122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "u_mem.h"
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#include "gr.h"
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#include "grdef.h"
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#ifdef OGL
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#include "ogl_init.h"
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#endif
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#include "compiler-make_unique.h"
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grs_canvas * grd_curcanv; //active canvas
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std::unique_ptr<grs_screen> grd_curscreen; //active screen
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grs_canvas_ptr gr_create_canvas(uint16_t w, uint16_t h)
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{
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grs_canvas_ptr n = make_unique<grs_main_canvas>();
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gr_init_bitmap_alloc(n->cv_bitmap, BM_LINEAR, 0, 0, w, h, w);
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n->cv_color = 0;
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n->cv_fade_level = GR_FADE_OFF;
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n->cv_blend_func = GR_BLEND_NORMAL;
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n->cv_drawmode = 0;
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n->cv_font = NULL;
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n->cv_font_fg_color = 0;
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n->cv_font_bg_color = 0;
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return n;
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}
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grs_subcanvas_ptr gr_create_sub_canvas(grs_canvas *canv, uint16_t x, uint16_t y, uint16_t w, uint16_t h)
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{
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auto n = make_unique<grs_subcanvas>();
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gr_init_sub_bitmap (n->cv_bitmap, canv->cv_bitmap, x, y, w, h);
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n->cv_color = canv->cv_color;
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n->cv_fade_level = canv->cv_fade_level;
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n->cv_blend_func = canv->cv_blend_func;
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n->cv_drawmode = canv->cv_drawmode;
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n->cv_font = canv->cv_font;
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n->cv_font_fg_color = canv->cv_font_fg_color;
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n->cv_font_bg_color = canv->cv_font_bg_color;
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return n;
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}
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void gr_init_canvas(grs_canvas *canv, unsigned char * pixdata, uint8_t pixtype, uint16_t w, uint16_t h)
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{
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canv->cv_color = 0;
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canv->cv_fade_level = GR_FADE_OFF;
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canv->cv_blend_func = GR_BLEND_NORMAL;
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canv->cv_drawmode = 0;
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canv->cv_font = NULL;
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canv->cv_font_fg_color = 0;
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canv->cv_font_bg_color = 0;
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auto wreal = w;
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gr_init_bitmap(canv->cv_bitmap, pixtype, 0, 0, w, h, wreal, pixdata);
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}
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void gr_init_sub_canvas(grs_canvas *n, grs_canvas *src, uint16_t x, uint16_t y, uint16_t w, uint16_t h)
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{
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n->cv_color = src->cv_color;
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n->cv_fade_level = src->cv_fade_level;
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n->cv_blend_func = src->cv_blend_func;
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n->cv_drawmode = src->cv_drawmode;
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n->cv_font = src->cv_font;
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n->cv_font_fg_color = src->cv_font_fg_color;
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n->cv_font_bg_color = src->cv_font_bg_color;
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gr_init_sub_bitmap (n->cv_bitmap, src->cv_bitmap, x, y, w, h);
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}
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grs_main_canvas::~grs_main_canvas()
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{
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gr_free_bitmap_data(cv_bitmap);
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}
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void gr_set_current_canvas( grs_canvas *canv )
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{
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if (canv==NULL)
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grd_curcanv = &(grd_curscreen->sc_canvas);
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else
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grd_curcanv = canv;
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}
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void gr_clear_canvas(color_t color)
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{
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gr_setcolor(color);
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gr_rect(0,0,GWIDTH-1,GHEIGHT-1);
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}
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void gr_setcolor(color_t color)
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{
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grd_curcanv->cv_color=color;
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}
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void gr_settransblend(int fade_level, ubyte blend_func)
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{
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grd_curcanv->cv_fade_level=fade_level;
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grd_curcanv->cv_blend_func=blend_func;
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#ifdef OGL
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ogl_set_blending();
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#endif
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}
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