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-rw-r--r--Source/Core/VideoCommon/ImageWrite.cpp116
1 files changed, 14 insertions, 102 deletions
diff --git a/Source/Core/VideoCommon/ImageWrite.cpp b/Source/Core/VideoCommon/ImageWrite.cpp
index aa3bdbe7e9..d2dcbc9dc5 100644
--- a/Source/Core/VideoCommon/ImageWrite.cpp
+++ b/Source/Core/VideoCommon/ImageWrite.cpp
@@ -9,9 +9,7 @@
#include "Common/CommonTypes.h"
#include "Common/File.h"
#include "Common/FileUtil.h"
-#include "Common/MsgHandler.h"
-#include "VideoCommon/ImageWrite.h"
-#include "png.h"
+#include "Common/Image.h"
bool SaveData(const std::string& filename, const std::string& data)
{
@@ -22,11 +20,6 @@ bool SaveData(const std::string& filename, const std::string& data)
return true;
}
-#ifdef _MSC_VER
-#pragma warning(push)
-#pragma warning(disable : 4611)
-#endif
-
/*
TextureToPng
@@ -35,111 +28,30 @@ data : This is an array of RGBA with 8 bits per channel. 4 bytes for each p
row_stride: Determines the amount of bytes per row of pixels.
*/
bool TextureToPng(const u8* data, int row_stride, const std::string& filename, int width,
- int height, bool saveAlpha)
+ int height, bool save_alpha)
{
if (!data)
return false;
- bool success = false;
- char title[] = "Dolphin Screenshot";
- char title_key[] = "Title";
- png_structp png_ptr = nullptr;
- png_infop info_ptr = nullptr;
- std::vector<u8> buffer;
-
- // Open file for writing (binary mode)
- File::IOFile fp(filename, "wb");
- if (!fp.IsOpen())
- {
- PanicAlertFmtT("Screenshot failed: Could not open file \"{0}\" (error {1})", filename, errno);
- goto finalise;
- }
-
- // Initialize write structure
- png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr);
- if (png_ptr == nullptr)
- {
- PanicAlertFmt("Screenshot failed: Could not allocate write struct");
- goto finalise;
- }
-
- // Initialize info structure
- info_ptr = png_create_info_struct(png_ptr);
- if (info_ptr == nullptr)
- {
- PanicAlertFmt("Screenshot failed: Could not allocate info struct");
- goto finalise;
- }
-
- // Classical libpng error handling uses longjmp to do C-style unwind.
- // Modern libpng does support a user callback, but it's required to operate
- // in the same way (just gives a chance to do stuff before the longjmp).
- // Instead of futzing with it, we use gotos specifically so the compiler
- // will still generate proper destructor calls for us (hopefully).
- // We also do not use any local variables outside the region longjmp may
- // have been called from if they were modified inside that region (they
- // would need to be volatile).
- if (setjmp(png_jmpbuf(png_ptr)))
+ if (save_alpha)
{
- PanicAlertFmt("Screenshot failed: Error during PNG creation");
- goto finalise;
+ return Common::SavePNG(filename, data, Common::ImageByteFormat::RGBA, width, height,
+ row_stride);
}
- // Begin region which may call longjmp
-
- png_init_io(png_ptr, fp.GetHandle());
-
- // Write header (8 bit color depth)
- png_set_IHDR(png_ptr, info_ptr, width, height, 8, PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE,
- PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
-
- png_text title_text;
- title_text.compression = PNG_TEXT_COMPRESSION_NONE;
- title_text.key = title_key;
- title_text.text = title;
- png_set_text(png_ptr, info_ptr, &title_text, 1);
-
- png_write_info(png_ptr, info_ptr);
-
- if (!saveAlpha)
- buffer.resize(width * 4);
+ std::vector<u8> buffer;
+ buffer.reserve(width * height * 3);
- // Write image data
- for (auto y = 0; y < height; ++y)
+ for (int y = 0; y < height; ++y)
{
- const u8* row_ptr = data + y * row_stride;
- if (!saveAlpha)
+ const u8* pos = data + y * row_stride;
+ for (int x = 0; x < width; ++x)
{
- for (int x = 0; x < width; x++)
- {
- for (int i = 0; i < 3; i++)
- buffer[4 * x + i] = row_ptr[4 * x + i];
- buffer[4 * x + 3] = 0xff;
- }
- row_ptr = buffer.data();
+ buffer.push_back(pos[x * 4]);
+ buffer.push_back(pos[x * 4 + 1]);
+ buffer.push_back(pos[x * 4 + 2]);
}
-
- // The old API uses u8* instead of const u8*. It doesn't write
- // to this pointer, but to fit the API, we have to drop the const qualifier.
- png_write_row(png_ptr, const_cast<u8*>(row_ptr));
}
- // End write
- png_write_end(png_ptr, nullptr);
-
- // End region which may call longjmp
-
- success = true;
-
-finalise:
- if (info_ptr != nullptr)
- png_free_data(png_ptr, info_ptr, PNG_FREE_ALL, -1);
- if (png_ptr != nullptr)
- png_destroy_write_struct(&png_ptr, (png_infopp) nullptr);
-
- return success;
+ return Common::SavePNG(filename, buffer.data(), Common::ImageByteFormat::RGB, width, height);
}
-
-#ifdef _MSC_VER
-#pragma warning(pop)
-#endif