NK_LIB void
nk_draw_scrollbar(struct nk_command_buffer *out, nk_flags state,
const struct nk_style_scrollbar *style, const struct nk_rect *bounds,
const struct nk_rect *scroll)
{
const struct nk_style_item *background;
const struct nk_style_item *cursor;
/* select correct colors/images to draw */
if (state & NK_WIDGET_STATE_ACTIVED) {
background = &style->active;
cursor = &style->cursor_active;
} else if (state & NK_WIDGET_STATE_HOVER) {
background = &style->hover;
cursor = &style->cursor_hover;
} else {
background = &style->normal;
cursor = &style->cursor_normal;
}
/* draw background */
if (background->type == NK_STYLE_ITEM_COLOR) {
nk_fill_rect(out, *bounds, style->rounding, background->data.color);
nk_stroke_rect(out, *bounds, style->rounding, style->border, style->border_color);
} else {
nk_draw_image(out, *bounds, &background->data.image, nk_white);
}
/* draw cursor */
if (cursor->type == NK_STYLE_ITEM_COLOR) {
nk_fill_rect(out, *scroll, style->rounding_cursor, cursor->data.color);
nk_stroke_rect(out, *scroll, style->rounding_cursor, style->border_cursor, style->cursor_border_color);
} else nk_draw_image(out, *scroll, &cursor->data.image, nk_white);
}
int main(int argc, char *argv[]) {
/* register callbacks */
mpx_register_vc(&this_vc);
/* GUI */
static struct nk_context ctx;
static struct nk_canvas canvas;
uint32_t width = 0,
height = 0;
static struct nk_user_font font;
font.userdata.ptr = &width;
font.height = font_vga_8x16.height;
font.width = your_text_width_calculation;
nk_init_default(&ctx, &font);
width = this_vc.fb->var.xres;
height = this_vc.fb->var.yres;
/* Draw */
while (1)
{
/* what to draw */
canvas_begin(&ctx, &canvas, 0, 0, 0, width, height, nk_rgb(100,100,100));
{
canvas.painter->use_clipping = NK_CLIPPING_OFF;
nk_fill_rect(canvas.painter, nk_rect(15,15,140,140), 5, nk_rgb(247, 230, 154));
nk_fill_rect(canvas.painter, nk_rect(20,20,135,135), 5, nk_rgb(188, 174, 118));
nk_draw_text(canvas.painter, nk_rect(30, 30, 100, 20), "Text to draw", 12, &font, nk_rgb(188,174,118), nk_rgb(0,0,0));
nk_fill_rect(canvas.painter, nk_rect(160,20,70,70), 0, nk_rgb(0,0,255));
nk_fill_circle(canvas.painter, nk_rect(20,160,60,60), nk_rgb(255,0,0));
nk_fill_triangle(canvas.painter, 160, 160, 230, 160, 195, 220, nk_rgb(0,255,0));
nk_fill_arc(canvas.painter, 195, 120, 30, 0, 3.141592654f * 3.0f / 4.0f, nk_rgb(255,255,0));
nk_stroke_line(canvas.painter, 15, 10, 100, 10, 2.0f, nk_rgb(189,45,75));
nk_stroke_rect(canvas.painter, nk_rect(235, 20, 70, 70), 10, 3, nk_rgb(0,0,255));
nk_stroke_curve(canvas.painter, 235, 130, 252, 170, 288, 80, 305, 130, 1, nk_rgb(0,150,220));
nk_stroke_triangle(canvas.painter, 235, 160, 305, 160, 270, 220, 10, nk_rgb(255,0,143));
nk_stroke_circle(canvas.painter, nk_rect(90, 160, 60, 60), 2, nk_rgb(0,255,120));
/* load some image */
// uint32_t im_w, im_h, im_format;
// images[0] = stbi_load("SPBGU_logo.png", &im_w, &im_h, &im_format, 0);
// if (images[0] == NULL)
// printf("\nstbi_load doesn't work. :(\n");
// else {
// printf("\nLoaded image: id = %i width = %i\theight = %i\tformat = %i", (int)*images[0], im_w, im_h, im_format);
struct nk_image im;
im.handle.ptr = "SPBGU_logo.png";
im.handle.id = 0;
im.w = 0;
im.h = 0;
im.region[0] = 0;
im.region[1] = 0;
im.region[2] = 267;
im.region[3] = 333;
nk_draw_image(canvas.painter, nk_rect(320, 10, 130, 150), &im, nk_rgb(100, 0, 0));
// }
// stbi_image_free(images[0]);
}
canvas_end(&ctx, &canvas);
/* Draw each element */
draw(&this_vc, &ctx, width, height);
}
nk_free(&ctx);
printf("\nEnd of program.\nIf you see it then something goes wrong.\n");
return 0;
}
NK_API int
nk_combo_begin_image_text(struct nk_context *ctx, const char *selected, int len,
struct nk_image img, struct nk_vec2 size)
{
struct nk_window *win;
struct nk_style *style;
struct nk_input *in;
struct nk_rect header;
int is_clicked = nk_false;
enum nk_widget_layout_states s;
const struct nk_style_item *background;
struct nk_text text;
NK_ASSERT(ctx);
NK_ASSERT(ctx->current);
NK_ASSERT(ctx->current->layout);
if (!ctx || !ctx->current || !ctx->current->layout)
return 0;
win = ctx->current;
style = &ctx->style;
s = nk_widget(&header, ctx);
if (!s) return 0;
in = (win->layout->flags & NK_WINDOW_ROM || s == NK_WIDGET_ROM)? 0: &ctx->input;
if (nk_button_behavior(&ctx->last_widget_state, header, in, NK_BUTTON_DEFAULT))
is_clicked = nk_true;
/* draw combo box header background and border */
if (ctx->last_widget_state & NK_WIDGET_STATE_ACTIVED) {
background = &style->combo.active;
text.text = style->combo.label_active;
} else if (ctx->last_widget_state & NK_WIDGET_STATE_HOVER) {
background = &style->combo.hover;
text.text = style->combo.label_hover;
} else {
background = &style->combo.normal;
text.text = style->combo.label_normal;
}
if (background->type == NK_STYLE_ITEM_IMAGE) {
text.background = nk_rgba(0,0,0,0);
nk_draw_image(&win->buffer, header, &background->data.image, nk_white);
} else {
text.background = background->data.color;
nk_fill_rect(&win->buffer, header, style->combo.rounding, background->data.color);
nk_stroke_rect(&win->buffer, header, style->combo.rounding, style->combo.border, style->combo.border_color);
}
{
struct nk_rect content;
struct nk_rect button;
struct nk_rect label;
struct nk_rect image;
enum nk_symbol_type sym;
if (ctx->last_widget_state & NK_WIDGET_STATE_HOVER)
sym = style->combo.sym_hover;
else if (is_clicked)
sym = style->combo.sym_active;
else sym = style->combo.sym_normal;
/* calculate button */
button.w = header.h - 2 * style->combo.button_padding.y;
button.x = (header.x + header.w - header.h) - style->combo.button_padding.x;
button.y = header.y + style->combo.button_padding.y;
button.h = button.w;
content.x = button.x + style->combo.button.padding.x;
content.y = button.y + style->combo.button.padding.y;
content.w = button.w - 2 * style->combo.button.padding.x;
content.h = button.h - 2 * style->combo.button.padding.y;
nk_draw_button_symbol(&win->buffer, &button, &content, ctx->last_widget_state,
&ctx->style.combo.button, sym, style->font);
/* draw image */
image.x = header.x + style->combo.content_padding.x;
image.y = header.y + style->combo.content_padding.y;
image.h = header.h - 2 * style->combo.content_padding.y;
image.w = image.h;
nk_draw_image(&win->buffer, image, &img, nk_white);
/* draw label */
text.padding = nk_vec2(0,0);
label.x = image.x + image.w + style->combo.spacing.x + style->combo.content_padding.x;
label.y = header.y + style->combo.content_padding.y;
label.w = (button.x - style->combo.content_padding.x) - label.x;
label.h = header.h - 2 * style->combo.content_padding.y;
nk_widget_text(&win->buffer, label, selected, len, &text, NK_TEXT_LEFT, style->font);
}
return nk_combo_begin(ctx, win, size, is_clicked, header);
}
int main(int argc, char** argv)
{
if (argc > 2)
message_and_abort_fmt("Usage: %s [filename]", argv[0]);
Render::RenderSettings renderSettings;
renderSettings.windowWidth = 800;
renderSettings.windowHeight = 600;
renderSettings.fullscreen = false;
NuklearMisc::StandaloneGuiHandler guiHandler("Cel Viewer", renderSettings);
nk_context* ctx = guiHandler.getNuklearContext();
Settings::Settings settings;
settings.loadFromFile("resources/celview.ini");
bool faioInitDone = false;
std::string listFile = settings.get<std::string>("celview", "listFile", "Diablo I.txt");
std::string mpqFile = settings.get<std::string>("celview", "mpqFile", "DIABDAT.MPQ");
std::vector<std::string> celFiles;
std::string selectedImage = "";
std::unique_ptr<NuklearMisc::GuiSprite> image;
std::unique_ptr<NuklearMisc::GuiSprite> nextImage;
int animate = false;
int32_t frame = 0;
float rowHeight = 30;
auto lastFrame = std::chrono::high_resolution_clock::now();
bool quit = false;
while (!quit)
{
auto now = std::chrono::high_resolution_clock::now();
if (nextImage)
image = std::unique_ptr<NuklearMisc::GuiSprite>(nextImage.release());
renderSettings = Render::getWindowSize();
if (nk_begin(ctx, "main_window", nk_rect(0, 0, renderSettings.windowWidth, renderSettings.windowHeight), NK_WINDOW_NO_SCROLLBAR))
{
struct nk_rect bounds = nk_window_get_content_region(ctx);
nk_layout_row_dynamic(ctx, bounds.h, 2);
if (nk_group_begin(ctx, "image", 0))
{
nk_layout_row_dynamic(ctx, rowHeight, 1);
std::string label = selectedImage;
if (selectedImage == "")
label = "No image selected";
nk_label(ctx, label.c_str(), NK_TEXT_CENTERED);
nk_checkbox_label(ctx, "Animate", &animate);
if (image)
{
nk_label(ctx, (boost::format("Number of Frames: %1%") % image.get()->getSprite()->size()).str().c_str(), NK_TEXT_LEFT);
nk_label(ctx, (boost::format("Width: %1%") % image->getSprite()->getWidth()).str().c_str(), NK_TEXT_LEFT);
nk_label(ctx, (boost::format("Height: %1%") % image->getSprite()->getHeight()).str().c_str(), NK_TEXT_LEFT);
frame = nk_propertyi(ctx, "Frame", 0, frame, image->getSprite()->size(), 1, 0.2f);
if (nk_button_label(ctx, "save as png"))
{
nfdchar_t* outPath = NULL;
nfdresult_t result = NFD_SaveDialog("png", NULL, &outPath);
if (result == NFD_OKAY)
{
Render::SpriteGroup::toPng(selectedImage, outPath);
free(outPath);
}
}
if (nk_button_label(ctx, "save as gif"))
{
nfdchar_t* outPath = NULL;
nfdresult_t result = NFD_SaveDialog("gif", NULL, &outPath);
if (result == NFD_OKAY)
{
Render::SpriteGroup::toGif(selectedImage, outPath);
free(outPath);
}
}
auto msSinceLastFrame = std::chrono::duration_cast<std::chrono::milliseconds>(now - lastFrame).count();
if (animate && msSinceLastFrame > 100)
{
lastFrame = now;
frame++;
}
if (frame >= (int32_t)image.get()->getSprite()->size())
frame = 0;
Render::Sprite sprite = image.get()->getSprite()->operator[](frame);
int32_t w, h;
Render::spriteSize(sprite, w, h);
nk_layout_space_begin(ctx, NK_STATIC, h, 1);
{
nk_layout_space_push(ctx, nk_rect(0, 0, w, h));
auto canvas = nk_window_get_canvas(ctx);
struct nk_rect imageRect;
nk_widget(&imageRect, ctx);
nk_fill_rect(canvas, imageRect, 0.0, nk_rgb(0, 255, 0));
auto img = image.get()->getNkImage(frame);
nk_draw_image(canvas, imageRect, &img, nk_rgb(255, 255, 255));
}
nk_layout_space_end(ctx);
}
nk_group_end(ctx);
}
if (nk_group_begin(ctx, "file list", 0))
{
if (!faioInitDone)
{
nk_layout_row_dynamic(ctx, rowHeight * 2, 1);
NuklearMisc::nk_file_pick(ctx, "DIABDAT.MPQ", mpqFile, "mpq,MPQ", rowHeight);
NuklearMisc::nk_file_pick(ctx, "Diablo listfile", listFile, "txt", rowHeight);
if (nk_button_label(ctx, "load"))
{
FAIO::init(mpqFile, listFile);
celFiles = FAIO::listMpqFiles("*.cel");
auto tmp = FAIO::listMpqFiles("*.cl2");
celFiles.insert(celFiles.end(), tmp.begin(), tmp.end());
std::sort(celFiles.begin(), celFiles.end());
settings.set<std::string>("celview", "listFile", listFile);
settings.set<std::string>("celview", "mpqFile", mpqFile);
settings.save();
faioInitDone = true;
if (argc > 1)
{
selectedImage = argv[1];
frame = 0;
nextImage = std::unique_ptr<NuklearMisc::GuiSprite>(guiHandler.getSprite(new Render::SpriteGroup(selectedImage)));
}
}
}
nk_layout_row_dynamic(ctx, rowHeight, 1);
for (size_t i = 0; i < celFiles.size(); i++)
{
auto buttonStyle = ctx->style.button;
if (selectedImage == celFiles[i])
buttonStyle.normal = buttonStyle.hover;
if (nk_button_label_styled(ctx, &buttonStyle, celFiles[i].c_str()))
{
selectedImage = celFiles[i];
frame = 0;
nextImage = std::unique_ptr<NuklearMisc::GuiSprite>(guiHandler.getSprite(new Render::SpriteGroup(selectedImage)));
}
}
nk_group_end(ctx);
}
}
nk_end(ctx);
quit = guiHandler.update();
}
FAIO::quit();
return 0;
}
NK_API int
nk_combo_begin_image(struct nk_context *ctx, struct nk_image img, struct nk_vec2 size)
{
struct nk_window *win;
struct nk_style *style;
const struct nk_input *in;
struct nk_rect header;
int is_clicked = nk_false;
enum nk_widget_layout_states s;
const struct nk_style_item *background;
NK_ASSERT(ctx);
NK_ASSERT(ctx->current);
NK_ASSERT(ctx->current->layout);
if (!ctx || !ctx->current || !ctx->current->layout)
return 0;
win = ctx->current;
style = &ctx->style;
s = nk_widget(&header, ctx);
if (s == NK_WIDGET_INVALID)
return 0;
in = (win->layout->flags & NK_WINDOW_ROM || s == NK_WIDGET_ROM)? 0: &ctx->input;
if (nk_button_behavior(&ctx->last_widget_state, header, in, NK_BUTTON_DEFAULT))
is_clicked = nk_true;
/* draw combo box header background and border */
if (ctx->last_widget_state & NK_WIDGET_STATE_ACTIVED)
background = &style->combo.active;
else if (ctx->last_widget_state & NK_WIDGET_STATE_HOVER)
background = &style->combo.hover;
else background = &style->combo.normal;
if (background->type == NK_STYLE_ITEM_IMAGE) {
nk_draw_image(&win->buffer, header, &background->data.image, nk_white);
} else {
nk_fill_rect(&win->buffer, header, style->combo.rounding, background->data.color);
nk_stroke_rect(&win->buffer, header, style->combo.rounding, style->combo.border, style->combo.border_color);
}
{
struct nk_rect bounds = {0,0,0,0};
struct nk_rect content;
struct nk_rect button;
enum nk_symbol_type sym;
if (ctx->last_widget_state & NK_WIDGET_STATE_HOVER)
sym = style->combo.sym_hover;
else if (is_clicked)
sym = style->combo.sym_active;
else sym = style->combo.sym_normal;
/* calculate button */
button.w = header.h - 2 * style->combo.button_padding.y;
button.x = (header.x + header.w - header.h) - style->combo.button_padding.y;
button.y = header.y + style->combo.button_padding.y;
button.h = button.w;
content.x = button.x + style->combo.button.padding.x;
content.y = button.y + style->combo.button.padding.y;
content.w = button.w - 2 * style->combo.button.padding.x;
content.h = button.h - 2 * style->combo.button.padding.y;
/* draw image */
bounds.h = header.h - 2 * style->combo.content_padding.y;
bounds.y = header.y + style->combo.content_padding.y;
bounds.x = header.x + style->combo.content_padding.x;
bounds.w = (button.x - style->combo.content_padding.y) - bounds.x;
nk_draw_image(&win->buffer, bounds, &img, nk_white);
/* draw open/close button */
nk_draw_button_symbol(&win->buffer, &bounds, &content, ctx->last_widget_state,
&ctx->style.combo.button, sym, style->font);
}
return nk_combo_begin(ctx, win, size, is_clicked, header);
}
