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Warn on big image dimensions, fixes #14

This commit is contained in:
sfan5 2016-08-09 16:04:58 +02:00
parent 15fae27b85
commit 2ed45633a4
1 changed files with 9 additions and 2 deletions
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11
TileGenerator.cpp
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@ -355,10 +355,17 @@ void TileGenerator::createImage()
{
m_mapWidth = (m_xMax - m_xMin + 1) * 16;
m_mapHeight = (m_zMax - m_zMin + 1) * 16;
m_image = gdImageCreateTrueColor((m_mapWidth * m_zoom) + m_border, (m_mapHeight * m_zoom) + m_border);
int image_width, image_height;
image_width = (m_mapWidth * m_zoom) + m_border;
image_height = (m_mapHeight * m_zoom) + m_border;
if(image_width > 4096 || image_height > 4096)
std::cerr << "Warning: The width or height of the image to be created exceeds 4096 pixels!"
<< " (Dimensions: " << image_width << "x" << image_height << ")"
<< std::endl;
m_image = gdImageCreateTrueColor(image_width, image_height);
m_blockPixelAttributes.setWidth(m_mapWidth);
// Background
gdImageFilledRectangle(m_image, 0, 0, (m_mapWidth * m_zoom) + m_border - 1, (m_mapHeight * m_zoom) + m_border -1, color2int(m_bgColor));
gdImageFilledRectangle(m_image, 0, 0, image_width - 1, image_height - 1, color2int(m_bgColor));
}
void TileGenerator::renderMap()