diff options
Diffstat (limited to 'xrdp/xrdp_bitmap.c')
| -rw-r--r-- | xrdp/xrdp_bitmap.c | 479 |
1 files changed, 479 insertions, 0 deletions
diff --git a/xrdp/xrdp_bitmap.c b/xrdp/xrdp_bitmap.c new file mode 100644 index 00000000..2f965a2f --- /dev/null +++ b/xrdp/xrdp_bitmap.c @@ -0,0 +1,479 @@ + +/* + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + Copyright (C) Jay Sorg 2004 + + bitmap, drawable + +*/ + +#include "xrdp.h" + +/*****************************************************************************/ +struct xrdp_bitmap* xrdp_bitmap_create(int width, int height, int bpp, + int type) +{ + struct xrdp_bitmap* self; + int Bpp; + + self = (struct xrdp_bitmap*)g_malloc(sizeof(struct xrdp_bitmap), 1); + self->type = type; + self->width = width; + self->height = height; + self->bpp = bpp; + Bpp = 4; + switch (bpp) + { + case 8: Bpp = 1; break; + case 15: Bpp = 2; break; + case 16: Bpp = 2; break; + } + self->data = (char*)g_malloc(width * height * Bpp, 1); + self->child_list = xrdp_list_create(); + self->line_size = ((width + 3) & ~3) * Bpp; + return self; +} + +/*****************************************************************************/ +void xrdp_bitmap_delete(struct xrdp_bitmap* self) +{ + int i; + + if (self == 0) + return; + if (self->wm != 0) + { + if (self->wm->focused_window == self) + self->wm->focused_window = 0; + if (self->wm->dragging_window == self) + self->wm->dragging_window = 0; + if (self->wm->button_down == self) + self->wm->button_down = 0; + } + for (i = 0; i < self->child_list->count; i++) + xrdp_bitmap_delete((struct xrdp_bitmap*)self->child_list->items[i]); + xrdp_list_delete(self->child_list); + g_free(self->data); + g_free(self); +} + +/*****************************************************************************/ +int xrdp_bitmap_set_focus(struct xrdp_bitmap* self, int focused) +{ + struct xrdp_painter* painter; + + if (self == 0) + return 0; + if (self->type != 1) + return 0; + self->focused = focused; + painter = xrdp_painter_create(self->wm); + xrdp_painter_begin_update(painter); + if (focused) + { + /* active title bar */ + painter->fg_color = self->wm->blue; + xrdp_painter_fill_rect(painter, self, 3, 3, self->width - 5, 18); + } + else + { + /* inactive title bar */ + painter->fg_color = self->wm->dark_grey; + xrdp_painter_fill_rect(painter, self, 3, 3, self->width - 5, 18); + } + DEBUG(("1\n\r")); + xrdp_painter_end_update(painter); + DEBUG(("2\n\r")); + xrdp_painter_delete(painter); + DEBUG(("3\n\r")); + return 0; +} + +/*****************************************************************************/ +int xrdp_bitmap_get_index(struct xrdp_bitmap* self, int* palette, int color) +{ + int i; + + for (i = 0; i < 256; i++) + { + if (color == palette[i]) + return i; + } + for (i = 1; i < 256; i++) + { + if (palette[i] == 0) + { + palette[i] = color; + return i; + } + } + g_printf("color %8.8x not found\n", color); + return 255; +} + +/*****************************************************************************/ +int xrdp_bitmap_resize(struct xrdp_bitmap* self, int width, int height) +{ + int Bpp; + + g_free(self->data); + self->width = width; + self->height = height; + Bpp = 4; + switch (self->bpp) + { + case 8: Bpp = 1; break; + case 15: Bpp = 2; break; + case 16: Bpp = 2; break; + } + self->data = (char*)g_malloc(width * height * Bpp, 1); + self->line_size = ((width + 3) & ~3) * Bpp; + return 0; +} + +/*****************************************************************************/ +/* load a bmp file */ +/* return 0 ok */ +/* return 1 error */ +int xrdp_bitmap_load(struct xrdp_bitmap* self, char* filename, int* palette) +{ + int fd; + int i; + int j; + int k; + int color; + int size; + int palette1[256]; + char type1[3]; + char* data; + struct xrdp_bmp_header header; + + fd = g_file_open(filename); + if (fd != -1) + { + /* read file type */ + if (g_file_read(fd, type1, 2) != 2) + { + g_file_close(fd); + return 1; + } + if (type1[0] != 'B' || type1[1] != 'M') + { + g_file_close(fd); + return 1; + } + /* read file size */ + size = 0; + g_file_read(fd, (char*)&size, 4); + /* read bmp header */ + g_file_seek(fd, 14); + g_file_read(fd, (char*)&header, sizeof(header)); + if (header.bit_count != 8 && header.bit_count != 24) + { + g_file_close(fd); + return 1; + } + if (header.bit_count == 24) /* 24 bit bitmap */ + { + g_file_seek(fd, 14 + header.size); + } + if (header.bit_count == 8) /* 8 bit bitmap */ + { + /* read palette */ + g_file_seek(fd, 14 + header.size); + g_file_read(fd, (char*)palette1, 256 * sizeof(int)); + /* read data */ + xrdp_bitmap_resize(self, header.image_width, header.image_height); + data = (char*)g_malloc(header.image_width * header.image_height, 1); + for (i = header.image_height - 1; i >= 0; i--) + g_file_read(fd, data + i * header.image_width, header.image_width); + for (i = 0; i < self->height; i++) + { + for (j = 0; j < self->width; j++) + { + k = (unsigned char)data[i * header.image_width + j]; + color = palette1[k]; + if (self->bpp == 8) + color = xrdp_bitmap_get_index(self, palette, color); + else if (self->bpp == 15) + color = xrdp_wm_color15((color & 0xff0000) >> 16, + (color & 0x00ff00) >> 8, + (color & 0x0000ff) >> 0); + else if (self->bpp == 16) + color = xrdp_wm_color16((color & 0xff0000) >> 16, + (color & 0x00ff00) >> 8, + (color & 0x0000ff) >> 0); + else if (self->bpp == 24) + color = xrdp_wm_color24((color & 0xff0000) >> 16, + (color & 0x00ff00) >> 8, + (color & 0x0000ff) >> 0); + xrdp_bitmap_set_pixel(self, j, i, color); + } + } + g_free(data); + } + g_file_close(fd); + } + return 0; +} + +/*****************************************************************************/ +int xrdp_bitmap_get_pixel(struct xrdp_bitmap* self, int x, int y) +{ + if (self == 0) + return 0; + if (self->data == 0) + return 0; + if (x >= 0 && x < self->width && y >= 0 && y < self->height) + { + if (self->bpp == 8) + return self->data[y * self->width + x]; + else if (self->bpp == 15 || self->bpp == 16) + return ((short*)self->data)[y * self->width + x]; + else if (self->bpp == 24) + return ((int*)self->data)[y * self->width + x]; + } + return 0; +} + +/*****************************************************************************/ +int xrdp_bitmap_set_pixel(struct xrdp_bitmap* self, int x, int y, int pixel) +{ + if (x >= 0 && x < self->width && y >= 0 && y < self->height) + { + if (self->bpp == 8) + self->data[y * self->width + x] = pixel; + else if (self->bpp == 15 || self->bpp == 16) + ((short*)(self->data))[y * self->width + x] = pixel; + else if (self->bpp == 24) + ((int*)(self->data))[y * self->width + x] = pixel; + } + return 0; +} + +/*****************************************************************************/ +int xrdp_bitmap_copy_box(struct xrdp_bitmap* self, struct xrdp_bitmap* dest, + int x, int y, int cx, int cy) +{ + int i; + int j; + + if (self == 0) + return 0; + if (dest == 0) + return 0; + if (self->bpp != dest->bpp) + return 0; + for (i = 0; i < cy; i++) + { + for (j = 0; j < cx; j++) + { + xrdp_bitmap_set_pixel(dest, j, i, + xrdp_bitmap_get_pixel(self, j + x, i + y)); + } + } + return 0; +} + +/*****************************************************************************/ +int xrdp_bitmap_compare(struct xrdp_bitmap* self, struct xrdp_bitmap* b) +{ + if (self == 0) + return 0; + if (b == 0) + return 0; + if (self->bpp != b->bpp) + return 0; + if (self->width != b->width) + return 0; + if (self->height != b->height) + return 0; + if (g_memcmp(self->data, b->data, b->height * b->line_size) == 0) + return 1; + return 0; +} + +/*****************************************************************************/ +/* nil for rect means the whole thing */ +int xrdp_bitmap_invalidate(struct xrdp_bitmap* self, struct xrdp_rect* rect) +{ + int i; + struct xrdp_bitmap* b; + struct xrdp_rect r1; + struct xrdp_rect r2; + struct xrdp_painter* painter; + + if (self == 0) /* if no bitmap */ + return 0; + if (self->type == 0) /* if bitmap, leave */ + return 0; + painter = xrdp_painter_create(self->wm); + painter->rop = 0xcc; /* copy */ + if (rect == 0) + painter->use_clip = 0; + else + { + if (xrdp_wm_rect_is_empty(rect)) + { + xrdp_painter_delete(painter); + return 0; + } + painter->clip = *rect; + painter->use_clip = 1; + } + xrdp_painter_begin_update(painter); + if (self->type == 1) /* normal window */ + { + /* draw grey background */ + painter->fg_color = self->bg_color; + xrdp_painter_fill_rect(painter, self, 0, 0, self->width, self->height); + /* top white line */ + painter->fg_color = self->wm->white; + xrdp_painter_fill_rect(painter, self, 1, 1, self->width - 2, 1); + /* left white line */ + painter->fg_color = self->wm->white; + xrdp_painter_fill_rect(painter, self, 1, 1, 1, self->height - 2); + /* bottom dark grey line */ + painter->fg_color = self->wm->dark_grey; + xrdp_painter_fill_rect(painter, self, 1, self->height - 2, + self->width - 2, 1); + /* right dark grey line */ + painter->fg_color = self->wm->dark_grey; + xrdp_painter_fill_rect(painter, self, self->width - 2, 1, 1, + self->height - 2); + /* bottom black line */ + painter->fg_color = self->wm->black; + xrdp_painter_fill_rect(painter, self, 0, self->height - 1, + self->width, 1); + /* right black line */ + painter->fg_color = self->wm->black; + xrdp_painter_fill_rect(painter, self, self->width - 1, 0, + 1, self->height); + if (self->focused) + { + /* active title bar */ + painter->fg_color = self->wm->blue; + xrdp_painter_fill_rect(painter, self, 3, 3, self->width - 5, 18); + } + else + { + /* inactive title bar */ + painter->fg_color = self->wm->dark_grey; + xrdp_painter_fill_rect(painter, self, 3, 3, self->width - 5, 18); + } + } + else if (self->type == 2) /* screen */ + { + painter->fg_color = self->bg_color; + xrdp_painter_fill_rect(painter, self, 0, 0, self->width, self->height); + } + else if (self->type == 3) /* button */ + { + if (self->state == 0) /* button up */ + { + /* gray box */ + painter->fg_color = self->wm->grey; + xrdp_painter_fill_rect(painter, self, 0, 0, self->width, self->height); + /* white top line */ + painter->fg_color = self->wm->white; + xrdp_painter_fill_rect(painter, self, 0, 0, self->width, 1); + /* white left line */ + painter->fg_color = self->wm->white; + xrdp_painter_fill_rect(painter, self, 0, 0, 1, self->height); + /* dark grey bottom line */ + painter->fg_color = self->wm->dark_grey; + xrdp_painter_fill_rect(painter, self, 1, self->height - 2, + self->width - 1, 1); + /* dark grey right line */ + painter->fg_color = self->wm->dark_grey; + xrdp_painter_fill_rect(painter, self, self->width - 2, 1, + 1, self->height - 1); + /* black bottom line */ + painter->fg_color = self->wm->black; + xrdp_painter_fill_rect(painter, self, 0, self->height - 1, self->width, 1); + /* black right line */ + painter->fg_color = self->wm->black; + xrdp_painter_fill_rect(painter, self, self->width - 1, 0, 1, self->height); + } + else if (self->state == 1) /* button down */ + { + /* black top line */ + painter->fg_color = self->wm->black; + xrdp_painter_fill_rect(painter, self, 0, 0, self->width, 1); + /* black left line */ + painter->fg_color = self->wm->black; + xrdp_painter_fill_rect(painter, self, 0, 0, 1, self->height); + /* dark grey top line */ + painter->fg_color = self->wm->dark_grey; + xrdp_painter_fill_rect(painter, self, 1, 1, self->width - 2, 1); + /* dark grey left line */ + painter->fg_color = self->wm->dark_grey; + xrdp_painter_fill_rect(painter, self, 1, 1, 1, self->height - 2); + } + } + else if (self->type == 4) /* image */ + { + xrdp_painter_draw_bitmap(painter, self, self, 0, 0, self->width, + self->height); + } + else if (self->type == 5) /* edit */ + { + /* draw gray box */ + painter->fg_color = self->wm->grey; + xrdp_painter_fill_rect(painter, self, 0, 0, self->width, self->height); + /* main white background */ + painter->fg_color = self->wm->white; + xrdp_painter_fill_rect(painter, self, 1, 1, self->width - 3, + self->height - 3); + /* dark grey top line */ + painter->fg_color = self->wm->dark_grey; + xrdp_painter_fill_rect(painter, self, 0, 0, self->width, 1); + /* dark grey left line */ + painter->fg_color = self->wm->dark_grey; + xrdp_painter_fill_rect(painter, self, 0, 0, 1, self->height); + /* white bottom line */ + painter->fg_color = self->wm->white; + xrdp_painter_fill_rect(painter, self, 0, self->height- 1, self->width, 1); + /* white right line */ + painter->fg_color = self->wm->white; + xrdp_painter_fill_rect(painter, self, self->width - 1, 0, 1, self->height); + /* black left line */ + painter->fg_color = self->wm->black; + xrdp_painter_fill_rect(painter, self, 1, 1, 1, self->height - 2); + /* black top line */ + painter->fg_color = self->wm->black; + xrdp_painter_fill_rect(painter, self, 1, 1, self->width - 2, 1); + } + /* draw any child windows in the area */ + for (i = 0; i < self->child_list->count; i++) + { + b = (struct xrdp_bitmap*)xrdp_list_get_item(self->child_list, i); + if (rect == 0) + xrdp_bitmap_invalidate(b, 0); + else + { + xrdp_wm_rect(&r1, b->left, b->top, b->width, b->height); + if (xrdp_wm_rect_intersect(rect, &r1, &r2)) + { + xrdp_wm_rect_offset(&r2, -(b->left), -(b->top)); + xrdp_bitmap_invalidate(b, &r2); + } + } + } + xrdp_painter_end_update(painter); + xrdp_painter_delete(painter); + return 0; +} |