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Implement SnesColor and SnesPalette constructors for enhanced color initialization; add methods for setting RGB and SNES values in SnesColor, improving color management and conversion capabilities.

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scawful
2025-04-18 19:04:59 -04:00
parent 6c6f7a9581
commit 8c207dc292
4 changed files with 85 additions and 61 deletions
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49
src/app/gfx/snes_palette.h
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@@ -129,59 +129,26 @@ class SnesPalette {
static constexpr size_t kMaxColors = 256;
using ColorArray = std::array<SnesColor, kMaxColors>;
// Default constructor
SnesPalette() : size_(0) {}
// Constructor from vector of uint16_t (SNES color values)
explicit SnesPalette(const std::vector<uint16_t>& colors) : size_(0) {
for (const auto& color : colors) {
if (size_ < kMaxColors) {
colors_[size_++] = SnesColor(color);
}
}
}
// Constructor from vector of SnesColor
explicit SnesPalette(const std::vector<SnesColor>& colors) : size_(0) {
for (const auto& color : colors) {
if (size_ < kMaxColors) {
colors_[size_++] = color;
}
}
}
// Constructor from raw SNES palette data
explicit SnesPalette(const char* data, size_t length) : size_(0) {
for (size_t i = 0; i < length && size_ < kMaxColors; i += 2) {
uint16_t color = (static_cast<uint8_t>(data[i + 1]) << 8) |
static_cast<uint8_t>(data[i]);
colors_[size_++] = SnesColor(color);
}
}
// Constructor from ImVec4 colors
explicit SnesPalette(const std::vector<ImVec4>& colors) : size_(0) {
for (const auto& color : colors) {
if (size_ < kMaxColors) {
colors_[size_++] = SnesColor(color);
}
}
}
SnesPalette(char* data);
SnesPalette(const unsigned char* snes_pal);
SnesPalette(const char* data, size_t length);
SnesPalette(const std::vector<uint16_t>& colors);
SnesPalette(const std::vector<SnesColor>& colors);
SnesPalette(const std::vector<ImVec4>& colors);
const SnesColor& operator[](size_t index) const { return colors_[index]; }
SnesColor& operator[](size_t index) { return colors_[index]; }
void set_size(size_t size) { size_ = size; }
size_t size() const { return size_; }
bool empty() const { return size_ == 0; }
// Iterators
auto begin() { return colors_.begin(); }
auto end() { return colors_.begin() + size_; }
auto begin() const { return colors_.begin(); }
auto end() const { return colors_.begin() + size_; }
// Color manipulation
void AddColor(const SnesColor& color) {
if (size_ < kMaxColors) {
colors_[size_++] = color;
@@ -196,7 +163,6 @@ class SnesPalette {
void clear() { size_ = 0; }
// Sub-palette creation
SnesPalette sub_palette(size_t start, size_t length) const {
SnesPalette result;
if (start >= size_) {
@@ -209,7 +175,6 @@ class SnesPalette {
return result;
}
// Comparison operators
bool operator==(const SnesPalette& other) const {
if (size_ != other.size_) {
return false;