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author | Paul Gilbert | 2019-10-19 17:58:14 -0700 |
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committer | Paul Gilbert | 2019-10-26 11:13:29 -0700 |
commit | fa323c6187ac2a698805c07f6dd2b906e9c117ee (patch) | |
tree | 15ebd13a4347bcfce1760e2fced48fb3de781840 /engines/glk/level9 | |
parent | d923ed3c5fbb1aad03c82f29cf93412215ae662e (diff) | |
download | scummvm-rg350-fa323c6187ac2a698805c07f6dd2b906e9c117ee.tar.gz scummvm-rg350-fa323c6187ac2a698805c07f6dd2b906e9c117ee.tar.bz2 scummvm-rg350-fa323c6187ac2a698805c07f6dd2b906e9c117ee.zip |
GLK: LEVEL9: Further variable initialization
Diffstat (limited to 'engines/glk/level9')
-rw-r--r-- | engines/glk/level9/os_glk.cpp | 113 |
1 files changed, 64 insertions, 49 deletions
diff --git a/engines/glk/level9/os_glk.cpp b/engines/glk/level9/os_glk.cpp index 7722507c13..8c97c5ca38 100644 --- a/engines/glk/level9/os_glk.cpp +++ b/engines/glk/level9/os_glk.cpp @@ -96,6 +96,56 @@ static void gln_standout_string(const char *message); static int gln_confirm(const char *prompt); +/* Picture variables */ +/* Graphics file directory, and type of graphics found in it. */ +static char *gln_graphics_bitmap_directory = nullptr; +static BitmapType gln_graphics_bitmap_type = NO_BITMAPS; + +/* The current picture id being displayed. */ +enum { GLN_PALETTE_SIZE = 32 }; +static gln_byte *gln_graphics_bitmap = nullptr; +static gln_uint16 gln_graphics_width = 0, +gln_graphics_height = 0; +static Colour gln_graphics_palette[GLN_PALETTE_SIZE]; /* = { 0, ... }; */ +static int gln_graphics_picture = -1; + +/* + * Flags set on new picture, and on resize or arrange events, and a flag + * to indicate whether background repaint is stopped or active. + */ +static int gln_graphics_new_picture = FALSE, +gln_graphics_repaint = FALSE, +gln_graphics_active = FALSE; + +/* + * State to monitor the state of interpreter graphics. The values of the + * enumerations match the modes supplied by os_graphics(). + */ +enum GraphicsState { + GLN_GRAPHICS_OFF = 0, + GLN_GRAPHICS_LINE_MODE = 1, + GLN_GRAPHICS_BITMAP_MODE = 2 +}; +static GraphicsState gln_graphics_interpreter_state = GLN_GRAPHICS_OFF; + + +/* + * Pointer to the two graphics buffers, one the off-screen representation + * of pixels, and the other tracking on-screen data. These are temporary + * graphics malloc'ed memory, and should be free'd on exit. + */ +static gln_byte *gln_graphics_off_screen = nullptr, +*gln_graphics_on_screen = nullptr; + +/* + * The number of colors used in the palette by the current picture. Because + * of the way it's queried, we risk a race, with admittedly a very low + * probability, with the updater. So, it's initialized instead to the + * largest possible value. The real value in use is inserted on the first + * picture update timeout call for a new picture. + */ +static int gln_graphics_color_count = GLN_PALETTE_SIZE; + /*---------------------------------------------------------------------*/ /* Glk port utility functions */ @@ -116,6 +166,20 @@ void gln_initialize() { gln_abbreviations_enabled = TRUE; gln_commands_enabled = TRUE; gln_stop_reason = STOP_NONE; + + gln_graphics_bitmap_directory = nullptr; + gln_graphics_bitmap_type = NO_BITMAPS; + gln_graphics_bitmap = nullptr; + gln_graphics_width = 0; + gln_graphics_height = 0; + gln_graphics_picture = -1; + gln_graphics_new_picture = FALSE; + gln_graphics_repaint = FALSE; + gln_graphics_active = FALSE; + gln_graphics_interpreter_state = GLN_GRAPHICS_OFF; + gln_graphics_off_screen = nullptr; + gln_graphics_on_screen = nullptr; + gln_graphics_color_count = GLN_PALETTE_SIZE; } /* @@ -1313,55 +1377,6 @@ static const int GLN_GRAPHICS_BORDER = 1, */ static const int GLN_GRAPHICS_UNUSED_PIXEL = 0xff; -/* Graphics file directory, and type of graphics found in it. */ -static char *gln_graphics_bitmap_directory = nullptr; -static BitmapType gln_graphics_bitmap_type = NO_BITMAPS; - -/* The current picture id being displayed. */ -enum { GLN_PALETTE_SIZE = 32 }; -static gln_byte *gln_graphics_bitmap = nullptr; -static gln_uint16 gln_graphics_width = 0, - gln_graphics_height = 0; -static Colour gln_graphics_palette[GLN_PALETTE_SIZE]; /* = { 0, ... }; */ -static int gln_graphics_picture = -1; - -/* - * Flags set on new picture, and on resize or arrange events, and a flag - * to indicate whether background repaint is stopped or active. - */ -static int gln_graphics_new_picture = FALSE, - gln_graphics_repaint = FALSE, - gln_graphics_active = FALSE; - -/* - * State to monitor the state of interpreter graphics. The values of the - * enumerations match the modes supplied by os_graphics(). - */ -enum GraphicsState { - GLN_GRAPHICS_OFF = 0, - GLN_GRAPHICS_LINE_MODE = 1, - GLN_GRAPHICS_BITMAP_MODE = 2 -}; -static GraphicsState gln_graphics_interpreter_state = GLN_GRAPHICS_OFF; - - -/* - * Pointer to the two graphics buffers, one the off-screen representation - * of pixels, and the other tracking on-screen data. These are temporary - * graphics malloc'ed memory, and should be free'd on exit. - */ -static gln_byte *gln_graphics_off_screen = nullptr, - *gln_graphics_on_screen = nullptr; - -/* - * The number of colors used in the palette by the current picture. Because - * of the way it's queried, we risk a race, with admittedly a very low - * probability, with the updater. So, it's initialized instead to the - * largest possible value. The real value in use is inserted on the first - * picture update timeout call for a new picture. - */ -static int gln_graphics_color_count = GLN_PALETTE_SIZE; - /* * gln_graphics_open() |