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Correct aspect ratio correctly and support widescreen displays

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svn path=/trunk/netsurf/; revision=12607
This commit is contained in:
Chris Young 2011-07-17 14:48:19 +00:00
parent 31d1313944
commit 11b3bb228a
3 changed files with 19 additions and 6 deletions
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1
amiga/dist/NetSurf.guide vendored
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@ -43,6 +43,7 @@ There are a couple of Amiga-specific options which can only be changed directly
@{b}printer_unit@{ub} Specifies which printer.device unit to print to
@{b}drag_save_icons@{ub} Enables displaying Workbench-style transparent icons under the pointer when performing drag saves (ctrl-drag of objects available if NetSurf is running on the Workbench screen) and text selection drags. If set to 0 the pointer style will change instead. OS 4.0 users may want to set this to 0 as icons will appear opaque and obscure the drop position.
@{b}cairo_renderer@{ub} Set rendering engine (SObjs version only). 0 = graphics.library, 1 = Cairo/graphics.library mixed (recommended), 2 = Full Cairo.
@{b}widescreen@{ub} Correct aspect ratio for widescreen displays.
@{b}url_file@{ub} Path to URL database file
@{b}hotlist_file@{ub} Path to Hotlist file

19
amiga/font.c
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@ -657,7 +657,6 @@ void ami_font_setdevicedpi(int id)
{
DisplayInfoHandle dih;
struct DisplayInfo dinfo;
Point dinfo_res;
ULONG ydpi = option_amiga_ydpi;
ULONG xdpi = option_amiga_ydpi;
@ -670,11 +669,21 @@ void ami_font_setdevicedpi(int id)
if(GetDisplayInfoData(dih, &dinfo, sizeof(struct DisplayInfo),
DTAG_DISP, 0))
{
dinfo_res = dinfo.Resolution;
xdpi = (dinfo_res.x / dinfo_res.y) * ydpi;
int xres = dinfo.Resolution.x;
int yres = dinfo.Resolution.y;
LOG(("XDPI = %ld, YDPI = %ld (DisplayInfo resolution %ld x %ld)",
xdpi, ydpi, dinfo_res.x , dinfo_res.y));
if(option_widescreen)
{
/* AmigaOS sees 4:3 modes as square in the DisplayInfo database,
* so we correct 16:10 modes to square for widescreen displays. */
xres = (xres * 16) / 4;
yres = (yres * 10) / 3;
}
xdpi = (yres * ydpi) / xres;
LOG(("XDPI = %ld, YDPI = %ld (DisplayInfo resolution %ld x %ld, corrected %ld x %ld)",
xdpi, ydpi, dinfo.Resolution.x, dinfo.Resolution.y, xres, yres));
}
}
}

5
amiga/options.h
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@ -66,6 +66,7 @@ extern int option_cookies_window_ysize;
extern int option_cairo_renderer;
extern bool option_direct_render;
extern int option_amiga_ydpi;
extern bool option_widescreen;
#define EXTRA_OPTION_DEFINE \
char *option_url_file = 0; \
@ -114,6 +115,7 @@ int option_cookies_window_ysize = 0; \
int option_cairo_renderer = 1; \
bool option_direct_render = false; \
int option_amiga_ydpi = 72; \
bool option_widescreen = false; \
#define EXTRA_OPTION_TABLE \
{ "url_file", OPTION_STRING, &option_url_file }, \
@ -161,5 +163,6 @@ int option_amiga_ydpi = 72; \
{ "cookies_window_ysize", OPTION_INTEGER, &option_cookies_window_ysize}, \
{ "cairo_renderer", OPTION_INTEGER, &option_cairo_renderer}, \
{ "direct_render", OPTION_BOOL, &option_direct_render}, \
{ "amiga_ydpi", OPTION_INTEGER, &option_amiga_ydpi},
{ "amiga_ydpi", OPTION_INTEGER, &option_amiga_ydpi}, \
{ "widescreen", OPTION_BOOL, &option_widescreen},
#endif