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draw.cpp
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draw.cpp
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// draw.cpp: Draw クラスのインプリメンテーション
//
//////////////////////////////////////////////////////////////////////
// 24term Copyright (c) 2000-2002 Zoroyoshi, SOFTCLUB, Japan
// See source.txt for detail
#include <windows.h>
#include "common.h"
#include "draw.h"
#include "screen.h"
HBRUSH Draw::basebrush= 0;
HANDLE Draw::k12x10f;
HANDLE Draw::k12x10m;
const char* Draw::k12x10= 0;
HBITMAP Draw::bitmap;
char* Draw::bitdata;
HDC Draw::bitdc= 0;
HDC Draw::picdc= 0; //Pic
int Draw::devcolor;
int Draw::devwidth;
int Draw::winoffx;
int Draw::bitoffx;
int Draw::baseheight;
PCWSTR Draw::
init(const Config* config, HWND wdisp)
{
int y;
if(k12x10==0) {
k12x10f= CreateFileForMapping(L"\\Windows\\Fonts\\k12x10.ttf", GENERIC_READ
, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if(k12x10f==INVALID_HANDLE_VALUE) return L"fFont \"k12x10.ttf\" not found.";
k12x10m= CreateFileMapping(k12x10f, 0, PAGE_READONLY, 0, 0, 0);
k12x10= (const char*)MapViewOfFile(k12x10m, FILE_MAP_READ, 0, 0, 0);
if(k12x10==0) return L"mFont \"k12x10.ttf\" mapping error.";
};
picwidth= 0;
if(devwidth<640) winoffx= 0; else winoffx= 3;
for(y= 0; y<24; y++) useb[y]= 80;
curx= -1; lastsel= 0;
return L"";
};
//Dirty部分のみ再描画
void Draw::
update(Screen* scr, HDC dc, int mode)
{
if(scr->iy==0) return;
int y, a, b, t, cc, e;
int dirty[24]; //backup of screen->dirty
if(mode) { //スクロールはなし
EnterCriticalSection(&scr->lock);
for(y= 0; y<24; y++) {
dirty[y]= 0;
int w= y+scr->yscroll-scr->ybase; if(w<0) w+= scr->ymax;
iy[y]= scr->iy[w];
if(scr->copy[y]!=y) {
scr->copy[y]= y;
dirty[y]= 0|80<<8;
};
};
LeaveCriticalSection(&scr->lock);
for(y= 0; y<24; y++) {
a= InterlockedExchange(&scr->dirty[iy[y]], 80);
if(dirty[y]==0) dirty[y]= a;
};
} else {
do { // has scroll
cc= 0; e= 0;
EnterCriticalSection(&scr->lock);
for(y= 23; y>=0; y--) {
a= scr->copy[y];
if(a<0) { //クリア
if(cc==0) { //クリアは画面上から
t= y;
while(y>0) {
if(scr->copy[y-1]>=0) break;
y--;
};
b= y;
};
cc++;
} else if(a!=y) { //スクロール
if(e>=0) { //上スクロール(e<0)は最初の１回、下スクロールは最後の１回
t= y;
e= a-y;
while(y>0) {
if(scr->copy[y-1]!=e+y-1) break;
y--;
};
b= y;
};
cc++;
};
};
if(cc<=1) { //iyコピー
for(y= 0; y<24; y++) {
int w= y+scr->yscroll-scr->ybase; if(w<0) w+= scr->ymax;
iy[y]= scr->iy[w];
};
};
if(cc>0) { //tとbに何か代入
for(y= b; y<=t; y++) scr->copy[y]= y;
};
LeaveCriticalSection(&scr->lock);
if(e<0) { //上スクロール
DEBUGMSG(1, (L"up %d-%d %d\n", t, b, -e));
a= 0;
for(y= b+e; y<=t; y++) if(a<useb[y]) a= useb[y];
if(a>0) BitBlt(dc, winoffx, (23-t)*10, a*6, (t-b+1)*10, dc, winoffx, (23-(t+e))*10, SRCCOPY);
for(y= t; y>=b; y--) useb[y]= useb[y+e];
} else if(e>0) { //下スクロール
DEBUGMSG(1, (L"down %d-%d %d\n", t, b, e));
a= 0;
for(y= t+e; y>=b; y--) if(a<useb[y]) a= useb[y];
if(a>0) BitBlt(dc, winoffx, (23-t)*10, a*6, (t-b+1)*10, dc, winoffx, (23-(t+e))*10, SRCCOPY);
for(y= b; y<=t; y++) useb[y]= useb[y+e];
} else if(cc>0) { //クリアあり
DEBUGMSG(1, (L"clear %d-%d\n", t, b));
//RECT r;
//r.left= 3; r.top= t*10; r.right= 483; r.bottom= b*10+10;
//FillRect(dc, &r, basebrush);
};
} while(cc>1);
for(y= 0; y<24; y++) {
dirty[y]= InterlockedExchange(&scr->dirty[iy[y]], 80);
};
};
//再描画:上からの方が2/120ほど結果的に速い
for(y= 23; y>=0; y--) {
t= dirty[y];
b= t>>8; t&= 255;
if(t<b) {
if(b>=80) {
WORD* tp= &scr->text[iy[y]][80];
for(b= 80; b>0; b--) {
if(*--tp!=1) break;
};
if(useb[y]<=b) {
if(t<b) {
draw(&scr->text[iy[y]][t], b-t, t, y);
BitBlt(dc, winoffx+t*6, (23-y)*10, (b-t)*6, 10, bitdc, bitoffx+t*6, 0, SRCCOPY);
};
useb[y]= b;
} else {
if(t<useb[y]) {
if(t<b) {
draw(&scr->text[iy[y]][t], b-t, t, y);
clear(useb[y]-b, b, y);
} else {
clear(useb[y]-t, t, y);
};
BitBlt(dc, winoffx+t*6, (23-y)*10, (useb[y]-t)*6, 10, bitdc, bitoffx+t*6, 0, SRCCOPY);
};
useb[y]= b;
};
} else {
if(useb[y]<b) useb[y]= b;
draw(&scr->text[iy[y]][t], b-t, t, y);
BitBlt(dc, winoffx+t*6, (23-y)*10, (b-t)*6, 10, bitdc, bitoffx+t*6, 0, SRCCOPY);
};
};
};
};
//全画面再描画
void Draw::
redraw(Screen* scr, HDC dc)
{
lastsel= 0;
DEBUGMSG(1, (L"redraw\n"));
int y, b;
if(scr->iy==0) {
for(y= 23; y>=0; y--) {
clear(80, 0, y);
BitBlt(dc, winoffx, (23-y)*10, 480, 10, bitdc, bitoffx, 0, SRCCOPY);
};
return;
};
EnterCriticalSection(&scr->lock);
int sels= scr->selstart-scr->yscroll*80;
int sele= scr->selend-scr->yscroll*80;
for(y= 0; y<24; y++) {
int w= y+scr->yscroll-scr->ybase; if(w<0) w+= scr->ymax;
iy[y]= scr->iy[w];
scr->copy[y]= y;
};
LeaveCriticalSection(&scr->lock);
for(y= 0; y<24; y++) InterlockedExchange(&scr->dirty[iy[y]], 80);
if(sels<=0||sele>=80*24||sels==sele) {
sels= 0; sele= 80*24;
} else {
if(sels>80*24) sels= 80*24;
if(sele<0) sele= 0;
};
for(y= 23; y>=0; y--) { //画面上から(見栄え)
WORD* tp= &scr->text[iy[y]][80];
for(b= 80; b>0; b--) {
if(*--tp!=1) break;
};
if(y*80>=sels||y*80+80<=sele) {
draw(&scr->text[iy[y]][0], b, 0, y);
if(b<80) clear(80-b, b, y);
} else { //セレクション内
lastsel= 1; //画面上にセレクション表示あります
WORD lbuf[82];
memcpy(lbuf, &scr->text[iy[y]][0], sizeof(lbuf));
int rs= 80-(sels-y*80);
int re= 80-(sele-y*80);
if(rs<0) rs= 0;
if(re>80) re= 80;
for(; rs<re; rs++) lbuf[rs]^= SC_REVERSE;
draw(lbuf, 80, 0, y);
};
BitBlt(dc, winoffx, (23-y)*10, 480, 10, bitdc, bitoffx, 0, SRCCOPY);
useb[y]= b;
};
};
//カーソル表示
// (これを呼ぶ前にupdateかredrawでiy確定のこと)
void Draw::
cursor(Screen* scr, HDC dc, int mode)
{
WORD t[2];
if(mode) {//draw
if(scr->iy==0||scr->sockmode!=1) { curx= -1; return; };
if(scr->selstart) { curx= -1; return; }; //セレクション中は表示なし
curx= scr->curx;
cury= scr->cury-scr->yscroll;
if(curx<0||cury>23||cury<0) {
curx= -1; return;
};
if(curx>79) curx= 79;
if(curx>=useb[cury]) {
curb0= 1; curb= 1; curb1= 1;
} else {
curb0= 0; if(curx>0) curb0= scr->text[iy[cury]][curx-1];
curb= scr->text[iy[cury]][curx];
curb1= scr->text[iy[cury]][curx+1];
};
} else {
if(curx<0) return;
};
if((curb&0x180)==0x180) { //漢字2バイト目
if((curb0&0x180)==0x100) { //漢字
t[0]= curb0, t[1]= curb;
if(mode) t[0]^= SC_REVERSE, t[1]^= SC_REVERSE;
draw(t, 2, curx-1, cury);
BitBlt(dc, winoffx+curx*6, (23-cury)*10, 6, 10, bitdc, bitoffx+curx*6, 0, SRCCOPY);
};
} else if((curb&0x180)==0x100) {
t[0]= curb; t[1]= curb1;
if(mode) t[0]^= SC_REVERSE, t[1]^= SC_REVERSE;
draw(t, 2, curx, cury);
BitBlt(dc, winoffx+curx*6, (23-cury)*10, 12, 10, bitdc, bitoffx+curx*6, 0, SRCCOPY);
} else {
t[0]= curb;
if(mode) t[0]^= SC_REVERSE;
draw(t, 1, curx, cury);
BitBlt(dc, winoffx+curx*6, (23-cury)*10, 6, 10, bitdc, bitoffx+curx*6, 0, SRCCOPY);
};
if(mode==0) curx= -1;
};
//ウィンドウ更新描画
void Draw::
updatewin(Screen* scr, HWND wdisp)
{
if(scr->selstart||lastsel) {
redrawwin(scr, wdisp);
return;
};
HDC dc= GetDC(wdisp);
RECT r;
int mode= 1;
if(picwidth==0
&&GetClipBox(dc, &r)==SIMPLEREGION
&&r.top<=0&&r.bottom>=240
&&r.left<=winoffx&&r.right>=winoffx+480) {
mode= 0; //スクロール可
};
cursor(scr, dc, 0);
update(scr, dc, mode);
cursor(scr, dc, 1);
ReleaseDC(wdisp, dc);
};
//フレーム部分(-1:0を除く)
void Draw::
drawframe(Screen* scr, HDC dc)
{
HBRUSH br;
RECT r;
if(scr->config.titleh) {
br= GetSysColorBrush(COLOR_3DSHADOW);
r.top= 0; r.bottom= 240; r.left= 483; r.right= 484; FillRect(dc, &r, br);
r.top= scr->config.titletop+24+scr->config.titleh; r.bottom= 240; r.left= 0; r.right= 1; FillRect(dc, &r, br);
r.top= 0; r.bottom= scr->config.titletop+24-1; FillRect(dc, &r, br);
br= GetSysColorBrush(scr->config.black?COLOR_3DDKSHADOW:COLOR_3DLIGHT);
r.left= 1; r.right= 2; FillRect(dc, &r, br);
r.top= scr->config.titletop+24+scr->config.titleh+1; r.bottom= 240; FillRect(dc, &r, br);
br= GetSysColorBrush(scr->config.black?COLOR_3DLIGHT:COLOR_3DDKSHADOW);
r.top= 0; r.bottom= 240; r.left= 484; r.right= 485; FillRect(dc, &r, br);
r.top= scr->config.titletop+24-1; r.bottom= scr->config.titletop+24+scr->config.titleh;
r.left= 0; r.right= 1; FillRect(dc, &r, basebrush);
r.bottom++; r.left= 1; r.right= 2; FillRect(dc, &r, basebrush);
} else {
br= GetSysColorBrush(COLOR_3DSHADOW);
r.top= 0; r.bottom= 240; r.left= 0; r.right= 1; FillRect(dc, &r, br);
r.left= 483; r.right= 484; FillRect(dc, &r, br);
br= GetSysColorBrush(scr->config.black?COLOR_3DDKSHADOW:COLOR_3DLIGHT);
r.left= 1; r.right= 2; FillRect(dc, &r, br);
br= GetSysColorBrush(scr->config.black?COLOR_3DLIGHT:COLOR_3DDKSHADOW);
r.left= 484; r.right= 485; FillRect(dc, &r, br);
};
};
//ウィンドウ全画面再描画
void Draw::
redrawwin(Screen* scr, HWND wdisp)
{
HDC dc= GetDC(wdisp);
if(winoffx>0) { //かざりあり
if(picwidth==485) {
BitBlt(dc, 0, 0, 3, 240, picdc, -3+bitoffx, 0, SRCCOPY);
BitBlt(dc, 483, 0, 2, 240, picdc, 480+bitoffx, 0, SRCCOPY);
} else if(picwidth==481) {
BitBlt(dc, 2, 0, 1, 240, picdc, -1+bitoffx, 0, SRCCOPY);
drawframe(scr, dc);
} else { //480および0
RECT r;
r.top= 0; r.bottom= 240; r.left= 2; r.right= 3; FillRect(dc, &r, basebrush);
drawframe(scr, dc);
};
};
redraw(scr, dc);
cursor(scr, dc, 1);
ReleaseDC(wdisp, dc);
};