void save_screen_snapshot_as(void *fp,struct osd_bitmap *bitmap)
{
if (Machine->drv->video_attributes & VIDEO_TYPE_VECTOR)
png_write_bitmap(fp,bitmap);
else
{
struct osd_bitmap *copy;
int sizex, sizey, scalex, scaley;
sizex = Machine->visible_area.max_x - Machine->visible_area.min_x + 1;
sizey = Machine->visible_area.max_y - Machine->visible_area.min_y + 1;
scalex = 1;
scaley = (Machine->drv->video_attributes & VIDEO_PIXEL_ASPECT_RATIO_1_2) ? 2 : 1;
copy = bitmap_alloc_depth(sizex * scalex,sizey * scaley,bitmap->depth);
if (copy)
{
copyrozbitmap(copy,bitmap,
Machine->visible_area.min_x << 16,Machine->visible_area.min_y << 16,
0x10000 / scalex,0,0,0x10000 / scaley, /* zoom, no rotation */
0, /* no wraparound */
0,TRANSPARENCY_NONE,0,0);
png_write_bitmap(fp,copy);
bitmap_free(copy);
}
}
}
void video_manager::save_snapshot(screen_device *screen, emu_file &file)
{
// validate
assert(!m_snap_native || screen != nullptr);
// create the bitmap to pass in
create_snapshot_bitmap(screen);
// add two text entries describing the image
std::string text1 = std::string(emulator_info::get_appname()).append(" ").append(build_version);
std::string text2 = std::string(machine().system().manufacturer).append(" ").append(machine().system().description);
png_info pnginfo = { nullptr };
png_add_text(&pnginfo, "Software", text1.c_str());
png_add_text(&pnginfo, "System", text2.c_str());
// now do the actual work
const rgb_t *palette = (screen != nullptr && screen->has_palette()) ? screen->palette().palette()->entry_list_adjusted() : nullptr;
int entries = (screen != nullptr && screen->has_palette()) ? screen->palette().entries() : 0;
png_error error = png_write_bitmap(file, &pnginfo, m_snap_bitmap, entries, palette);
if (error != PNGERR_NONE)
osd_printf_error("Error generating PNG for snapshot: png_error = %d\n", error);
// free any data allocated
png_free(&pnginfo);
}
void gr_opengl_print_screen(const char *filename)
{
char tmp[MAX_PATH_LEN];
GLubyte *pixels = NULL;
GLuint pbo = 0;
// save to a "screenshots" directory and tack on the filename
snprintf(tmp, MAX_PATH_LEN-1, "screenshots/%s.png", filename);
_mkdir(os_get_config_path("screenshots").c_str());
// glReadBuffer(GL_FRONT);
// now for the data
if (Use_PBOs) {
Assert( !pbo );
glGenBuffers(1, &pbo);
if ( !pbo ) {
return;
}
glBindBuffer(GL_PIXEL_PACK_BUFFER, pbo);
glBufferData(GL_PIXEL_PACK_BUFFER, (gr_screen.max_w * gr_screen.max_h * 4), NULL, GL_STATIC_READ);
glReadBuffer(GL_FRONT);
glReadPixels(0, 0, gr_screen.max_w, gr_screen.max_h, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
// map the image data so that we can save it to file
pixels = (GLubyte*) glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
} else {
pixels = (GLubyte*) vm_malloc(gr_screen.max_w * gr_screen.max_h * 4, memory::quiet_alloc);
if (pixels == NULL) {
return;
}
glReadPixels(0, 0, gr_screen.max_w, gr_screen.max_h, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, pixels);
glFlush();
}
if (!png_write_bitmap(os_get_config_path(tmp).c_str(), gr_screen.max_w, gr_screen.max_h, true, pixels)) {
ReleaseWarning(LOCATION, "Failed to write screenshot to \"%s\".", os_get_config_path(tmp).c_str());
}
if (pbo) {
glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
pixels = NULL;
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
glDeleteBuffers(1, &pbo);
}
if (pixels != NULL) {
vm_free(pixels);
}
}
void iq151_minigraf_device::device_stop()
{
#if DUMP_PAPER_INTO_PNG
emu_file file(machine().options().snapshot_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS);
file_error filerr = file.open("iq151_minigraf.png");
if (filerr == FILERR_NONE)
{
static const rgb_t png_palette[] = { RGB_WHITE, RGB_BLACK };
// save the paper into a png
png_write_bitmap(file, NULL, *m_paper, 2, png_palette);
}
#endif
}
void iq151_ms151a_device::device_stop()
{
#if DUMP_PAPER_INTO_PNG
emu_file file(machine().options().snapshot_directory(), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS);
osd_file::error filerr = file.open("iq151_ms151a.png");
if (filerr == osd_file::error::NONE)
{
static const rgb_t png_palette[] = { rgb_t::white, rgb_t::black };
// save the paper into a png
png_write_bitmap(file, NULL, *m_paper, 2, png_palette);
}
#endif
}
void video_manager::save_snapshot(screen_device *screen, emu_file &file)
{
// validate
assert(!m_snap_native || screen != NULL);
// create the bitmap to pass in
create_snapshot_bitmap(screen);
// add two text entries describing the image
astring text1(emulator_info::get_appname(), " ", build_version);
astring text2(machine().system().manufacturer, " ", machine().system().description);
png_info pnginfo = { 0 };
png_add_text(&pnginfo, "Software", text1);
png_add_text(&pnginfo, "System", text2);
// now do the actual work
const rgb_t *palette = (machine().palette != NULL) ? palette_entry_list_adjusted(machine().palette) : NULL;
png_error error = png_write_bitmap(file, &pnginfo, m_snap_bitmap, machine().total_colors(), palette);
if (error != PNGERR_NONE)
mame_printf_error("Error generating PNG for snapshot: png_error = %d\n", error);
// free any data allocated
png_free(&pnginfo);
}
static int generate_png_diff(const summary_file *curfile, std::string &destdir, const char *destname)
{
bitmap_argb32 bitmaps[MAX_COMPARES];
std::string srcimgname;
std::string dstfilename;
std::string tempname;
bitmap_argb32 finalbitmap;
int width, height, maxwidth;
int bitmapcount = 0;
int listnum, bmnum;
util::core_file::ptr file;
osd_file::error filerr;
png_error pngerr;
int error = -1;
int starty;
/* generate the common source filename */
dstfilename = string_format("%s" PATH_SEPARATOR "%s", destdir.c_str(), destname);
srcimgname = string_format("snap" PATH_SEPARATOR "%s" PATH_SEPARATOR "final.png", curfile->name);
/* open and load all unique bitmaps */
for (listnum = 0; listnum < list_count; listnum++)
if (curfile->matchbitmap[listnum] == listnum)
{
tempname = string_format("%s" PATH_SEPARATOR "%s", lists[listnum].dir, srcimgname.c_str());
/* open the source image */
filerr = util::core_file::open(tempname, OPEN_FLAG_READ, file);
if (filerr != osd_file::error::NONE)
goto error;
/* load the source image */
pngerr = png_read_bitmap(*file, bitmaps[bitmapcount++]);
file.reset();
if (pngerr != PNGERR_NONE)
goto error;
}
/* if there's only one unique bitmap, skip it */
if (bitmapcount <= 1)
goto error;
/* determine the size of the final bitmap */
height = width = 0;
maxwidth = bitmaps[0].width();
for (bmnum = 1; bmnum < bitmapcount; bmnum++)
{
int curwidth;
/* determine the maximal width */
maxwidth = std::max(maxwidth, bitmaps[bmnum].width());
curwidth = bitmaps[0].width() + BITMAP_SPACE + maxwidth + BITMAP_SPACE + maxwidth;
width = std::max(width, curwidth);
/* add to the height */
height += std::max(bitmaps[0].height(), bitmaps[bmnum].height());
if (bmnum != 1)
height += BITMAP_SPACE;
}
/* allocate the final bitmap */
finalbitmap.allocate(width, height);
/* now copy and compare each set of bitmaps */
starty = 0;
for (bmnum = 1; bmnum < bitmapcount; bmnum++)
{
bitmap_argb32 &bitmap1 = bitmaps[0];
bitmap_argb32 &bitmap2 = bitmaps[bmnum];
int curheight = std::max(bitmap1.height(), bitmap2.height());
int x, y;
/* iterate over rows in these bitmaps */
for (y = 0; y < curheight; y++)
{
UINT32 *src1 = (y < bitmap1.height()) ? &bitmap1.pix32(y) : nullptr;
UINT32 *src2 = (y < bitmap2.height()) ? &bitmap2.pix32(y) : nullptr;
UINT32 *dst1 = &finalbitmap.pix32(starty + y, 0);
UINT32 *dst2 = &finalbitmap.pix32(starty + y, bitmap1.width() + BITMAP_SPACE);
UINT32 *dstdiff = &finalbitmap.pix32(starty + y, bitmap1.width() + BITMAP_SPACE + maxwidth + BITMAP_SPACE);
/* now iterate over columns */
for (x = 0; x < maxwidth; x++)
{
int pix1 = -1, pix2 = -2;
if (src1 != nullptr && x < bitmap1.width())
pix1 = dst1[x] = src1[x];
if (src2 != nullptr && x < bitmap2.width())
pix2 = dst2[x] = src2[x];
dstdiff[x] = (pix1 != pix2) ? 0xffffffff : 0xff000000;
}
}
/* update the starting Y position */
starty += BITMAP_SPACE + std::max(bitmap1.height(), bitmap2.height());
}
/* write the final PNG */
filerr = util::core_file::open(dstfilename, OPEN_FLAG_WRITE | OPEN_FLAG_CREATE, file);
if (filerr != osd_file::error::NONE)
goto error;
pngerr = png_write_bitmap(*file, nullptr, finalbitmap, 0, nullptr);
file.reset();
if (pngerr != PNGERR_NONE)
goto error;
/* if we get here, we are error free */
error = 0;
error:
if (error)
osd_file::remove(dstfilename);
return error;
}
static int generate_png_diff(const summary_file *curfile, const astring *destdir, const char *destname)
{
bitmap_t *bitmaps[MAX_COMPARES] = { NULL };
astring *srcimgname = astring_alloc();
astring *dstfilename = astring_alloc();
astring *tempname = astring_alloc();
bitmap_t *finalbitmap = NULL;
int width, height, maxwidth;
int bitmapcount = 0;
int listnum, bmnum;
core_file *file = NULL;
file_error filerr;
png_error pngerr;
int error = -1;
int starty;
/* generate the common source filename */
astring_printf(dstfilename, "%s" PATH_SEPARATOR "%s", astring_c(destdir), destname);
astring_printf(srcimgname, "snap" PATH_SEPARATOR "%s" PATH_SEPARATOR "final.png", curfile->name);
/* open and load all unique bitmaps */
for (listnum = 0; listnum < list_count; listnum++)
if (curfile->matchbitmap[listnum] == listnum)
{
astring_printf(tempname, "%s" PATH_SEPARATOR "%s", lists[listnum].dir, astring_c(srcimgname));
/* open the source image */
filerr = core_fopen(astring_c(tempname), OPEN_FLAG_READ, &file);
if (filerr != FILERR_NONE)
goto error;
/* load the source image */
pngerr = png_read_bitmap(file, &bitmaps[bitmapcount++]);
core_fclose(file);
if (pngerr != PNGERR_NONE)
goto error;
}
/* if there's only one unique bitmap, skip it */
if (bitmapcount <= 1)
goto error;
/* determine the size of the final bitmap */
height = width = 0;
maxwidth = bitmaps[0]->width;
for (bmnum = 1; bmnum < bitmapcount; bmnum++)
{
int curwidth;
/* determine the maximal width */
maxwidth = MAX(maxwidth, bitmaps[bmnum]->width);
curwidth = bitmaps[0]->width + BITMAP_SPACE + maxwidth + BITMAP_SPACE + maxwidth;
width = MAX(width, curwidth);
/* add to the height */
height += MAX(bitmaps[0]->height, bitmaps[bmnum]->height);
if (bmnum != 1)
height += BITMAP_SPACE;
}
/* allocate the final bitmap */
finalbitmap = bitmap_alloc(width, height, BITMAP_FORMAT_ARGB32);
if (finalbitmap == NULL)
goto error;
/* now copy and compare each set of bitmaps */
starty = 0;
for (bmnum = 1; bmnum < bitmapcount; bmnum++)
{
bitmap_t *bitmap1 = bitmaps[0];
bitmap_t *bitmap2 = bitmaps[bmnum];
int curheight = MAX(bitmap1->height, bitmap2->height);
int x, y;
/* iterate over rows in these bitmaps */
for (y = 0; y < curheight; y++)
{
UINT32 *src1 = (y < bitmap1->height) ? BITMAP_ADDR32(bitmap1, y, 0) : NULL;
UINT32 *src2 = (y < bitmap2->height) ? BITMAP_ADDR32(bitmap2, y, 0) : NULL;
UINT32 *dst1 = BITMAP_ADDR32(finalbitmap, starty + y, 0);
UINT32 *dst2 = BITMAP_ADDR32(finalbitmap, starty + y, bitmap1->width + BITMAP_SPACE);
UINT32 *dstdiff = BITMAP_ADDR32(finalbitmap, starty + y, bitmap1->width + BITMAP_SPACE + maxwidth + BITMAP_SPACE);
/* now iterate over columns */
for (x = 0; x < maxwidth; x++)
{
int pix1 = -1, pix2 = -2;
if (src1 != NULL && x < bitmap1->width)
pix1 = dst1[x] = src1[x];
if (src2 != NULL && x < bitmap2->width)
pix2 = dst2[x] = src2[x];
dstdiff[x] = (pix1 != pix2) ? 0xffffffff : 0xff000000;
}
}
/* update the starting Y position */
starty += BITMAP_SPACE + MAX(bitmap1->height, bitmap2->height);
}
/* write the final PNG */
filerr = core_fopen(astring_c(dstfilename), OPEN_FLAG_WRITE | OPEN_FLAG_CREATE, &file);
if (filerr != FILERR_NONE)
goto error;
pngerr = png_write_bitmap(file, NULL, finalbitmap, 0, NULL);
core_fclose(file);
if (pngerr != PNGERR_NONE)
goto error;
/* if we get here, we are error free */
error = 0;
error:
if (finalbitmap != NULL)
bitmap_free(finalbitmap);
for (bmnum = 0; bmnum < bitmapcount; bmnum++)
if (bitmaps[bmnum] != NULL)
bitmap_free(bitmaps[bmnum]);
if (error)
osd_rmfile(astring_c(dstfilename));
astring_free(dstfilename);
astring_free(srcimgname);
astring_free(tempname);
return error;
}
static int generate_png_diff(const astring& imgfile1, const astring& imgfile2, const astring& outfilename)
{
bitmap_argb32 bitmap1;
bitmap_argb32 bitmap2;
bitmap_argb32 finalbitmap;
int width, height, maxwidth;
core_file *file = NULL;
file_error filerr;
png_error pngerr;
int error = 100;
bool bitmaps_differ;
int x, y;
/* open the source image */
filerr = core_fopen(imgfile1, OPEN_FLAG_READ, &file);
if (filerr != FILERR_NONE)
{
printf("Could not open %s (%d)\n", imgfile1.cstr(), filerr);
goto error;
}
/* load the source image */
pngerr = png_read_bitmap(file, bitmap1);
core_fclose(file);
if (pngerr != PNGERR_NONE)
{
printf("Could not read %s (%d)\n", imgfile1.cstr(), pngerr);
goto error;
}
/* open the source image */
filerr = core_fopen(imgfile2, OPEN_FLAG_READ, &file);
if (filerr != FILERR_NONE)
{
printf("Could not open %s (%d)\n", imgfile2.cstr(), filerr);
goto error;
}
/* load the source image */
pngerr = png_read_bitmap(file, bitmap2);
core_fclose(file);
if (pngerr != PNGERR_NONE)
{
printf("Could not read %s (%d)\n", imgfile2.cstr(), pngerr);
goto error;
}
/* if the sizes are different, we differ; otherwise start off assuming we are the same */
bitmaps_differ = (bitmap2.width() != bitmap1.width() || bitmap2.height() != bitmap1.height());
/* compare scanline by scanline */
for (y = 0; y < bitmap2.height() && !bitmaps_differ; y++)
{
UINT32 *base = &bitmap1.pix32(y);
UINT32 *curr = &bitmap2.pix32(y);
/* scan the scanline */
for (x = 0; x < bitmap2.width(); x++)
if (*base++ != *curr++)
break;
bitmaps_differ = (x != bitmap2.width());
}
if (bitmaps_differ)
{
/* determine the size of the final bitmap */
height = width = 0;
{
/* determine the maximal width */
maxwidth = MAX(bitmap1.width(), bitmap2.width());
width = bitmap1.width() + BITMAP_SPACE + maxwidth + BITMAP_SPACE + maxwidth;
/* add to the height */
height += MAX(bitmap1.height(), bitmap2.height());
}
/* allocate the final bitmap */
finalbitmap.allocate(width, height);
/* now copy and compare each set of bitmaps */
int curheight = MAX(bitmap1.height(), bitmap2.height());
/* iterate over rows in these bitmaps */
for (y = 0; y < curheight; y++)
{
UINT32 *src1 = (y < bitmap1.height()) ? &bitmap1.pix32(y) : NULL;
UINT32 *src2 = (y < bitmap2.height()) ? &bitmap2.pix32(y) : NULL;
UINT32 *dst1 = &finalbitmap.pix32(y);
UINT32 *dst2 = &finalbitmap.pix32(y, bitmap1.width() + BITMAP_SPACE);
UINT32 *dstdiff = &finalbitmap.pix32(y, bitmap1.width() + BITMAP_SPACE + maxwidth + BITMAP_SPACE);
/* now iterate over columns */
for (x = 0; x < maxwidth; x++)
{
int pix1 = -1, pix2 = -2;
if (src1 != NULL && x < bitmap1.width())
pix1 = dst1[x] = src1[x];
if (src2 != NULL && x < bitmap2.width())
pix2 = dst2[x] = src2[x];
dstdiff[x] = (pix1 != pix2) ? 0xffffffff : 0xff000000;
}
}
/* write the final PNG */
filerr = core_fopen(outfilename, OPEN_FLAG_WRITE | OPEN_FLAG_CREATE, &file);
if (filerr != FILERR_NONE)
{
printf("Could not open %s (%d)\n", outfilename.cstr(), filerr);
goto error;
}
pngerr = png_write_bitmap(file, NULL, finalbitmap, 0, NULL);
core_fclose(file);
if (pngerr != PNGERR_NONE)
{
printf("Could not write %s (%d)\n", outfilename.cstr(), pngerr);
goto error;
}
}
/* if we get here, we are error free */
if (bitmaps_differ)
error = 1;
else
error = 0;
error:
if (error == -1)
osd_rmfile(outfilename);
return error;
}
