73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
//-----------------------------------------------------------------------------
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//
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// Copyright © 2016 Project Golan
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//
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// See "LICENSE" for more information.
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//
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//-----------------------------------------------------------------------------
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//
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// Context for drawing.
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//
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//-----------------------------------------------------------------------------
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#ifndef lithos3__Lth_context_h
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#define lithos3__Lth_context_h
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#define Lth_ContextManifestLoad_extern(ctx, ...) \
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( \
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((ctx)->rsrc ? (Lth_ResourceMapDestroy((ctx)->rsrc)) : (void)0), \
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(ctx)->rsrc = Lth_ManifestLoad_extern(__VA_ARGS__) \
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)
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#define Lth_ContextManifestLoad_static(ctx, ...) \
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( \
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((ctx)->rsrc ? (Lth_ResourceMapDestroy((ctx)->rsrc)) : (void)0), \
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(ctx)->rsrc = Lth_ManifestLoad_static(__VA_ARGS__) \
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)
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// Type Definitions ----------------------------------------------------------|
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//
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// Lth_Context
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//
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// internal data
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// clip
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// rsrcBase
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// rsrc
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//
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// read-only
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// scale: current draw scale
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// w: width of screen
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// h: height of screen
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//
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// read-write
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// hid: HUD ID range
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//
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typedef struct Lth_Context
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{
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struct { Lth_Rect rects[16]; size_t num; } clip;
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Lth_ResourceMap *rsrcBase, *rsrc;
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_Accum scale;
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int w, h;
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Lth_HIDRange hid;
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} Lth_Context;
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// Extern Functions ----------------------------------------------------------|
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Lth_Context *Lth_ContextNew(int w, int h, Lth_HID hidBase, Lth_HID hidEnd);
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void Lth_ContextDestroy(Lth_Context *ctx);
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void Lth_ContextRun(Lth_Context *ctx);
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void Lth_ContextClipPush(Lth_Context *ctx, int x, int y, int w, int h);
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void Lth_ContextClipPop(Lth_Context *ctx);
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void *Lth_ContextResource(Lth_Context *ctx, char const *key);
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void Lth_ContextScale(Lth_Context *ctx, _Accum s);
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#endif//lithos3__Lth_context_h
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