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Fix bitmap loading.

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Signed-off-by: Andrea Odetti <mariofutire@gmail.com>
This commit is contained in:
Andrea Odetti 2020-12-11 20:52:40 +00:00
parent 7f441060f2
commit b95bcadfe9
1 changed files with 16 additions and 8 deletions
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24
source/frontends/retro/bitmaps.cpp
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@ -5,6 +5,7 @@
#include <frontends/common2/resources.h>
#include <fstream>
#include <cstring>
namespace
{
@ -94,8 +95,6 @@ HBITMAP LoadBitmap(HINSTANCE hInstance, const char * resource)
const std::string filename = getFilename(resource);
const std::string path = getResourcePath() + filename;
log_cb(RETRO_LOG_INFO, "RA2: %s. Path = %s\n", __FUNCTION__, path.c_str());
std::vector<char> buffer;
readFileToBuffer(path, buffer);
@ -107,10 +106,21 @@ HBITMAP LoadBitmap(HINSTANCE hInstance, const char * resource)
uint32_t size;
const bool res = getBitmapData(buffer, width, height, bpp, data, size);
if (res)
log_cb(RETRO_LOG_INFO, "RA2: %s. %s = %dx%d, %dbpp\n", __FUNCTION__, path.c_str(),
width, height, bpp);
if (res && height > 0)
{
CBITMAP * bitmap = new CBITMAP;
bitmap->image.assign(data, data + size);
bitmap->image.resize(size);
const size_t length = size / height;
// rows are stored upside down
for (size_t row = 0; row < height; ++row)
{
const char * src = data + row * length;
char * dst = bitmap->image.data() + (height - row - 1) * length;
memcpy(dst, src, length);
}
return bitmap;
}
}
@ -135,9 +145,7 @@ LONG GetBitmapBits(HBITMAP hbit, LONG cb, LPVOID lpvBits)
const size_t copied = std::min(requested, size);
char * dest = static_cast<char *>(lpvBits);
for (size_t i = 0; i < copied; ++i)
{
dest[i] = ~bits[i];
}
memcpy(dest, bits, copied);
return copied;
}