Files
nethack/win/Qt/qt_glyph.cpp
2021-12-30 10:56:06 -08:00

247 lines
7.7 KiB
C++

// Copyright (c) Warwick Allison, 1999.
// Qt4 conversion copyright (c) Ray Chason, 2012-2014.
// NetHack may be freely redistributed. See license for details.
// qt_glyph.cpp -- class to manage the glyphs in a tile set
extern "C" {
#include "hack.h"
#include "tile2x11.h" /* x11tiles is potential fallback for nhtiles.bmp */
}
#undef C
#include "qt_pre.h"
#include <QtGui/QtGui>
#if QT_VERSION >= 0x050000
#include <QtWidgets/QtWidgets>
#endif
#include "qt_post.h"
#include "qt_glyph.h"
#include "qt_bind.h"
#include "qt_set.h"
#include "qt_inv.h"
#include "qt_map.h"
#include "qt_str.h"
extern short glyph2tile[]; // from tile.c
namespace nethack_qt_ {
static int tilefile_tile_W=16;
static int tilefile_tile_H=16;
// Debian uses a separate PIXMAPDIR
#ifndef PIXMAPDIR
# ifdef HACKDIR
# define PIXMAPDIR HACKDIR
# else
# define PIXMAPDIR "."
# endif
#endif
NetHackQtGlyphs::NetHackQtGlyphs()
{
const char* tile_file = PIXMAPDIR "/nhtiles.bmp";
if (iflags.wc_tile_file)
tile_file = iflags.wc_tile_file;
if (!img.load(tile_file)) {
tiles_per_row = TILES_PER_ROW;
tile_file = PIXMAPDIR "/x11tiles";
if (!img.load(tile_file)) {
QString msg = QString::asprintf("Cannot load 'nhtiles.bmp' or 'x11tiles'.");
QMessageBox::warning(0, "IO Error", msg);
iflags.wc_ascii_map = 1;
iflags.wc_tiled_map = 0;
} else {
if (img.width() % tiles_per_row) {
impossible(
"Tile file \"%s\" has %d columns, not multiple of row count (%d)",
tile_file, img.width(), tiles_per_row);
}
}
} else {
tiles_per_row = 40;
}
if (iflags.wc_tile_width)
tilefile_tile_W = iflags.wc_tile_width;
else if (iflags.wc_ascii_map)
tilefile_tile_W = 16;
else
tilefile_tile_W = img.width() / tiles_per_row;
if (iflags.wc_tile_height)
tilefile_tile_H = iflags.wc_tile_height;
else
tilefile_tile_H = tilefile_tile_W;
setSize(tilefile_tile_W, tilefile_tile_H);
}
void NetHackQtGlyphs::drawGlyph(QPainter& painter, int glyph, int tileidx,
int x, int y, bool fem, bool reversed)
{
if (!reversed) {
#if 0
int tile = glyph2tile[glyph];
/* this is not required with the new glyph representation */
if (fem)
++tile;
#else
int tile = tileidx;
#endif
int px = (tile % tiles_per_row) * width();
int py = tile / tiles_per_row * height();
painter.drawPixmap(x, y, pm, px, py, width(), height());
} else {
// for paper doll; mirrored image for left side of two-handed weapon
painter.drawPixmap(x, y, reversed_pixmap(glyph, tileidx, fem),
0, 0, width(), height());
}
}
void NetHackQtGlyphs::drawCell(QPainter& painter, int glyph, int tileidx,
int cellx, int celly, bool fem)
{
drawGlyph(painter, glyph, tileidx, cellx * width(), celly * height(),
fem, false);
}
void NetHackQtGlyphs::drawBorderedCell(QPainter& painter, int glyph,
int tileidx, int cellx, int celly,
int border, bool reversed, bool fem)
{
int wd = width(),
ht = height(),
yoffset = 1, // tiny extra margin at top
lox = cellx * (wd + 2),
loy = celly * (ht + 2) + yoffset;
drawGlyph(painter, glyph, tileidx, lox + 1, loy + 1, fem, reversed);
#ifdef TEXTCOLOR
if (border != NO_BORDER) {
// gray would be a better mid-point between red and cyan but it
// doesn't show up well enough against the wall tile background
painter.setPen((border == BORDER_CURSED) ? Qt::red
: (border == BORDER_UNCURSED) ? Qt::yellow
: (border == BORDER_BLESSED) ? Qt::cyan
: Qt::white); // BORDER_DEFAULT
// assuming 32x32, draw 34x34 rectangle from 0..33x0..33, outside glyph
#if 0 /* Qt 5.11 drawRect(x,y,width,height) seems to have an off by 1 bug;
* drawRect(0,0,34,34) is drawing at 0..34x0..34 which is 35x35;
* should subtract 1 when adding width and/or height to base coord;
* the relevant code in QtCore/QRect.h is correct so this observable
* misbehavior is a mystery... */
painter.drawRect(lox, loy, wd + 2, ht + 2);
#else
painter.drawLine(lox, loy, lox + wd + 1, loy); // 0,0->33,0
painter.drawLine(lox, loy + ht + 1, lox + wd + 1, loy + ht + 1);
painter.drawLine(lox, loy, lox, loy + ht + 1); // 0,0->0,33
painter.drawLine(lox + wd + 1, loy, lox + wd + 1, loy + ht + 1);
#endif
if (border != BORDER_DEFAULT) {
// assuming 32x32, draw rectangle from 1..32x1..32, inside glyph
#if 0 /* (see above) */
painter.drawRect(lox + 1, loy + 1, wd, ht);
#else
painter.drawLine(lox + 1, loy + 1, lox + wd, loy + 1); // 1,1->32,1
painter.drawLine(lox + 1, loy + ht, lox + wd, loy + ht);
painter.drawLine(lox + 1, loy + 1, lox + 1, loy + ht); // 1,1->1,32
painter.drawLine(lox + wd, loy + 1, lox + wd, loy + ht);
#endif
for (int i = lox + 2; i < lox + wd - 1; i += 2) {
// assuming 32x32, draw points along <2..31,2> and <2..31,31>
painter.drawPoint(i, loy + 2);
painter.drawPoint(i + 1, loy + ht - 1);
}
for (int j = loy + 2; j < loy + ht - 1; j += 2) {
// assuming 32x32, draw points along <2,2..31> and <31,2..31>
painter.drawPoint(lox + 2, j);
painter.drawPoint(lox + wd - 1, j + 1);
}
}
}
#else
nhUse(border);
#endif
}
// mis-named routine to get the pixmap for a particular glyph
QPixmap NetHackQtGlyphs::glyph(int glyphindx UNUSED, int tileidx, bool fem UNUSED)
{
#if 0
int tile = glyph2tile[glyphindx];
if (fem)
++tile;
#else
int tile = tileidx;
#endif
int px = (tile % tiles_per_row) * tilefile_tile_W;
int py = tile / tiles_per_row * tilefile_tile_H;
return QPixmap::fromImage(img.copy(px, py,
tilefile_tile_W, tilefile_tile_H));
}
// transpose a glyph's tile horizontally, scaled for use in paper doll
QPixmap NetHackQtGlyphs::reversed_pixmap(int glyphindx, int tileidx, bool fem)
{
QPixmap pxmp = glyph(glyphindx, tileidx, fem);
#ifdef ENHANCED_PAPERDOLL
qreal wid = (qreal) pxmp.width(),
//hgt = (qreal) pxmp.height(),
xscale = (qreal) qt_settings->dollWidth / (qreal) tilefile_tile_W,
yscale = (qreal) qt_settings->dollHeight / (qreal) tilefile_tile_H;
QTransform *mirrormatrix = new QTransform(
// negate x coordinates to flip the image across the y-axis
-1.0 * xscale, 0.0, 0.0, yscale,
// slide flipped image to the right to make things positive again
wid * xscale, 0.0
);
return pxmp.transformed(*mirrormatrix);
#else
return pxmp;
#endif
}
void NetHackQtGlyphs::setSize(int w, int h)
{
if (size == QSize(w, h))
return;
size = QSize(w, h);
if (!w || !h)
return; // Still not decided
if (size == pm1.size()) { // not zoomed
pm = pm1;
return;
}
if (size == pm2.size()) { // zoomed
pm = pm2;
return;
}
bool was1 = (size == pm1.size());
if (w == tilefile_tile_W && h == tilefile_tile_H) {
pm.convertFromImage(img);
} else {
QApplication::setOverrideCursor(Qt::WaitCursor);
QImage scaled = img.scaled(
w * img.width() / tilefile_tile_W,
h * img.height() / tilefile_tile_H,
Qt::IgnoreAspectRatio,
Qt::FastTransformation
);
pm.convertFromImage(scaled, Qt::ThresholdDither | Qt::PreferDither);
QApplication::restoreOverrideCursor();
}
(was1 ? pm2 : pm1) = pm;
}
} // namespace nethack_qt_