struct vGfx *vgOpenPostScript(int width, int height, char *fileName)
/* Open up something that will someday be a PostScript file. */
{
struct vGfx *vg = vgHalfInit(width, height);
vg->data = pscmOpen(width, height, fileName);
vg->close = (vg_close)pscmClose;
vg->dot = (vg_dot)pscmDot;
vg->box = (vg_box)pscmBox;
vg->line = (vg_line)pscmLine;
vg->text = (vg_text)pscmText;
vg->textRight = (vg_textRight)pscmTextRight;
vg->textCentered = (vg_textCentered)pscmTextCentered;
vg->findColorIx = (vg_findColorIx)pscmFindColorIx;
vg->colorIxToRgb = (vg_colorIxToRgb)pscmColorIxToRgb;
vg->setClip = (vg_setClip)pscmSetClip;
vg->unclip = (vg_unclip)pscmUnclip;
vg->verticalSmear = (vg_verticalSmear)pscmVerticalSmear;
vg->fillUnder = (vg_fillUnder)pscmFillUnder;
vg->drawPoly = (vg_drawPoly)pscmDrawPoly;
vg->setHint = (vg_setHint)pscmSetHint;
vg->getHint = (vg_getHint)pscmGetHint;
vg->getFontPixelHeight = (vg_getFontPixelHeight)pscmGetFontPixelHeight;
vg->getFontStringWidth = (vg_getFontStringWidth)pscmGetFontStringWidth;
vg->setWriteMode = (vg_setWriteMode)pscmSetWriteMode;
return vg;
}
struct vGfx *vgOpenPng(int width, int height, char *fileName, boolean useTransparency)
/* Open up something that will write out a PNG file upon vgClose.
* If useTransparency, then the first color in memgfx's colormap/palette is
* assumed to be the image background color, and pixels of that color
* are made transparent. */
{
struct memPng *png;
struct memGfx *mg;
struct vGfx *vg;
/* Set up virtual graphics with memory methods. */
vg = vgHalfInit(width, height);
vgMgMethods(vg);
vg->close = (vg_close)memPngClose;
/* Get our mg + fileName structure. We're forcing
* inheritence from mg essentially. */
AllocVar(png);
png->fileName = cloneString(fileName);
png->useTransparency = useTransparency;
/* Fill in the mg part of this structure with normal memGfx. */
mg = mgNew(width, height);
if (png->useTransparency)
mgClearPixelsTrans(mg);
else
mgClearPixels(mg);
png->mg = *mg;
freez(&mg); /* We don't need this copy any more. */
vg->data = png;
return vg;
}
struct vGfx *vgOpenGif(int width, int height, char *fileName, boolean useTransparency)
/* Open up something that will someday be a PostScript file. */
{
struct memGif *gif;
struct memGfx *mg;
struct vGfx *vg;
/* Set up virtual graphics with memory methods. */
vg = vgHalfInit(width, height);
vgMgMethods(vg);
vg->close = (vg_close)memGifClose;
/* Get our mg + fileName structure. We're forcing
* inheritence from mg essentially. */
AllocVar(gif);
gif->fileName = cloneString(fileName);
gif->useTransparency = useTransparency;
/* Fill in the mg part of this structure with normal memGfx. */
mg = mgNew(width, height);
mgClearPixels(mg);
gif->mg = *mg;
freez(&mg); /* We don't need this copy any more. */
vg->data = gif;
return vg;
}
