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Extract graphic class

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otya128
2016-12-03 13:35:13 +09:00
parent 8d62088854
commit fbd7471b0e
5 changed files with 475 additions and 562 deletions
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SMILEBASIC/graphic.d Normal file
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module otya.smilebasic.graphic;
import derelict.sdl2.sdl;
import derelict.sdl2.image;
import derelict.opengl3.gl;
import derelict.opengl3.gl3;
import otya.smilebasic.petitcomputer;
class Graphic
{
PetitComputer petitcom;
this(PetitComputer p)
{
petitcom = p;
//nnnue
paint.buffer = new uint[512 * 512];
}
bool visibleGRP = true;
private int[2] showPage = [0, 1];
private int[2] usePage = [0, 1];
@property int useGRP()
{
return usePage[petitcom.displaynum];
}
@property int showGRP()
{
return showPage[petitcom.displaynum];
}
@property void useGRP(int page)
{
usePage[petitcom.displaynum] = page;
}
@property void showGRP(int page)
{
showPage[petitcom.displaynum] = page;
}
uint gcolor = -1;
GraphicPage[] GRP;
struct Paint
{
uint[] buffer;
static const MAXSIZE = 1024; /* バッファサイズ */
/* 画面サイズは 1024 X 1024 とする */
static const MINX = 0;
static const MINY = 0;
static const MAXX = 511;
static const MAXY = 511;
struct BufStr {
int lx; /* 領域右端のX座標 */
int rx; /* 領域右端のX座標 */
int y; /* 領域のY座標 */
int oy; /* 親ラインのY座標 */
};
BufStr buff[MAXSIZE]; /* シード登録用バッファ */
BufStr* sIdx, eIdx; /* buffの先頭・末尾ポインタ */
uint point(int x, int y)
{
return buffer.ptr[x + y * 512];
}
void pset(int x, int y, uint col)
{
buffer.ptr[x + y * 512] = col;
}
/*
scanLine : 線分からシードを探索してバッファに登録する
int lx, rx : 線分のX座標の範囲
int y : 線分のY座標
int oy : 親ラインのY座標
unsigned int col : 領域色
*/
void scanLine( int lx, int rx, int y, int oy, uint col )
{
while ( lx <= rx ) {
/* 非領域色を飛ばす */
for ( ; lx < rx ; lx++ )
if ( point( lx, y ) == col ) break;
if ( point( lx, y ) != col ) break;
eIdx.lx = lx;
/* 領域色を飛ばす */
for ( ; lx <= rx ; lx++ )
if ( point( lx, y ) != col ) break;
eIdx.rx = lx - 1;
eIdx.y = y;
eIdx.oy = oy;
if ( ++eIdx == &buff.ptr[MAXSIZE] )
eIdx = buff.ptr;
}
}
/*
paint : 塗り潰し処理(高速版)
int x, y : 開始座標
unsigned int paintCol : 塗り潰す時の色(描画色)
*/
void paint( int x, int y, uint paintCol , out int dx, out int dy, out int dx2, out int dy2)
{
int lx, rx; /* 塗り潰す線分の両端のX座標 */
int ly; /* 塗り潰す線分のY座標 */
int oy; /* 親ラインのY座標 */
int i;
uint col = point( x, y ); /* 閉領域の色(領域色) */
dx = int.max, dy = int.max, dx2 = int.min, dy2 = int.min;
if ( col == paintCol ) return; /* 領域色と描画色が等しければ処理不要 */
sIdx = buff.ptr;
eIdx = buff.ptr + 1;
sIdx.lx = sIdx.rx = x;
sIdx.y = sIdx.oy = y;
do {
lx = sIdx.lx;
rx = sIdx.rx;
ly = sIdx.y;
oy = sIdx.oy;
int lxsav = lx - 1;
int rxsav = rx + 1;
if ( ++sIdx == &buff.ptr[MAXSIZE] ) sIdx = buff.ptr;
/* 処理済のシードなら無視 */
if ( point( lx, ly ) != col )
continue;
/* 右方向の境界を探す */
while ( rx < MAXX ) {
if ( point( rx + 1, ly ) != col ) break;
rx++;
}
/* 左方向の境界を探す */
while ( lx > MINX ) {
if ( point( lx - 1, ly ) != col ) break;
lx--;
}
import std.algorithm;
dy = min(dy, ly);
dy2 = max(dy2, ly);
dx = min(dx, lx);
dx2 = max(dx2, rx);
//
/* lx-rxの線分を描画 */
for ( i = lx; i <= rx; i++ ) pset( i, ly, paintCol );
/* 真上のスキャンラインを走査する */
if ( ly - 1 >= MINY ) {
if ( ly - 1 == oy ) {
scanLine( lx, lxsav, ly - 1, ly, col );
scanLine( rxsav, rx, ly - 1, ly, col );
} else {
scanLine( lx, rx, ly - 1, ly, col );
}
}
/* 真下のスキャンラインを走査する */
if ( ly + 1 <= MAXY ) {
if ( ly + 1 == oy ) {
scanLine( lx, lxsav, ly + 1, ly, col );
scanLine( rxsav, rx, ly + 1, ly, col );
} else {
scanLine( lx, rx, ly + 1, ly, col );
}
}
} while ( sIdx != eIdx );
}
void gpaintBuffer(uint* pixels, int x, int y, uint color, GLenum tf)
{
int dx, dy, dx2, dy2;
paint(x, y, color, dx, dy, dx2, dy2);
if(dx == int.max) return;
int h = dy2 - dy;
glTexSubImage2D(GL_TEXTURE_2D , 0, 0, dy, 512, h, tf, GL_UNSIGNED_BYTE, pixels + (dy * 512));
// glDrawPixels(512, dy2, tf, GL_UNSIGNED_BYTE, buffer.ptr);
}
}
Paint paint;
void drawCircle(int x, int y, int r, int startr, int endr, int flag)
{
import std.math : sin, cos, PI;
int count = r;
glBegin(GL_LINE_LOOP);
for (int i = 0; i <= r; i++)
{
//float a = i * (360f / r);
glVertex2f(sin(cast(float)i / count * 2f * PI) * r + x, cos(cast(float)i / count * 2f * PI) * r + y);
}
glEnd();
}
void draw()
{
if(!drawMessageLength) return;
drawflag = true;
//betuni kouzoutai demo sonnnani sokudo kawaranasasou
auto len = drawMessageLength;
int s = petitcom.renderstartpos;
GLint old;
auto a = &glBindFramebuffer;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &old);
int oldpage = drawMessageQueue[0].page;
glBindFramebufferEXT(GL_FRAMEBUFFER, this.GRP[oldpage].buffer);
glDisable(GL_TEXTURE_2D);
glDisable(GL_ALPHA_TEST);
glDisable(GL_DEPTH_TEST);
//glAlphaFunc(GL_GEQUAL, 0.0);
void chScreen(int x, int y, int w, int h)
{
glViewport(x, y, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, w, 0, h, -256, 1024);//wakaranai
}
chScreen(0, 0, 511, 511);
DrawType dt;
auto start = SDL_GetTicks();
int i = s;
static const size = 255.5f;
for(; i < len; i++)
{
DrawMessage dm = drawMessageQueue[i];
if(oldpage != dm.page)
{
oldpage = dm.page;
glBindFramebufferEXT(GL_FRAMEBUFFER, this.GRP[oldpage].buffer);
}
switch(dm.type)
{
case DrawType.PSET:
glBegin(GL_POINTS);
glColor4ubv(cast(ubyte*)&dm.color);
glVertex2f(dm.x, dm.y);
glEnd();
break;
case DrawType.LINE:
{
glBegin(GL_LINES);
glColor4ubv(cast(ubyte*)&dm.color);
glVertex2f(dm.x, dm.y);
glVertex2f(dm.x2, dm.y2);
//glFlush();
glEnd();
}
break;
case DrawType.FILL:
{
glBegin(GL_QUADS);
glColor4ubv(cast(ubyte*)&dm.color);
glVertex2f(dm.x, dm.y);
glVertex2f(dm.x, dm.y2);
glVertex2f(dm.x2, dm.y2);
glVertex2f(dm.x2, dm.y);
glEnd();
}
break;
case DrawType.BOX:
{
glBegin(GL_LINE_LOOP);
glColor4ubv(cast(ubyte*)&dm.color);
glVertex2f(dm.x, dm.y);
glVertex2f(dm.x, dm.y2);
glVertex2f(dm.x2, dm.y2);
glVertex2f(dm.x2, dm.y);
glEnd();
}
break;
case DrawType.PAINT:
{
glBindTexture(GL_TEXTURE_2D, GRP[oldpage].glTexture);
if(dt != DrawType.PAINT)
{
glFinish();
//glGetTexImage(GL_TEXTURE_2D,0,GRP[oldpage].textureFormat,GL_UNSIGNED_BYTE,buffer.ptr);
glReadPixels(0, 0, 512, 512, GRP[oldpage].textureFormat, GL_UNSIGNED_BYTE, paint.buffer.ptr);
}
paint.gpaintBuffer(paint.buffer.ptr, dm.x, dm.y, dm.color, GRP[oldpage].textureFormat);
//gpaintBufferExW(oldpage, dm.x, dm.y, dm.color);
if(SDL_GetTicks() - start >= 16 && i != len - 1)
{
s = i + 1;
goto brk;
}
}
break;
case DrawType.CIRCLE:
{
glColor4ubv(cast(ubyte*)&dm.color);
drawCircle(dm.x, dm.y, dm.circle.r, dm.circle.startr, dm.circle.endr, dm.circle.flag);
}
break;
default:
}
dt = dm.type;
}
brk:
if(i == len)
{
petitcom.renderstartpos = 0;
drawMessageLength = 0;
}
else
{
petitcom.renderstartpos = s;
}
glBindFramebufferEXT(GL_FRAMEBUFFER, old);
glEnable(GL_DEPTH_TEST);
drawflag = false;
glEnable(GL_ALPHA_TEST);
}
enum DrawType
{
CLEAR,
PSET,
LINE,
FILL,
BOX,
CIRCLE,
TRI,
PAINT,
}
struct Circle
{
short r, startr, endr;
short flag;
}
struct DrawMessage
{
DrawType type;
byte page;
short x;
short y;
uint color;
short x2;
short y2;
Circle circle;
//
}
static const int dmqqueuelen = 8192;
DrawMessage[] drawMessageQueue = new DrawMessage[dmqqueuelen];
int drawMessageLength;
bool drawflag;
void sendDrawMessage(DrawMessage dm)
{
//grpmutex.lock();
//scope(exit)
// grpmutex.unlock();
if(drawMessageLength >= dmqqueuelen)
{
while(drawMessageLength)
{
SDL_Delay(1);
}
}
while(drawflag){}
dm.color = petitcom.toGLColor(this.GRP[0].textureFormat, dm.color & 0xFFF8F8F8);
drawMessageQueue[drawMessageLength] = dm;
drawMessageLength++;
}
void sendDrawMessage(DrawType type, byte page, short x, short y, uint color)
{
DrawMessage dm;
dm.type = type;
dm.page = page;
dm.x = x;
dm.y = y;
dm.color = color;
sendDrawMessage(dm);
}
void sendDrawMessage(DrawType type, byte page, short x, short y, short x2, short y2, uint color)
{
DrawMessage dm;
dm.type = type;
dm.page = page;
dm.x = x;
dm.y = y;
dm.x2 = x2;
dm.y2 = y2;
dm.color = color;
sendDrawMessage(dm);
}
//TODO:範囲チェック
void gpset(int page, int x, int y, uint color)
{
sendDrawMessage(DrawType.PSET, cast(byte)page, cast(short)x, cast(short)y, color);
}
void gline(int page, int x, int y, int x2, int y2, uint color)
{
sendDrawMessage(DrawType.LINE, cast(byte)page, cast(short)x, cast(short)y, cast(short)x2, cast(short)y2, color);
}
void gbox(int page, int x, int y, int x2, int y2, uint color)
{
sendDrawMessage(DrawType.BOX, cast(byte)page, cast(short)x, cast(short)y, cast(short)x2, cast(short)y2, color);
}
void gfill(int page, int x, int y, int x2, int y2, uint color)
{
sendDrawMessage(DrawType.FILL, cast(byte)page, cast(short)x, cast(short)y, cast(short)x2, cast(short)y2, color);
}
void gpaint(int page, int x, int y, uint color)
{
sendDrawMessage(DrawType.PAINT, cast(byte)page, cast(short)x, cast(short)y, color);
}
void gcircle(int page, int x, int y, int r, int startr, int endr, int flag, uint color)
{
DrawMessage dm;
dm.page = cast(byte)page;
dm.x = cast(short)x;
dm.y = cast(short)y;
dm.circle.r = cast(short)r;
dm.circle.startr = cast(short)startr;
dm.circle.endr = cast(short)endr;
dm.circle.flag = cast(short)flag;
dm.color = color;
dm.type = DrawType.CIRCLE;
sendDrawMessage(dm);
}
int gprio;
void render(int display, float w, float h)
{
float z = gprio;
glColor3f(1.0, 1.0, 1.0);
glBindTexture(GL_TEXTURE_2D, GRP[showPage[display]].glTexture);
glEnable(GL_TEXTURE_2D);
glBegin(GL_QUADS);
glTexCoord2f(0 / 512f - 1 , h / 512f - 1);
glVertex3f(0, h, z);
glTexCoord2f(0 / 512f - 1, 0 / 512f - 1);
glVertex3f(0, 0, z);
glTexCoord2f(w / 512f - 1, 0 / 512f - 1);
glVertex3f(w, 0, z);
glTexCoord2f(w / 512f - 1, h / 512f - 1);
glVertex3f(w, h, z);
glEnd();
//glFlush();
}
}