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https://github.com/minetest/minetestmapper.git
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Zoom implementation (--zoom option)
This commit is contained in:
Florian Schüller
sfan5
parent
7c1989a6b2
commit
15fae27b85
29
README.rst
29
README.rst
@ -43,41 +43,44 @@ Parameters
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^^^^^^^^^^
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bgcolor:
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Background color of image, `--bgcolor #ffffff`
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Background color of image, e.g. ``--bgcolor #ffffff``
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scalecolor:
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Color of scale, `--scalecolor #000000`
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Color of scale, e.g. ``--scalecolor #000000``
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playercolor:
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Color of player indicators, `--playercolor #ff0000`
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Color of player indicators, e.g. ``--playercolor #ff0000``
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origincolor:
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Color of origin indicator, `--origincolor #ff0000`
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Color of origin indicator, e.g. ``--origincolor #ff0000``
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drawscale:
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Draw tick marks, `--drawscale`
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Draw tick marks, ``--drawscale``
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drawplayers:
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Draw player indicators, `--drawplayers`
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Draw player indicators, ``--drawplayers``
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draworigin:
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Draw origin indicator, `--draworigin`
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Draw origin indicator, ``--draworigin``
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drawalpha:
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Allow nodes to be drawn with transparency, `--drawalpha`
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Allow nodes to be drawn with transparency, ``--drawalpha``
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noshading:
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Don't draw shading on nodes, `--noshading`
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Don't draw shading on nodes, ``--noshading``
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min-y:
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Don't draw nodes below this y value, `--min-y -25`
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Don't draw nodes below this y value, e.g. ``--min-y -25``
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max-y:
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Don't draw nodes above this y value, `--max-y 75`
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Don't draw nodes above this y value, e.g. ``--max-y 75``
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backend:
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Use specific map backend, supported: sqlite3, leveldb, redis, `--backend leveldb`
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Use specific map backend, supported: *sqlite3*, *leveldb*, *redis*, e.g. ``--backend leveldb``
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geometry:
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Limit area to specific geometry, `--geometry -800:-800+1600+1600`
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Limit area to specific geometry, e.g. ``--geometry -800:-800+1600+1600``
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zoom:
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"Zoom" the image by using more than one pixel per node, e.g. ``--zoom 4``
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@ -120,7 +120,8 @@ TileGenerator::TileGenerator():
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m_geomX(-2048),
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m_geomY(-2048),
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m_geomX2(2048),
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m_geomY2(2048)
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m_geomY2(2048),
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m_zoom(1)
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{
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}
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@ -148,6 +149,14 @@ void TileGenerator::setPlayerColor(const std::string &playerColor)
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m_playerColor = parseColor(playerColor);
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}
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void TileGenerator::setZoom(int zoom)
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{
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if (zoom < 1) {
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throw std::runtime_error("Zoom level needs to be a number: 1 or higher");
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}
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m_zoom = zoom;
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}
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Color TileGenerator::parseColor(const std::string &color)
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{
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Color parsed;
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@ -346,10 +355,10 @@ void TileGenerator::createImage()
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{
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m_mapWidth = (m_xMax - m_xMin + 1) * 16;
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m_mapHeight = (m_zMax - m_zMin + 1) * 16;
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m_image = gdImageCreateTrueColor(m_mapWidth + m_border, m_mapHeight + m_border);
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m_image = gdImageCreateTrueColor((m_mapWidth * m_zoom) + m_border, (m_mapHeight * m_zoom) + m_border);
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m_blockPixelAttributes.setWidth(m_mapWidth);
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// Background
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gdImageFilledRectangle(m_image, 0, 0, m_mapWidth + m_border - 1, m_mapHeight + m_border -1, color2int(m_bgColor));
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gdImageFilledRectangle(m_image, 0, 0, (m_mapWidth * m_zoom) + m_border - 1, (m_mapHeight * m_zoom) + m_border -1, color2int(m_bgColor));
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}
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void TileGenerator::renderMap()
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@ -497,12 +506,12 @@ inline void TileGenerator::renderMapBlock(const ustring &mapBlock, const BlockPo
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int minY = (pos.y * 16 > m_yMin) ? 0 : m_yMin - pos.y * 16;
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int maxY = (pos.y * 16 < m_yMax) ? 15 : m_yMax - pos.y * 16;
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for (int z = 0; z < 16; ++z) {
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int imageY = getImageY(zBegin + 15 - z);
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int imageY = zBegin + 15 - z;
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for (int x = 0; x < 16; ++x) {
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if (m_readPixels[z] & (1 << x)) {
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continue;
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}
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int imageX = getImageX(xBegin + x);
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int imageX = xBegin + x;
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for (int y = maxY; y >= minY; --y) {
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int position = x + (y << 4) + (z << 8);
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@ -523,7 +532,7 @@ inline void TileGenerator::renderMapBlock(const ustring &mapBlock, const BlockPo
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else
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m_color[z][x] = mixColors(m_color[z][x], c);
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if(m_color[z][x].a == 0xFF) {
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m_image->tpixels[imageY][imageX] = color2int(m_color[z][x]);
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setZoomed(m_image,imageY,imageX,color2int(m_color[z][x]));
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m_readPixels[z] |= (1 << x);
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m_blockPixelAttributes.attribute(15 - z, xBegin + x).thickness = m_thickness[z][x];
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} else {
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@ -531,7 +540,7 @@ inline void TileGenerator::renderMapBlock(const ustring &mapBlock, const BlockPo
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continue;
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}
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} else {
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m_image->tpixels[imageY][imageX] = color2int(c);
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setZoomed(m_image,imageY,imageX,color2int(c));
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m_readPixels[z] |= (1 << x);
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}
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if(!(m_readInfo[z] & (1 << x))) {
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@ -553,15 +562,15 @@ inline void TileGenerator::renderMapBlockBottom(const BlockPos &pos)
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int xBegin = (pos.x - m_xMin) * 16;
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int zBegin = (m_zMax - pos.z) * 16;
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for (int z = 0; z < 16; ++z) {
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int imageY = getImageY(zBegin + 15 - z);
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int imageY = zBegin + 15 - z;
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for (int x = 0; x < 16; ++x) {
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if (m_readPixels[z] & (1 << x)) {
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continue;
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}
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int imageX = getImageX(xBegin + x);
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int imageX = xBegin + x;
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if (m_drawAlpha) {
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m_image->tpixels[imageY][imageX] = color2int(m_color[z][x]);
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setZoomed(m_image,imageY,imageX, color2int(m_color[z][x]));
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m_readPixels[z] |= (1 << x);
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m_blockPixelAttributes.attribute(15 - z, xBegin + x).thickness = m_thickness[z][x];
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}
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@ -577,7 +586,6 @@ inline void TileGenerator::renderShading(int zPos)
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if (imageY >= m_mapHeight) {
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continue;
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}
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imageY = getImageY(imageY);
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for (int x = 0; x < m_mapWidth; ++x) {
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if (!m_blockPixelAttributes.attribute(z, x).valid_height() || !m_blockPixelAttributes.attribute(z, x - 1).valid_height() || !m_blockPixelAttributes.attribute(z - 1, x).valid_height()) {
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continue;
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@ -592,15 +600,14 @@ inline void TileGenerator::renderShading(int zPos)
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// more thickness -> less visible shadows: t=0 -> 100% visible, t=255 -> 0% visible
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if (m_drawAlpha)
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d = d * ((0xFF - m_blockPixelAttributes.attribute(z, x).thickness) / 255.0);
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int sourceColor = m_image->tpixels[imageY][getImageX(x)] & 0xffffff;
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int sourceColor = m_image->tpixels[getImageY(imageY)][getImageX(x)] & 0xffffff;
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uint8_t r = (sourceColor & 0xff0000) >> 16;
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uint8_t g = (sourceColor & 0x00ff00) >> 8;
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uint8_t b = (sourceColor & 0x0000ff);
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r = colorSafeBounds(r + d);
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g = colorSafeBounds(g + d);
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b = colorSafeBounds(b + d);
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m_image->tpixels[imageY][getImageX(x)] = rgb2int(r, g, b);
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setZoomed(m_image,imageY,x, rgb2int(r, g, b));
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}
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}
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m_blockPixelAttributes.scroll();
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@ -619,7 +626,7 @@ void TileGenerator::renderScale()
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buf << i * 16;
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scaleText = buf.str();
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int xPos = m_xMin * -16 + i * 16 + m_border;
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int xPos = (m_xMin * -16 + i * 16)*m_zoom + m_border;
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gdImageString(m_image, gdFontGetMediumBold(), xPos + 2, 0, reinterpret_cast<unsigned char *>(const_cast<char *>(scaleText.c_str())), color);
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gdImageLine(m_image, xPos, 0, xPos, m_border - 1, color);
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}
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@ -629,7 +636,7 @@ void TileGenerator::renderScale()
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buf << i * 16;
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scaleText = buf.str();
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int yPos = m_mapHeight - 1 - (i * 16 - m_zMin * 16) + m_border;
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int yPos = (m_mapHeight - 1 - (i * 16 - m_zMin * 16))*m_zoom + m_border;
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gdImageString(m_image, gdFontGetMediumBold(), 2, yPos, reinterpret_cast<unsigned char *>(const_cast<char *>(scaleText.c_str())), color);
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gdImageLine(m_image, 0, yPos, m_border - 1, yPos, color);
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}
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@ -637,8 +644,8 @@ void TileGenerator::renderScale()
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void TileGenerator::renderOrigin()
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{
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int imageX = -m_xMin * 16 + m_border;
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int imageY = m_mapHeight - m_zMin * -16 + m_border;
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int imageX = (-m_xMin * 16)*m_zoom + m_border;
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int imageY = (m_mapHeight - m_zMin * -16)*m_zoom + m_border;
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gdImageArc(m_image, imageX, imageY, 12, 12, 0, 360, color2int(m_originColor));
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}
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@ -648,8 +655,8 @@ void TileGenerator::renderPlayers(const std::string &inputPath)
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PlayerAttributes players(inputPath);
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for (PlayerAttributes::Players::iterator player = players.begin(); player != players.end(); ++player) {
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int imageX = player->x / 10 - m_xMin * 16 + m_border;
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int imageY = m_mapHeight - (player->z / 10 - m_zMin * 16) + m_border;
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int imageX = (player->x / 10 - m_xMin * 16)*m_zoom + m_border;
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int imageY = (m_mapHeight - (player->z / 10 - m_zMin * 16))*m_zoom + m_border;
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gdImageArc(m_image, imageX, imageY, 5, 5, 0, 360, color);
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gdImageString(m_image, gdFontGetMediumBold(), imageX + 2, imageY + 2, reinterpret_cast<unsigned char *>(const_cast<char *>(player->name.c_str())), color);
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@ -694,10 +701,19 @@ void TileGenerator::printUnknown()
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inline int TileGenerator::getImageX(int val) const
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{
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return val + m_border;
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return (m_zoom*val) + m_border;
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}
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inline int TileGenerator::getImageY(int val) const
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{
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return val + m_border;
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return (m_zoom*val) + m_border;
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}
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inline void TileGenerator::setZoomed(gdImagePtr image, int y, int x, int color) {
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int xx,yy;
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for (xx = 0; xx < m_zoom; xx++) {
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for (yy = 0; yy < m_zoom; yy++) {
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image->tpixels[m_border + (y*m_zoom) + xx][m_border + (x*m_zoom) + yy] = color;
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}
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}
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}
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@ -71,6 +71,7 @@ public:
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void parseColorsFile(const std::string &fileName);
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void setBackend(std::string backend);
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void generate(const std::string &input, const std::string &output);
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void setZoom(int zoom);
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private:
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void parseColorsStream(std::istream &in);
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@ -89,6 +90,7 @@ private:
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void printUnknown();
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int getImageX(int val) const;
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int getImageY(int val) const;
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void setZoomed(gdImagePtr image, int x, int y, int color);
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private:
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Color m_bgColor;
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@ -129,6 +131,7 @@ private:
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int m_blockAirId;
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int m_blockIgnoreId;
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int m_zoom;
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}; // class TileGenerator
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#endif // TILEGENERATOR_HEADER
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12
mapper.cpp
12
mapper.cpp
@ -36,6 +36,7 @@ void usage()
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" --max-y <y>\n"
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" --backend <backend>\n"
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" --geometry x:y+w+h\n"
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" --zoom <zoomlevel>\n"
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"Color format: '#000000'\n";
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std::cout << usage_text;
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}
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@ -59,7 +60,8 @@ int main(int argc, char *argv[])
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{"backend", required_argument, 0, 'd'},
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{"geometry", required_argument, 0, 'g'},
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{"min-y", required_argument, 0, 'a'},
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{"max-y", required_argument, 0, 'c'}
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{"max-y", required_argument, 0, 'c'},
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{"zoom", required_argument, 0, 'z'}
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};
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string input;
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@ -148,6 +150,14 @@ int main(int argc, char *argv[])
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generator.setGeometry(x, y, w, h);
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}
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break;
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case 'z': {
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istringstream iss;
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iss.str(optarg);
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int zoom;
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iss >> zoom;
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generator.setZoom(zoom);
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}
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break;
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default:
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exit(1);
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}
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