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Implemented text and clipping primitives in the frontend, and added

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two new simple games `fifteen' and `sixteen'.

[originally from svn r4173]
This commit is contained in:
Simon Tatham
2004-04-29 18:10:22 +00:00
parent 4b9d755252
commit fa7ef572c7
9 changed files with 1401 additions and 25 deletions
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95
windows.c
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@ -5,6 +5,7 @@
#include <windows.h>
#include <stdio.h>
#include <assert.h>
#include <stdarg.h>
#include <stdlib.h>
#include <time.h>
@ -63,6 +64,12 @@ void debug_printf(char *fmt, ...)
#endif
struct font {
HFONT font;
int type;
int size;
};
struct frontend {
midend_data *me;
HWND hwnd;
@ -71,9 +78,12 @@ struct frontend {
COLORREF *colours;
HBRUSH *brushes;
HPEN *pens;
HRGN clip;
UINT timer;
int npresets;
game_params **presets;
struct font *fonts;
int nfonts, fontsize;
};
void fatal(char *fmt, ...)
@ -99,6 +109,86 @@ void frontend_default_colour(frontend *fe, float *output)
output[2] = (float)(GetBValue(c) / 255.0);
}
void clip(frontend *fe, int x, int y, int w, int h)
{
if (!fe->clip) {
fe->clip = CreateRectRgn(0, 0, 1, 1);
GetClipRgn(fe->hdc_bm, fe->clip);
}
IntersectClipRect(fe->hdc_bm, x, y, x+w, y+h);
}
void unclip(frontend *fe)
{
assert(fe->clip);
SelectClipRgn(fe->hdc_bm, fe->clip);
}
void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize,
int align, int colour, char *text)
{
int i;
/*
* Find or create the font.
*/
for (i = 0; i < fe->nfonts; i++)
if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
break;
if (i == fe->nfonts) {
if (fe->fontsize <= fe->nfonts) {
fe->fontsize = fe->nfonts + 10;
fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
}
fe->nfonts++;
fe->fonts[i].type = fonttype;
fe->fonts[i].size = fontsize;
/*
* FIXME: Really I should make at least _some_ effort to
* pick the correct font.
*/
fe->fonts[i].font = CreateFont(-fontsize, 0, 0, 0, 0,
FALSE, FALSE, FALSE, DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
(fonttype == FONT_FIXED ?
FIXED_PITCH | FF_DONTCARE :
VARIABLE_PITCH | FF_SWISS),
NULL);
}
/*
* Position and draw the text.
*/
{
HFONT oldfont;
TEXTMETRIC tm;
SIZE size;
oldfont = SelectObject(fe->hdc_bm, fe->fonts[i].font);
if (GetTextMetrics(fe->hdc_bm, &tm)) {
if (align & ALIGN_VCENTRE)
y -= (tm.tmAscent+tm.tmDescent)/2;
else
y -= tm.tmAscent;
}
if (GetTextExtentPoint32(fe->hdc_bm, text, strlen(text), &size)) {
if (align & ALIGN_HCENTRE)
x -= size.cx / 2;
else if (align & ALIGN_HRIGHT)
x -= size.cx;
}
SetBkMode(fe->hdc_bm, TRANSPARENT);
TextOut(fe->hdc_bm, x, y, text, strlen(text));
SelectObject(fe->hdc_bm, oldfont);
}
}
void draw_rect(frontend *fe, int x, int y, int w, int h, int colour)
{
if (w == 1 && h == 1) {
@ -161,6 +251,7 @@ void start_draw(frontend *fe)
fe->hdc_bm = CreateCompatibleDC(hdc_win);
fe->prevbm = SelectObject(fe->hdc_bm, fe->bitmap);
ReleaseDC(fe->hwnd, hdc_win);
fe->clip = NULL;
}
void draw_update(frontend *fe, int x, int y, int w, int h)
@ -179,6 +270,10 @@ void end_draw(frontend *fe)
{
SelectObject(fe->hdc_bm, fe->prevbm);
DeleteDC(fe->hdc_bm);
if (fe->clip) {
DeleteObject(fe->clip);
fe->clip = NULL;
}
}
void deactivate_timer(frontend *fe)