static void render_glyph(unsigned int id, int x, int y)
{
struct glyph* glyph = glyphcache_getglyph(id);
if (glyph && glyph->pixmap)
XCopyArea(display, glyph->pixmap, window, gc,
0, 0, glyph->width, fontheight,
x*fontwidth, y*fontheight);
}
static void paint_cb(HWND window, PAINTSTRUCT* ps, HDC dc)
{
int textwidth, textheight;
glyphcache_getfontsize(&textwidth, &textheight);
int x1 = ps->rcPaint.left / textwidth;
x1 -= 1; /* because of overlapping characters */
if (x1 < 0)
x1 = 0;
int y1 = ps->rcPaint.top/textheight;
int x2 = ps->rcPaint.right/textwidth;
x2 += 1; /* because of overlapping characters */
if (x2 >= screenwidth)
{
RECT r = {screenwidth*textwidth, 0, ps->rcPaint.right, ps->rcPaint.bottom};
FillRect(dc, &r, GetStockObject(BLACK_BRUSH));
x2 = screenwidth;
}
int y2 = ps->rcPaint.bottom / textheight;
if (y2 >= screenheight)
{
RECT r = {0, screenheight*textheight, ps->rcPaint.right, ps->rcPaint.bottom};
FillRect(dc, &r, GetStockObject(BLACK_BRUSH));
y2 = screenheight-1;
}
int state = SaveDC(dc);
HPEN brightpen = CreatePen(PS_SOLID, 0, 0xffffff);
HPEN normalpen = CreatePen(PS_SOLID, 0, 0x888888);
HPEN dimpen = CreatePen(PS_SOLID, 0, 0x555555);
for (int y = y1; y <= y2; y++)
{
int sy = y * textheight;
/* Clear this line (or at least the part of it we're drawing). */
RECT r = {ps->rcPaint.left, sy, ps->rcPaint.right, sy+textheight};
FillRect(dc, &r, GetStockObject(BLACK_BRUSH));
/* Draw the actual text. */
for (int x = x1; x < x2; x++)
{
int seq = y*screenwidth + x;
int sx = x * textwidth;
unsigned int id = frontbuffer[seq];
struct glyph* glyph = glyphcache_getglyph(id, dc);
if (glyph)
{
BitBlt(dc, sx+glyph->xoffset, sy+glyph->yoffset,
glyph->realwidth, glyph->realheight,
glyph->dc, 0, 0, SRCPAINT);
if (id & DPY_UNDERLINE)
{
if (id & DPY_BRIGHT)
SelectObject(dc, brightpen);
else if (id & DPY_DIM)
SelectObject(dc, dimpen);
else
SelectObject(dc, normalpen);
MoveToEx(dc, sx, sy+textheight-1, NULL);
LineTo(dc, sx+glyph->width, sy+textheight-1);
}
}
}
/* Now go through and invert any characters which are in reverse. */
for (int x = x1; x < x2; x++)
{
int seq = y*screenwidth + x;
int sx = x * textwidth;
unsigned int id = frontbuffer[seq];
if (id & DPY_REVERSE)
{
int w;
struct glyph* glyph = glyphcache_getglyph(id, dc);
if (glyph)
w = glyph->width;
else
w = textwidth;
BitBlt(dc, sx, sy, w, textheight, NULL, 0, 0, DSTINVERT);
}
}
}
/* Draw the cursor caret. */
{
int x = cursorx*textwidth;
int y = cursory*textheight;
SelectObject(dc, brightpen);
MoveToEx(dc, x, y, NULL);
LineTo(dc, x, y+textheight);
SetPixelV(dc, x-1, y-1, 0xffffff);
SetPixelV(dc, x+1, y-1, 0xffffff);
SetPixelV(dc, x-1, y+textheight, 0xffffff);
SetPixelV(dc, x+1, y+textheight, 0xffffff);
}
DeleteObject(brightpen);
DeleteObject(normalpen);
DeleteObject(dimpen);
RestoreDC(dc, state);
}
