diff options
author | rtk0c <[email protected]> | 2022-06-03 23:26:44 -0700 |
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committer | rtk0c <[email protected]> | 2022-06-03 23:26:44 -0700 |
commit | 60ccc62f4934e44ad5b905fdbcf458302b8d8a09 (patch) | |
tree | 02ec83cc8387abfd08bd5ee7ea4e8115f1bfb8d0 /source/30-game/Image.cpp | |
parent | c2ef7737536bf1f8c81fcfae95c0183b21c9753f (diff) |
Changeset: 63 [WIP] Rename directories
Diffstat (limited to 'source/30-game/Image.cpp')
-rw-r--r-- | source/30-game/Image.cpp | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/source/30-game/Image.cpp b/source/30-game/Image.cpp deleted file mode 100644 index 3673acc..0000000 --- a/source/30-game/Image.cpp +++ /dev/null @@ -1,101 +0,0 @@ -#include "Image.hpp" - -#include <stb_image.h> -#include <stb_rect_pack.h> -#include <cstring> - -Image::Image() - : mSize{} - , mChannels{ 0 } { -} - -bool Image::InitFromImageFile(const char* filePath, int desiredChannels) { - // Dimensions of the image in - int width, height; - // Number of channels that the image has, we'll get `desiredChannels` channels in our output (if it's non-0, which is the default argument) - int channels; - - // NOTE: don't free, the data is passed to std::unique_ptr - auto result = (uint8_t*)stbi_load(filePath, &width, &height, &channels, desiredChannels); - if (!result) { - return false; - } - - mData.reset(result); - mSize = { width, height }; - mChannels = desiredChannels == 0 ? channels : desiredChannels; - return true; -} - -bool Image::InitFromImageData(std::span<uint8_t> data, int desiredChannels) { - int width, height; - int channels; - - // NOTE: don't free, the data is passed to std::unique_ptr - auto result = (uint8_t*)stbi_load_from_memory(data.data(), data.size(), &width, &height, &channels, desiredChannels); - if (!result) { - return false; - } - - mData.reset(result); - mSize = { width, height }; - mChannels = desiredChannels == 0 ? channels : desiredChannels; - return true; -} - -bool Image::InitFromPixels(std::span<uint8_t> pixels, glm::ivec2 dimensions, int channels) { - mData = std::make_unique<uint8_t[]>(pixels.size()); - std::memcpy(mData.get(), pixels.data(), pixels.size()); - mSize = dimensions; - mChannels = channels; - return true; -} - -bool Image::InitFromPixels(std::unique_ptr<uint8_t[]> pixels, glm::ivec2 dimensions, int channels) { - mData = std::move(pixels); - mSize = dimensions; - mChannels = channels; - return true; -} - -RgbaColor Image::GetPixel(int x, int y) const { - size_t offset = (y * mSize.x + x) * mChannels; - RgbaColor color; - color.r = mData.get()[offset + 0]; - color.g = mData.get()[offset + 1]; - color.b = mData.get()[offset + 2]; - color.a = mData.get()[offset + 3]; - return color; -} - -void Image::SetPixel(int x, int y, RgbaColor color) { - size_t offset = (y * mSize.x + x) * mChannels; - mData.get()[offset + 0] = color.r; - mData.get()[offset + 1] = color.g; - mData.get()[offset + 2] = color.b; - mData.get()[offset + 3] = color.a; -} - -uint8_t* Image::GetDataPtr() const { - return mData.get(); -} - -size_t Image::GetDataLength() const { - return mSize.x * mSize.y * mChannels * sizeof(uint8_t); -} - -std::span<uint8_t> Image::GetData() const { - return { mData.get(), GetDataLength() }; -} - -glm::ivec2 Image::GetSize() const { - return mSize; -} - -int Image::GetChannels() const { - return mChannels; -} - -bool Image::IsEmpty() const { - return mSize.x == 0 || mSize.y == 0; -} |