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fix crash on 16-bit component textures

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This commit is contained in:
David Rose 2004-02-03 01:13:15 +00:00
parent d0f31471fa
commit 7032f7548e
1 changed files with 4 additions and 1 deletions
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5
panda/src/gobj/pixelBuffer.cxx
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@ -236,6 +236,7 @@ bool PixelBuffer::load(const PNMImage& pnmimage)
_xsize = pnmimage.get_x_size();
_ysize = pnmimage.get_y_size();
_num_components = num_components;
_component_width = 1;
_loaded = true;
// Now copy the pixel data from the PNMImage into our internal
@ -270,7 +271,8 @@ bool PixelBuffer::load(const PNMImage& pnmimage)
// Another possible case: two bytes per pixel, and the source
// image shows a maxval of 65535. Again, no scaling is necessary.
_type = T_unsigned_short;
// _image = PTA_uchar::empty_array(_xsize * _ysize * _num_components * 2);
_image = PTA_uchar::empty_array(_xsize * _ysize * _num_components * 2);
_component_width = 2;
int idx = 0;
for (int j = _ysize-1; j >= 0; j--) {
@ -318,6 +320,7 @@ bool PixelBuffer::load(const PNMImage& pnmimage)
// values.
_type = T_unsigned_short;
_image = PTA_uchar::empty_array(_xsize * _ysize * _num_components * 2);
_component_width = 2;
int idx = 0;
double scale = 65535.0 / (double)maxval;