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Implement slicing input image

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This commit is contained in:
ISSOtm
2022-05-21 19:15:11 +02:00
committed by Eldred Habert
parent 9646f15b59
commit 3f70372308
8 changed files with 91 additions and 46 deletions
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18
src/gfx/process.cpp
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@@ -218,10 +218,10 @@ public:
png_get_IHDR(png, info, &width, &height, &bitDepth, &colorType, &interlaceType, nullptr,
nullptr);
if (width % 8 != 0) {
if (options.inputSlice.width == 0 && width % 8 != 0) {
fatal("Image width (%" PRIu32 " pixels) is not a multiple of 8!", width);
}
if (height % 8 != 0) {
if (options.inputSlice.height == 0 && height % 8 != 0) {
fatal("Image height (%" PRIu32 " pixels) is not a multiple of 8!", height);
}
@@ -424,8 +424,12 @@ public:
uint32_t const limit;
uint32_t x, y;
std::pair<uint32_t, uint32_t> coords() const { return {x, y}; }
Tile operator*() const { return {parent._png, x, y}; }
std::pair<uint32_t, uint32_t> coords() const {
return {x + options.inputSlice.left, y + options.inputSlice.top};
}
Tile operator*() const {
return {parent._png, x + options.inputSlice.left, y + options.inputSlice.top};
}
iterator &operator++() {
auto [major, minor] = parent._columnMajor ? std::tie(y, x) : std::tie(x, y);
@@ -455,7 +459,8 @@ public:
};
public:
TilesVisitor visitAsTiles(bool columnMajor) const {
return {*this, columnMajor, width, height};
return {*this, columnMajor, options.inputSlice.width ? options.inputSlice.width * 8 : width,
options.inputSlice.height ? options.inputSlice.height * 8 : height};
}
};
@@ -1010,7 +1015,8 @@ void process() {
attrs.protoPaletteID = protoPalettes.size();
if (protoPalettes.size() == AttrmapEntry::transparent) { // Check for overflow
fatal("Reached %zu proto-palettes... sorry, this image is too much for me to handle :(", AttrmapEntry::transparent);
fatal("Reached %zu proto-palettes... sorry, this image is too much for me to handle :(",
AttrmapEntry::transparent);
}
protoPalettes.push_back(tileColors);
contained:;