*/
void print_string(int x, int y, uint8_t color, int8_t *str)
{
for (; *str != 0x00; str++) {
print_char(x, y, color, *str);
x += 8;
}
return;
}
/**
* @brief 图层表初始化
*
* @param[in] mem,内存
* @return 图层表首地址
*/
Layers_tbl *layers_tbl_init(Memory_structure *mem)
{
Layers_tbl *layTbl;
int i;
layTbl = (Layers_tbl *)mem_alloc_4k(mem,sizeof(Layers_tbl));
if(layTbl == 0){
return 0;
}
layTbl->bottom = -1;//没有涂层
for(i = 0; i < MAX_LAYERS; i++){
layTbl->layerInfo[i].flags = 0; /* 标记为未使用 */
}
return layTbl;
}
/**
* @brief 从图层表中申请图层
*
* @param[in] layTbl，图层表首地址
* @return 图层地址;0 申请失败
*/
Layers *layer_alloc(Layers_tbl *layTbl)
{
Layers *layer;
int i;
for(i = 0; i < MAX_LAYERS; i++){
if(layTbl->layerInfo[i].flags == 0){
layer = &layTbl->layerInfo[i];
layer->flags = 1;
layer->height = -1; /* 隐藏 */
return layer;
}
}
return 0;
}
/**
* @brief
A502
设置图层参数
*
* @param[in] layTbl，图层表首地址
* @return None
*/
void setLayer(Layers *layer, unsigned char *buf, int length_x, int length_y, int inv_col)
{
layer->buf = buf;
layer->length_x = length_x;
layer->length_y = length_y;
layer->inv_col = inv_col;
return;
}
/**
* @brief 设置图层高度
*
* @param[in] layTbl，图层表首地址
* @param[in] layer，需要设置的图层
* @param[in] height，图层高度
* @return None
*/
void setLayerHeight(Layers_tbl *layTbl, Layers *layer, int height)
{
int i,old_hg;
old_hg = layer->height;
/* 检查设置高度值 */
if(height > layTbl->bottom + 1){
height = layTbl->bottom+1;
}
if(height < -1){
height = -1;
}
layer->height = height;
//sort
if(height < old_hg){ //图层上移
if(height >= 0){
//将其之前的下移一层
for(i = old_hg; i > height; i--){
layTbl->layerAddr[i] = layTbl->layerAddr[i - 1];
layTbl->layerAddr[i]->height = i;
}
layTbl->layerAddr[height] = layer;
}
else {
if(layTbl->bottom > old_hg){
//将其之后的上移一层
for(i = old_hg; i < layTbl->bottom; i++){
layTbl->layerAddr[i] = layTbl->layerAddr[i + 1];
layTbl->layerAddr[i]->height = i;
}
}
layTbl->bottom--;
}
layer_refresh(layTbl);
}
else if(old_hg > height){ //图层下移
if(old_hg > 0){
for(i = old_hg; i >= height; i++){
layTbl->layerAddr[i] = layTbl->layerAddr[i + 1];
layTbl->layerAddr[i]->height = i;
}
layTbl->layerAddr[height] = layer;
}
else{
for(i = layTbl->bottom; i >= height; i--){
layTbl->layerAddr[i + 1] = layTbl->layerAddr[i];
layTbl->layerAddr[i + 1]->height = i + 1;
}
layTbl->layerAddr[height] = layer;
layTbl->bottom++;
}
layer_refresh(layTbl);
}
return;
}
void layer_refresh(Layers_tbl *layTbl)
{
int hg, i,j,x,y;
unsigned char *buf,col;
Layers *layer;
for(hg =0; hg <= layTbl->bottom; hg++){
layer = layTbl->layerAddr[hg];
buf = layer->buf;
for(j = 0; j < layer->length_x;j++){
y = layer->begin_y + j;
for(i = 0; i < layer->length_x; i++){
x = layer->begin_x + i;
col = buf[j*layer->length_x + i];
if(col != layer->inv_col){
VRAM_ADDR[y*SCRNX + x] = col;
}
}
}
}
return;
}
void layer_shift(Layers_tbl *layTbl, Layers *layer, unsigned int begin_x, unsigned int begin_y)
{
layer->begin_x = begin_x;
layer->begin_y = begin_y;
if(layer >= 0){
layer_refresh(layTbl);
}
return;
}
void layer_free(Layers_tbl *layTbl, Layers *layer)
{
if(layer->height >= 0){
setLayerHeight(layTbl,layer,-1);
}
layer->flags = 0;
return;
}