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add lossy qoi encoding using rdo
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This commit is contained in:
Green Sky
2025-05-12 22:07:15 +02:00
parent 9878cabc9c
commit bd7ee1c167
5 changed files with 83 additions and 29 deletions
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15
src/chat_gui/send_image_popup.cpp
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@@ -473,12 +473,12 @@ void SendImagePopup::render(float time_delta) {
if (compress) {
ImGui::SameLine();
ImGui::Combo("##compression_type", &current_compressor, "webp\0webp lossless\0jpeg\0png\0qoi\0");
ImGui::Combo("##compression_type", &current_compressor, "webp\0webp lossless\0jpeg\0png\0qoi\0qoi lossy\0");
ImGui::Indent();
// combo "webp""webp-lossless""png""jpg?"
// if lossy quality slider (1-100) default 80
if (current_compressor == 0 || current_compressor == 2) {
if (current_compressor == 0 || current_compressor == 2 || current_compressor == 5) {
const uint32_t qmin = 1;
const uint32_t qmax = 100;
recalc_size |= ImGui::SliderScalar("quality", ImGuiDataType_U32, &quality, &qmin, &qmax);
@@ -534,17 +534,22 @@ void SendImagePopup::render(float time_delta) {
_on_send(new_data, ".webp");
}
} else if (current_compressor == 2) {
new_data = ImageEncoderSTBJpeg{}.encodeToMemoryRGBA(tmp_img, {{"quality", quality}});;
new_data = ImageEncoderSTBJpeg{}.encodeToMemoryRGBA(tmp_img, {{"quality", quality}});
if (!new_data.empty()) {
_on_send(new_data, ".jpg");
}
} else if (current_compressor == 3) {
new_data = ImageEncoderSTBPNG{}.encodeToMemoryRGBA(tmp_img, {{"png_compression_level", compression_level}});;
new_data = ImageEncoderSTBPNG{}.encodeToMemoryRGBA(tmp_img, {{"png_compression_level", compression_level}});
if (!new_data.empty()) {
_on_send(new_data, ".png");
}
} else if (current_compressor == 4) {
new_data = ImageEncoderQOI{}.encodeToMemoryRGBA(tmp_img, {});;
new_data = ImageEncoderQOI{}.encodeToMemoryRGBA(tmp_img, {});
if (!new_data.empty()) {
_on_send(new_data, ".qoi");
}
} else if (current_compressor == 5) {
new_data = ImageEncoderQOI{}.encodeToMemoryRGBA(tmp_img, {{"quality", quality}});
if (!new_data.empty()) {
_on_send(new_data, ".qoi");
}