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Fixed crash when creating an empty sf::Image

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This commit is contained in:
Laurent Gomila 2012-05-10 22:48:02 +02:00
parent 5207930169
commit ac43578f75
1 changed files with 26 additions and 16 deletions
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42
src/SFML/Graphics/Image.cpp
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@ -45,22 +45,32 @@ m_size(0, 0)
////////////////////////////////////////////////////////////
void Image::create(unsigned int width, unsigned int height, const Color& color)
{
// Assign the new size
m_size.x = width;
m_size.y = height;
// Resize the pixel buffer
m_pixels.resize(width * height * 4);
// Fill it with the specified color
Uint8* ptr = &m_pixels[0];
Uint8* end = ptr + m_pixels.size();
while (ptr < end)
if (width && height)
{
*ptr++ = color.r;
*ptr++ = color.g;
*ptr++ = color.b;
*ptr++ = color.a;
// Assign the new size
m_size.x = width;
m_size.y = height;
// Resize the pixel buffer
m_pixels.resize(width * height * 4);
// Fill it with the specified color
Uint8* ptr = &m_pixels[0];
Uint8* end = ptr + m_pixels.size();
while (ptr < end)
{
*ptr++ = color.r;
*ptr++ = color.g;
*ptr++ = color.b;
*ptr++ = color.a;
}
}
else
{
// Create an empty image
m_size.x = 0;
m_size.y = 0;
m_pixels.clear();
}
}
@ -68,7 +78,7 @@ void Image::create(unsigned int width, unsigned int height, const Color& color)
////////////////////////////////////////////////////////////
void Image::create(unsigned int width, unsigned int height, const Uint8* pixels)
{
if (pixels)
if (pixels && width && height)
{
// Assign the new size
m_size.x = width;