added win32 demo + fixed some msvc warnings
This commit is contained in:
Micha Mettke
parent
7b92b209e5
commit
4e80a2d960
5
demo/win32/make.bat
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5
demo/win32/make.bat
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@ -0,0 +1,5 @@
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@echo off
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IF NOT EXIST bin mkdir bin
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pushd bin
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CL ..\win32.c ..\..\..\zahnrad.c /Fegui /GS /analyze- /W0 /ZI /Gm /Od /Gd /MDd /EHa- /GA /FC /Oi /GR- /Gm- /EHsc /nologo /wd4127 /wd4201 /wd4189 /wd4100 /wd4505 /D_CRT_SECURE_NO_WARNINGS /link /DEBUG /MACHINE:X86 /INCREMENTAL /SUBSYSTEM:WINDOWS /DYNAMICBASE "kernel32.lib" "user32.lib" "gdi32.lib"
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popd
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457
demo/win32/win32.c
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457
demo/win32/win32.c
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@ -0,0 +1,457 @@
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/*
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Copyright (c) 2015
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vurtun <polygone@gmx.net>
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MIT licence
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <windows.h>
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#include <windowsx.h>
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#include <assert.h>
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#include <string.h>
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/* macros */
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#define DTIME 16
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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#define MAX(a,b) ((a) < (b) ? (b) : (a))
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#define CLAMP(i,v,x) (MAX(MIN(v,x), i))
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#define LEN(a) (sizeof(a)/sizeof(a)[0])
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#define UNUSED(a) ((void)(a))
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#include "../../zahnrad.h"
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static void clipboard_set(const char *text){UNUSED(text);}
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static zr_bool clipboard_is_filled(void){return zr_false;}
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static const char* clipboard_get(void) {return NULL;}
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#include "../demo.c"
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/* Types */
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typedef struct XFont {
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HFONT handle;
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int height;
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int ascent;
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int descent;
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} XFont;
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typedef struct XSurface {
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int save;
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HDC hdc;
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HBITMAP bitmap;
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HRGN region;
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unsigned int width;
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unsigned int height;
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} XSurface;
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typedef struct XWindow {
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HINSTANCE hInstance;
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WNDCLASS wc;
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HWND hWnd;
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HDC hdc;
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RECT rect;
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XSurface *backbuffer;
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XFont *font;
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unsigned int width;
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unsigned int height;
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} XWindow;
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static int running = 1;
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static int quit = 0;
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static XWindow xw;
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static void
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die(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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fputs("\n", stderr);
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exit(EXIT_FAILURE);
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}
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static long long
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timestamp(LARGE_INTEGER freq)
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{
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LARGE_INTEGER now;
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QueryPerformanceCounter(&now);
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return (1000LL * now.QuadPart) / freq.QuadPart;
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}
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static XFont*
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font_new(HDC hdc, const char *name, int height)
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{
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HFONT old;
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TEXTMETRIC metrics;
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XFont *font = malloc(sizeof(XFont));
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if (!font) return NULL;
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font->height = height;
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font->handle = CreateFont(height, 0, 0, 0, 0, FALSE, FALSE, FALSE,
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ANSI_CHARSET, OUT_CHARACTER_PRECIS, CLIP_CHARACTER_PRECIS,
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ANTIALIASED_QUALITY, DEFAULT_PITCH, name);
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old = SelectObject(hdc, font->handle);
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GetTextMetrics(hdc, &metrics);
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font->ascent = metrics.tmAscent;
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font->descent = metrics.tmDescent;
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SelectObject(hdc, old);
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return font;
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}
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zr_size
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font_get_text_width(zr_handle handle, const zr_char *text, zr_size len)
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{
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SIZE size;
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HFONT old;
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XWindow *win = handle.ptr;
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XFont *font = win->font;
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XSurface *surf = win->backbuffer;
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if (!font ||!text || !len) return 0;
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old = SelectObject(surf->hdc, font->handle);
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GetTextExtentPoint32(surf->hdc, (LPCTSTR)text, (int)len, &size);
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SelectObject(surf->hdc, old);
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return size.cx;
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}
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static void
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font_del(XFont *font)
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{
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if (font->handle)
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DeleteObject(font->handle);
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free(font);
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}
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static XSurface*
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surface_new(HDC hdc, unsigned int width, unsigned int height)
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{
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XSurface *surf = malloc(sizeof(XSurface));
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if (!surf) return NULL;
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surf->hdc = CreateCompatibleDC(hdc);
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surf->bitmap = CreateCompatibleBitmap(hdc, width, height);
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surf->width = width;
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surf->height = height;
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surf->region = NULL;
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return surf;
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}
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static void
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surface_resize(XSurface *surf, HDC hdc, unsigned int width, unsigned int height)
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{
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DeleteObject(surf->bitmap);
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surf->bitmap = CreateCompatibleBitmap(hdc, width, height);
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surf->width = width;
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surf->height = height;
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}
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static void
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surface_del(XSurface *surf)
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{
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if (surf->region) DeleteObject(surf->region);
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DeleteDC(surf->hdc);
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DeleteObject(surf->bitmap);
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free(surf);
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}
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static void
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surface_scissor(XSurface *surf, short x, short y, unsigned short w, unsigned short h)
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{
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if (surf->region) DeleteObject(surf->region);
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surf->region = CreateRectRgn(x, y, x + w, y + h);
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SelectClipRgn(surf->hdc, surf->region);
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}
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static void
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surface_draw_line(XSurface *surf, short x0, short y0, short x1, short y1,
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unsigned char r, unsigned char g, unsigned char b)
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{
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HPEN hPen;
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HPEN old;
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hPen = CreatePen(PS_SOLID, 1, RGB(r,g,b));
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old = SelectObject(surf->hdc, hPen);
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MoveToEx(surf->hdc, x0, y0, NULL);
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LineTo(surf->hdc, x1, y1);
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SelectObject(surf->hdc, old);
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DeleteObject(hPen);
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}
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static void
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surface_draw_rect(XSurface *surf, short x, short y, unsigned short w, unsigned short h,
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unsigned char r, unsigned char g, unsigned char b)
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{
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HBRUSH hBrush;
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HBRUSH old;
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RECT rect;
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rect.left = (LONG)x;
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rect.top = (LONG)y;
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rect.right = (LONG)(x + w);
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rect.bottom = (LONG)(y + h);
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hBrush = CreateSolidBrush(RGB(r,g,b));
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old = SelectObject(surf->hdc, hBrush);
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FillRect(surf->hdc, &rect, hBrush);
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SelectObject(surf->hdc, old);
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DeleteObject(hBrush);
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}
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static void
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surface_draw_circle(XSurface *surf, short x, short y, unsigned short w, unsigned short h,
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unsigned char r, unsigned char g, unsigned char b)
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{
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HBRUSH hBrush;
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HBRUSH old;
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hBrush = CreateSolidBrush(RGB(r,g,b));
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old = SelectObject(surf->hdc, hBrush);
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Ellipse(surf->hdc, x, y, (x + w), (y + h));
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SelectObject(surf->hdc, old);
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DeleteObject(hBrush);
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}
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static void
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surface_draw_triangle(XSurface *surf, short x0, short y0, short x1, short y1,
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short x2, short y2, unsigned char r, unsigned char g, unsigned char b)
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{
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HBRUSH old;
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HBRUSH hBrush;
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POINT pnt[3];
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pnt[0].x = (LONG)x0;
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pnt[0].y = (LONG)y0;
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pnt[1].x = (LONG)x1;
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pnt[1].y = (LONG)y1;
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pnt[2].x = (LONG)x2;
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pnt[2].y = (LONG)y2;
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hBrush = CreateSolidBrush(RGB(r,g,b));
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old = SelectObject(surf->hdc, hBrush);
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Polygon(surf->hdc, pnt, 3);
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SelectObject(surf->hdc, old);
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DeleteObject(hBrush);
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}
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static void
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surface_draw_text(XSurface *surf, XFont *font, short x, short y, unsigned short w,
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unsigned short h, const char *text, unsigned int len,
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unsigned char bg_r, unsigned char bg_g, unsigned char bg_b,
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unsigned char fg_r, unsigned char fg_g, unsigned char fg_b)
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{
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RECT format;
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UINT bg = RGB(bg_r, bg_g, bg_b);
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UINT fg = RGB(fg_r, fg_g, fg_b);
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HFONT old = SelectObject(surf->hdc, font->handle);
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format.left = x;
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format.top = y;
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format.right = x + w;
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format.bottom = y + h;
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SetBkColor(surf->hdc, bg);
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SetTextColor(surf->hdc, fg);
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SetBkMode(surf->hdc, OPAQUE);
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DrawText(surf->hdc, text, len, &format, DT_LEFT|DT_SINGLELINE|DT_VCENTER);
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SelectObject(surf->hdc, old);
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}
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static void
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surface_clear(XSurface *surf, unsigned char r, unsigned char g, unsigned char b)
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{surface_draw_rect(surf,0,0,(unsigned short)surf->width,(unsigned short)surf->height, r, g, b);}
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static void
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surface_begin(XSurface *surf)
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{
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surf->save = SaveDC(surf->hdc);
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SelectObject(surf->hdc, surf->bitmap);
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}
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static void
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surface_end(XSurface *surf, HDC hdc)
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{
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BitBlt(hdc, 0, 0, surf->width, surf->height, surf->hdc, 0, 0, SRCCOPY);
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RestoreDC(hdc, surf->save);
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}
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static void
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draw(XSurface *surf, struct zr_command_queue *queue)
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{
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const struct zr_command *cmd;
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zr_foreach_command(cmd, queue) {
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switch (cmd->type) {
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case ZR_COMMAND_NOP: break;
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case ZR_COMMAND_SCISSOR: {
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const struct zr_command_scissor *s = zr_command(scissor, cmd);
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surface_scissor(surf, s->x, s->y, s->w, s->h);
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} break;
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case ZR_COMMAND_LINE: {
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const struct zr_command_line *l = zr_command(line, cmd);
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surface_draw_line(surf, l->begin.x, l->begin.y, l->end.x,
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l->end.y, l->color.r, l->color.g, l->color.b);
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} break;
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case ZR_COMMAND_RECT: {
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const struct zr_command_rect *r = zr_command(rect, cmd);
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surface_draw_rect(surf, r->x, r->y, r->w, r->h,
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r->color.r, r->color.g, r->color.b);
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} break;
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case ZR_COMMAND_CIRCLE: {
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const struct zr_command_circle *c = zr_command(circle, cmd);
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surface_draw_circle(surf, c->x, c->y, c->w, c->h,
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c->color.r, c->color.g, c->color.b);
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} break;
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case ZR_COMMAND_TRIANGLE: {
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const struct zr_command_triangle *t = zr_command(triangle, cmd);
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surface_draw_triangle(surf, t->a.x, t->a.y, t->b.x, t->b.y,
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t->c.x, t->c.y, t->color.r, t->color.g, t->color.b);
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} break;
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case ZR_COMMAND_TEXT: {
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const struct zr_command_text *t = zr_command(text, cmd);
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XWindow *win = t->font->userdata.ptr;
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surface_draw_text(surf, win->font, t->x, t->y, t->w, t->h, (const char*)t->string,
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(unsigned int)t->length, t->background.r, t->background.g, t->background.b,
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t->foreground.r, t->foreground.g, t->foreground.b);
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} break;
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case ZR_COMMAND_IMAGE:
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case ZR_COMMAND_CURVE:
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case ZR_COMMAND_ARC:
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default: break;
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}
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}
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zr_command_queue_clear(queue);
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}
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static void
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key(struct zr_input *in, MSG *msg, zr_bool down)
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{
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if (msg->lParam == VK_SHIFT)
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zr_input_key(in, ZR_KEY_SHIFT, down);
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else if (msg->lParam == VK_DELETE)
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zr_input_key(in, ZR_KEY_DEL, down);
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else if (msg->lParam == VK_RETURN)
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zr_input_key(in, ZR_KEY_ENTER, down);
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else if (msg->lParam == VK_SPACE)
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zr_input_key(in, ZR_KEY_SPACE, down);
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else if (msg->lParam == VK_BACK)
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zr_input_key(in, ZR_KEY_BACKSPACE, down);
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}
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static void
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text(struct zr_input *in, MSG *msg)
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{
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char glyph;
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if (msg->wParam < 32 && msg->wParam >= 128) return;
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glyph = (zr_char)msg->wParam;
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zr_input_char(in, glyph);
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}
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static void
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motion(struct zr_input *in, MSG *msg)
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{
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const zr_int x = GET_X_LPARAM(msg->lParam);
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const zr_int y = GET_Y_LPARAM(msg->lParam);
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zr_input_motion(in, x, y);
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}
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static void
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btn(struct zr_input *in, MSG *msg, zr_bool down)
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{
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const zr_int x = GET_X_LPARAM(msg->lParam);
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const zr_int y = GET_Y_LPARAM(msg->lParam);
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zr_input_button(in, ZR_BUTTON_LEFT, x, y, down);
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}
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LRESULT CALLBACK
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wnd_proc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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switch (msg) {
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case WM_DESTROY:
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PostQuitMessage(WM_QUIT);
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running = 0;
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quit = 1;
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break;
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case WM_SIZE:
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if (xw.backbuffer) {
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xw.width = LOWORD(lParam);
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xw.height = HIWORD(lParam);
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surface_resize(xw.backbuffer, xw.hdc, xw.width, xw.height);
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} break;
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default:
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return DefWindowProc(hWnd, msg, wParam, lParam);
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}
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return 0;
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}
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INT WINAPI
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WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR lpCmdLine, int shown)
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{
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LARGE_INTEGER freq;
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long long start;
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long long dt;
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/* GUI */
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struct demo_gui gui;
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/* Window */
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QueryPerformanceFrequency(&freq);
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xw.wc.style = CS_HREDRAW|CS_VREDRAW;
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xw.wc.lpfnWndProc = wnd_proc;
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xw.wc.hInstance = hInstance;
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xw.wc.lpszClassName = "GUI";
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RegisterClass(&xw.wc);
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xw.hWnd = CreateWindowEx(
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0, xw.wc.lpszClassName, "Demo",
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WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX|WS_MAXIMIZEBOX|WS_VISIBLE,
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CW_USEDEFAULT, CW_USEDEFAULT,
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WINDOW_WIDTH, WINDOW_HEIGHT,
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0, 0, hInstance, 0);
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xw.hdc = GetDC(xw.hWnd);
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GetClientRect(xw.hWnd, &xw.rect);
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xw.backbuffer = surface_new(xw.hdc, xw.rect.right, xw.rect.bottom);
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xw.font = font_new(xw.hdc, "Times New Roman", 14);
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xw.width = xw.rect.right;
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xw.height = xw.rect.bottom;
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/* GUI */
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memset(&gui, 0, sizeof gui);
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zr_command_queue_init_fixed(&gui.queue, calloc(MAX_MEMORY, 1), MAX_MEMORY);
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gui.font.userdata = zr_handle_ptr(&xw);
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gui.font.height = (zr_float)xw.font->height;
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gui.font.width = font_get_text_width;
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init_demo(&gui);
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while (gui.running) {
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/* Input */
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MSG msg;
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start = timestamp(freq);
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zr_input_begin(&gui.input);
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while (PeekMessage(&msg, xw.hWnd, 0, 0, PM_REMOVE)) {
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if (msg.message == WM_KEYDOWN) key(&gui.input, &msg, zr_true);
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else if (msg.message == WM_KEYUP) key(&gui.input, &msg, zr_false);
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else if (msg.message == WM_LBUTTONDOWN) btn(&gui.input, &msg, zr_true);
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else if (msg.message == WM_LBUTTONUP) btn(&gui.input, &msg, zr_false);
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else if (msg.message == WM_MOUSEMOVE) motion(&gui.input, &msg);
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else if (msg.message == WM_CHAR) text(&gui.input, &msg);
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TranslateMessage(&msg);
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DispatchMessage(&msg);
|
||||
}
|
||||
zr_input_end(&gui.input);
|
||||
|
||||
/* GUI */
|
||||
run_demo(&gui);
|
||||
|
||||
/* Draw */
|
||||
surface_begin(xw.backbuffer);
|
||||
surface_clear(xw.backbuffer, 100, 100, 100);
|
||||
draw(xw.backbuffer, &gui.queue);
|
||||
surface_end(xw.backbuffer, xw.hdc);
|
||||
|
||||
/* Timing */
|
||||
dt = timestamp(freq) - start;
|
||||
if (dt < DTIME) Sleep(DTIME - (DWORD)dt);
|
||||
}
|
||||
|
||||
free(zr_buffer_memory(&gui.queue.buffer));
|
||||
font_del(xw.font);
|
||||
surface_del(xw.backbuffer);
|
||||
ReleaseDC(xw.hWnd, xw.hdc);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1776,7 +1776,7 @@ zr_draw_list_load(struct zr_draw_list *list, struct zr_command_queue *queue,
|
||||
case ZR_COMMAND_CIRCLE: {
|
||||
const struct zr_command_circle *c = zr_command(circle, cmd);
|
||||
zr_draw_list_add_circle_filled(list, zr_vec2((zr_float)c->x + (zr_float)c->w/2,
|
||||
(zr_float)c->y + c->h/2), c->w/2, c->color, curve_segments);
|
||||
(zr_float)c->y + (zr_float)c->h/2), (zr_float)c->w/2, c->color, curve_segments);
|
||||
} break;
|
||||
case ZR_COMMAND_ARC: {
|
||||
const struct zr_command_arc *c = zr_command(arc, cmd);
|
||||
|
||||
@ -334,21 +334,21 @@ void zr_input_glyph(struct zr_input*, const zr_glyph);
|
||||
- utf8 glyph to add to the text buffer
|
||||
*/
|
||||
void zr_input_char(struct zr_input*, char);
|
||||
/* this function adds char into the internal text frame buffer
|
||||
/* this function adds char into the internal text frame buffer
|
||||
Input:
|
||||
- character to add to the text buffer
|
||||
*/
|
||||
void zr_input_end(struct zr_input*);
|
||||
/* this function sets the input state to readable */
|
||||
/* this function sets the input state to readable */
|
||||
zr_bool zr_input_has_mouse_click_in_rect(const struct zr_input*,enum zr_buttons,
|
||||
struct zr_rect);
|
||||
/* this function returns true if a mouse click inside a rectangle occured in prev frames */
|
||||
/* this function returns true if a mouse click inside a rectangle occured in prev frames */
|
||||
zr_bool zr_input_has_mouse_click_down_in_rect(const struct zr_input*, enum zr_buttons,
|
||||
struct zr_rect, zr_bool down);
|
||||
/* this function returns true if a mouse down click inside a rectangle occured in prev frames */
|
||||
zr_bool zr_input_is_mouse_click_in_rect(const struct zr_input*, enum zr_buttons,
|
||||
struct zr_rect);
|
||||
/* this function returns true if a mouse click inside a rectangle occured and was just clicked */
|
||||
/* this function returns true if a mouse click inside a rectangle occured and was just clicked */
|
||||
zr_bool zr_input_is_mouse_prev_hovering_rect(const struct zr_input*, struct zr_rect);
|
||||
/* this function returns true if the mouse hovers over a rectangle */
|
||||
zr_bool zr_input_is_mouse_hovering_rect(const struct zr_input*, struct zr_rect);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user