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use alpha channel if alpha image has it

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This commit is contained in:
David Rose 2003-03-20 14:56:48 +00:00
parent 402b679d1e
commit b6eefd9e23
2 changed files with 22 additions and 6 deletions
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14
panda/src/gobj/texture.cxx
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@ -246,9 +246,17 @@ read(const Filename &fullpath, const Filename &alpha_fullpath) {
// Make the original image a 4-component image // Make the original image a 4-component image
image.add_alpha(); image.add_alpha();
for (int x = 0; x < image.get_x_size(); x++) { if (alpha_image.has_alpha()) {
for (int y = 0; y < image.get_y_size(); y++) { for (int x = 0; x < image.get_x_size(); x++) {
image.set_alpha(x, y, alpha_image.get_gray(x, y)); for (int y = 0; y < image.get_y_size(); y++) {
image.set_alpha(x, y, alpha_image.get_alpha(x, y));
}
}
} else {
for (int x = 0; x < image.get_x_size(); x++) {
for (int y = 0; y < image.get_y_size(); y++) {
image.set_alpha(x, y, alpha_image.get_gray(x, y));
}
} }
} }

14
pandatool/src/egg-palettize/imageFile.cxx
View File

@ -293,9 +293,17 @@ read(PNMImage &image) const {
} }
image.add_alpha(); image.add_alpha();
for (int y = 0; y < image.get_y_size(); y++) { if (alpha_image.has_alpha()) {
for (int x = 0; x < image.get_x_size(); x++) { for (int y = 0; y < image.get_y_size(); y++) {
image.set_alpha(x, y, alpha_image.get_gray(x, y)); for (int x = 0; x < image.get_x_size(); x++) {
image.set_alpha(x, y, alpha_image.get_alpha(x, y));
}
}
} else {
for (int y = 0; y < image.get_y_size(); y++) {
for (int x = 0; x < image.get_x_size(); x++) {
image.set_alpha(x, y, alpha_image.get_gray(x, y));
}
} }
} }
} }