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toggle frame, show label

This commit is contained in:
nothings.org 2007-06-27 19:42:35 +00:00
parent 81a01c806f
commit 56195061fd
2 changed files with 126 additions and 19 deletions
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136
imv.c
View File

@ -382,26 +382,27 @@ void make_image(Image *z, int image_x, int image_y, uint8 *image_data, int image
}
}
int extra_border = TRUE;
void frame(Image *z)
{
int i;
z->frame = FRAME;
memset(z->pixels, 0, FRAME*z->stride);
memset(z->pixels + z->stride*(z->y-FRAME), 0, FRAME*z->stride);
#ifdef GREY
if (extra_border) {
memset(z->pixels + z->stride*FRAME2 + FRAME2*BPP, GREY, (z->x-FRAME2*2)*BPP);
memset(z->pixels + z->stride*(z->y-FRAME2-1) + FRAME2*BPP, GREY, (z->x-FRAME2*2)*BPP);
#endif
}
for (i=FRAME; i < z->y-FRAME; ++i) {
memset(z->pixels + i*z->stride, 0, FRAME*BPP);
memset(z->pixels + i*z->stride + (z->x-FRAME)*BPP, 0, FRAME*BPP);
}
#ifdef GREY
if (extra_border) {
for (i=2; i < z->y-2; ++i) {
memset(z->pixels + i*z->stride+FRAME2*BPP, GREY, BPP);
memset(z->pixels + i*z->stride + (z->x-FRAME2-1)*BPP, GREY, BPP);
}
#endif
}
}
void imfree(Image *x)
@ -429,11 +430,14 @@ char *cur_filename;
int show_help=0;
char helptext_center[128] =
"imv(stb) version "
"imv(stb)\n"
"Copyright 2007 Sean Barret\n"
"http://code.google.com/p/stb-imv\n"
"version "
;
char helptext_left[] =
"\n\n"
"\n\n\n\n"
"ESC: exit\n"
"ALT-ENTER: toggle size\n"
"CTRL-PLUS: zoom in\n"
@ -441,15 +445,20 @@ char helptext_left[] =
"LEFT, SPACE: next image\n"
"RIGHT, BACKSPACE: previous image\n"
"CTRL-O: open image\n"
"F1, H: help"
"F: toggle frame\n"
"SHIFT-F: toggle white stripe in frame\n"
"CTRL-F: toggle both\n"
"L: toggle filename label\n"
"F1, H, ?: help"
;
char helptext_right[] =
"\n\n"
"\n\n\n\n\n"
"right-click to exit\n"
"left drag center to move\n"
"left drag edges to resize\n"
"double-click to toggle size\n"
"mousewheel to zoom\n"
"\n"
;
@ -486,6 +495,9 @@ void set_error(volatile ImageFile *z)
source = NULL;
}
HFONT label_font;
int show_frame = TRUE;
int show_label = FALSE;
void display(HWND win, HDC hdc)
{
RECT rect,r2;
@ -517,6 +529,25 @@ void display(HWND win, HDC hdc)
r2.right = x+cur->x;
r2.top = y + cur->y; FillRect(hdc, &r2, b);
if (show_label) {
SIZE size;
RECT z;
HFONT old = NULL;
char *name = cur_filename ? cur_filename : "(none)";
if (label_font) old = SelectObject(hdc, label_font);
GetTextExtentPoint32(hdc, name, strlen(name), &size);
z.left = rect.left+1;
z.bottom = rect.bottom+1;
z.top = z.bottom - size.cy - 4;
z.right = z.left + size.cx + 10;
FillRect(hdc, &z, b);
z.bottom -= 2;
SetTextColor(hdc, RGB(255,255,255));
DrawText(hdc, name, -1, &z, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
if (old) SelectObject(hdc, old);
}
if (show_help) {
int h2;
RECT box = rect;
@ -527,9 +558,9 @@ void display(HWND win, HDC hdc)
box.top = stb_max((h - h2) >> 1, 0);
box.bottom = box.top + h2;
draw_nice(hdc, helptext_center, &box, DT_CENTER);
box.left -= 120; box.right -= 120;
box.left -= 150; box.right -= 150;
draw_nice(hdc, helptext_left, &box, DT_CENTER);
box.left += 240; box.right += 240;
box.left += 300; box.right += 300;
draw_nice(hdc, helptext_right, &box, DT_CENTER);
}
}
@ -624,6 +655,8 @@ void enqueue_resize(int left, int top, int width, int height)
{
if (cur && ((width == cur->x && height >= cur->y) || (height == cur->y && width >= cur->x))) {
// no resize necessary, just a variant of the current shape
if (!show_frame)
left += FRAME, top += FRAME, width -= 2*FRAME, height -= 2*FRAME;
MoveWindow(win, left, top, width, height, TRUE);
InvalidateRect(win, NULL, FALSE);
} else {
@ -634,6 +667,19 @@ void enqueue_resize(int left, int top, int width, int height)
}
}
// do all operations _as if_ we had the frame
void GetAdjustedWindowRect(HWND win, RECT *rect)
{
GetWindowRect(win, rect);
if (!show_frame) {
rect->left -= FRAME;
rect->top -= FRAME;
rect->right += FRAME;
rect->bottom += FRAME;
}
}
void ideal_window_size(int w, int h, int *w_ideal, int *h_ideal, int *x, int *y);
enum
@ -661,7 +707,7 @@ void size_to_current(int maximize)
cx = GetSystemMetrics(SM_CXSCREEN);
cy = GetSystemMetrics(SM_CYSCREEN);
if (w <= cx && h <= cy) {
GetWindowRect(win, &rect);
GetAdjustedWindowRect(win, &rect);
x = (rect.right + rect.left - w) >> 1;
y = (rect.top + rect.bottom - h) >> 1;
x = stb_clamp(x,0,cx-w);
@ -676,7 +722,7 @@ void size_to_current(int maximize)
h = GetSystemMetrics(SM_CYSCREEN) + FRAME*2;
} else {
RECT rect;
GetWindowRect(win, &rect);
GetAdjustedWindowRect(win, &rect);
x = rect.left;
y = rect.top;
w = rect.right - rect.left;
@ -701,6 +747,7 @@ void size_to_current(int maximize)
p += z->x*BPP;
}
}
if (!show_frame) x+=FRAME,y+=FRAME,w-=FRAME*2,h-=FRAME*2;
MoveWindow(win, x,y,w,h, TRUE);
InvalidateRect(win, NULL, FALSE);
} else {
@ -711,6 +758,25 @@ void size_to_current(int maximize)
}
}
void toggle_frame(void)
{
RECT rect;
show_frame = !show_frame;
GetWindowRect(win, &rect);
if (show_frame) {
rect.left -= FRAME;
rect.right += FRAME;
rect.top -= FRAME;
rect.bottom += FRAME;
} else {
rect.left += FRAME;
rect.right -= FRAME;
rect.top += FRAME;
rect.bottom -= FRAME;
}
SetWindowPos(win, NULL, rect.left, rect.top, rect.right-rect.left, rect.bottom-rect.top, SWP_NOCOPYBITS|SWP_NOOWNERZORDER);
}
void update_source(ImageFile *q)
{
Image *z = q->image;
@ -1013,7 +1079,7 @@ void resize(int step)
} while (x2 == cur->x || y2 == cur->y);
} else {
RECT rect;
GetWindowRect(win, &rect);
GetAdjustedWindowRect(win, &rect);
x2 = rect.right - rect.left;
y2 = rect.bottom - rect.top;
if (step > 0 && x2 <= 1200 && y2 <= 1024)
@ -1025,7 +1091,7 @@ void resize(int step)
{
RECT rect;
GetWindowRect(win, &rect);
GetAdjustedWindowRect(win, &rect);
x = (rect.left + rect.right)>>1;
y = (rect.top + rect.bottom)>>1;
x -= x2>>1;
@ -1113,7 +1179,7 @@ void mouse(UINT ev, int x, int y)
else
setmode(MODE_drag);
SetCapture(win);
GetWindowRect(win, &rect);
GetAdjustedWindowRect(win, &rect);
ex = x;
ey = y;
ex2 = x - (rect.right-rect.left);
@ -1134,7 +1200,7 @@ void mouse(UINT ev, int x, int y)
}
case MODE_resize: {
RECT rect;
GetWindowRect(win, &rect);
GetAdjustedWindowRect(win, &rect);
assert(rx || ry);
display_mode = DISPLAY_current;
@ -1276,6 +1342,11 @@ int WINAPI MainWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
advance(-1);
break;
case 'l': case 'L':
show_label = !show_label;
InvalidateRect(win, NULL, FALSE);
break;
default:
return 1;
}
@ -1307,6 +1378,22 @@ int WINAPI MainWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
InvalidateRect(win, NULL, FALSE);
break;
case 'F' | MY_SHIFT:
extra_border = !extra_border;
if (cur) frame(cur);
InvalidateRect(win, NULL, FALSE);
break;
case 'F':
toggle_frame();
break;
case 'F' | MY_CTRL:
toggle_frame();
extra_border = show_frame;
if (cur) frame(cur);
break;
case MY_CTRL | VK_OEM_PLUS:
case MY_CTRL | MY_SHIFT | VK_OEM_PLUS:
resize(1);
@ -1436,6 +1523,17 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
if (!RegisterClassEx(&wndclass))
return FALSE;
{
LOGFONT lf;
memset(&lf, 0, sizeof(lf));
lf.lfHeight = 12;
lf.lfOutPrecision = OUT_TT_PRECIS; // prefer truetype to raster fonts
strcpy(lf.lfFaceName, "Times New Roman");
label_font = CreateFontIndirect(&lf);
}
if (argc < 1) {
OPENFILENAME o;
memset(&o, 0, sizeof(o));
@ -1554,6 +1652,12 @@ o(("Finished resize\n"));
display_error[0] = 0;
cur_filename = pending_resize.filename;
pending_resize.filename = NULL;
if (!show_frame) {
pending_resize.size.x += FRAME;
pending_resize.size.y += FRAME;
pending_resize.size.w -= FRAME*2;
pending_resize.size.h -= FRAME*2;
}
SetWindowPos(hWnd,NULL,pending_resize.size.x, pending_resize.size.y, pending_resize.size.w, pending_resize.size.h, SWP_NOZORDER);
barrier();
pending_resize.size.w = 0;

3
notes.txt
View File

@ -1,4 +1,7 @@
Version 0.55 [todo]
* feature: toggle filename label
* feature: toggle entire border
* feature: toggle white stripe in border
* bugfix: display error message for files that don't load
Version 0.54 (2007-06-26)